V/154/sdss16

Sloan Digital Sky Surveys (SDSS), Release 16 (DR16) (Ahumada+, 2020) ReadMe+ftp Data Release 16 (469,050,976 primary sources plus 325,277,739 secondary sources) (original column names in green) (1231051050 rows)

-c=006.817346 -00.044534, eq=ICRS, rs=2

Post annotation about this record

Note:

Column	Value		Explain   (UCD)
_r	0.001	arcsec	Distance from center (006.817346-00.044534)[ICRS], at Epoch of catalog (MJD) (pos.angDistance) (POS_ANG_DIST_GENERAL)
_RAJ2000	00 27 16.16536	"h:m:s"	Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra) (POS_EQ_RA)
_DEJ2000	-00 02 40.3099	"d:m:s"	Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_RAB1950	00 24 42.44147	"h:m:s"	Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra) (POS_EQ_RA)
_DEB1950	-00 19 16.0861	"d:m:s"	Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_Glon	109.84398434	deg	Galactic longitude at Epoch=J0. (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lon) (POS_GAL_LON)
_Glat	-62.30055514	deg	Galactic latitude at Epoch=J0. (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lat) (POS_GAL_LAT)
objID	1237678433254047965		(i) SDSS unique object identifier (1) (links to online SDSS-DR16 data) (Note)   (meta.id;meta.main) (ID_MAIN)
ra	006.817346	deg	(i) Right Ascension of the object (ICRS) at Epoch="MJD" (ra) (pos.eq.ra;meta.main) (POS_EQ_RA_MAIN)
dec	-00.044534	deg	(i) Declination of the object (ICRS) at Epoch="MJD" (dec) (pos.eq.dec;meta.main) (POS_EQ_DEC_MAIN)
fieldID	1237678433254047744		The field this object is in (meta.note) (ID_FIELD)
mode	2		[1/4] PhotoMode (1=primary, 2=secondary, 3=family, 4=outside) (meta.code.class) (CLASS_CODE)
type	6		[0/8] Type of object (3=galaxy, 6=star) (type) (Note 2)   (src.class) (CLASS_OBJECT)
clean	0		[0/1] Clean photometry flag (1=clean; 0=unclean) (meta.code) (CODE_MISC)
flags	68988043264		Photo Object Attribute flags (Note 3)   (meta.code.error) (CODE_MISC)
psfMag_u	20.161	mag	(i) [4/35] PSF magnitude in u band (psfMag_u) (Note 4)   (phot.mag;em.opt.U) (PHOT_SDSS_U)
psfMag_g	19.189	mag	[3.7/37] PSF magnitude in g band (psfMag_g) (Note 4)   (phot.mag;em.opt.B) (PHOT_SDSS_G)
psfMag_r	19.012	mag	[3.8/36] PSF magnitude in r band (psfMag_r) (Note 4)   (phot.mag;em.opt.R) (PHOT_SDSS_R)
psfMag_i	18.995	mag	[2.6/34] PSF magnitude in i band (psfMag_i) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_I)
psfMag_z	19.014	mag	[3.8/33.3] PSF magnitude in z band (psfMag_z) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_Z)
psfMagErr_u	0.044	mag	[1.5e-5/100] Mean error on upmag (psfMagErr_u) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_g	0.020	mag	Mean error on gpmag (psfMagErr_g) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_r	0.015	mag	Mean error on rpmag (psfMagErr_r) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_i	0.015	mag	Mean error on ipmag (psfMagErr_i) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_z	0.041	mag	Mean error on zpmag (psfMagErr_z) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMag_u	20.248	mag	[-0.4/47.2] Petrosian magnitude in u band (petroMag_u) (Note 4)   (phot.mag;em.opt.U) (PHOT_SDSS_U)
petroMag_g	19.164	mag	[3.7/48] Petrosian magnitude in g band (petroMag_g) (Note 4)   (phot.mag;em.opt.B) (PHOT_SDSS_G)
petroMag_r	19.053	mag	[1.3/48.6] Petrosian magnitude in r band (petroMag_r) (Note 4)   (phot.mag;em.opt.R) (PHOT_SDSS_R)
petroMag_i	19.084	mag	[2.6/48.4] Petrosian magnitude in i band (petroMag_i) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_I)
petroMag_z	19.086	mag	[-2.9/45.1] Petrosian magnitude in z band (petroMag_z) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_Z)
petroMagErr_u	0.071	mag	[1e-7/100] Mean error in uPmag (petroMagErr_u) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_g	0.013	mag	[9.1e-9/100] Mean error in gPmag (petroMagErr_g) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_r	0.016	mag	Mean error in rPmag (petroMagErr_r) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_i	0.024	mag	Mean error in iPmag (petroMagErr_i) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_z	0.084	mag	Mean error in zPmag (petroMagErr_z) (Note 4)   (stat.error;phot.mag) (ERROR)
petroRad_u	1.724	arcsec	[1.2e-6/261] Petrosian radius in u band (petroRad_u) (phys.angSize;src) (EXTENSION_RAD)
petroRad_g	1.648	arcsec	[2.3e-6/261] Petrosian radius in g band (petroRad_g) (phys.angSize;src) (EXTENSION_RAD)
petroRad_r	1.486	arcsec	[4.9e-6/260] Petrosian radius in r band (petroRad_r) (phys.angSize;src) (EXTENSION_RAD)
petroRad_i	1.335	arcsec	[2.2e-6/263] Petrosian radius in i band (petroRad_i) (phys.angSize;src) (EXTENSION_RAD)
petroRad_z	1.378	arcsec	[8.3e-7/261] Petrosian radius in z band (petroRad_z) (phys.angSize;src) (EXTENSION_RAD)
petroRadErr_u	0.155	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_u) (stat.error) (ERROR)
petroRadErr_g	0.027	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_g) (stat.error) (ERROR)
petroRadErr_r	0.037	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_r) (stat.error) (ERROR)
petroRadErr_i	0.041	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_i) (stat.error) (ERROR)
petroRadErr_z	1.600	arcsec	[-1000/257] Mean error in rPrad (petroRadErr_z) (stat.error) (ERROR)
deVRad_u	0.054	arcsec	[0/257] De Vaucouleurs fit radius u band (deVRad_u) (phys.angSize;src) (EXTENSION_RAD)
deVRad_g	0.136	arcsec	[0/238] De Vaucouleurs fit radius g band (deVRad_g) (phys.angSize;src) (EXTENSION_RAD)
deVRad_r	0.014	arcsec	[0/238] De Vaucouleurs fit radius r band (deVRad_r) (phys.angSize;src) (EXTENSION_RAD)
deVRad_i	0.000	arcsec	[0/232] De Vaucouleurs fit radius i band (deVRad_i) (phys.angSize;src) (EXTENSION_RAD)
deVRad_z	0.145	arcsec	[0/238] De Vaucouleurs fit radius z band (deVRad_z) (phys.angSize;src) (EXTENSION_RAD)
deVAB_u	0.303		[0.05/1] De Vaucouleurs fit b/a u band (deVAB_u) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_g	0.971		[0.05/1] De Vaucouleurs fit b/a g band (deVAB_g) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_r	0.966		[0.05/1] De Vaucouleurs fit b/a r band (deVAB_r) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_i	0.784		[0.05/1] De Vaucouleurs fit b/a i band (deVAB_i) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_z	0.108		[0.05/1] De Vaucouleurs fit b/a z band (deVAB_z) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVPhi_u	117.6	deg	[-10105/271] Position angle of dVrad in u band (deVPhi_u) (pos.posAng) (POS_POS-ANG)
deVPhi_g	59.8	deg	[-10105/271] Position angle of dVrad in g band (deVPhi_g) (pos.posAng) (POS_POS-ANG)
deVPhi_r	14.3	deg	[-10105/271] Position angle of dVrad in r band (deVPhi_r) (pos.posAng) (POS_POS-ANG)
deVPhi_i	22.2	deg	[-10105/271] Position angle of dVrad in i band (deVPhi_i) (pos.posAng) (POS_POS-ANG)
deVPhi_z	26.1	deg	[-10105/271] Position angle of dVrad in z band (deVPhi_z) (pos.posAng) (POS_POS-ANG)
flags_u	275146375168		Detection flags u band (flags_u) (Note 3)   (meta.code) (CODE_MISC)
flags_g	268468224		Detection flags g band (flags_g) (Note 3)   (meta.code) (CODE_MISC)
flags_r	4503599895838720		Detection flags r band (flags_r) (Note 3)   (meta.code) (CODE_MISC)
flags_i	268468224		Detection flags i band (flags_i) (Note 3)   (meta.code) (CODE_MISC)
flags_z	275280723968		Detection flags z band (flags_z) (Note 3)   (meta.code) (CODE_MISC)
type_u	6		[0/8] Phototype in u band (6=Star ; 3=galaxy) (type_u) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_g	6		[0/8] Phototype in i band (6=Star ; 3=galaxy) (type_g) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_r	6		[0/8] Phototype in r band (6=Star ; 3=galaxy) (type_r) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_i	6		[0/8] Phototype in i band (6=Star ; 3=galaxy) (type_i) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_z	6		[0/8] Phototype in z band (6=Star ; 3=galaxy) (type_z) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_u	1.0		[0/1] 0=notStar 1=Star in u band (probPSF_u) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_g	1.0		[0/1] 0=notStar 1=Star in g band (probPSF_g) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_r	1.0		[0/1] 0=notStar 1=Star in r band (probPSF_r) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_i	1.0		[0/1] 0=notStar 1=Star in i band (probPSF_i) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_z	1.0		[0/1] 0=notStar 1=Star in z band (probPSF_z) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
raErr	0.007	arcsec	[0/51703] Mean error on RAdeg (raErr) (stat.error;pos.eq.ra) (ERROR)
decErr	0.007	arcsec	[0/22795] Mean error on DEdeg (decErr) (stat.error;pos.eq.dec) (ERROR)
offsetRa_u	0.06	arcsec	Offset of u position along RA (offsetRa_u) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_g	0.01	arcsec	Offset of g position along RA (offsetRa_g) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_r	0.00	arcsec	Offset of r position along RA (offsetRa_r) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_i	-0.00	arcsec	Offset of i position along RA (offsetRa_i) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_z	0.01	arcsec	Offset of z position along RA (offsetRa_z) (pos.angDistance) (POS_EQ_RA_OFF)
offsetDec_u	0.02	arcsec	Offset of u position along Dec (offsetDec_u) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_g	0.09	arcsec	Offset of g position along Dec (offsetDec_g) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_r	0.00	arcsec	Offset of r position along Dec (offsetDec_r) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_i	-0.00	arcsec	Offset of i position along Dec (offsetDec_i) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_z	0.03	arcsec	Offset of z position along Dec (offsetDec_z) (pos.angDistance) (POS_EQ_DEC_OFF)
parentID	1237678433254047964		Pointer to parent (if object deblended) (meta.id.parent) (ID_PARENT)
specObjID	0		(i) Pointer to the spectrum of object or 0 (specObjID) (Note 6)   (meta.id) (ID_ALTERNATIVE)
u	20.183	mag	(i) [4/37.3] Model magnitude in u filter AB scale (u) (Note 7)   (phot.mag;em.opt.U) (PHOT_SDSS_U)
g	19.168	mag	(i) [3.7/39.6] Model magnitude in g filter AB scale (g) (Note 7)   (phot.mag;em.opt.B) (PHOT_SDSS_G)
r	19.014	mag	(i) [3.8/40.4] Model magnitude in r filter AB scale (r) (Note 7)   (phot.mag;em.opt.R) (PHOT_SDSS_R)
i	18.994	mag	(i) [2.6/39.5] Model magnitude in i filter AB scale (i) (Note 7)   (phot.mag;em.opt.I) (PHOT_SDSS_I)
z	19.014	mag	(i) [3.5/37.2] Model magnitude in z filter AB scale (z) (Note 7)   (phot.mag;em.opt.I) (PHOT_SDSS_Z)
err_u	0.047	mag	[8.9e-8/3444] Mean error on umag (err_u) (stat.error;phot.mag) (ERROR)
err_g	0.010	mag	[3.8e-8/5955] Mean error on gmag (err_g) (stat.error;phot.mag) (ERROR)
err_r	0.011	mag	[5.2e-8/915] Mean error on rmag (err_r) (stat.error;phot.mag) (ERROR)
err_i	0.014	mag	[0/634] Mean error on imag (err_i) (stat.error;phot.mag) (ERROR)
err_z	0.041	mag	[9.4e-8/3529] Mean error on zmag (err_z) (stat.error;phot.mag) (ERROR)
resolveStatus	1025		[0/4145] Decimal status (resolveStatus) (Note 5)   (meta.code) (CODE_MISC)
spec_instrument			Spectral instrument used ("SDSS" or "BOSS") (spec_instrument) (Note 6)   (meta.id;instr) (INST_ID)
spec_sourceType			Source type (spec_sourceType) (6) (Note 8)   (src.class) (CLASS_OBJECT)
spec_z			(i) [-0.012/7.06] Spectroscopic final redshift (when SpObjID>0) (spec_z) (Note 6)   (src.redshift) (REDSHIFT_HC)
spec_zErr			[-6/30689] Mean error on zsp (negative for bad fit) (spec_zErr) (Note 6)   (stat.error) (ERROR)
spec_zWarning			[0/902] Zwarning flag (spec_zWarning) (6) (Note 9)   (meta.code) (CODE_MISC)
spec_class			Spectroscopic class: "GALAXY"; "QSO"; "STAR" (spec_class) (Note 6)   (meta.code.class;pos.parallax.spect) (CLASS_STAR/GALAXY)
spec_subClass			Spectroscopic subclass (spec_subClass) (6) (Note 10)   (src.class) (CLASS_OBJECT)
spec_velDisp		km/s	[0/850] Velocity dispersion (spec_velDisp) (Note 6)   (phys.veloc.dispersion) (VELOC_DISP)
spec_velDispErr		km/s	[-7/4526] Mean error on Vdisp (spec_velDispErr) (Note 6)   (stat.error) (ERROR)
spec_snMedian			[-1927/132] Median signal-to-noise over all good pixels (spec_snMedian) (Note 6)   (em.wl.central;stat.median) (INST_S/N)
pm_match	1		[0/4] Number of USNO-B objects matched within 1arcsec (pm_match) (Note 11)   (meta.number) (NUMBER)
pm_pmRa	-3.96	mas/yr	[-6121/5519] Proper motion along Right Ascension (pm_pmRa) (Note 11)   (pos.pm;pos.eq.ra) (POS_EQ_PMRA)
pm_pmDec	-1.40	mas/yr	[-4846/4437] Proper motion along Declination (pm_pmDec) (Note 11)   (pos.pm;pos.eq.dec) (POS_EQ_PMDEC)
pm_pmRaErr	2.81	mas/yr	[0/4709] Mean error on pmRA (pm_pmRaErr) (Note 11)   (stat.error;pos.pm;pos.eq.ra) (ERROR)
pm_pmDecErr	2.81	mas/yr	[0/4709] Mean error on pmDE (pm_pmDecErr) (Note 11)   (stat.error;pos.pm;pos.eq.dec) (ERROR)
pm_sigRa	107.20	mas	[0/8662] RMS residual of proper motion fit in RA (pm_sigRa) (Note 11)   (stat.fit.residual) (FIT_RESIDUAL)
pm_sigDec	180.86	mas	[0/10625] RMS residual of proper motion fit in Dec (pm_sigDec) (Note 11)   (stat.fit.residual) (FIT_RESIDUAL)
pm_nFit	5		[0/6] Number of detections used in the pm fit including SDSS (pm_nFit) (Note 11)   (meta.number) (NUMBER)
pm_O	18.8		[-214740/70189] Magnitude from USNO-B O plate recalibrated to SDSS g (pm_O) (Note 11)   (phot.mag;em.opt.B) (PHOT_PHG_B)
pm_E	18.9		Magnitude from E plate recalibrated to SDSS r (pm_E) (Note 11)   (phot.mag;em.opt.R) (PHOT_PHG_R)
pm_J	19.0		Magnitude from J plate recalibrated to SDSS g (pm_J) (Note 11)   (phot.mag;em.opt.B) (PHOT_PHG_B)
pm_F	19.0		Magnitude from F plate recalibrated to SDSS r (pm_F) (Note 11)   (phot.mag;em.opt.R) (PHOT_PHG_R)
pm_N	0.0		Magnitude from N plate recalibrated to SDSS i (pm_N) (Note 11)   (phot.mag;em.opt.I) (PHOT_PHG_I)
photoz_z			(i) [5e-4/1] Photometric redshift estimated by robust fit to nearest neighbors in a reference set (photoz_z) (Note 12)   (src.redshift) (REDSHIFT_PHOT)
photoz_zErr			[0.003/0.3] Estimated error of the photometric redshift (photoz_zErr) (Note 12)   (stat.error) (ERROR)
photoz_nnAvgZ			[0.009/0.9] Average redshift of the nearest neighbors; if significantly different from zph this might be a better estimate than zph (photoz_nnAvgZ) (Note 12)   (src.redshift.phot) (REDSHIFT_PHOT)
photoz_chisq			[2e-12/6.3e7] Chi-square value for the minimum chi-square template fit (photoz_chisq) (Note 12)   (stat.value) (FIT_CHI2)
field_quality	3		[1/3] Quality of the observation: 1=bad; 2=barely acceptable; 3=good (field_quality) (Note 13)   (meta.code.qual;obs.param;obs) (CODE_QUALITY)
field_mjd_u	54715.3565	d	Date of observation in u band (field_mjd_u) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_g	54715.3581	d	Date of observation in g band (field_mjd_g) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_r	54715.3548	d	Date of observation in r band (field_mjd_r) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_i	54715.3557	d	Date of observation in i band (field_mjd_i) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_z	54715.3573	d	Date of observation in z band (field_mjd_z) (Note 13)   (time.epoch) (TIME_DATE)
SDSS16	SDSS J002716.16-000240.3		(i) SDSS-DR16 name based on J2000 position; provided by CDS (meta.id) (ID_ALTERNATIVE)
SDSS-ID	7674-301-2-0069-0221		(i) SDSS object identifier (run-rerun-camcol-field-object) (Note 1)   (meta.id) (ID_ALTERNATIVE)
Sp-ID			(i) Spectroscopic Plate-MJD-Fiber identifier (plate-mjd-fiberID) (meta.id) (ID_ALTERNATIVE)
MJD	54715.3565	d	Mean observation date (average calculated by CDS from the uMJD, gMJD, rMJD, iMJD, zMJD) (time.epoch) (TIME_DATE)

Column	Value		Explain   (UCD)
_r	0.019	arcsec	Distance from center (006.817346-00.044534)[ICRS], at Epoch of catalog (MJD) (pos.angDistance) (POS_ANG_DIST_GENERAL)
_RAJ2000	00 27 16.16394	"h:m:s"	Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra) (POS_EQ_RA)
_DEJ2000	-00 02 40.3084	"d:m:s"	Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_RAB1950	00 24 42.42686	"h:m:s"	Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra) (POS_EQ_RA)
_DEB1950	-00 19 16.1546	"d:m:s"	Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_Glon	109.84399360	deg	Galactic longitude at Epoch=J0. (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lon) (POS_GAL_LON)
_Glat	-62.30055216	deg	Galactic latitude at Epoch=J0. (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lat) (POS_GAL_LAT)
objID	1237678433254047964		(i) SDSS unique object identifier (1) (links to online SDSS-DR16 data) (Note)   (meta.id;meta.main) (ID_MAIN)
ra	006.817350	deg	(i) Right Ascension of the object (ICRS) at Epoch="MJD" (ra) (pos.eq.ra;meta.main) (POS_EQ_RA_MAIN)
dec	-00.044530	deg	(i) Declination of the object (ICRS) at Epoch="MJD" (dec) (pos.eq.dec;meta.main) (POS_EQ_DEC_MAIN)
fieldID	1237678433254047744		The field this object is in (meta.note) (ID_FIELD)
mode	3		[1/4] PhotoMode (1=primary, 2=secondary, 3=family, 4=outside) (meta.code.class) (CLASS_CODE)
type	6		[0/8] Type of object (3=galaxy, 6=star) (type) (Note 2)   (src.class) (CLASS_OBJECT)
clean	0		[0/1] Clean photometry flag (1=clean; 0=unclean) (meta.code) (CODE_MISC)
flags	68988043266		Photo Object Attribute flags (Note 3)   (meta.code.error) (CODE_MISC)
psfMag_u	20.177	mag	(i) [4/35] PSF magnitude in u band (psfMag_u) (Note 4)   (phot.mag;em.opt.U) (PHOT_SDSS_U)
psfMag_g	19.195	mag	[3.7/37] PSF magnitude in g band (psfMag_g) (Note 4)   (phot.mag;em.opt.B) (PHOT_SDSS_G)
psfMag_r	19.020	mag	[3.8/36] PSF magnitude in r band (psfMag_r) (Note 4)   (phot.mag;em.opt.R) (PHOT_SDSS_R)
psfMag_i	19.008	mag	[2.6/34] PSF magnitude in i band (psfMag_i) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_I)
psfMag_z	19.036	mag	[3.8/33.3] PSF magnitude in z band (psfMag_z) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_Z)
psfMagErr_u	0.044	mag	[1.5e-5/100] Mean error on upmag (psfMagErr_u) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_g	0.020	mag	Mean error on gpmag (psfMagErr_g) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_r	0.016	mag	Mean error on rpmag (psfMagErr_r) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_i	0.016	mag	Mean error on ipmag (psfMagErr_i) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_z	0.052	mag	Mean error on zpmag (psfMagErr_z) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMag_u	20.255	mag	[-0.4/47.2] Petrosian magnitude in u band (petroMag_u) (Note 4)   (phot.mag;em.opt.U) (PHOT_SDSS_U)
petroMag_g	19.166	mag	[3.7/48] Petrosian magnitude in g band (petroMag_g) (Note 4)   (phot.mag;em.opt.B) (PHOT_SDSS_G)
petroMag_r	19.096	mag	[1.3/48.6] Petrosian magnitude in r band (petroMag_r) (Note 4)   (phot.mag;em.opt.R) (PHOT_SDSS_R)
petroMag_i	19.156	mag	[2.6/48.4] Petrosian magnitude in i band (petroMag_i) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_I)
petroMag_z	19.091	mag	[-2.9/45.1] Petrosian magnitude in z band (petroMag_z) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_Z)
petroMagErr_u	0.070	mag	[1e-7/100] Mean error in uPmag (petroMagErr_u) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_g	0.014	mag	[9.1e-9/100] Mean error in gPmag (petroMagErr_g) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_r	0.017	mag	Mean error in rPmag (petroMagErr_r) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_i	0.027	mag	Mean error in iPmag (petroMagErr_i) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_z	0.083	mag	Mean error in zPmag (petroMagErr_z) (Note 4)   (stat.error;phot.mag) (ERROR)
petroRad_u	1.702	arcsec	[1.2e-6/261] Petrosian radius in u band (petroRad_u) (phys.angSize;src) (EXTENSION_RAD)
petroRad_g	1.617	arcsec	[2.3e-6/261] Petrosian radius in g band (petroRad_g) (phys.angSize;src) (EXTENSION_RAD)
petroRad_r	1.461	arcsec	[4.9e-6/260] Petrosian radius in r band (petroRad_r) (phys.angSize;src) (EXTENSION_RAD)
petroRad_i	1.270	arcsec	[2.2e-6/263] Petrosian radius in i band (petroRad_i) (phys.angSize;src) (EXTENSION_RAD)
petroRad_z	1.400	arcsec	[8.3e-7/261] Petrosian radius in z band (petroRad_z) (phys.angSize;src) (EXTENSION_RAD)
petroRadErr_u	0.161	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_u) (stat.error) (ERROR)
petroRadErr_g	0.029	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_g) (stat.error) (ERROR)
petroRadErr_r	0.036	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_r) (stat.error) (ERROR)
petroRadErr_i	0.034	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_i) (stat.error) (ERROR)
petroRadErr_z	0.517	arcsec	[-1000/257] Mean error in rPrad (petroRadErr_z) (stat.error) (ERROR)
deVRad_u	0.000	arcsec	[0/257] De Vaucouleurs fit radius u band (deVRad_u) (phys.angSize;src) (EXTENSION_RAD)
deVRad_g	0.136	arcsec	[0/238] De Vaucouleurs fit radius g band (deVRad_g) (phys.angSize;src) (EXTENSION_RAD)
deVRad_r	0.000	arcsec	[0/238] De Vaucouleurs fit radius r band (deVRad_r) (phys.angSize;src) (EXTENSION_RAD)
deVRad_i	0.000	arcsec	[0/232] De Vaucouleurs fit radius i band (deVRad_i) (phys.angSize;src) (EXTENSION_RAD)
deVRad_z	0.144	arcsec	[0/238] De Vaucouleurs fit radius z band (deVRad_z) (phys.angSize;src) (EXTENSION_RAD)
deVAB_u	0.142		[0.05/1] De Vaucouleurs fit b/a u band (deVAB_u) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_g	0.971		[0.05/1] De Vaucouleurs fit b/a g band (deVAB_g) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_r	0.765		[0.05/1] De Vaucouleurs fit b/a r band (deVAB_r) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_i	0.604		[0.05/1] De Vaucouleurs fit b/a i band (deVAB_i) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_z	0.110		[0.05/1] De Vaucouleurs fit b/a z band (deVAB_z) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVPhi_u	10.7	deg	[-10105/271] Position angle of dVrad in u band (deVPhi_u) (pos.posAng) (POS_POS-ANG)
deVPhi_g	59.9	deg	[-10105/271] Position angle of dVrad in g band (deVPhi_g) (pos.posAng) (POS_POS-ANG)
deVPhi_r	14.4	deg	[-10105/271] Position angle of dVrad in r band (deVPhi_r) (pos.posAng) (POS_POS-ANG)
deVPhi_i	59.0	deg	[-10105/271] Position angle of dVrad in i band (deVPhi_i) (pos.posAng) (POS_POS-ANG)
deVPhi_z	25.5	deg	[-10105/271] Position angle of dVrad in z band (deVPhi_z) (pos.posAng) (POS_POS-ANG)
flags_u	275146375168		Detection flags u band (flags_u) (Note 3)   (meta.code) (CODE_MISC)
flags_g	275146375170		Detection flags g band (flags_g) (Note 3)   (meta.code) (CODE_MISC)
flags_r	4503874773745666		Detection flags r band (flags_r) (Note 3)   (meta.code) (CODE_MISC)
flags_i	275146375170		Detection flags i band (flags_i) (Note 3)   (meta.code) (CODE_MISC)
flags_z	275280723968		Detection flags z band (flags_z) (Note 3)   (meta.code) (CODE_MISC)
type_u	6		[0/8] Phototype in u band (6=Star ; 3=galaxy) (type_u) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_g	6		[0/8] Phototype in i band (6=Star ; 3=galaxy) (type_g) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_r	6		[0/8] Phototype in r band (6=Star ; 3=galaxy) (type_r) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_i	6		[0/8] Phototype in i band (6=Star ; 3=galaxy) (type_i) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_z	6		[0/8] Phototype in z band (6=Star ; 3=galaxy) (type_z) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_u	1.0		[0/1] 0=notStar 1=Star in u band (probPSF_u) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_g	1.0		[0/1] 0=notStar 1=Star in g band (probPSF_g) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_r	1.0		[0/1] 0=notStar 1=Star in r band (probPSF_r) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_i	1.0		[0/1] 0=notStar 1=Star in i band (probPSF_i) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_z	1.0		[0/1] 0=notStar 1=Star in z band (probPSF_z) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
raErr	0.007	arcsec	[0/51703] Mean error on RAdeg (raErr) (stat.error;pos.eq.ra) (ERROR)
decErr	0.007	arcsec	[0/22795] Mean error on DEdeg (decErr) (stat.error;pos.eq.dec) (ERROR)
offsetRa_u	0.05	arcsec	Offset of u position along RA (offsetRa_u) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_g	0.03	arcsec	Offset of g position along RA (offsetRa_g) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_r	0.00	arcsec	Offset of r position along RA (offsetRa_r) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_i	0.01	arcsec	Offset of i position along RA (offsetRa_i) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_z	-0.00	arcsec	Offset of z position along RA (offsetRa_z) (pos.angDistance) (POS_EQ_RA_OFF)
offsetDec_u	0.00	arcsec	Offset of u position along Dec (offsetDec_u) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_g	0.07	arcsec	Offset of g position along Dec (offsetDec_g) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_r	0.00	arcsec	Offset of r position along Dec (offsetDec_r) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_i	-0.02	arcsec	Offset of i position along Dec (offsetDec_i) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_z	0.01	arcsec	Offset of z position along Dec (offsetDec_z) (pos.angDistance) (POS_EQ_DEC_OFF)
parentID	0		Pointer to parent (if object deblended) (meta.id.parent) (ID_PARENT)
specObjID	0		(i) Pointer to the spectrum of object or 0 (specObjID) (Note 6)   (meta.id) (ID_ALTERNATIVE)
u	20.191	mag	(i) [4/37.3] Model magnitude in u filter AB scale (u) (Note 7)   (phot.mag;em.opt.U) (PHOT_SDSS_U)
g	19.171	mag	(i) [3.7/39.6] Model magnitude in g filter AB scale (g) (Note 7)   (phot.mag;em.opt.B) (PHOT_SDSS_G)
r	19.031	mag	(i) [3.8/40.4] Model magnitude in r filter AB scale (r) (Note 7)   (phot.mag;em.opt.R) (PHOT_SDSS_R)
i	19.018	mag	(i) [2.6/39.5] Model magnitude in i filter AB scale (i) (Note 7)   (phot.mag;em.opt.I) (PHOT_SDSS_I)
z	19.020	mag	(i) [3.5/37.2] Model magnitude in z filter AB scale (z) (Note 7)   (phot.mag;em.opt.I) (PHOT_SDSS_Z)
err_u	0.048	mag	[8.9e-8/3444] Mean error on umag (err_u) (stat.error;phot.mag) (ERROR)
err_g	0.010	mag	[3.8e-8/5955] Mean error on gmag (err_g) (stat.error;phot.mag) (ERROR)
err_r	0.011	mag	[5.2e-8/915] Mean error on rmag (err_r) (stat.error;phot.mag) (ERROR)
err_i	0.014	mag	[0/634] Mean error on imag (err_i) (stat.error;phot.mag) (ERROR)
err_z	0.042	mag	[9.4e-8/3529] Mean error on zmag (err_z) (stat.error;phot.mag) (ERROR)
resolveStatus	8		[0/4145] Decimal status (resolveStatus) (Note 5)   (meta.code) (CODE_MISC)
spec_instrument			Spectral instrument used ("SDSS" or "BOSS") (spec_instrument) (Note 6)   (meta.id;instr) (INST_ID)
spec_sourceType			Source type (spec_sourceType) (6) (Note 8)   (src.class) (CLASS_OBJECT)
spec_z			(i) [-0.012/7.06] Spectroscopic final redshift (when SpObjID>0) (spec_z) (Note 6)   (src.redshift) (REDSHIFT_HC)
spec_zErr			[-6/30689] Mean error on zsp (negative for bad fit) (spec_zErr) (Note 6)   (stat.error) (ERROR)
spec_zWarning			[0/902] Zwarning flag (spec_zWarning) (6) (Note 9)   (meta.code) (CODE_MISC)
spec_class			Spectroscopic class: "GALAXY"; "QSO"; "STAR" (spec_class) (Note 6)   (meta.code.class;pos.parallax.spect) (CLASS_STAR/GALAXY)
spec_subClass			Spectroscopic subclass (spec_subClass) (6) (Note 10)   (src.class) (CLASS_OBJECT)
spec_velDisp		km/s	[0/850] Velocity dispersion (spec_velDisp) (Note 6)   (phys.veloc.dispersion) (VELOC_DISP)
spec_velDispErr		km/s	[-7/4526] Mean error on Vdisp (spec_velDispErr) (Note 6)   (stat.error) (ERROR)
spec_snMedian			[-1927/132] Median signal-to-noise over all good pixels (spec_snMedian) (Note 6)   (em.wl.central;stat.median) (INST_S/N)
pm_match			[0/4] Number of USNO-B objects matched within 1arcsec (pm_match) (Note 11)   (meta.number) (NUMBER)
pm_pmRa		mas/yr	[-6121/5519] Proper motion along Right Ascension (pm_pmRa) (Note 11)   (pos.pm;pos.eq.ra) (POS_EQ_PMRA)
pm_pmDec		mas/yr	[-4846/4437] Proper motion along Declination (pm_pmDec) (Note 11)   (pos.pm;pos.eq.dec) (POS_EQ_PMDEC)
pm_pmRaErr		mas/yr	[0/4709] Mean error on pmRA (pm_pmRaErr) (Note 11)   (stat.error;pos.pm;pos.eq.ra) (ERROR)
pm_pmDecErr		mas/yr	[0/4709] Mean error on pmDE (pm_pmDecErr) (Note 11)   (stat.error;pos.pm;pos.eq.dec) (ERROR)
pm_sigRa		mas	[0/8662] RMS residual of proper motion fit in RA (pm_sigRa) (Note 11)   (stat.fit.residual) (FIT_RESIDUAL)
pm_sigDec		mas	[0/10625] RMS residual of proper motion fit in Dec (pm_sigDec) (Note 11)   (stat.fit.residual) (FIT_RESIDUAL)
pm_nFit			[0/6] Number of detections used in the pm fit including SDSS (pm_nFit) (Note 11)   (meta.number) (NUMBER)
pm_O			[-214740/70189] Magnitude from USNO-B O plate recalibrated to SDSS g (pm_O) (Note 11)   (phot.mag;em.opt.B) (PHOT_PHG_B)
pm_E			Magnitude from E plate recalibrated to SDSS r (pm_E) (Note 11)   (phot.mag;em.opt.R) (PHOT_PHG_R)
pm_J			Magnitude from J plate recalibrated to SDSS g (pm_J) (Note 11)   (phot.mag;em.opt.B) (PHOT_PHG_B)
pm_F			Magnitude from F plate recalibrated to SDSS r (pm_F) (Note 11)   (phot.mag;em.opt.R) (PHOT_PHG_R)
pm_N			Magnitude from N plate recalibrated to SDSS i (pm_N) (Note 11)   (phot.mag;em.opt.I) (PHOT_PHG_I)
photoz_z			(i) [5e-4/1] Photometric redshift estimated by robust fit to nearest neighbors in a reference set (photoz_z) (Note 12)   (src.redshift) (REDSHIFT_PHOT)
photoz_zErr			[0.003/0.3] Estimated error of the photometric redshift (photoz_zErr) (Note 12)   (stat.error) (ERROR)
photoz_nnAvgZ			[0.009/0.9] Average redshift of the nearest neighbors; if significantly different from zph this might be a better estimate than zph (photoz_nnAvgZ) (Note 12)   (src.redshift.phot) (REDSHIFT_PHOT)
photoz_chisq			[2e-12/6.3e7] Chi-square value for the minimum chi-square template fit (photoz_chisq) (Note 12)   (stat.value) (FIT_CHI2)
field_quality	3		[1/3] Quality of the observation: 1=bad; 2=barely acceptable; 3=good (field_quality) (Note 13)   (meta.code.qual;obs.param;obs) (CODE_QUALITY)
field_mjd_u	54715.3565	d	Date of observation in u band (field_mjd_u) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_g	54715.3581	d	Date of observation in g band (field_mjd_g) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_r	54715.3548	d	Date of observation in r band (field_mjd_r) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_i	54715.3557	d	Date of observation in i band (field_mjd_i) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_z	54715.3573	d	Date of observation in z band (field_mjd_z) (Note 13)   (time.epoch) (TIME_DATE)
SDSS16	SDSS J002716.16-000240.3		(i) SDSS-DR16 name based on J2000 position; provided by CDS (meta.id) (ID_ALTERNATIVE)
SDSS-ID	7674-301-2-0069-0220		(i) SDSS object identifier (run-rerun-camcol-field-object) (Note 1)   (meta.id) (ID_ALTERNATIVE)
Sp-ID			(i) Spectroscopic Plate-MJD-Fiber identifier (plate-mjd-fiberID) (meta.id) (ID_ALTERNATIVE)
MJD	54715.3565	d	Mean observation date (average calculated by CDS from the uMJD, gMJD, rMJD, iMJD, zMJD) (time.epoch) (TIME_DATE)

Column	Value		Explain   (UCD)
_r	0.020	arcsec	Distance from center (006.817346-00.044534)[ICRS], at Epoch of catalog (MJD) (pos.angDistance) (POS_ANG_DIST_GENERAL)
_RAJ2000	00 27 16.16531	"h:m:s"	Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra) (POS_EQ_RA)
_DEJ2000	-00 02 40.3028	"d:m:s"	Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_RAB1950	00 24 42.43912	"h:m:s"	Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra) (POS_EQ_RA)
_DEB1950	-00 19 16.0361	"d:m:s"	Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_Glon	109.84399593	deg	Galactic longitude at Epoch=J0. (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lon) (POS_GAL_LON)
_Glat	-62.30055384	deg	Galactic latitude at Epoch=J0. (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lat) (POS_GAL_LAT)
objID	1237666407908507901		(i) SDSS unique object identifier (1) (links to online SDSS-DR16 data) (Note)   (meta.id;meta.main) (ID_MAIN)
ra	006.817351	deg	(i) Right Ascension of the object (ICRS) at Epoch="MJD" (ra) (pos.eq.ra;meta.main) (POS_EQ_RA_MAIN)
dec	-00.044532	deg	(i) Declination of the object (ICRS) at Epoch="MJD" (dec) (pos.eq.dec;meta.main) (POS_EQ_DEC_MAIN)
fieldID	1237666407908507648		The field this object is in (meta.note) (ID_FIELD)
mode	2		[1/4] PhotoMode (1=primary, 2=secondary, 3=family, 4=outside) (meta.code.class) (CLASS_CODE)
type	6		[0/8] Type of object (3=galaxy, 6=star) (type) (Note 2)   (src.class) (CLASS_OBJECT)
clean	0		[0/1] Clean photometry flag (1=clean; 0=unclean) (meta.code) (CODE_MISC)
flags	68987912704		Photo Object Attribute flags (Note 3)   (meta.code.error) (CODE_MISC)
psfMag_u	20.137	mag	(i) [4/35] PSF magnitude in u band (psfMag_u) (Note 4)   (phot.mag;em.opt.U) (PHOT_SDSS_U)
psfMag_g	19.121	mag	[3.7/37] PSF magnitude in g band (psfMag_g) (Note 4)   (phot.mag;em.opt.B) (PHOT_SDSS_G)
psfMag_r	19.004	mag	[3.8/36] PSF magnitude in r band (psfMag_r) (Note 4)   (phot.mag;em.opt.R) (PHOT_SDSS_R)
psfMag_i	19.038	mag	[2.6/34] PSF magnitude in i band (psfMag_i) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_I)
psfMag_z	18.976	mag	[3.8/33.3] PSF magnitude in z band (psfMag_z) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_Z)
psfMagErr_u	0.058	mag	[1.5e-5/100] Mean error on upmag (psfMagErr_u) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_g	0.019	mag	Mean error on gpmag (psfMagErr_g) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_r	0.020	mag	Mean error on rpmag (psfMagErr_r) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_i	0.018	mag	Mean error on ipmag (psfMagErr_i) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_z	0.051	mag	Mean error on zpmag (psfMagErr_z) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMag_u	20.185	mag	[-0.4/47.2] Petrosian magnitude in u band (petroMag_u) (Note 4)   (phot.mag;em.opt.U) (PHOT_SDSS_U)
petroMag_g	19.165	mag	[3.7/48] Petrosian magnitude in g band (petroMag_g) (Note 4)   (phot.mag;em.opt.B) (PHOT_SDSS_G)
petroMag_r	19.052	mag	[1.3/48.6] Petrosian magnitude in r band (petroMag_r) (Note 4)   (phot.mag;em.opt.R) (PHOT_SDSS_R)
petroMag_i	19.133	mag	[2.6/48.4] Petrosian magnitude in i band (petroMag_i) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_I)
petroMag_z	18.938	mag	[-2.9/45.1] Petrosian magnitude in z band (petroMag_z) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_Z)
petroMagErr_u	0.094	mag	[1e-7/100] Mean error in uPmag (petroMagErr_u) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_g	0.016	mag	[9.1e-9/100] Mean error in gPmag (petroMagErr_g) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_r	0.022	mag	Mean error in rPmag (petroMagErr_r) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_i	0.032	mag	Mean error in iPmag (petroMagErr_i) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_z	0.107	mag	Mean error in zPmag (petroMagErr_z) (Note 4)   (stat.error;phot.mag) (ERROR)
petroRad_u	6.282	arcsec	[1.2e-6/261] Petrosian radius in u band (petroRad_u) (phys.angSize;src) (EXTENSION_RAD)
petroRad_g	1.628	arcsec	[2.3e-6/261] Petrosian radius in g band (petroRad_g) (phys.angSize;src) (EXTENSION_RAD)
petroRad_r	1.689	arcsec	[4.9e-6/260] Petrosian radius in r band (petroRad_r) (phys.angSize;src) (EXTENSION_RAD)
petroRad_i	1.381	arcsec	[2.2e-6/263] Petrosian radius in i band (petroRad_i) (phys.angSize;src) (EXTENSION_RAD)
petroRad_z	1.973	arcsec	[8.3e-7/261] Petrosian radius in z band (petroRad_z) (phys.angSize;src) (EXTENSION_RAD)
petroRadErr_u	0.205	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_u) (stat.error) (ERROR)
petroRadErr_g	0.024	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_g) (stat.error) (ERROR)
petroRadErr_r	0.047	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_r) (stat.error) (ERROR)
petroRadErr_i	0.050	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_i) (stat.error) (ERROR)
petroRadErr_z	0.752	arcsec	[-1000/257] Mean error in rPrad (petroRadErr_z) (stat.error) (ERROR)
deVRad_u	0.316	arcsec	[0/257] De Vaucouleurs fit radius u band (deVRad_u) (phys.angSize;src) (EXTENSION_RAD)
deVRad_g	0.043	arcsec	[0/238] De Vaucouleurs fit radius g band (deVRad_g) (phys.angSize;src) (EXTENSION_RAD)
deVRad_r	0.000	arcsec	[0/238] De Vaucouleurs fit radius r band (deVRad_r) (phys.angSize;src) (EXTENSION_RAD)
deVRad_i	0.001	arcsec	[0/232] De Vaucouleurs fit radius i band (deVRad_i) (phys.angSize;src) (EXTENSION_RAD)
deVRad_z	0.130	arcsec	[0/238] De Vaucouleurs fit radius z band (deVRad_z) (phys.angSize;src) (EXTENSION_RAD)
deVAB_u	0.351		[0.05/1] De Vaucouleurs fit b/a u band (deVAB_u) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_g	1.000		[0.05/1] De Vaucouleurs fit b/a g band (deVAB_g) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_r	0.850		[0.05/1] De Vaucouleurs fit b/a r band (deVAB_r) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_i	0.638		[0.05/1] De Vaucouleurs fit b/a i band (deVAB_i) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_z	0.142		[0.05/1] De Vaucouleurs fit b/a z band (deVAB_z) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVPhi_u	13.3	deg	[-10105/271] Position angle of dVrad in u band (deVPhi_u) (pos.posAng) (POS_POS-ANG)
deVPhi_g	46.1	deg	[-10105/271] Position angle of dVrad in g band (deVPhi_g) (pos.posAng) (POS_POS-ANG)
deVPhi_r	165.5	deg	[-10105/271] Position angle of dVrad in r band (deVPhi_r) (pos.posAng) (POS_POS-ANG)
deVPhi_i	129.9	deg	[-10105/271] Position angle of dVrad in i band (deVPhi_i) (pos.posAng) (POS_POS-ANG)
deVPhi_z	160.2	deg	[-10105/271] Position angle of dVrad in z band (deVPhi_z) (pos.posAng) (POS_POS-ANG)
flags_u	275146375680		Detection flags u band (flags_u) (Note 3)   (meta.code) (CODE_MISC)
flags_g	268468224		Detection flags g band (flags_g) (Note 3)   (meta.code) (CODE_MISC)
flags_r	4503599895838720		Detection flags r band (flags_r) (Note 3)   (meta.code) (CODE_MISC)
flags_i	275146375168		Detection flags i band (flags_i) (Note 3)   (meta.code) (CODE_MISC)
flags_z	268468224		Detection flags z band (flags_z) (Note 3)   (meta.code) (CODE_MISC)
type_u	6		[0/8] Phototype in u band (6=Star ; 3=galaxy) (type_u) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_g	6		[0/8] Phototype in i band (6=Star ; 3=galaxy) (type_g) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_r	6		[0/8] Phototype in r band (6=Star ; 3=galaxy) (type_r) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_i	6		[0/8] Phototype in i band (6=Star ; 3=galaxy) (type_i) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_z	6		[0/8] Phototype in z band (6=Star ; 3=galaxy) (type_z) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_u	1.0		[0/1] 0=notStar 1=Star in u band (probPSF_u) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_g	1.0		[0/1] 0=notStar 1=Star in g band (probPSF_g) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_r	1.0		[0/1] 0=notStar 1=Star in r band (probPSF_r) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_i	1.0		[0/1] 0=notStar 1=Star in i band (probPSF_i) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_z	1.0		[0/1] 0=notStar 1=Star in z band (probPSF_z) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
raErr	0.009	arcsec	[0/51703] Mean error on RAdeg (raErr) (stat.error;pos.eq.ra) (ERROR)
decErr	0.010	arcsec	[0/22795] Mean error on DEdeg (decErr) (stat.error;pos.eq.dec) (ERROR)
offsetRa_u	-0.01	arcsec	Offset of u position along RA (offsetRa_u) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_g	-0.01	arcsec	Offset of g position along RA (offsetRa_g) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_r	0.00	arcsec	Offset of r position along RA (offsetRa_r) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_i	-0.01	arcsec	Offset of i position along RA (offsetRa_i) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_z	0.03	arcsec	Offset of z position along RA (offsetRa_z) (pos.angDistance) (POS_EQ_RA_OFF)
offsetDec_u	-0.11	arcsec	Offset of u position along Dec (offsetDec_u) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_g	0.03	arcsec	Offset of g position along Dec (offsetDec_g) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_r	0.00	arcsec	Offset of r position along Dec (offsetDec_r) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_i	0.01	arcsec	Offset of i position along Dec (offsetDec_i) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_z	-0.03	arcsec	Offset of z position along Dec (offsetDec_z) (pos.angDistance) (POS_EQ_DEC_OFF)
parentID	1237666407908507900		Pointer to parent (if object deblended) (meta.id.parent) (ID_PARENT)
specObjID	0		(i) Pointer to the spectrum of object or 0 (specObjID) (Note 6)   (meta.id) (ID_ALTERNATIVE)
u	20.133	mag	(i) [4/37.3] Model magnitude in u filter AB scale (u) (Note 7)   (phot.mag;em.opt.U) (PHOT_SDSS_U)
g	19.122	mag	(i) [3.7/39.6] Model magnitude in g filter AB scale (g) (Note 7)   (phot.mag;em.opt.B) (PHOT_SDSS_G)
r	19.008	mag	(i) [3.8/40.4] Model magnitude in r filter AB scale (r) (Note 7)   (phot.mag;em.opt.R) (PHOT_SDSS_R)
i	19.049	mag	(i) [2.6/39.5] Model magnitude in i filter AB scale (i) (Note 7)   (phot.mag;em.opt.I) (PHOT_SDSS_I)
z	18.983	mag	(i) [3.5/37.2] Model magnitude in z filter AB scale (z) (Note 7)   (phot.mag;em.opt.I) (PHOT_SDSS_Z)
err_u	0.060	mag	[8.9e-8/3444] Mean error on umag (err_u) (stat.error;phot.mag) (ERROR)
err_g	0.011	mag	[3.8e-8/5955] Mean error on gmag (err_g) (stat.error;phot.mag) (ERROR)
err_r	0.013	mag	[5.2e-8/915] Mean error on rmag (err_r) (stat.error;phot.mag) (ERROR)
err_i	0.016	mag	[0/634] Mean error on imag (err_i) (stat.error;phot.mag) (ERROR)
err_z	0.051	mag	[9.4e-8/3529] Mean error on zmag (err_z) (stat.error;phot.mag) (ERROR)
resolveStatus	1025		[0/4145] Decimal status (resolveStatus) (Note 5)   (meta.code) (CODE_MISC)
spec_instrument			Spectral instrument used ("SDSS" or "BOSS") (spec_instrument) (Note 6)   (meta.id;instr) (INST_ID)
spec_sourceType			Source type (spec_sourceType) (6) (Note 8)   (src.class) (CLASS_OBJECT)
spec_z			(i) [-0.012/7.06] Spectroscopic final redshift (when SpObjID>0) (spec_z) (Note 6)   (src.redshift) (REDSHIFT_HC)
spec_zErr			[-6/30689] Mean error on zsp (negative for bad fit) (spec_zErr) (Note 6)   (stat.error) (ERROR)
spec_zWarning			[0/902] Zwarning flag (spec_zWarning) (6) (Note 9)   (meta.code) (CODE_MISC)
spec_class			Spectroscopic class: "GALAXY"; "QSO"; "STAR" (spec_class) (Note 6)   (meta.code.class;pos.parallax.spect) (CLASS_STAR/GALAXY)
spec_subClass			Spectroscopic subclass (spec_subClass) (6) (Note 10)   (src.class) (CLASS_OBJECT)
spec_velDisp		km/s	[0/850] Velocity dispersion (spec_velDisp) (Note 6)   (phys.veloc.dispersion) (VELOC_DISP)
spec_velDispErr		km/s	[-7/4526] Mean error on Vdisp (spec_velDispErr) (Note 6)   (stat.error) (ERROR)
spec_snMedian			[-1927/132] Median signal-to-noise over all good pixels (spec_snMedian) (Note 6)   (em.wl.central;stat.median) (INST_S/N)
pm_match	1		[0/4] Number of USNO-B objects matched within 1arcsec (pm_match) (Note 11)   (meta.number) (NUMBER)
pm_pmRa	-3.27	mas/yr	[-6121/5519] Proper motion along Right Ascension (pm_pmRa) (Note 11)   (pos.pm;pos.eq.ra) (POS_EQ_PMRA)
pm_pmDec	-2.26	mas/yr	[-4846/4437] Proper motion along Declination (pm_pmDec) (Note 11)   (pos.pm;pos.eq.dec) (POS_EQ_PMDEC)
pm_pmRaErr	3.08	mas/yr	[0/4709] Mean error on pmRA (pm_pmRaErr) (Note 11)   (stat.error;pos.pm;pos.eq.ra) (ERROR)
pm_pmDecErr	3.08	mas/yr	[0/4709] Mean error on pmDE (pm_pmDecErr) (Note 11)   (stat.error;pos.pm;pos.eq.dec) (ERROR)
pm_sigRa	117.90	mas	[0/8662] RMS residual of proper motion fit in RA (pm_sigRa) (Note 11)   (stat.fit.residual) (FIT_RESIDUAL)
pm_sigDec	191.61	mas	[0/10625] RMS residual of proper motion fit in Dec (pm_sigDec) (Note 11)   (stat.fit.residual) (FIT_RESIDUAL)
pm_nFit	5		[0/6] Number of detections used in the pm fit including SDSS (pm_nFit) (Note 11)   (meta.number) (NUMBER)
pm_O	18.8		[-214740/70189] Magnitude from USNO-B O plate recalibrated to SDSS g (pm_O) (Note 11)   (phot.mag;em.opt.B) (PHOT_PHG_B)
pm_E	19.0		Magnitude from E plate recalibrated to SDSS r (pm_E) (Note 11)   (phot.mag;em.opt.R) (PHOT_PHG_R)
pm_J	19.2		Magnitude from J plate recalibrated to SDSS g (pm_J) (Note 11)   (phot.mag;em.opt.B) (PHOT_PHG_B)
pm_F	18.9		Magnitude from F plate recalibrated to SDSS r (pm_F) (Note 11)   (phot.mag;em.opt.R) (PHOT_PHG_R)
pm_N	0.0		Magnitude from N plate recalibrated to SDSS i (pm_N) (Note 11)   (phot.mag;em.opt.I) (PHOT_PHG_I)
photoz_z			(i) [5e-4/1] Photometric redshift estimated by robust fit to nearest neighbors in a reference set (photoz_z) (Note 12)   (src.redshift) (REDSHIFT_PHOT)
photoz_zErr			[0.003/0.3] Estimated error of the photometric redshift (photoz_zErr) (Note 12)   (stat.error) (ERROR)
photoz_nnAvgZ			[0.009/0.9] Average redshift of the nearest neighbors; if significantly different from zph this might be a better estimate than zph (photoz_nnAvgZ) (Note 12)   (src.redshift.phot) (REDSHIFT_PHOT)
photoz_chisq			[2e-12/6.3e7] Chi-square value for the minimum chi-square template fit (photoz_chisq) (Note 12)   (stat.value) (FIT_CHI2)
field_quality	3		[1/3] Quality of the observation: 1=bad; 2=barely acceptable; 3=good (field_quality) (Note 13)   (meta.code.qual;obs.param;obs) (CODE_QUALITY)
field_mjd_u	53288.2699	d	Date of observation in u band (field_mjd_u) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_g	53288.2715	d	Date of observation in g band (field_mjd_g) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_r	53288.2682	d	Date of observation in r band (field_mjd_r) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_i	53288.2690	d	Date of observation in i band (field_mjd_i) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_z	53288.2707	d	Date of observation in z band (field_mjd_z) (Note 13)   (time.epoch) (TIME_DATE)
SDSS16	SDSS J002716.16-000240.3		(i) SDSS-DR16 name based on J2000 position; provided by CDS (meta.id) (ID_ALTERNATIVE)
SDSS-ID	4874-301-3-0466-0253		(i) SDSS object identifier (run-rerun-camcol-field-object) (Note 1)   (meta.id) (ID_ALTERNATIVE)
Sp-ID			(i) Spectroscopic Plate-MJD-Fiber identifier (plate-mjd-fiberID) (meta.id) (ID_ALTERNATIVE)
MJD	53288.2699	d	Mean observation date (average calculated by CDS from the uMJD, gMJD, rMJD, iMJD, zMJD) (time.epoch) (TIME_DATE)

Column	Value		Explain   (UCD)
_r	0.023	arcsec	Distance from center (006.817346-00.044534)[ICRS], at Epoch of catalog (MJD) (pos.angDistance) (POS_ANG_DIST_GENERAL)
_RAJ2000	00 27 16.16334	"h:m:s"	Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra) (POS_EQ_RA)
_DEJ2000	-00 02 40.2962	"d:m:s"	Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_RAB1950	00 24 42.43987	"h:m:s"	Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra) (POS_EQ_RA)
_DEB1950	-00 19 16.0544	"d:m:s"	Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_Glon	109.84398492	deg	Galactic longitude at Epoch=J0. (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lon) (POS_GAL_LON)
_Glat	-62.30054879	deg	Galactic latitude at Epoch=J0. (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lat) (POS_GAL_LAT)
objID	1237657190908166426		(i) SDSS unique object identifier (1) (links to online SDSS-DR16 data) (Note)   (meta.id;meta.main) (ID_MAIN)
ra	006.817345	deg	(i) Right Ascension of the object (ICRS) at Epoch="MJD" (ra) (pos.eq.ra;meta.main) (POS_EQ_RA_MAIN)
dec	-00.044528	deg	(i) Declination of the object (ICRS) at Epoch="MJD" (dec) (pos.eq.dec;meta.main) (POS_EQ_DEC_MAIN)
fieldID	1237657190908166144		The field this object is in (meta.note) (ID_FIELD)
mode	1		[1/4] PhotoMode (1=primary, 2=secondary, 3=family, 4=outside) (meta.code.class) (CLASS_CODE)
type	6		[0/8] Type of object (3=galaxy, 6=star) (type) (Note 2)   (src.class) (CLASS_OBJECT)
clean	1		[0/1] Clean photometry flag (1=clean; 0=unclean) (meta.code) (CODE_MISC)
flags	68987912192		Photo Object Attribute flags (Note 3)   (meta.code.error) (CODE_MISC)
psfMag_u	20.119	mag	(i) [4/35] PSF magnitude in u band (psfMag_u) (Note 4)   (phot.mag;em.opt.U) (PHOT_SDSS_U)
psfMag_g	19.157	mag	[3.7/37] PSF magnitude in g band (psfMag_g) (Note 4)   (phot.mag;em.opt.B) (PHOT_SDSS_G)
psfMag_r	18.998	mag	[3.8/36] PSF magnitude in r band (psfMag_r) (Note 4)   (phot.mag;em.opt.R) (PHOT_SDSS_R)
psfMag_i	19.040	mag	[2.6/34] PSF magnitude in i band (psfMag_i) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_I)
psfMag_z	19.005	mag	[3.8/33.3] PSF magnitude in z band (psfMag_z) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_Z)
psfMagErr_u	0.043	mag	[1.5e-5/100] Mean error on upmag (psfMagErr_u) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_g	0.017	mag	Mean error on gpmag (psfMagErr_g) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_r	0.018	mag	Mean error on rpmag (psfMagErr_r) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_i	0.020	mag	Mean error on ipmag (psfMagErr_i) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_z	0.040	mag	Mean error on zpmag (psfMagErr_z) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMag_u	20.190	mag	[-0.4/47.2] Petrosian magnitude in u band (petroMag_u) (Note 4)   (phot.mag;em.opt.U) (PHOT_SDSS_U)
petroMag_g	19.191	mag	[3.7/48] Petrosian magnitude in g band (petroMag_g) (Note 4)   (phot.mag;em.opt.B) (PHOT_SDSS_G)
petroMag_r	19.056	mag	[1.3/48.6] Petrosian magnitude in r band (petroMag_r) (Note 4)   (phot.mag;em.opt.R) (PHOT_SDSS_R)
petroMag_i	19.079	mag	[2.6/48.4] Petrosian magnitude in i band (petroMag_i) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_I)
petroMag_z	19.268	mag	[-2.9/45.1] Petrosian magnitude in z band (petroMag_z) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_Z)
petroMagErr_u	0.056	mag	[1e-7/100] Mean error in uPmag (petroMagErr_u) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_g	0.011	mag	[9.1e-9/100] Mean error in gPmag (petroMagErr_g) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_r	0.014	mag	Mean error in rPmag (petroMagErr_r) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_i	0.020	mag	Mean error in iPmag (petroMagErr_i) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_z	0.091	mag	Mean error in zPmag (petroMagErr_z) (Note 4)   (stat.error;phot.mag) (ERROR)
petroRad_u	1.166	arcsec	[1.2e-6/261] Petrosian radius in u band (petroRad_u) (phys.angSize;src) (EXTENSION_RAD)
petroRad_g	1.221	arcsec	[2.3e-6/261] Petrosian radius in g band (petroRad_g) (phys.angSize;src) (EXTENSION_RAD)
petroRad_r	1.013	arcsec	[4.9e-6/260] Petrosian radius in r band (petroRad_r) (phys.angSize;src) (EXTENSION_RAD)
petroRad_i	0.848	arcsec	[2.2e-6/263] Petrosian radius in i band (petroRad_i) (phys.angSize;src) (EXTENSION_RAD)
petroRad_z	0.892	arcsec	[8.3e-7/261] Petrosian radius in z band (petroRad_z) (phys.angSize;src) (EXTENSION_RAD)
petroRadErr_u	0.157	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_u) (stat.error) (ERROR)
petroRadErr_g	0.017	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_g) (stat.error) (ERROR)
petroRadErr_r	0.023	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_r) (stat.error) (ERROR)
petroRadErr_i	0.028	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_i) (stat.error) (ERROR)
petroRadErr_z	0.057	arcsec	[-1000/257] Mean error in rPrad (petroRadErr_z) (stat.error) (ERROR)
deVRad_u	0.000	arcsec	[0/257] De Vaucouleurs fit radius u band (deVRad_u) (phys.angSize;src) (EXTENSION_RAD)
deVRad_g	0.069	arcsec	[0/238] De Vaucouleurs fit radius g band (deVRad_g) (phys.angSize;src) (EXTENSION_RAD)
deVRad_r	0.001	arcsec	[0/238] De Vaucouleurs fit radius r band (deVRad_r) (phys.angSize;src) (EXTENSION_RAD)
deVRad_i	0.025	arcsec	[0/232] De Vaucouleurs fit radius i band (deVRad_i) (phys.angSize;src) (EXTENSION_RAD)
deVRad_z	0.001	arcsec	[0/238] De Vaucouleurs fit radius z band (deVRad_z) (phys.angSize;src) (EXTENSION_RAD)
deVAB_u	0.214		[0.05/1] De Vaucouleurs fit b/a u band (deVAB_u) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_g	1.000		[0.05/1] De Vaucouleurs fit b/a g band (deVAB_g) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_r	0.872		[0.05/1] De Vaucouleurs fit b/a r band (deVAB_r) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_i	0.650		[0.05/1] De Vaucouleurs fit b/a i band (deVAB_i) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_z	0.238		[0.05/1] De Vaucouleurs fit b/a z band (deVAB_z) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVPhi_u	46.3	deg	[-10105/271] Position angle of dVrad in u band (deVPhi_u) (pos.posAng) (POS_POS-ANG)
deVPhi_g	73.8	deg	[-10105/271] Position angle of dVrad in g band (deVPhi_g) (pos.posAng) (POS_POS-ANG)
deVPhi_r	104.1	deg	[-10105/271] Position angle of dVrad in r band (deVPhi_r) (pos.posAng) (POS_POS-ANG)
deVPhi_i	105.6	deg	[-10105/271] Position angle of dVrad in i band (deVPhi_i) (pos.posAng) (POS_POS-ANG)
deVPhi_z	135.5	deg	[-10105/271] Position angle of dVrad in z band (deVPhi_z) (pos.posAng) (POS_POS-ANG)
flags_u	275146375168		Detection flags u band (flags_u) (Note 3)   (meta.code) (CODE_MISC)
flags_g	268468224		Detection flags g band (flags_g) (Note 3)   (meta.code) (CODE_MISC)
flags_r	4503599895838720		Detection flags r band (flags_r) (Note 3)   (meta.code) (CODE_MISC)
flags_i	275146375168		Detection flags i band (flags_i) (Note 3)   (meta.code) (CODE_MISC)
flags_z	275280592896		Detection flags z band (flags_z) (Note 3)   (meta.code) (CODE_MISC)
type_u	6		[0/8] Phototype in u band (6=Star ; 3=galaxy) (type_u) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_g	6		[0/8] Phototype in i band (6=Star ; 3=galaxy) (type_g) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_r	6		[0/8] Phototype in r band (6=Star ; 3=galaxy) (type_r) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_i	6		[0/8] Phototype in i band (6=Star ; 3=galaxy) (type_i) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_z	6		[0/8] Phototype in z band (6=Star ; 3=galaxy) (type_z) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_u	1.0		[0/1] 0=notStar 1=Star in u band (probPSF_u) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_g	1.0		[0/1] 0=notStar 1=Star in g band (probPSF_g) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_r	1.0		[0/1] 0=notStar 1=Star in r band (probPSF_r) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_i	1.0		[0/1] 0=notStar 1=Star in i band (probPSF_i) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_z	1.0		[0/1] 0=notStar 1=Star in z band (probPSF_z) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
raErr	0.004	arcsec	[0/51703] Mean error on RAdeg (raErr) (stat.error;pos.eq.ra) (ERROR)
decErr	0.004	arcsec	[0/22795] Mean error on DEdeg (decErr) (stat.error;pos.eq.dec) (ERROR)
offsetRa_u	0.04	arcsec	Offset of u position along RA (offsetRa_u) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_g	0.08	arcsec	Offset of g position along RA (offsetRa_g) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_r	0.00	arcsec	Offset of r position along RA (offsetRa_r) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_i	-0.01	arcsec	Offset of i position along RA (offsetRa_i) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_z	-0.02	arcsec	Offset of z position along RA (offsetRa_z) (pos.angDistance) (POS_EQ_RA_OFF)
offsetDec_u	0.03	arcsec	Offset of u position along Dec (offsetDec_u) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_g	0.03	arcsec	Offset of g position along Dec (offsetDec_g) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_r	0.00	arcsec	Offset of r position along Dec (offsetDec_r) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_i	-0.00	arcsec	Offset of i position along Dec (offsetDec_i) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_z	-0.02	arcsec	Offset of z position along Dec (offsetDec_z) (pos.angDistance) (POS_EQ_DEC_OFF)
parentID	1237657190908166425		Pointer to parent (if object deblended) (meta.id.parent) (ID_PARENT)
specObjID	4037607444989628416		(i) Pointer to the spectrum of object or 0 (specObjID) (Note 6)   (meta.id) (ID_ALTERNATIVE)
u	20.147	mag	(i) [4/37.3] Model magnitude in u filter AB scale (u) (Note 7)   (phot.mag;em.opt.U) (PHOT_SDSS_U)
g	19.140	mag	(i) [3.7/39.6] Model magnitude in g filter AB scale (g) (Note 7)   (phot.mag;em.opt.B) (PHOT_SDSS_G)
r	19.001	mag	(i) [3.8/40.4] Model magnitude in r filter AB scale (r) (Note 7)   (phot.mag;em.opt.R) (PHOT_SDSS_R)
i	19.028	mag	(i) [2.6/39.5] Model magnitude in i filter AB scale (i) (Note 7)   (phot.mag;em.opt.I) (PHOT_SDSS_I)
z	19.028	mag	(i) [3.5/37.2] Model magnitude in z filter AB scale (z) (Note 7)   (phot.mag;em.opt.I) (PHOT_SDSS_Z)
err_u	0.041	mag	[8.9e-8/3444] Mean error on umag (err_u) (stat.error;phot.mag) (ERROR)
err_g	0.010	mag	[3.8e-8/5955] Mean error on gmag (err_g) (stat.error;phot.mag) (ERROR)
err_r	0.011	mag	[5.2e-8/915] Mean error on rmag (err_r) (stat.error;phot.mag) (ERROR)
err_i	0.013	mag	[0/634] Mean error on imag (err_i) (stat.error;phot.mag) (ERROR)
err_z	0.042	mag	[9.4e-8/3529] Mean error on zmag (err_z) (stat.error;phot.mag) (ERROR)
resolveStatus	257		[0/4145] Decimal status (resolveStatus) (Note 5)   (meta.code) (CODE_MISC)
spec_instrument	BOSS		Spectral instrument used ("SDSS" or "BOSS") (spec_instrument) (Note 6)   (meta.id;instr) (INST_ID)
spec_sourceType	QSO		Source type (spec_sourceType) (6) (Note 8)   (src.class) (CLASS_OBJECT)
spec_z	-0.00048		(i) [-0.012/7.06] Spectroscopic final redshift (when SpObjID>0) (spec_z) (Note 6)   (src.redshift) (REDSHIFT_HC)
spec_zErr	0.00003		[-6/30689] Mean error on zsp (negative for bad fit) (spec_zErr) (Note 6)   (stat.error) (ERROR)
spec_zWarning	0		[0/902] Zwarning flag (spec_zWarning) (6) (Note 9)   (meta.code) (CODE_MISC)
spec_class	STAR		Spectroscopic class: "GALAXY"; "QSO"; "STAR" (spec_class) (Note 6)   (meta.code.class;pos.parallax.spect) (CLASS_STAR/GALAXY)
spec_subClass	B9Vn		Spectroscopic subclass (spec_subClass) (6) (Note 10)   (src.class) (CLASS_OBJECT)
spec_velDisp		km/s	[0/850] Velocity dispersion (spec_velDisp) (Note 6)   (phys.veloc.dispersion) (VELOC_DISP)
spec_velDispErr		km/s	[-7/4526] Mean error on Vdisp (spec_velDispErr) (Note 6)   (stat.error) (ERROR)
spec_snMedian			[-1927/132] Median signal-to-noise over all good pixels (spec_snMedian) (Note 6)   (em.wl.central;stat.median) (INST_S/N)
pm_match	1		[0/4] Number of USNO-B objects matched within 1arcsec (pm_match) (Note 11)   (meta.number) (NUMBER)
pm_pmRa	-4.09	mas/yr	[-6121/5519] Proper motion along Right Ascension (pm_pmRa) (Note 11)   (pos.pm;pos.eq.ra) (POS_EQ_PMRA)
pm_pmDec	-1.76	mas/yr	[-4846/4437] Proper motion along Declination (pm_pmDec) (Note 11)   (pos.pm;pos.eq.dec) (POS_EQ_PMDEC)
pm_pmRaErr	3.32	mas/yr	[0/4709] Mean error on pmRA (pm_pmRaErr) (Note 11)   (stat.error;pos.pm;pos.eq.ra) (ERROR)
pm_pmDecErr	3.32	mas/yr	[0/4709] Mean error on pmDE (pm_pmDecErr) (Note 11)   (stat.error;pos.pm;pos.eq.dec) (ERROR)
pm_sigRa	109.03	mas	[0/8662] RMS residual of proper motion fit in RA (pm_sigRa) (Note 11)   (stat.fit.residual) (FIT_RESIDUAL)
pm_sigDec	185.38	mas	[0/10625] RMS residual of proper motion fit in Dec (pm_sigDec) (Note 11)   (stat.fit.residual) (FIT_RESIDUAL)
pm_nFit	5		[0/6] Number of detections used in the pm fit including SDSS (pm_nFit) (Note 11)   (meta.number) (NUMBER)
pm_O	18.8		[-214740/70189] Magnitude from USNO-B O plate recalibrated to SDSS g (pm_O) (Note 11)   (phot.mag;em.opt.B) (PHOT_PHG_B)
pm_E	19.1		Magnitude from E plate recalibrated to SDSS r (pm_E) (Note 11)   (phot.mag;em.opt.R) (PHOT_PHG_R)
pm_J	19.2		Magnitude from J plate recalibrated to SDSS g (pm_J) (Note 11)   (phot.mag;em.opt.B) (PHOT_PHG_B)
pm_F	19.0		Magnitude from F plate recalibrated to SDSS r (pm_F) (Note 11)   (phot.mag;em.opt.R) (PHOT_PHG_R)
pm_N	0.0		Magnitude from N plate recalibrated to SDSS i (pm_N) (Note 11)   (phot.mag;em.opt.I) (PHOT_PHG_I)
photoz_z			(i) [5e-4/1] Photometric redshift estimated by robust fit to nearest neighbors in a reference set (photoz_z) (Note 12)   (src.redshift) (REDSHIFT_PHOT)
photoz_zErr			[0.003/0.3] Estimated error of the photometric redshift (photoz_zErr) (Note 12)   (stat.error) (ERROR)
photoz_nnAvgZ			[0.009/0.9] Average redshift of the nearest neighbors; if significantly different from zph this might be a better estimate than zph (photoz_nnAvgZ) (Note 12)   (src.redshift.phot) (REDSHIFT_PHOT)
photoz_chisq			[2e-12/6.3e7] Chi-square value for the minimum chi-square template fit (photoz_chisq) (Note 12)   (stat.value) (FIT_CHI2)
field_quality	3		[1/3] Quality of the observation: 1=bad; 2=barely acceptable; 3=good (field_quality) (Note 13)   (meta.code.qual;obs.param;obs) (CODE_QUALITY)
field_mjd_u	52231.2182	d	Date of observation in u band (field_mjd_u) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_g	52231.2199	d	Date of observation in g band (field_mjd_g) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_r	52231.2166	d	Date of observation in r band (field_mjd_r) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_i	52231.2174	d	Date of observation in i band (field_mjd_i) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_z	52231.2191	d	Date of observation in z band (field_mjd_z) (Note 13)   (time.epoch) (TIME_DATE)
SDSS16	SDSS J002716.16-000240.2		(i) SDSS-DR16 name based on J2000 position; provided by CDS (meta.id) (ID_ALTERNATIVE)
SDSS-ID	2728-301-3-0458-0282		(i) SDSS object identifier (run-rerun-camcol-field-object) (Note 1)   (meta.id) (ID_ALTERNATIVE)
Sp-ID	3586-55181-0474		(i) Spectroscopic Plate-MJD-Fiber identifier (plate-mjd-fiberID) (meta.id) (ID_ALTERNATIVE)
MJD	52231.2182	d	Mean observation date (average calculated by CDS from the uMJD, gMJD, rMJD, iMJD, zMJD) (time.epoch) (TIME_DATE)

Column	Value		Explain   (UCD)
_r	0.024	arcsec	Distance from center (006.817346-00.044534)[ICRS], at Epoch of catalog (MJD) (pos.angDistance) (POS_ANG_DIST_GENERAL)
_RAJ2000	00 27 16.16235	"h:m:s"	Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra) (POS_EQ_RA)
_DEJ2000	-00 02 40.3011	"d:m:s"	Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_RAB1950	00 24 42.42526	"h:m:s"	Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra) (POS_EQ_RA)
_DEB1950	-00 19 16.1472	"d:m:s"	Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_Glon	109.84398051	deg	Galactic longitude at Epoch=J0. (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lon) (POS_GAL_LON)
_Glat	-62.30054882	deg	Galactic latitude at Epoch=J0. (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lat) (POS_GAL_LAT)
objID	1237645877948252391		(i) SDSS unique object identifier (1) (links to online SDSS-DR16 data) (Note)   (meta.id;meta.main) (ID_MAIN)
ra	006.817343	deg	(i) Right Ascension of the object (ICRS) at Epoch="MJD" (ra) (pos.eq.ra;meta.main) (POS_EQ_RA_MAIN)
dec	-00.044528	deg	(i) Declination of the object (ICRS) at Epoch="MJD" (dec) (pos.eq.dec;meta.main) (POS_EQ_DEC_MAIN)
fieldID	1237645877948252160		The field this object is in (meta.note) (ID_FIELD)
mode	3		[1/4] PhotoMode (1=primary, 2=secondary, 3=family, 4=outside) (meta.code.class) (CLASS_CODE)
type	6		[0/8] Type of object (3=galaxy, 6=star) (type) (Note 2)   (src.class) (CLASS_OBJECT)
clean	0		[0/1] Clean photometry flag (1=clean; 0=unclean) (meta.code) (CODE_MISC)
flags	68987912706		Photo Object Attribute flags (Note 3)   (meta.code.error) (CODE_MISC)
psfMag_u	20.157	mag	(i) [4/35] PSF magnitude in u band (psfMag_u) (Note 4)   (phot.mag;em.opt.U) (PHOT_SDSS_U)
psfMag_g	19.124	mag	[3.7/37] PSF magnitude in g band (psfMag_g) (Note 4)   (phot.mag;em.opt.B) (PHOT_SDSS_G)
psfMag_r	19.044	mag	[3.8/36] PSF magnitude in r band (psfMag_r) (Note 4)   (phot.mag;em.opt.R) (PHOT_SDSS_R)
psfMag_i	18.992	mag	[2.6/34] PSF magnitude in i band (psfMag_i) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_I)
psfMag_z	19.092	mag	[3.8/33.3] PSF magnitude in z band (psfMag_z) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_Z)
psfMagErr_u	0.039	mag	[1.5e-5/100] Mean error on upmag (psfMagErr_u) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_g	0.015	mag	Mean error on gpmag (psfMagErr_g) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_r	0.016	mag	Mean error on rpmag (psfMagErr_r) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_i	0.021	mag	Mean error on ipmag (psfMagErr_i) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_z	0.060	mag	Mean error on zpmag (psfMagErr_z) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMag_u	20.078	mag	[-0.4/47.2] Petrosian magnitude in u band (petroMag_u) (Note 4)   (phot.mag;em.opt.U) (PHOT_SDSS_U)
petroMag_g	19.155	mag	[3.7/48] Petrosian magnitude in g band (petroMag_g) (Note 4)   (phot.mag;em.opt.B) (PHOT_SDSS_G)
petroMag_r	19.073	mag	[1.3/48.6] Petrosian magnitude in r band (petroMag_r) (Note 4)   (phot.mag;em.opt.R) (PHOT_SDSS_R)
petroMag_i	19.076	mag	[2.6/48.4] Petrosian magnitude in i band (petroMag_i) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_I)
petroMag_z	18.946	mag	[-2.9/45.1] Petrosian magnitude in z band (petroMag_z) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_Z)
petroMagErr_u	0.056	mag	[1e-7/100] Mean error in uPmag (petroMagErr_u) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_g	0.013	mag	[9.1e-9/100] Mean error in gPmag (petroMagErr_g) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_r	0.017	mag	Mean error in rPmag (petroMagErr_r) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_i	0.027	mag	Mean error in iPmag (petroMagErr_i) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_z	0.102	mag	Mean error in zPmag (petroMagErr_z) (Note 4)   (stat.error;phot.mag) (ERROR)
petroRad_u	1.660	arcsec	[1.2e-6/261] Petrosian radius in u band (petroRad_u) (phys.angSize;src) (EXTENSION_RAD)
petroRad_g	1.465	arcsec	[2.3e-6/261] Petrosian radius in g band (petroRad_g) (phys.angSize;src) (EXTENSION_RAD)
petroRad_r	1.283	arcsec	[4.9e-6/260] Petrosian radius in r band (petroRad_r) (phys.angSize;src) (EXTENSION_RAD)
petroRad_i	1.372	arcsec	[2.2e-6/263] Petrosian radius in i band (petroRad_i) (phys.angSize;src) (EXTENSION_RAD)
petroRad_z	4.182	arcsec	[8.3e-7/261] Petrosian radius in z band (petroRad_z) (phys.angSize;src) (EXTENSION_RAD)
petroRadErr_u	1.320	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_u) (stat.error) (ERROR)
petroRadErr_g	0.024	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_g) (stat.error) (ERROR)
petroRadErr_r	0.029	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_r) (stat.error) (ERROR)
petroRadErr_i	0.031	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_i) (stat.error) (ERROR)
petroRadErr_z	2.827	arcsec	[-1000/257] Mean error in rPrad (petroRadErr_z) (stat.error) (ERROR)
deVRad_u	0.252	arcsec	[0/257] De Vaucouleurs fit radius u band (deVRad_u) (phys.angSize;src) (EXTENSION_RAD)
deVRad_g	0.015	arcsec	[0/238] De Vaucouleurs fit radius g band (deVRad_g) (phys.angSize;src) (EXTENSION_RAD)
deVRad_r	0.065	arcsec	[0/238] De Vaucouleurs fit radius r band (deVRad_r) (phys.angSize;src) (EXTENSION_RAD)
deVRad_i	0.009	arcsec	[0/232] De Vaucouleurs fit radius i band (deVRad_i) (phys.angSize;src) (EXTENSION_RAD)
deVRad_z	0.249	arcsec	[0/238] De Vaucouleurs fit radius z band (deVRad_z) (phys.angSize;src) (EXTENSION_RAD)
deVAB_u	0.100		[0.05/1] De Vaucouleurs fit b/a u band (deVAB_u) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_g	1.000		[0.05/1] De Vaucouleurs fit b/a g band (deVAB_g) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_r	0.727		[0.05/1] De Vaucouleurs fit b/a r band (deVAB_r) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_i	0.737		[0.05/1] De Vaucouleurs fit b/a i band (deVAB_i) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_z	0.432		[0.05/1] De Vaucouleurs fit b/a z band (deVAB_z) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVPhi_u	100.9	deg	[-10105/271] Position angle of dVrad in u band (deVPhi_u) (pos.posAng) (POS_POS-ANG)
deVPhi_g	105.9	deg	[-10105/271] Position angle of dVrad in g band (deVPhi_g) (pos.posAng) (POS_POS-ANG)
deVPhi_r	104.2	deg	[-10105/271] Position angle of dVrad in r band (deVPhi_r) (pos.posAng) (POS_POS-ANG)
deVPhi_i	136.0	deg	[-10105/271] Position angle of dVrad in i band (deVPhi_i) (pos.posAng) (POS_POS-ANG)
deVPhi_z	94.6	deg	[-10105/271] Position angle of dVrad in z band (deVPhi_z) (pos.posAng) (POS_POS-ANG)
flags_u	275146375168		Detection flags u band (flags_u) (Note 3)   (meta.code) (CODE_MISC)
flags_g	275146375170		Detection flags g band (flags_g) (Note 3)   (meta.code) (CODE_MISC)
flags_r	4503874773745666		Detection flags r band (flags_r) (Note 3)   (meta.code) (CODE_MISC)
flags_i	275146375170		Detection flags i band (flags_i) (Note 3)   (meta.code) (CODE_MISC)
flags_z	275146375680		Detection flags z band (flags_z) (Note 3)   (meta.code) (CODE_MISC)
type_u	6		[0/8] Phototype in u band (6=Star ; 3=galaxy) (type_u) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_g	6		[0/8] Phototype in i band (6=Star ; 3=galaxy) (type_g) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_r	6		[0/8] Phototype in r band (6=Star ; 3=galaxy) (type_r) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_i	6		[0/8] Phototype in i band (6=Star ; 3=galaxy) (type_i) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_z	6		[0/8] Phototype in z band (6=Star ; 3=galaxy) (type_z) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_u	1.0		[0/1] 0=notStar 1=Star in u band (probPSF_u) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_g	1.0		[0/1] 0=notStar 1=Star in g band (probPSF_g) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_r	1.0		[0/1] 0=notStar 1=Star in r band (probPSF_r) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_i	1.0		[0/1] 0=notStar 1=Star in i band (probPSF_i) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_z	1.0		[0/1] 0=notStar 1=Star in z band (probPSF_z) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
raErr	0.007	arcsec	[0/51703] Mean error on RAdeg (raErr) (stat.error;pos.eq.ra) (ERROR)
decErr	0.006	arcsec	[0/22795] Mean error on DEdeg (decErr) (stat.error;pos.eq.dec) (ERROR)
offsetRa_u	-0.05	arcsec	Offset of u position along RA (offsetRa_u) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_g	-0.03	arcsec	Offset of g position along RA (offsetRa_g) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_r	0.00	arcsec	Offset of r position along RA (offsetRa_r) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_i	0.00	arcsec	Offset of i position along RA (offsetRa_i) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_z	-0.06	arcsec	Offset of z position along RA (offsetRa_z) (pos.angDistance) (POS_EQ_RA_OFF)
offsetDec_u	-0.06	arcsec	Offset of u position along Dec (offsetDec_u) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_g	0.04	arcsec	Offset of g position along Dec (offsetDec_g) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_r	0.00	arcsec	Offset of r position along Dec (offsetDec_r) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_i	-0.02	arcsec	Offset of i position along Dec (offsetDec_i) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_z	-0.01	arcsec	Offset of z position along Dec (offsetDec_z) (pos.angDistance) (POS_EQ_DEC_OFF)
parentID	0		Pointer to parent (if object deblended) (meta.id.parent) (ID_PARENT)
specObjID	0		(i) Pointer to the spectrum of object or 0 (specObjID) (Note 6)   (meta.id) (ID_ALTERNATIVE)
u	20.120	mag	(i) [4/37.3] Model magnitude in u filter AB scale (u) (Note 7)   (phot.mag;em.opt.U) (PHOT_SDSS_U)
g	19.116	mag	(i) [3.7/39.6] Model magnitude in g filter AB scale (g) (Note 7)   (phot.mag;em.opt.B) (PHOT_SDSS_G)
r	19.020	mag	(i) [3.8/40.4] Model magnitude in r filter AB scale (r) (Note 7)   (phot.mag;em.opt.R) (PHOT_SDSS_R)
i	18.990	mag	(i) [2.6/39.5] Model magnitude in i filter AB scale (i) (Note 7)   (phot.mag;em.opt.I) (PHOT_SDSS_I)
z	19.036	mag	(i) [3.5/37.2] Model magnitude in z filter AB scale (z) (Note 7)   (phot.mag;em.opt.I) (PHOT_SDSS_Z)
err_u	0.041	mag	[8.9e-8/3444] Mean error on umag (err_u) (stat.error;phot.mag) (ERROR)
err_g	0.010	mag	[3.8e-8/5955] Mean error on gmag (err_g) (stat.error;phot.mag) (ERROR)
err_r	0.011	mag	[5.2e-8/915] Mean error on rmag (err_r) (stat.error;phot.mag) (ERROR)
err_i	0.016	mag	[0/634] Mean error on imag (err_i) (stat.error;phot.mag) (ERROR)
err_z	0.058	mag	[9.4e-8/3529] Mean error on zmag (err_z) (stat.error;phot.mag) (ERROR)
resolveStatus	8		[0/4145] Decimal status (resolveStatus) (Note 5)   (meta.code) (CODE_MISC)
spec_instrument			Spectral instrument used ("SDSS" or "BOSS") (spec_instrument) (Note 6)   (meta.id;instr) (INST_ID)
spec_sourceType			Source type (spec_sourceType) (6) (Note 8)   (src.class) (CLASS_OBJECT)
spec_z			(i) [-0.012/7.06] Spectroscopic final redshift (when SpObjID>0) (spec_z) (Note 6)   (src.redshift) (REDSHIFT_HC)
spec_zErr			[-6/30689] Mean error on zsp (negative for bad fit) (spec_zErr) (Note 6)   (stat.error) (ERROR)
spec_zWarning			[0/902] Zwarning flag (spec_zWarning) (6) (Note 9)   (meta.code) (CODE_MISC)
spec_class			Spectroscopic class: "GALAXY"; "QSO"; "STAR" (spec_class) (Note 6)   (meta.code.class;pos.parallax.spect) (CLASS_STAR/GALAXY)
spec_subClass			Spectroscopic subclass (spec_subClass) (6) (Note 10)   (src.class) (CLASS_OBJECT)
spec_velDisp		km/s	[0/850] Velocity dispersion (spec_velDisp) (Note 6)   (phys.veloc.dispersion) (VELOC_DISP)
spec_velDispErr		km/s	[-7/4526] Mean error on Vdisp (spec_velDispErr) (Note 6)   (stat.error) (ERROR)
spec_snMedian			[-1927/132] Median signal-to-noise over all good pixels (spec_snMedian) (Note 6)   (em.wl.central;stat.median) (INST_S/N)
pm_match			[0/4] Number of USNO-B objects matched within 1arcsec (pm_match) (Note 11)   (meta.number) (NUMBER)
pm_pmRa		mas/yr	[-6121/5519] Proper motion along Right Ascension (pm_pmRa) (Note 11)   (pos.pm;pos.eq.ra) (POS_EQ_PMRA)
pm_pmDec		mas/yr	[-4846/4437] Proper motion along Declination (pm_pmDec) (Note 11)   (pos.pm;pos.eq.dec) (POS_EQ_PMDEC)
pm_pmRaErr		mas/yr	[0/4709] Mean error on pmRA (pm_pmRaErr) (Note 11)   (stat.error;pos.pm;pos.eq.ra) (ERROR)
pm_pmDecErr		mas/yr	[0/4709] Mean error on pmDE (pm_pmDecErr) (Note 11)   (stat.error;pos.pm;pos.eq.dec) (ERROR)
pm_sigRa		mas	[0/8662] RMS residual of proper motion fit in RA (pm_sigRa) (Note 11)   (stat.fit.residual) (FIT_RESIDUAL)
pm_sigDec		mas	[0/10625] RMS residual of proper motion fit in Dec (pm_sigDec) (Note 11)   (stat.fit.residual) (FIT_RESIDUAL)
pm_nFit			[0/6] Number of detections used in the pm fit including SDSS (pm_nFit) (Note 11)   (meta.number) (NUMBER)
pm_O			[-214740/70189] Magnitude from USNO-B O plate recalibrated to SDSS g (pm_O) (Note 11)   (phot.mag;em.opt.B) (PHOT_PHG_B)
pm_E			Magnitude from E plate recalibrated to SDSS r (pm_E) (Note 11)   (phot.mag;em.opt.R) (PHOT_PHG_R)
pm_J			Magnitude from J plate recalibrated to SDSS g (pm_J) (Note 11)   (phot.mag;em.opt.B) (PHOT_PHG_B)
pm_F			Magnitude from F plate recalibrated to SDSS r (pm_F) (Note 11)   (phot.mag;em.opt.R) (PHOT_PHG_R)
pm_N			Magnitude from N plate recalibrated to SDSS i (pm_N) (Note 11)   (phot.mag;em.opt.I) (PHOT_PHG_I)
photoz_z			(i) [5e-4/1] Photometric redshift estimated by robust fit to nearest neighbors in a reference set (photoz_z) (Note 12)   (src.redshift) (REDSHIFT_PHOT)
photoz_zErr			[0.003/0.3] Estimated error of the photometric redshift (photoz_zErr) (Note 12)   (stat.error) (ERROR)
photoz_nnAvgZ			[0.009/0.9] Average redshift of the nearest neighbors; if significantly different from zph this might be a better estimate than zph (photoz_nnAvgZ) (Note 12)   (src.redshift.phot) (REDSHIFT_PHOT)
photoz_chisq			[2e-12/6.3e7] Chi-square value for the minimum chi-square template fit (photoz_chisq) (Note 12)   (stat.value) (FIT_CHI2)
field_quality	3		[1/3] Quality of the observation: 1=bad; 2=barely acceptable; 3=good (field_quality) (Note 13)   (meta.code.qual;obs.param;obs) (CODE_QUALITY)
field_mjd_u	51075.3186	d	Date of observation in u band (field_mjd_u) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_g	51075.3203	d	Date of observation in g band (field_mjd_g) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_r	51075.3170	d	Date of observation in r band (field_mjd_r) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_i	51075.3178	d	Date of observation in i band (field_mjd_i) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_z	51075.3194	d	Date of observation in z band (field_mjd_z) (Note 13)   (time.epoch) (TIME_DATE)
SDSS16	SDSS J002716.16-000240.3		(i) SDSS-DR16 name based on J2000 position; provided by CDS (meta.id) (ID_ALTERNATIVE)
SDSS-ID	94-301-3-0213-0231		(i) SDSS object identifier (run-rerun-camcol-field-object) (Note 1)   (meta.id) (ID_ALTERNATIVE)
Sp-ID			(i) Spectroscopic Plate-MJD-Fiber identifier (plate-mjd-fiberID) (meta.id) (ID_ALTERNATIVE)
MJD	51075.3186	d	Mean observation date (average calculated by CDS from the uMJD, gMJD, rMJD, iMJD, zMJD) (time.epoch) (TIME_DATE)

Column	Value		Explain   (UCD)
_r	0.027	arcsec	Distance from center (006.817346-00.044534)[ICRS], at Epoch of catalog (MJD) (pos.angDistance) (POS_ANG_DIST_GENERAL)
_RAJ2000	00 27 16.16430	"h:m:s"	Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra) (POS_EQ_RA)
_DEJ2000	-00 02 40.3035	"d:m:s"	Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_RAB1950	00 24 42.42722	"h:m:s"	Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra) (POS_EQ_RA)
_DEB1950	-00 19 16.1497	"d:m:s"	Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_Glon	109.84399739	deg	Galactic longitude at Epoch=J0. (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lon) (POS_GAL_LON)
_Glat	-62.30055114	deg	Galactic latitude at Epoch=J0. (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lat) (POS_GAL_LAT)
objID	1237663203843375322		(i) SDSS unique object identifier (1) (links to online SDSS-DR16 data) (Note)   (meta.id;meta.main) (ID_MAIN)
ra	006.817351	deg	(i) Right Ascension of the object (ICRS) at Epoch="MJD" (ra) (pos.eq.ra;meta.main) (POS_EQ_RA_MAIN)
dec	-00.044529	deg	(i) Declination of the object (ICRS) at Epoch="MJD" (dec) (pos.eq.dec;meta.main) (POS_EQ_DEC_MAIN)
fieldID	1237663203843375104		The field this object is in (meta.note) (ID_FIELD)
mode	4		[1/4] PhotoMode (1=primary, 2=secondary, 3=family, 4=outside) (meta.code.class) (CLASS_CODE)
type	6		[0/8] Type of object (3=galaxy, 6=star) (type) (Note 2)   (src.class) (CLASS_OBJECT)
clean	0		[0/1] Clean photometry flag (1=clean; 0=unclean) (meta.code) (CODE_MISC)
flags	68987912452		Photo Object Attribute flags (Note 3)   (meta.code.error) (CODE_MISC)
psfMag_u		mag	(i) [4/35] PSF magnitude in u band (psfMag_u) (Note 4)   (phot.mag;em.opt.U) (PHOT_SDSS_U)
psfMag_g		mag	[3.7/37] PSF magnitude in g band (psfMag_g) (Note 4)   (phot.mag;em.opt.B) (PHOT_SDSS_G)
psfMag_r	19.013	mag	[3.8/36] PSF magnitude in r band (psfMag_r) (Note 4)   (phot.mag;em.opt.R) (PHOT_SDSS_R)
psfMag_i	18.988	mag	[2.6/34] PSF magnitude in i band (psfMag_i) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_I)
psfMag_z		mag	[3.8/33.3] PSF magnitude in z band (psfMag_z) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_Z)
psfMagErr_u		mag	[1.5e-5/100] Mean error on upmag (psfMagErr_u) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_g		mag	Mean error on gpmag (psfMagErr_g) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_r	0.016	mag	Mean error on rpmag (psfMagErr_r) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_i	0.018	mag	Mean error on ipmag (psfMagErr_i) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_z		mag	Mean error on zpmag (psfMagErr_z) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMag_u		mag	[-0.4/47.2] Petrosian magnitude in u band (petroMag_u) (Note 4)   (phot.mag;em.opt.U) (PHOT_SDSS_U)
petroMag_g		mag	[3.7/48] Petrosian magnitude in g band (petroMag_g) (Note 4)   (phot.mag;em.opt.B) (PHOT_SDSS_G)
petroMag_r	19.079	mag	[1.3/48.6] Petrosian magnitude in r band (petroMag_r) (Note 4)   (phot.mag;em.opt.R) (PHOT_SDSS_R)
petroMag_i	19.091	mag	[2.6/48.4] Petrosian magnitude in i band (petroMag_i) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_I)
petroMag_z		mag	[-2.9/45.1] Petrosian magnitude in z band (petroMag_z) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_Z)
petroMagErr_u		mag	[1e-7/100] Mean error in uPmag (petroMagErr_u) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_g		mag	[9.1e-9/100] Mean error in gPmag (petroMagErr_g) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_r	0.016	mag	Mean error in rPmag (petroMagErr_r) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_i	0.024	mag	Mean error in iPmag (petroMagErr_i) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_z		mag	Mean error in zPmag (petroMagErr_z) (Note 4)   (stat.error;phot.mag) (ERROR)
petroRad_u	2.970	arcsec	[1.2e-6/261] Petrosian radius in u band (petroRad_u) (phys.angSize;src) (EXTENSION_RAD)
petroRad_g	2.970	arcsec	[2.3e-6/261] Petrosian radius in g band (petroRad_g) (phys.angSize;src) (EXTENSION_RAD)
petroRad_r	1.176	arcsec	[4.9e-6/260] Petrosian radius in r band (petroRad_r) (phys.angSize;src) (EXTENSION_RAD)
petroRad_i	1.112	arcsec	[2.2e-6/263] Petrosian radius in i band (petroRad_i) (phys.angSize;src) (EXTENSION_RAD)
petroRad_z	2.970	arcsec	[8.3e-7/261] Petrosian radius in z band (petroRad_z) (phys.angSize;src) (EXTENSION_RAD)
petroRadErr_u		arcsec	[-1000/259] Mean error in rPrad (petroRadErr_u) (stat.error) (ERROR)
petroRadErr_g		arcsec	[-1000/259] Mean error in rPrad (petroRadErr_g) (stat.error) (ERROR)
petroRadErr_r	0.031	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_r) (stat.error) (ERROR)
petroRadErr_i	0.029	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_i) (stat.error) (ERROR)
petroRadErr_z		arcsec	[-1000/257] Mean error in rPrad (petroRadErr_z) (stat.error) (ERROR)
deVRad_u		arcsec	[0/257] De Vaucouleurs fit radius u band (deVRad_u) (phys.angSize;src) (EXTENSION_RAD)
deVRad_g		arcsec	[0/238] De Vaucouleurs fit radius g band (deVRad_g) (phys.angSize;src) (EXTENSION_RAD)
deVRad_r	0.000	arcsec	[0/238] De Vaucouleurs fit radius r band (deVRad_r) (phys.angSize;src) (EXTENSION_RAD)
deVRad_i	0.000	arcsec	[0/232] De Vaucouleurs fit radius i band (deVRad_i) (phys.angSize;src) (EXTENSION_RAD)
deVRad_z		arcsec	[0/238] De Vaucouleurs fit radius z band (deVRad_z) (phys.angSize;src) (EXTENSION_RAD)
deVAB_u			[0.05/1] De Vaucouleurs fit b/a u band (deVAB_u) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_g			[0.05/1] De Vaucouleurs fit b/a g band (deVAB_g) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_r	0.650		[0.05/1] De Vaucouleurs fit b/a r band (deVAB_r) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_i	0.541		[0.05/1] De Vaucouleurs fit b/a i band (deVAB_i) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_z			[0.05/1] De Vaucouleurs fit b/a z band (deVAB_z) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVPhi_u	-9999.0	deg	[-10105/271] Position angle of dVrad in u band (deVPhi_u) (pos.posAng) (POS_POS-ANG)
deVPhi_g	-9999.0	deg	[-10105/271] Position angle of dVrad in g band (deVPhi_g) (pos.posAng) (POS_POS-ANG)
deVPhi_r	101.8	deg	[-10105/271] Position angle of dVrad in r band (deVPhi_r) (pos.posAng) (POS_POS-ANG)
deVPhi_i	71.3	deg	[-10105/271] Position angle of dVrad in i band (deVPhi_i) (pos.posAng) (POS_POS-ANG)
deVPhi_z	-9999.0	deg	[-10105/271] Position angle of dVrad in z band (deVPhi_z) (pos.posAng) (POS_POS-ANG)
flags_u	275146342788		Detection flags u band (flags_u) (Note 3)   (meta.code) (CODE_MISC)
flags_g	268435844		Detection flags g band (flags_g) (Note 3)   (meta.code) (CODE_MISC)
flags_r	4503599895838720		Detection flags r band (flags_r) (Note 3)   (meta.code) (CODE_MISC)
flags_i	275146375168		Detection flags i band (flags_i) (Note 3)   (meta.code) (CODE_MISC)
flags_z	275146342788		Detection flags z band (flags_z) (Note 3)   (meta.code) (CODE_MISC)
type_u	0		[0/8] Phototype in u band (6=Star ; 3=galaxy) (type_u) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_g	0		[0/8] Phototype in i band (6=Star ; 3=galaxy) (type_g) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_r	6		[0/8] Phototype in r band (6=Star ; 3=galaxy) (type_r) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_i	6		[0/8] Phototype in i band (6=Star ; 3=galaxy) (type_i) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_z	0		[0/8] Phototype in z band (6=Star ; 3=galaxy) (type_z) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_u			[0/1] 0=notStar 1=Star in u band (probPSF_u) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_g			[0/1] 0=notStar 1=Star in g band (probPSF_g) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_r	1.0		[0/1] 0=notStar 1=Star in r band (probPSF_r) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_i	1.0		[0/1] 0=notStar 1=Star in i band (probPSF_i) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_z			[0/1] 0=notStar 1=Star in z band (probPSF_z) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
raErr	0.006	arcsec	[0/51703] Mean error on RAdeg (raErr) (stat.error;pos.eq.ra) (ERROR)
decErr	0.005	arcsec	[0/22795] Mean error on DEdeg (decErr) (stat.error;pos.eq.dec) (ERROR)
offsetRa_u	0.04	arcsec	Offset of u position along RA (offsetRa_u) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_g	0.04	arcsec	Offset of g position along RA (offsetRa_g) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_r	0.00	arcsec	Offset of r position along RA (offsetRa_r) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_i	-0.01	arcsec	Offset of i position along RA (offsetRa_i) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_z	0.04	arcsec	Offset of z position along RA (offsetRa_z) (pos.angDistance) (POS_EQ_RA_OFF)
offsetDec_u	-0.06	arcsec	Offset of u position along Dec (offsetDec_u) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_g	0.04	arcsec	Offset of g position along Dec (offsetDec_g) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_r	0.00	arcsec	Offset of r position along Dec (offsetDec_r) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_i	-0.04	arcsec	Offset of i position along Dec (offsetDec_i) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_z	0.03	arcsec	Offset of z position along Dec (offsetDec_z) (pos.angDistance) (POS_EQ_DEC_OFF)
parentID	1237663203843375321		Pointer to parent (if object deblended) (meta.id.parent) (ID_PARENT)
specObjID	0		(i) Pointer to the spectrum of object or 0 (specObjID) (Note 6)   (meta.id) (ID_ALTERNATIVE)
u		mag	(i) [4/37.3] Model magnitude in u filter AB scale (u) (Note 7)   (phot.mag;em.opt.U) (PHOT_SDSS_U)
g		mag	(i) [3.7/39.6] Model magnitude in g filter AB scale (g) (Note 7)   (phot.mag;em.opt.B) (PHOT_SDSS_G)
r	19.017	mag	(i) [3.8/40.4] Model magnitude in r filter AB scale (r) (Note 7)   (phot.mag;em.opt.R) (PHOT_SDSS_R)
i	18.999	mag	(i) [2.6/39.5] Model magnitude in i filter AB scale (i) (Note 7)   (phot.mag;em.opt.I) (PHOT_SDSS_I)
z		mag	(i) [3.5/37.2] Model magnitude in z filter AB scale (z) (Note 7)   (phot.mag;em.opt.I) (PHOT_SDSS_Z)
err_u		mag	[8.9e-8/3444] Mean error on umag (err_u) (stat.error;phot.mag) (ERROR)
err_g		mag	[3.8e-8/5955] Mean error on gmag (err_g) (stat.error;phot.mag) (ERROR)
err_r	0.011	mag	[5.2e-8/915] Mean error on rmag (err_r) (stat.error;phot.mag) (ERROR)
err_i	0.015	mag	[0/634] Mean error on imag (err_i) (stat.error;phot.mag) (ERROR)
err_z		mag	[9.4e-8/3529] Mean error on zmag (err_z) (stat.error;phot.mag) (ERROR)
resolveStatus	32		[0/4145] Decimal status (resolveStatus) (Note 5)   (meta.code) (CODE_MISC)
spec_instrument			Spectral instrument used ("SDSS" or "BOSS") (spec_instrument) (Note 6)   (meta.id;instr) (INST_ID)
spec_sourceType			Source type (spec_sourceType) (6) (Note 8)   (src.class) (CLASS_OBJECT)
spec_z			(i) [-0.012/7.06] Spectroscopic final redshift (when SpObjID>0) (spec_z) (Note 6)   (src.redshift) (REDSHIFT_HC)
spec_zErr			[-6/30689] Mean error on zsp (negative for bad fit) (spec_zErr) (Note 6)   (stat.error) (ERROR)
spec_zWarning			[0/902] Zwarning flag (spec_zWarning) (6) (Note 9)   (meta.code) (CODE_MISC)
spec_class			Spectroscopic class: "GALAXY"; "QSO"; "STAR" (spec_class) (Note 6)   (meta.code.class;pos.parallax.spect) (CLASS_STAR/GALAXY)
spec_subClass			Spectroscopic subclass (spec_subClass) (6) (Note 10)   (src.class) (CLASS_OBJECT)
spec_velDisp		km/s	[0/850] Velocity dispersion (spec_velDisp) (Note 6)   (phys.veloc.dispersion) (VELOC_DISP)
spec_velDispErr		km/s	[-7/4526] Mean error on Vdisp (spec_velDispErr) (Note 6)   (stat.error) (ERROR)
spec_snMedian			[-1927/132] Median signal-to-noise over all good pixels (spec_snMedian) (Note 6)   (em.wl.central;stat.median) (INST_S/N)
pm_match			[0/4] Number of USNO-B objects matched within 1arcsec (pm_match) (Note 11)   (meta.number) (NUMBER)
pm_pmRa		mas/yr	[-6121/5519] Proper motion along Right Ascension (pm_pmRa) (Note 11)   (pos.pm;pos.eq.ra) (POS_EQ_PMRA)
pm_pmDec		mas/yr	[-4846/4437] Proper motion along Declination (pm_pmDec) (Note 11)   (pos.pm;pos.eq.dec) (POS_EQ_PMDEC)
pm_pmRaErr		mas/yr	[0/4709] Mean error on pmRA (pm_pmRaErr) (Note 11)   (stat.error;pos.pm;pos.eq.ra) (ERROR)
pm_pmDecErr		mas/yr	[0/4709] Mean error on pmDE (pm_pmDecErr) (Note 11)   (stat.error;pos.pm;pos.eq.dec) (ERROR)
pm_sigRa		mas	[0/8662] RMS residual of proper motion fit in RA (pm_sigRa) (Note 11)   (stat.fit.residual) (FIT_RESIDUAL)
pm_sigDec		mas	[0/10625] RMS residual of proper motion fit in Dec (pm_sigDec) (Note 11)   (stat.fit.residual) (FIT_RESIDUAL)
pm_nFit			[0/6] Number of detections used in the pm fit including SDSS (pm_nFit) (Note 11)   (meta.number) (NUMBER)
pm_O			[-214740/70189] Magnitude from USNO-B O plate recalibrated to SDSS g (pm_O) (Note 11)   (phot.mag;em.opt.B) (PHOT_PHG_B)
pm_E			Magnitude from E plate recalibrated to SDSS r (pm_E) (Note 11)   (phot.mag;em.opt.R) (PHOT_PHG_R)
pm_J			Magnitude from J plate recalibrated to SDSS g (pm_J) (Note 11)   (phot.mag;em.opt.B) (PHOT_PHG_B)
pm_F			Magnitude from F plate recalibrated to SDSS r (pm_F) (Note 11)   (phot.mag;em.opt.R) (PHOT_PHG_R)
pm_N			Magnitude from N plate recalibrated to SDSS i (pm_N) (Note 11)   (phot.mag;em.opt.I) (PHOT_PHG_I)
photoz_z			(i) [5e-4/1] Photometric redshift estimated by robust fit to nearest neighbors in a reference set (photoz_z) (Note 12)   (src.redshift) (REDSHIFT_PHOT)
photoz_zErr			[0.003/0.3] Estimated error of the photometric redshift (photoz_zErr) (Note 12)   (stat.error) (ERROR)
photoz_nnAvgZ			[0.009/0.9] Average redshift of the nearest neighbors; if significantly different from zph this might be a better estimate than zph (photoz_nnAvgZ) (Note 12)   (src.redshift.phot) (REDSHIFT_PHOT)
photoz_chisq			[2e-12/6.3e7] Chi-square value for the minimum chi-square template fit (photoz_chisq) (Note 12)   (stat.value) (FIT_CHI2)
field_quality	3		[1/3] Quality of the observation: 1=bad; 2=barely acceptable; 3=good (field_quality) (Note 13)   (meta.code.qual;obs.param;obs) (CODE_QUALITY)
field_mjd_u	52908.3008	d	Date of observation in u band (field_mjd_u) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_g	52908.3024	d	Date of observation in g band (field_mjd_g) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_r	52908.2991	d	Date of observation in r band (field_mjd_r) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_i	52908.2999	d	Date of observation in i band (field_mjd_i) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_z	52908.3016	d	Date of observation in z band (field_mjd_z) (Note 13)   (time.epoch) (TIME_DATE)
SDSS16	SDSS J002716.16-000240.3		(i) SDSS-DR16 name based on J2000 position; provided by CDS (meta.id) (ID_ALTERNATIVE)
SDSS-ID	4128-301-3-0168-0218		(i) SDSS object identifier (run-rerun-camcol-field-object) (Note 1)   (meta.id) (ID_ALTERNATIVE)
Sp-ID			(i) Spectroscopic Plate-MJD-Fiber identifier (plate-mjd-fiberID) (meta.id) (ID_ALTERNATIVE)
MJD	52908.3008	d	Mean observation date (average calculated by CDS from the uMJD, gMJD, rMJD, iMJD, zMJD) (time.epoch) (TIME_DATE)

Column	Value		Explain   (UCD)
_r	0.028	arcsec	Distance from center (006.817346-00.044534)[ICRS], at Epoch of catalog (MJD) (pos.angDistance) (POS_ANG_DIST_GENERAL)
_RAJ2000	00 27 16.16489	"h:m:s"	Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra) (POS_EQ_RA)
_DEJ2000	-00 02 40.3229	"d:m:s"	Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_RAB1950	00 24 42.42781	"h:m:s"	Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra) (POS_EQ_RA)
_DEB1950	-00 19 16.1690	"d:m:s"	Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_Glon	109.84400024	deg	Galactic longitude at Epoch=J0. (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lon) (POS_GAL_LON)
_Glat	-62.30055688	deg	Galactic latitude at Epoch=J0. (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lat) (POS_GAL_LAT)
objID	1237666300536553611		(i) SDSS unique object identifier (1) (links to online SDSS-DR16 data) (Note)   (meta.id;meta.main) (ID_MAIN)
ra	006.817354	deg	(i) Right Ascension of the object (ICRS) at Epoch="MJD" (ra) (pos.eq.ra;meta.main) (POS_EQ_RA_MAIN)
dec	-00.044534	deg	(i) Declination of the object (ICRS) at Epoch="MJD" (dec) (pos.eq.dec;meta.main) (POS_EQ_DEC_MAIN)
fieldID	1237666300536553472		The field this object is in (meta.note) (ID_FIELD)
mode	3		[1/4] PhotoMode (1=primary, 2=secondary, 3=family, 4=outside) (meta.code.class) (CLASS_CODE)
type	6		[0/8] Type of object (3=galaxy, 6=star) (type) (Note 2)   (src.class) (CLASS_OBJECT)
clean	0		[0/1] Clean photometry flag (1=clean; 0=unclean) (meta.code) (CODE_MISC)
flags	68987912706		Photo Object Attribute flags (Note 3)   (meta.code.error) (CODE_MISC)
psfMag_u	20.072	mag	(i) [4/35] PSF magnitude in u band (psfMag_u) (Note 4)   (phot.mag;em.opt.U) (PHOT_SDSS_U)
psfMag_g	19.133	mag	[3.7/37] PSF magnitude in g band (psfMag_g) (Note 4)   (phot.mag;em.opt.B) (PHOT_SDSS_G)
psfMag_r	18.998	mag	[3.8/36] PSF magnitude in r band (psfMag_r) (Note 4)   (phot.mag;em.opt.R) (PHOT_SDSS_R)
psfMag_i	19.011	mag	[2.6/34] PSF magnitude in i band (psfMag_i) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_I)
psfMag_z	19.086	mag	[3.8/33.3] PSF magnitude in z band (psfMag_z) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_Z)
psfMagErr_u	0.045	mag	[1.5e-5/100] Mean error on upmag (psfMagErr_u) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_g	0.015	mag	Mean error on gpmag (psfMagErr_g) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_r	0.016	mag	Mean error on rpmag (psfMagErr_r) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_i	0.020	mag	Mean error on ipmag (psfMagErr_i) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_z	0.045	mag	Mean error on zpmag (psfMagErr_z) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMag_u	20.203	mag	[-0.4/47.2] Petrosian magnitude in u band (petroMag_u) (Note 4)   (phot.mag;em.opt.U) (PHOT_SDSS_U)
petroMag_g	19.161	mag	[3.7/48] Petrosian magnitude in g band (petroMag_g) (Note 4)   (phot.mag;em.opt.B) (PHOT_SDSS_G)
petroMag_r	19.034	mag	[1.3/48.6] Petrosian magnitude in r band (petroMag_r) (Note 4)   (phot.mag;em.opt.R) (PHOT_SDSS_R)
petroMag_i	19.039	mag	[2.6/48.4] Petrosian magnitude in i band (petroMag_i) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_I)
petroMag_z	19.137	mag	[-2.9/45.1] Petrosian magnitude in z band (petroMag_z) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_Z)
petroMagErr_u	0.062	mag	[1e-7/100] Mean error in uPmag (petroMagErr_u) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_g	0.012	mag	[9.1e-9/100] Mean error in gPmag (petroMagErr_g) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_r	0.014	mag	Mean error in rPmag (petroMagErr_r) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_i	0.020	mag	Mean error in iPmag (petroMagErr_i) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_z	0.083	mag	Mean error in zPmag (petroMagErr_z) (Note 4)   (stat.error;phot.mag) (ERROR)
petroRad_u	4.162	arcsec	[1.2e-6/261] Petrosian radius in u band (petroRad_u) (phys.angSize;src) (EXTENSION_RAD)
petroRad_g	1.408	arcsec	[2.3e-6/261] Petrosian radius in g band (petroRad_g) (phys.angSize;src) (EXTENSION_RAD)
petroRad_r	1.188	arcsec	[4.9e-6/260] Petrosian radius in r band (petroRad_r) (phys.angSize;src) (EXTENSION_RAD)
petroRad_i	1.215	arcsec	[2.2e-6/263] Petrosian radius in i band (petroRad_i) (phys.angSize;src) (EXTENSION_RAD)
petroRad_z	9.060	arcsec	[8.3e-7/261] Petrosian radius in z band (petroRad_z) (phys.angSize;src) (EXTENSION_RAD)
petroRadErr_u	0.482	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_u) (stat.error) (ERROR)
petroRadErr_g	0.019	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_g) (stat.error) (ERROR)
petroRadErr_r	0.023	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_r) (stat.error) (ERROR)
petroRadErr_i	0.035	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_i) (stat.error) (ERROR)
petroRadErr_z	4.612	arcsec	[-1000/257] Mean error in rPrad (petroRadErr_z) (stat.error) (ERROR)
deVRad_u	0.000	arcsec	[0/257] De Vaucouleurs fit radius u band (deVRad_u) (phys.angSize;src) (EXTENSION_RAD)
deVRad_g	0.081	arcsec	[0/238] De Vaucouleurs fit radius g band (deVRad_g) (phys.angSize;src) (EXTENSION_RAD)
deVRad_r	0.009	arcsec	[0/238] De Vaucouleurs fit radius r band (deVRad_r) (phys.angSize;src) (EXTENSION_RAD)
deVRad_i	0.065	arcsec	[0/232] De Vaucouleurs fit radius i band (deVRad_i) (phys.angSize;src) (EXTENSION_RAD)
deVRad_z	0.100	arcsec	[0/238] De Vaucouleurs fit radius z band (deVRad_z) (phys.angSize;src) (EXTENSION_RAD)
deVAB_u	0.207		[0.05/1] De Vaucouleurs fit b/a u band (deVAB_u) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_g	1.000		[0.05/1] De Vaucouleurs fit b/a g band (deVAB_g) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_r	0.998		[0.05/1] De Vaucouleurs fit b/a r band (deVAB_r) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_i	0.249		[0.05/1] De Vaucouleurs fit b/a i band (deVAB_i) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_z	0.422		[0.05/1] De Vaucouleurs fit b/a z band (deVAB_z) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVPhi_u	80.0	deg	[-10105/271] Position angle of dVrad in u band (deVPhi_u) (pos.posAng) (POS_POS-ANG)
deVPhi_g	45.2	deg	[-10105/271] Position angle of dVrad in g band (deVPhi_g) (pos.posAng) (POS_POS-ANG)
deVPhi_r	105.9	deg	[-10105/271] Position angle of dVrad in r band (deVPhi_r) (pos.posAng) (POS_POS-ANG)
deVPhi_i	78.3	deg	[-10105/271] Position angle of dVrad in i band (deVPhi_i) (pos.posAng) (POS_POS-ANG)
deVPhi_z	72.1	deg	[-10105/271] Position angle of dVrad in z band (deVPhi_z) (pos.posAng) (POS_POS-ANG)
flags_u	275163152896		Detection flags u band (flags_u) (Note 3)   (meta.code) (CODE_MISC)
flags_g	275163152386		Detection flags g band (flags_g) (Note 3)   (meta.code) (CODE_MISC)
flags_r	4503874798911490		Detection flags r band (flags_r) (Note 3)   (meta.code) (CODE_MISC)
flags_i	275297370114		Detection flags i band (flags_i) (Note 3)   (meta.code) (CODE_MISC)
flags_z	275297337856		Detection flags z band (flags_z) (Note 3)   (meta.code) (CODE_MISC)
type_u	6		[0/8] Phototype in u band (6=Star ; 3=galaxy) (type_u) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_g	6		[0/8] Phototype in i band (6=Star ; 3=galaxy) (type_g) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_r	6		[0/8] Phototype in r band (6=Star ; 3=galaxy) (type_r) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_i	6		[0/8] Phototype in i band (6=Star ; 3=galaxy) (type_i) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_z	6		[0/8] Phototype in z band (6=Star ; 3=galaxy) (type_z) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_u	1.0		[0/1] 0=notStar 1=Star in u band (probPSF_u) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_g	1.0		[0/1] 0=notStar 1=Star in g band (probPSF_g) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_r	1.0		[0/1] 0=notStar 1=Star in r band (probPSF_r) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_i	1.0		[0/1] 0=notStar 1=Star in i band (probPSF_i) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_z	1.0		[0/1] 0=notStar 1=Star in z band (probPSF_z) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
raErr	0.006	arcsec	[0/51703] Mean error on RAdeg (raErr) (stat.error;pos.eq.ra) (ERROR)
decErr	0.005	arcsec	[0/22795] Mean error on DEdeg (decErr) (stat.error;pos.eq.dec) (ERROR)
offsetRa_u	0.07	arcsec	Offset of u position along RA (offsetRa_u) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_g	0.03	arcsec	Offset of g position along RA (offsetRa_g) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_r	0.00	arcsec	Offset of r position along RA (offsetRa_r) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_i	0.03	arcsec	Offset of i position along RA (offsetRa_i) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_z	0.01	arcsec	Offset of z position along RA (offsetRa_z) (pos.angDistance) (POS_EQ_RA_OFF)
offsetDec_u	-0.01	arcsec	Offset of u position along Dec (offsetDec_u) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_g	0.07	arcsec	Offset of g position along Dec (offsetDec_g) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_r	0.00	arcsec	Offset of r position along Dec (offsetDec_r) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_i	0.00	arcsec	Offset of i position along Dec (offsetDec_i) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_z	0.01	arcsec	Offset of z position along Dec (offsetDec_z) (pos.angDistance) (POS_EQ_DEC_OFF)
parentID	0		Pointer to parent (if object deblended) (meta.id.parent) (ID_PARENT)
specObjID	0		(i) Pointer to the spectrum of object or 0 (specObjID) (Note 6)   (meta.id) (ID_ALTERNATIVE)
u	20.073	mag	(i) [4/37.3] Model magnitude in u filter AB scale (u) (Note 7)   (phot.mag;em.opt.U) (PHOT_SDSS_U)
g	19.116	mag	(i) [3.7/39.6] Model magnitude in g filter AB scale (g) (Note 7)   (phot.mag;em.opt.B) (PHOT_SDSS_G)
r	18.989	mag	(i) [3.8/40.4] Model magnitude in r filter AB scale (r) (Note 7)   (phot.mag;em.opt.R) (PHOT_SDSS_R)
i	19.001	mag	(i) [2.6/39.5] Model magnitude in i filter AB scale (i) (Note 7)   (phot.mag;em.opt.I) (PHOT_SDSS_I)
z	19.064	mag	(i) [3.5/37.2] Model magnitude in z filter AB scale (z) (Note 7)   (phot.mag;em.opt.I) (PHOT_SDSS_Z)
err_u	0.046	mag	[8.9e-8/3444] Mean error on umag (err_u) (stat.error;phot.mag) (ERROR)
err_g	0.010	mag	[3.8e-8/5955] Mean error on gmag (err_g) (stat.error;phot.mag) (ERROR)
err_r	0.011	mag	[5.2e-8/915] Mean error on rmag (err_r) (stat.error;phot.mag) (ERROR)
err_i	0.013	mag	[0/634] Mean error on imag (err_i) (stat.error;phot.mag) (ERROR)
err_z	0.045	mag	[9.4e-8/3529] Mean error on zmag (err_z) (stat.error;phot.mag) (ERROR)
resolveStatus	8		[0/4145] Decimal status (resolveStatus) (Note 5)   (meta.code) (CODE_MISC)
spec_instrument			Spectral instrument used ("SDSS" or "BOSS") (spec_instrument) (Note 6)   (meta.id;instr) (INST_ID)
spec_sourceType			Source type (spec_sourceType) (6) (Note 8)   (src.class) (CLASS_OBJECT)
spec_z			(i) [-0.012/7.06] Spectroscopic final redshift (when SpObjID>0) (spec_z) (Note 6)   (src.redshift) (REDSHIFT_HC)
spec_zErr			[-6/30689] Mean error on zsp (negative for bad fit) (spec_zErr) (Note 6)   (stat.error) (ERROR)
spec_zWarning			[0/902] Zwarning flag (spec_zWarning) (6) (Note 9)   (meta.code) (CODE_MISC)
spec_class			Spectroscopic class: "GALAXY"; "QSO"; "STAR" (spec_class) (Note 6)   (meta.code.class;pos.parallax.spect) (CLASS_STAR/GALAXY)
spec_subClass			Spectroscopic subclass (spec_subClass) (6) (Note 10)   (src.class) (CLASS_OBJECT)
spec_velDisp		km/s	[0/850] Velocity dispersion (spec_velDisp) (Note 6)   (phys.veloc.dispersion) (VELOC_DISP)
spec_velDispErr		km/s	[-7/4526] Mean error on Vdisp (spec_velDispErr) (Note 6)   (stat.error) (ERROR)
spec_snMedian			[-1927/132] Median signal-to-noise over all good pixels (spec_snMedian) (Note 6)   (em.wl.central;stat.median) (INST_S/N)
pm_match			[0/4] Number of USNO-B objects matched within 1arcsec (pm_match) (Note 11)   (meta.number) (NUMBER)
pm_pmRa		mas/yr	[-6121/5519] Proper motion along Right Ascension (pm_pmRa) (Note 11)   (pos.pm;pos.eq.ra) (POS_EQ_PMRA)
pm_pmDec		mas/yr	[-4846/4437] Proper motion along Declination (pm_pmDec) (Note 11)   (pos.pm;pos.eq.dec) (POS_EQ_PMDEC)
pm_pmRaErr		mas/yr	[0/4709] Mean error on pmRA (pm_pmRaErr) (Note 11)   (stat.error;pos.pm;pos.eq.ra) (ERROR)
pm_pmDecErr		mas/yr	[0/4709] Mean error on pmDE (pm_pmDecErr) (Note 11)   (stat.error;pos.pm;pos.eq.dec) (ERROR)
pm_sigRa		mas	[0/8662] RMS residual of proper motion fit in RA (pm_sigRa) (Note 11)   (stat.fit.residual) (FIT_RESIDUAL)
pm_sigDec		mas	[0/10625] RMS residual of proper motion fit in Dec (pm_sigDec) (Note 11)   (stat.fit.residual) (FIT_RESIDUAL)
pm_nFit			[0/6] Number of detections used in the pm fit including SDSS (pm_nFit) (Note 11)   (meta.number) (NUMBER)
pm_O			[-214740/70189] Magnitude from USNO-B O plate recalibrated to SDSS g (pm_O) (Note 11)   (phot.mag;em.opt.B) (PHOT_PHG_B)
pm_E			Magnitude from E plate recalibrated to SDSS r (pm_E) (Note 11)   (phot.mag;em.opt.R) (PHOT_PHG_R)
pm_J			Magnitude from J plate recalibrated to SDSS g (pm_J) (Note 11)   (phot.mag;em.opt.B) (PHOT_PHG_B)
pm_F			Magnitude from F plate recalibrated to SDSS r (pm_F) (Note 11)   (phot.mag;em.opt.R) (PHOT_PHG_R)
pm_N			Magnitude from N plate recalibrated to SDSS i (pm_N) (Note 11)   (phot.mag;em.opt.I) (PHOT_PHG_I)
photoz_z			(i) [5e-4/1] Photometric redshift estimated by robust fit to nearest neighbors in a reference set (photoz_z) (Note 12)   (src.redshift) (REDSHIFT_PHOT)
photoz_zErr			[0.003/0.3] Estimated error of the photometric redshift (photoz_zErr) (Note 12)   (stat.error) (ERROR)
photoz_nnAvgZ			[0.009/0.9] Average redshift of the nearest neighbors; if significantly different from zph this might be a better estimate than zph (photoz_nnAvgZ) (Note 12)   (src.redshift.phot) (REDSHIFT_PHOT)
photoz_chisq			[2e-12/6.3e7] Chi-square value for the minimum chi-square template fit (photoz_chisq) (Note 12)   (stat.value) (FIT_CHI2)
field_quality	1		[1/3] Quality of the observation: 1=bad; 2=barely acceptable; 3=good (field_quality) (Note 13)   (meta.code.qual;obs.param;obs) (CODE_QUALITY)
field_mjd_u	53270.2928	d	Date of observation in u band (field_mjd_u) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_g	53270.2945	d	Date of observation in g band (field_mjd_g) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_r	53270.2912	d	Date of observation in r band (field_mjd_r) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_i	53270.2920	d	Date of observation in i band (field_mjd_i) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_z	53270.2937	d	Date of observation in z band (field_mjd_z) (Note 13)   (time.epoch) (TIME_DATE)
SDSS16	SDSS J002716.16-000240.3		(i) SDSS-DR16 name based on J2000 position; provided by CDS (meta.id) (ID_ALTERNATIVE)
SDSS-ID	4849-301-3-0500-0139		(i) SDSS object identifier (run-rerun-camcol-field-object) (Note 1)   (meta.id) (ID_ALTERNATIVE)
Sp-ID			(i) Spectroscopic Plate-MJD-Fiber identifier (plate-mjd-fiberID) (meta.id) (ID_ALTERNATIVE)
MJD	53270.2928	d	Mean observation date (average calculated by CDS from the uMJD, gMJD, rMJD, iMJD, zMJD) (time.epoch) (TIME_DATE)

Column	Value		Explain   (UCD)
_r	0.028	arcsec	Distance from center (006.817346-00.044534)[ICRS], at Epoch of catalog (MJD) (pos.angDistance) (POS_ANG_DIST_GENERAL)
_RAJ2000	00 27 16.16540	"h:m:s"	Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra) (POS_EQ_RA)
_DEJ2000	-00 02 40.3308	"d:m:s"	Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_RAB1950	00 24 42.43998	"h:m:s"	Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra) (POS_EQ_RA)
_DEB1950	-00 19 16.0473	"d:m:s"	Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_Glon	109.84399229	deg	Galactic longitude at Epoch=J0. (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lon) (POS_GAL_LON)
_Glat	-62.30056193	deg	Galactic latitude at Epoch=J0. (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lat) (POS_GAL_LAT)
objID	1237666661307777280		(i) SDSS unique object identifier (1) (links to online SDSS-DR16 data) (Note)   (meta.id;meta.main) (ID_MAIN)
ra	006.817351	deg	(i) Right Ascension of the object (ICRS) at Epoch="MJD" (ra) (pos.eq.ra;meta.main) (POS_EQ_RA_MAIN)
dec	-00.044540	deg	(i) Declination of the object (ICRS) at Epoch="MJD" (dec) (pos.eq.dec;meta.main) (POS_EQ_DEC_MAIN)
fieldID	1237666661307777024		The field this object is in (meta.note) (ID_FIELD)
mode	2		[1/4] PhotoMode (1=primary, 2=secondary, 3=family, 4=outside) (meta.code.class) (CLASS_CODE)
type	6		[0/8] Type of object (3=galaxy, 6=star) (type) (Note 2)   (src.class) (CLASS_OBJECT)
clean	0		[0/1] Clean photometry flag (1=clean; 0=unclean) (meta.code) (CODE_MISC)
flags	68988043264		Photo Object Attribute flags (Note 3)   (meta.code.error) (CODE_MISC)
psfMag_u	20.056	mag	(i) [4/35] PSF magnitude in u band (psfMag_u) (Note 4)   (phot.mag;em.opt.U) (PHOT_SDSS_U)
psfMag_g	19.120	mag	[3.7/37] PSF magnitude in g band (psfMag_g) (Note 4)   (phot.mag;em.opt.B) (PHOT_SDSS_G)
psfMag_r	19.029	mag	[3.8/36] PSF magnitude in r band (psfMag_r) (Note 4)   (phot.mag;em.opt.R) (PHOT_SDSS_R)
psfMag_i	19.018	mag	[2.6/34] PSF magnitude in i band (psfMag_i) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_I)
psfMag_z	18.940	mag	[3.8/33.3] PSF magnitude in z band (psfMag_z) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_Z)
psfMagErr_u	0.044	mag	[1.5e-5/100] Mean error on upmag (psfMagErr_u) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_g	0.016	mag	Mean error on gpmag (psfMagErr_g) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_r	0.019	mag	Mean error on rpmag (psfMagErr_r) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_i	0.019	mag	Mean error on ipmag (psfMagErr_i) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_z	0.051	mag	Mean error on zpmag (psfMagErr_z) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMag_u	20.183	mag	[-0.4/47.2] Petrosian magnitude in u band (petroMag_u) (Note 4)   (phot.mag;em.opt.U) (PHOT_SDSS_U)
petroMag_g	19.187	mag	[3.7/48] Petrosian magnitude in g band (petroMag_g) (Note 4)   (phot.mag;em.opt.B) (PHOT_SDSS_G)
petroMag_r	19.114	mag	[1.3/48.6] Petrosian magnitude in r band (petroMag_r) (Note 4)   (phot.mag;em.opt.R) (PHOT_SDSS_R)
petroMag_i	19.162	mag	[2.6/48.4] Petrosian magnitude in i band (petroMag_i) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_I)
petroMag_z	19.067	mag	[-2.9/45.1] Petrosian magnitude in z band (petroMag_z) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_Z)
petroMagErr_u	0.069	mag	[1e-7/100] Mean error in uPmag (petroMagErr_u) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_g	0.013	mag	[9.1e-9/100] Mean error in gPmag (petroMagErr_g) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_r	0.020	mag	Mean error in rPmag (petroMagErr_r) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_i	0.031	mag	Mean error in iPmag (petroMagErr_i) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_z	0.112	mag	Mean error in zPmag (petroMagErr_z) (Note 4)   (stat.error;phot.mag) (ERROR)
petroRad_u	1.707	arcsec	[1.2e-6/261] Petrosian radius in u band (petroRad_u) (phys.angSize;src) (EXTENSION_RAD)
petroRad_g	1.679	arcsec	[2.3e-6/261] Petrosian radius in g band (petroRad_g) (phys.angSize;src) (EXTENSION_RAD)
petroRad_r	1.408	arcsec	[4.9e-6/260] Petrosian radius in r band (petroRad_r) (phys.angSize;src) (EXTENSION_RAD)
petroRad_i	1.303	arcsec	[2.2e-6/263] Petrosian radius in i band (petroRad_i) (phys.angSize;src) (EXTENSION_RAD)
petroRad_z	1.326	arcsec	[8.3e-7/261] Petrosian radius in z band (petroRad_z) (phys.angSize;src) (EXTENSION_RAD)
petroRadErr_u	0.172	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_u) (stat.error) (ERROR)
petroRadErr_g	0.028	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_g) (stat.error) (ERROR)
petroRadErr_r	0.037	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_r) (stat.error) (ERROR)
petroRadErr_i	0.026	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_i) (stat.error) (ERROR)
petroRadErr_z	0.224	arcsec	[-1000/257] Mean error in rPrad (petroRadErr_z) (stat.error) (ERROR)
deVRad_u	0.019	arcsec	[0/257] De Vaucouleurs fit radius u band (deVRad_u) (phys.angSize;src) (EXTENSION_RAD)
deVRad_g	0.072	arcsec	[0/238] De Vaucouleurs fit radius g band (deVRad_g) (phys.angSize;src) (EXTENSION_RAD)
deVRad_r	0.039	arcsec	[0/238] De Vaucouleurs fit radius r band (deVRad_r) (phys.angSize;src) (EXTENSION_RAD)
deVRad_i	0.022	arcsec	[0/232] De Vaucouleurs fit radius i band (deVRad_i) (phys.angSize;src) (EXTENSION_RAD)
deVRad_z	0.002	arcsec	[0/238] De Vaucouleurs fit radius z band (deVRad_z) (phys.angSize;src) (EXTENSION_RAD)
deVAB_u	0.050		[0.05/1] De Vaucouleurs fit b/a u band (deVAB_u) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_g	0.307		[0.05/1] De Vaucouleurs fit b/a g band (deVAB_g) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_r	0.285		[0.05/1] De Vaucouleurs fit b/a r band (deVAB_r) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_i	0.250		[0.05/1] De Vaucouleurs fit b/a i band (deVAB_i) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_z	0.148		[0.05/1] De Vaucouleurs fit b/a z band (deVAB_z) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVPhi_u	86.5	deg	[-10105/271] Position angle of dVrad in u band (deVPhi_u) (pos.posAng) (POS_POS-ANG)
deVPhi_g	47.7	deg	[-10105/271] Position angle of dVrad in g band (deVPhi_g) (pos.posAng) (POS_POS-ANG)
deVPhi_r	103.5	deg	[-10105/271] Position angle of dVrad in r band (deVPhi_r) (pos.posAng) (POS_POS-ANG)
deVPhi_i	73.8	deg	[-10105/271] Position angle of dVrad in i band (deVPhi_i) (pos.posAng) (POS_POS-ANG)
deVPhi_z	107.3	deg	[-10105/271] Position angle of dVrad in z band (deVPhi_z) (pos.posAng) (POS_POS-ANG)
flags_u	275146375168		Detection flags u band (flags_u) (Note 3)   (meta.code) (CODE_MISC)
flags_g	268468224		Detection flags g band (flags_g) (Note 3)   (meta.code) (CODE_MISC)
flags_r	4503599895838720		Detection flags r band (flags_r) (Note 3)   (meta.code) (CODE_MISC)
flags_i	275146506240		Detection flags i band (flags_i) (Note 3)   (meta.code) (CODE_MISC)
flags_z	275280592896		Detection flags z band (flags_z) (Note 3)   (meta.code) (CODE_MISC)
type_u	6		[0/8] Phototype in u band (6=Star ; 3=galaxy) (type_u) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_g	6		[0/8] Phototype in i band (6=Star ; 3=galaxy) (type_g) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_r	6		[0/8] Phototype in r band (6=Star ; 3=galaxy) (type_r) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_i	6		[0/8] Phototype in i band (6=Star ; 3=galaxy) (type_i) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_z	6		[0/8] Phototype in z band (6=Star ; 3=galaxy) (type_z) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_u	1.0		[0/1] 0=notStar 1=Star in u band (probPSF_u) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_g	1.0		[0/1] 0=notStar 1=Star in g band (probPSF_g) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_r	1.0		[0/1] 0=notStar 1=Star in r band (probPSF_r) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_i	1.0		[0/1] 0=notStar 1=Star in i band (probPSF_i) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_z	1.0		[0/1] 0=notStar 1=Star in z band (probPSF_z) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
raErr	0.008	arcsec	[0/51703] Mean error on RAdeg (raErr) (stat.error;pos.eq.ra) (ERROR)
decErr	0.008	arcsec	[0/22795] Mean error on DEdeg (decErr) (stat.error;pos.eq.dec) (ERROR)
offsetRa_u	0.01	arcsec	Offset of u position along RA (offsetRa_u) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_g	0.02	arcsec	Offset of g position along RA (offsetRa_g) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_r	0.00	arcsec	Offset of r position along RA (offsetRa_r) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_i	0.01	arcsec	Offset of i position along RA (offsetRa_i) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_z	0.02	arcsec	Offset of z position along RA (offsetRa_z) (pos.angDistance) (POS_EQ_RA_OFF)
offsetDec_u	-0.05	arcsec	Offset of u position along Dec (offsetDec_u) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_g	0.02	arcsec	Offset of g position along Dec (offsetDec_g) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_r	0.00	arcsec	Offset of r position along Dec (offsetDec_r) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_i	-0.02	arcsec	Offset of i position along Dec (offsetDec_i) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_z	0.02	arcsec	Offset of z position along Dec (offsetDec_z) (pos.angDistance) (POS_EQ_DEC_OFF)
parentID	1237666661307777279		Pointer to parent (if object deblended) (meta.id.parent) (ID_PARENT)
specObjID	0		(i) Pointer to the spectrum of object or 0 (specObjID) (Note 6)   (meta.id) (ID_ALTERNATIVE)
u	20.089	mag	(i) [4/37.3] Model magnitude in u filter AB scale (u) (Note 7)   (phot.mag;em.opt.U) (PHOT_SDSS_U)
g	19.118	mag	(i) [3.7/39.6] Model magnitude in g filter AB scale (g) (Note 7)   (phot.mag;em.opt.B) (PHOT_SDSS_G)
r	19.036	mag	(i) [3.8/40.4] Model magnitude in r filter AB scale (r) (Note 7)   (phot.mag;em.opt.R) (PHOT_SDSS_R)
i	19.028	mag	(i) [2.6/39.5] Model magnitude in i filter AB scale (i) (Note 7)   (phot.mag;em.opt.I) (PHOT_SDSS_I)
z	18.944	mag	(i) [3.5/37.2] Model magnitude in z filter AB scale (z) (Note 7)   (phot.mag;em.opt.I) (PHOT_SDSS_Z)
err_u	0.047	mag	[8.9e-8/3444] Mean error on umag (err_u) (stat.error;phot.mag) (ERROR)
err_g	0.010	mag	[3.8e-8/5955] Mean error on gmag (err_g) (stat.error;phot.mag) (ERROR)
err_r	0.012	mag	[5.2e-8/915] Mean error on rmag (err_r) (stat.error;phot.mag) (ERROR)
err_i	0.016	mag	[0/634] Mean error on imag (err_i) (stat.error;phot.mag) (ERROR)
err_z	0.051	mag	[9.4e-8/3529] Mean error on zmag (err_z) (stat.error;phot.mag) (ERROR)
resolveStatus	1025		[0/4145] Decimal status (resolveStatus) (Note 5)   (meta.code) (CODE_MISC)
spec_instrument			Spectral instrument used ("SDSS" or "BOSS") (spec_instrument) (Note 6)   (meta.id;instr) (INST_ID)
spec_sourceType			Source type (spec_sourceType) (6) (Note 8)   (src.class) (CLASS_OBJECT)
spec_z			(i) [-0.012/7.06] Spectroscopic final redshift (when SpObjID>0) (spec_z) (Note 6)   (src.redshift) (REDSHIFT_HC)
spec_zErr			[-6/30689] Mean error on zsp (negative for bad fit) (spec_zErr) (Note 6)   (stat.error) (ERROR)
spec_zWarning			[0/902] Zwarning flag (spec_zWarning) (6) (Note 9)   (meta.code) (CODE_MISC)
spec_class			Spectroscopic class: "GALAXY"; "QSO"; "STAR" (spec_class) (Note 6)   (meta.code.class;pos.parallax.spect) (CLASS_STAR/GALAXY)
spec_subClass			Spectroscopic subclass (spec_subClass) (6) (Note 10)   (src.class) (CLASS_OBJECT)
spec_velDisp		km/s	[0/850] Velocity dispersion (spec_velDisp) (Note 6)   (phys.veloc.dispersion) (VELOC_DISP)
spec_velDispErr		km/s	[-7/4526] Mean error on Vdisp (spec_velDispErr) (Note 6)   (stat.error) (ERROR)
spec_snMedian			[-1927/132] Median signal-to-noise over all good pixels (spec_snMedian) (Note 6)   (em.wl.central;stat.median) (INST_S/N)
pm_match	1		[0/4] Number of USNO-B objects matched within 1arcsec (pm_match) (Note 11)   (meta.number) (NUMBER)
pm_pmRa	-3.50	mas/yr	[-6121/5519] Proper motion along Right Ascension (pm_pmRa) (Note 11)   (pos.pm;pos.eq.ra) (POS_EQ_PMRA)
pm_pmDec	-2.59	mas/yr	[-4846/4437] Proper motion along Declination (pm_pmDec) (Note 11)   (pos.pm;pos.eq.dec) (POS_EQ_PMDEC)
pm_pmRaErr	3.08	mas/yr	[0/4709] Mean error on pmRA (pm_pmRaErr) (Note 11)   (stat.error;pos.pm;pos.eq.ra) (ERROR)
pm_pmDecErr	3.08	mas/yr	[0/4709] Mean error on pmDE (pm_pmDecErr) (Note 11)   (stat.error;pos.pm;pos.eq.dec) (ERROR)
pm_sigRa	107.45	mas	[0/8662] RMS residual of proper motion fit in RA (pm_sigRa) (Note 11)   (stat.fit.residual) (FIT_RESIDUAL)
pm_sigDec	206.62	mas	[0/10625] RMS residual of proper motion fit in Dec (pm_sigDec) (Note 11)   (stat.fit.residual) (FIT_RESIDUAL)
pm_nFit	5		[0/6] Number of detections used in the pm fit including SDSS (pm_nFit) (Note 11)   (meta.number) (NUMBER)
pm_O	18.8		[-214740/70189] Magnitude from USNO-B O plate recalibrated to SDSS g (pm_O) (Note 11)   (phot.mag;em.opt.B) (PHOT_PHG_B)
pm_E	19.1		Magnitude from E plate recalibrated to SDSS r (pm_E) (Note 11)   (phot.mag;em.opt.R) (PHOT_PHG_R)
pm_J	19.2		Magnitude from J plate recalibrated to SDSS g (pm_J) (Note 11)   (phot.mag;em.opt.B) (PHOT_PHG_B)
pm_F	19.0		Magnitude from F plate recalibrated to SDSS r (pm_F) (Note 11)   (phot.mag;em.opt.R) (PHOT_PHG_R)
pm_N	0.0		Magnitude from N plate recalibrated to SDSS i (pm_N) (Note 11)   (phot.mag;em.opt.I) (PHOT_PHG_I)
photoz_z			(i) [5e-4/1] Photometric redshift estimated by robust fit to nearest neighbors in a reference set (photoz_z) (Note 12)   (src.redshift) (REDSHIFT_PHOT)
photoz_zErr			[0.003/0.3] Estimated error of the photometric redshift (photoz_zErr) (Note 12)   (stat.error) (ERROR)
photoz_nnAvgZ			[0.009/0.9] Average redshift of the nearest neighbors; if significantly different from zph this might be a better estimate than zph (photoz_nnAvgZ) (Note 12)   (src.redshift.phot) (REDSHIFT_PHOT)
photoz_chisq			[2e-12/6.3e7] Chi-square value for the minimum chi-square template fit (photoz_chisq) (Note 12)   (stat.value) (FIT_CHI2)
field_quality	3		[1/3] Quality of the observation: 1=bad; 2=barely acceptable; 3=good (field_quality) (Note 13)   (meta.code.qual;obs.param;obs) (CODE_QUALITY)
field_mjd_u	53314.2223	d	Date of observation in u band (field_mjd_u) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_g	53314.2240	d	Date of observation in g band (field_mjd_g) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_r	53314.2206	d	Date of observation in r band (field_mjd_r) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_i	53314.2215	d	Date of observation in i band (field_mjd_i) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_z	53314.2231	d	Date of observation in z band (field_mjd_z) (Note 13)   (time.epoch) (TIME_DATE)
SDSS16	SDSS J002716.16-000240.3		(i) SDSS-DR16 name based on J2000 position; provided by CDS (meta.id) (ID_ALTERNATIVE)
SDSS-ID	4933-301-3-0408-0256		(i) SDSS object identifier (run-rerun-camcol-field-object) (Note 1)   (meta.id) (ID_ALTERNATIVE)
Sp-ID			(i) Spectroscopic Plate-MJD-Fiber identifier (plate-mjd-fiberID) (meta.id) (ID_ALTERNATIVE)
MJD	53314.2223	d	Mean observation date (average calculated by CDS from the uMJD, gMJD, rMJD, iMJD, zMJD) (time.epoch) (TIME_DATE)

Column	Value		Explain   (UCD)
_r	0.029	arcsec	Distance from center (006.817346-00.044534)[ICRS], at Epoch of catalog (MJD) (pos.angDistance) (POS_ANG_DIST_GENERAL)
_RAJ2000	00 27 16.16421	"h:m:s"	Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra) (POS_EQ_RA)
_DEJ2000	-00 02 40.3355	"d:m:s"	Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_RAB1950	00 24 42.43830	"h:m:s"	Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra) (POS_EQ_RA)
_DEB1950	-00 19 16.0144	"d:m:s"	Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_Glon	109.84398153	deg	Galactic longitude at Epoch=J0. (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lon) (POS_GAL_LON)
_Glat	-62.30056317	deg	Galactic latitude at Epoch=J0. (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lat) (POS_GAL_LAT)
objID	1237666300536553612		(i) SDSS unique object identifier (1) (links to online SDSS-DR16 data) (Note)   (meta.id;meta.main) (ID_MAIN)
ra	006.817346	deg	(i) Right Ascension of the object (ICRS) at Epoch="MJD" (ra) (pos.eq.ra;meta.main) (POS_EQ_RA_MAIN)
dec	-00.044542	deg	(i) Declination of the object (ICRS) at Epoch="MJD" (dec) (pos.eq.dec;meta.main) (POS_EQ_DEC_MAIN)
fieldID	1237666300536553472		The field this object is in (meta.note) (ID_FIELD)
mode	2		[1/4] PhotoMode (1=primary, 2=secondary, 3=family, 4=outside) (meta.code.class) (CLASS_CODE)
type	6		[0/8] Type of object (3=galaxy, 6=star) (type) (Note 2)   (src.class) (CLASS_OBJECT)
clean	0		[0/1] Clean photometry flag (1=clean; 0=unclean) (meta.code) (CODE_MISC)
flags	68987912704		Photo Object Attribute flags (Note 3)   (meta.code.error) (CODE_MISC)
psfMag_u	20.077	mag	(i) [4/35] PSF magnitude in u band (psfMag_u) (Note 4)   (phot.mag;em.opt.U) (PHOT_SDSS_U)
psfMag_g	19.134	mag	[3.7/37] PSF magnitude in g band (psfMag_g) (Note 4)   (phot.mag;em.opt.B) (PHOT_SDSS_G)
psfMag_r	19.000	mag	[3.8/36] PSF magnitude in r band (psfMag_r) (Note 4)   (phot.mag;em.opt.R) (PHOT_SDSS_R)
psfMag_i	19.011	mag	[2.6/34] PSF magnitude in i band (psfMag_i) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_I)
psfMag_z	19.093	mag	[3.8/33.3] PSF magnitude in z band (psfMag_z) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_Z)
psfMagErr_u	0.046	mag	[1.5e-5/100] Mean error on upmag (psfMagErr_u) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_g	0.015	mag	Mean error on gpmag (psfMagErr_g) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_r	0.016	mag	Mean error on rpmag (psfMagErr_r) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_i	0.020	mag	Mean error on ipmag (psfMagErr_i) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_z	0.045	mag	Mean error on zpmag (psfMagErr_z) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMag_u	20.276	mag	[-0.4/47.2] Petrosian magnitude in u band (petroMag_u) (Note 4)   (phot.mag;em.opt.U) (PHOT_SDSS_U)
petroMag_g	19.175	mag	[3.7/48] Petrosian magnitude in g band (petroMag_g) (Note 4)   (phot.mag;em.opt.B) (PHOT_SDSS_G)
petroMag_r	19.057	mag	[1.3/48.6] Petrosian magnitude in r band (petroMag_r) (Note 4)   (phot.mag;em.opt.R) (PHOT_SDSS_R)
petroMag_i	19.074	mag	[2.6/48.4] Petrosian magnitude in i band (petroMag_i) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_I)
petroMag_z	19.224	mag	[-2.9/45.1] Petrosian magnitude in z band (petroMag_z) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_Z)
petroMagErr_u	0.065	mag	[1e-7/100] Mean error in uPmag (petroMagErr_u) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_g	0.012	mag	[9.1e-9/100] Mean error in gPmag (petroMagErr_g) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_r	0.014	mag	Mean error in rPmag (petroMagErr_r) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_i	0.020	mag	Mean error in iPmag (petroMagErr_i) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_z	0.090	mag	Mean error in zPmag (petroMagErr_z) (Note 4)   (stat.error;phot.mag) (ERROR)
petroRad_u	1.472	arcsec	[1.2e-6/261] Petrosian radius in u band (petroRad_u) (phys.angSize;src) (EXTENSION_RAD)
petroRad_g	1.417	arcsec	[2.3e-6/261] Petrosian radius in g band (petroRad_g) (phys.angSize;src) (EXTENSION_RAD)
petroRad_r	1.181	arcsec	[4.9e-6/260] Petrosian radius in r band (petroRad_r) (phys.angSize;src) (EXTENSION_RAD)
petroRad_i	1.195	arcsec	[2.2e-6/263] Petrosian radius in i band (petroRad_i) (phys.angSize;src) (EXTENSION_RAD)
petroRad_z	1.212	arcsec	[8.3e-7/261] Petrosian radius in z band (petroRad_z) (phys.angSize;src) (EXTENSION_RAD)
petroRadErr_u	0.805	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_u) (stat.error) (ERROR)
petroRadErr_g	0.021	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_g) (stat.error) (ERROR)
petroRadErr_r	0.022	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_r) (stat.error) (ERROR)
petroRadErr_i	0.032	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_i) (stat.error) (ERROR)
petroRadErr_z	0.993	arcsec	[-1000/257] Mean error in rPrad (petroRadErr_z) (stat.error) (ERROR)
deVRad_u	0.000	arcsec	[0/257] De Vaucouleurs fit radius u band (deVRad_u) (phys.angSize;src) (EXTENSION_RAD)
deVRad_g	0.068	arcsec	[0/238] De Vaucouleurs fit radius g band (deVRad_g) (phys.angSize;src) (EXTENSION_RAD)
deVRad_r	0.000	arcsec	[0/238] De Vaucouleurs fit radius r band (deVRad_r) (phys.angSize;src) (EXTENSION_RAD)
deVRad_i	0.046	arcsec	[0/232] De Vaucouleurs fit radius i band (deVRad_i) (phys.angSize;src) (EXTENSION_RAD)
deVRad_z	0.067	arcsec	[0/238] De Vaucouleurs fit radius z band (deVRad_z) (phys.angSize;src) (EXTENSION_RAD)
deVAB_u	0.253		[0.05/1] De Vaucouleurs fit b/a u band (deVAB_u) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_g	1.000		[0.05/1] De Vaucouleurs fit b/a g band (deVAB_g) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_r	0.550		[0.05/1] De Vaucouleurs fit b/a r band (deVAB_r) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_i	0.366		[0.05/1] De Vaucouleurs fit b/a i band (deVAB_i) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_z	0.319		[0.05/1] De Vaucouleurs fit b/a z band (deVAB_z) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVPhi_u	80.2	deg	[-10105/271] Position angle of dVrad in u band (deVPhi_u) (pos.posAng) (POS_POS-ANG)
deVPhi_g	45.3	deg	[-10105/271] Position angle of dVrad in g band (deVPhi_g) (pos.posAng) (POS_POS-ANG)
deVPhi_r	106.0	deg	[-10105/271] Position angle of dVrad in r band (deVPhi_r) (pos.posAng) (POS_POS-ANG)
deVPhi_i	76.9	deg	[-10105/271] Position angle of dVrad in i band (deVPhi_i) (pos.posAng) (POS_POS-ANG)
deVPhi_z	73.7	deg	[-10105/271] Position angle of dVrad in z band (deVPhi_z) (pos.posAng) (POS_POS-ANG)
flags_u	275163152896		Detection flags u band (flags_u) (Note 3)   (meta.code) (CODE_MISC)
flags_g	285245440		Detection flags g band (flags_g) (Note 3)   (meta.code) (CODE_MISC)
flags_r	4503599921004544		Detection flags r band (flags_r) (Note 3)   (meta.code) (CODE_MISC)
flags_i	419463168		Detection flags i band (flags_i) (Note 3)   (meta.code) (CODE_MISC)
flags_z	275297370624		Detection flags z band (flags_z) (Note 3)   (meta.code) (CODE_MISC)
type_u	6		[0/8] Phototype in u band (6=Star ; 3=galaxy) (type_u) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_g	6		[0/8] Phototype in i band (6=Star ; 3=galaxy) (type_g) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_r	6		[0/8] Phototype in r band (6=Star ; 3=galaxy) (type_r) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_i	6		[0/8] Phototype in i band (6=Star ; 3=galaxy) (type_i) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_z	6		[0/8] Phototype in z band (6=Star ; 3=galaxy) (type_z) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_u	1.0		[0/1] 0=notStar 1=Star in u band (probPSF_u) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_g	1.0		[0/1] 0=notStar 1=Star in g band (probPSF_g) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_r	1.0		[0/1] 0=notStar 1=Star in r band (probPSF_r) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_i	1.0		[0/1] 0=notStar 1=Star in i band (probPSF_i) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_z	1.0		[0/1] 0=notStar 1=Star in z band (probPSF_z) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
raErr	0.006	arcsec	[0/51703] Mean error on RAdeg (raErr) (stat.error;pos.eq.ra) (ERROR)
decErr	0.005	arcsec	[0/22795] Mean error on DEdeg (decErr) (stat.error;pos.eq.dec) (ERROR)
offsetRa_u	0.04	arcsec	Offset of u position along RA (offsetRa_u) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_g	0.03	arcsec	Offset of g position along RA (offsetRa_g) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_r	0.00	arcsec	Offset of r position along RA (offsetRa_r) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_i	0.01	arcsec	Offset of i position along RA (offsetRa_i) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_z	0.02	arcsec	Offset of z position along RA (offsetRa_z) (pos.angDistance) (POS_EQ_RA_OFF)
offsetDec_u	-0.01	arcsec	Offset of u position along Dec (offsetDec_u) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_g	0.08	arcsec	Offset of g position along Dec (offsetDec_g) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_r	0.00	arcsec	Offset of r position along Dec (offsetDec_r) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_i	0.01	arcsec	Offset of i position along Dec (offsetDec_i) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_z	0.01	arcsec	Offset of z position along Dec (offsetDec_z) (pos.angDistance) (POS_EQ_DEC_OFF)
parentID	1237666300536553611		Pointer to parent (if object deblended) (meta.id.parent) (ID_PARENT)
specObjID	0		(i) Pointer to the spectrum of object or 0 (specObjID) (Note 6)   (meta.id) (ID_ALTERNATIVE)
u	20.111	mag	(i) [4/37.3] Model magnitude in u filter AB scale (u) (Note 7)   (phot.mag;em.opt.U) (PHOT_SDSS_U)
g	19.126	mag	(i) [3.7/39.6] Model magnitude in g filter AB scale (g) (Note 7)   (phot.mag;em.opt.B) (PHOT_SDSS_G)
r	19.001	mag	(i) [3.8/40.4] Model magnitude in r filter AB scale (r) (Note 7)   (phot.mag;em.opt.R) (PHOT_SDSS_R)
i	19.016	mag	(i) [2.6/39.5] Model magnitude in i filter AB scale (i) (Note 7)   (phot.mag;em.opt.I) (PHOT_SDSS_I)
z	19.094	mag	(i) [3.5/37.2] Model magnitude in z filter AB scale (z) (Note 7)   (phot.mag;em.opt.I) (PHOT_SDSS_Z)
err_u	0.047	mag	[8.9e-8/3444] Mean error on umag (err_u) (stat.error;phot.mag) (ERROR)
err_g	0.010	mag	[3.8e-8/5955] Mean error on gmag (err_g) (stat.error;phot.mag) (ERROR)
err_r	0.011	mag	[5.2e-8/915] Mean error on rmag (err_r) (stat.error;phot.mag) (ERROR)
err_i	0.013	mag	[0/634] Mean error on imag (err_i) (stat.error;phot.mag) (ERROR)
err_z	0.046	mag	[9.4e-8/3529] Mean error on zmag (err_z) (stat.error;phot.mag) (ERROR)
resolveStatus	1025		[0/4145] Decimal status (resolveStatus) (Note 5)   (meta.code) (CODE_MISC)
spec_instrument			Spectral instrument used ("SDSS" or "BOSS") (spec_instrument) (Note 6)   (meta.id;instr) (INST_ID)
spec_sourceType			Source type (spec_sourceType) (6) (Note 8)   (src.class) (CLASS_OBJECT)
spec_z			(i) [-0.012/7.06] Spectroscopic final redshift (when SpObjID>0) (spec_z) (Note 6)   (src.redshift) (REDSHIFT_HC)
spec_zErr			[-6/30689] Mean error on zsp (negative for bad fit) (spec_zErr) (Note 6)   (stat.error) (ERROR)
spec_zWarning			[0/902] Zwarning flag (spec_zWarning) (6) (Note 9)   (meta.code) (CODE_MISC)
spec_class			Spectroscopic class: "GALAXY"; "QSO"; "STAR" (spec_class) (Note 6)   (meta.code.class;pos.parallax.spect) (CLASS_STAR/GALAXY)
spec_subClass			Spectroscopic subclass (spec_subClass) (6) (Note 10)   (src.class) (CLASS_OBJECT)
spec_velDisp		km/s	[0/850] Velocity dispersion (spec_velDisp) (Note 6)   (phys.veloc.dispersion) (VELOC_DISP)
spec_velDispErr		km/s	[-7/4526] Mean error on Vdisp (spec_velDispErr) (Note 6)   (stat.error) (ERROR)
spec_snMedian			[-1927/132] Median signal-to-noise over all good pixels (spec_snMedian) (Note 6)   (em.wl.central;stat.median) (INST_S/N)
pm_match	1		[0/4] Number of USNO-B objects matched within 1arcsec (pm_match) (Note 11)   (meta.number) (NUMBER)
pm_pmRa	-3.35	mas/yr	[-6121/5519] Proper motion along Right Ascension (pm_pmRa) (Note 11)   (pos.pm;pos.eq.ra) (POS_EQ_PMRA)
pm_pmDec	-3.34	mas/yr	[-4846/4437] Proper motion along Declination (pm_pmDec) (Note 11)   (pos.pm;pos.eq.dec) (POS_EQ_PMDEC)
pm_pmRaErr	3.12	mas/yr	[0/4709] Mean error on pmRA (pm_pmRaErr) (Note 11)   (stat.error;pos.pm;pos.eq.ra) (ERROR)
pm_pmDecErr	3.12	mas/yr	[0/4709] Mean error on pmDE (pm_pmDecErr) (Note 11)   (stat.error;pos.pm;pos.eq.dec) (ERROR)
pm_sigRa	139.31	mas	[0/8662] RMS residual of proper motion fit in RA (pm_sigRa) (Note 11)   (stat.fit.residual) (FIT_RESIDUAL)
pm_sigDec	179.38	mas	[0/10625] RMS residual of proper motion fit in Dec (pm_sigDec) (Note 11)   (stat.fit.residual) (FIT_RESIDUAL)
pm_nFit	5		[0/6] Number of detections used in the pm fit including SDSS (pm_nFit) (Note 11)   (meta.number) (NUMBER)
pm_O	18.8		[-214740/70189] Magnitude from USNO-B O plate recalibrated to SDSS g (pm_O) (Note 11)   (phot.mag;em.opt.B) (PHOT_PHG_B)
pm_E	19.1		Magnitude from E plate recalibrated to SDSS r (pm_E) (Note 11)   (phot.mag;em.opt.R) (PHOT_PHG_R)
pm_J	19.2		Magnitude from J plate recalibrated to SDSS g (pm_J) (Note 11)   (phot.mag;em.opt.B) (PHOT_PHG_B)
pm_F	19.0		Magnitude from F plate recalibrated to SDSS r (pm_F) (Note 11)   (phot.mag;em.opt.R) (PHOT_PHG_R)
pm_N	0.0		Magnitude from N plate recalibrated to SDSS i (pm_N) (Note 11)   (phot.mag;em.opt.I) (PHOT_PHG_I)
photoz_z			(i) [5e-4/1] Photometric redshift estimated by robust fit to nearest neighbors in a reference set (photoz_z) (Note 12)   (src.redshift) (REDSHIFT_PHOT)
photoz_zErr			[0.003/0.3] Estimated error of the photometric redshift (photoz_zErr) (Note 12)   (stat.error) (ERROR)
photoz_nnAvgZ			[0.009/0.9] Average redshift of the nearest neighbors; if significantly different from zph this might be a better estimate than zph (photoz_nnAvgZ) (Note 12)   (src.redshift.phot) (REDSHIFT_PHOT)
photoz_chisq			[2e-12/6.3e7] Chi-square value for the minimum chi-square template fit (photoz_chisq) (Note 12)   (stat.value) (FIT_CHI2)
field_quality	1		[1/3] Quality of the observation: 1=bad; 2=barely acceptable; 3=good (field_quality) (Note 13)   (meta.code.qual;obs.param;obs) (CODE_QUALITY)
field_mjd_u	53270.2928	d	Date of observation in u band (field_mjd_u) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_g	53270.2945	d	Date of observation in g band (field_mjd_g) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_r	53270.2912	d	Date of observation in r band (field_mjd_r) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_i	53270.2920	d	Date of observation in i band (field_mjd_i) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_z	53270.2937	d	Date of observation in z band (field_mjd_z) (Note 13)   (time.epoch) (TIME_DATE)
SDSS16	SDSS J002716.16-000240.3		(i) SDSS-DR16 name based on J2000 position; provided by CDS (meta.id) (ID_ALTERNATIVE)
SDSS-ID	4849-301-3-0500-0140		(i) SDSS object identifier (run-rerun-camcol-field-object) (Note 1)   (meta.id) (ID_ALTERNATIVE)
Sp-ID			(i) Spectroscopic Plate-MJD-Fiber identifier (plate-mjd-fiberID) (meta.id) (ID_ALTERNATIVE)
MJD	53270.2928	d	Mean observation date (average calculated by CDS from the uMJD, gMJD, rMJD, iMJD, zMJD) (time.epoch) (TIME_DATE)

Column	Value		Explain   (UCD)
_r	0.032	arcsec	Distance from center (006.817346-00.044534)[ICRS], at Epoch of catalog (MJD) (pos.angDistance) (POS_ANG_DIST_GENERAL)
_RAJ2000	00 27 16.16432	"h:m:s"	Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra) (POS_EQ_RA)
_DEJ2000	-00 02 40.3480	"d:m:s"	Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_RAB1950	00 24 42.44067	"h:m:s"	Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra) (POS_EQ_RA)
_DEB1950	-00 19 16.0313	"d:m:s"	Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_Glon	109.84399571	deg	Galactic longitude at Epoch=J0. (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lon) (POS_GAL_LON)
_Glat	-62.30056240	deg	Galactic latitude at Epoch=J0. (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lat) (POS_GAL_LAT)
objID	1237645877948252392		(i) SDSS unique object identifier (1) (links to online SDSS-DR16 data) (Note)   (meta.id;meta.main) (ID_MAIN)
ra	006.817353	deg	(i) Right Ascension of the object (ICRS) at Epoch="MJD" (ra) (pos.eq.ra;meta.main) (POS_EQ_RA_MAIN)
dec	-00.044540	deg	(i) Declination of the object (ICRS) at Epoch="MJD" (dec) (pos.eq.dec;meta.main) (POS_EQ_DEC_MAIN)
fieldID	1237645877948252160		The field this object is in (meta.note) (ID_FIELD)
mode	2		[1/4] PhotoMode (1=primary, 2=secondary, 3=family, 4=outside) (meta.code.class) (CLASS_CODE)
type	6		[0/8] Type of object (3=galaxy, 6=star) (type) (Note 2)   (src.class) (CLASS_OBJECT)
clean	0		[0/1] Clean photometry flag (1=clean; 0=unclean) (meta.code) (CODE_MISC)
flags	68987912704		Photo Object Attribute flags (Note 3)   (meta.code.error) (CODE_MISC)
psfMag_u	20.140	mag	(i) [4/35] PSF magnitude in u band (psfMag_u) (Note 4)   (phot.mag;em.opt.U) (PHOT_SDSS_U)
psfMag_g	19.118	mag	[3.7/37] PSF magnitude in g band (psfMag_g) (Note 4)   (phot.mag;em.opt.B) (PHOT_SDSS_G)
psfMag_r	19.039	mag	[3.8/36] PSF magnitude in r band (psfMag_r) (Note 4)   (phot.mag;em.opt.R) (PHOT_SDSS_R)
psfMag_i	18.990	mag	[2.6/34] PSF magnitude in i band (psfMag_i) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_I)
psfMag_z	19.081	mag	[3.8/33.3] PSF magnitude in z band (psfMag_z) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_Z)
psfMagErr_u	0.039	mag	[1.5e-5/100] Mean error on upmag (psfMagErr_u) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_g	0.015	mag	Mean error on gpmag (psfMagErr_g) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_r	0.016	mag	Mean error on rpmag (psfMagErr_r) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_i	0.021	mag	Mean error on ipmag (psfMagErr_i) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_z	0.060	mag	Mean error on zpmag (psfMagErr_z) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMag_u	20.119	mag	[-0.4/47.2] Petrosian magnitude in u band (petroMag_u) (Note 4)   (phot.mag;em.opt.U) (PHOT_SDSS_U)
petroMag_g	19.147	mag	[3.7/48] Petrosian magnitude in g band (petroMag_g) (Note 4)   (phot.mag;em.opt.B) (PHOT_SDSS_G)
petroMag_r	19.068	mag	[1.3/48.6] Petrosian magnitude in r band (petroMag_r) (Note 4)   (phot.mag;em.opt.R) (PHOT_SDSS_R)
petroMag_i	19.078	mag	[2.6/48.4] Petrosian magnitude in i band (petroMag_i) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_I)
petroMag_z	19.031	mag	[-2.9/45.1] Petrosian magnitude in z band (petroMag_z) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_Z)
petroMagErr_u	0.058	mag	[1e-7/100] Mean error in uPmag (petroMagErr_u) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_g	0.013	mag	[9.1e-9/100] Mean error in gPmag (petroMagErr_g) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_r	0.017	mag	Mean error in rPmag (petroMagErr_r) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_i	0.027	mag	Mean error in iPmag (petroMagErr_i) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_z	0.110	mag	Mean error in zPmag (petroMagErr_z) (Note 4)   (stat.error;phot.mag) (ERROR)
petroRad_u	5.762	arcsec	[1.2e-6/261] Petrosian radius in u band (petroRad_u) (phys.angSize;src) (EXTENSION_RAD)
petroRad_g	1.495	arcsec	[2.3e-6/261] Petrosian radius in g band (petroRad_g) (phys.angSize;src) (EXTENSION_RAD)
petroRad_r	1.285	arcsec	[4.9e-6/260] Petrosian radius in r band (petroRad_r) (phys.angSize;src) (EXTENSION_RAD)
petroRad_i	1.373	arcsec	[2.2e-6/263] Petrosian radius in i band (petroRad_i) (phys.angSize;src) (EXTENSION_RAD)
petroRad_z	1.482	arcsec	[8.3e-7/261] Petrosian radius in z band (petroRad_z) (phys.angSize;src) (EXTENSION_RAD)
petroRadErr_u	1.421	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_u) (stat.error) (ERROR)
petroRadErr_g	0.023	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_g) (stat.error) (ERROR)
petroRadErr_r	0.029	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_r) (stat.error) (ERROR)
petroRadErr_i	0.031	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_i) (stat.error) (ERROR)
petroRadErr_z	1.527	arcsec	[-1000/257] Mean error in rPrad (petroRadErr_z) (stat.error) (ERROR)
deVRad_u	0.221	arcsec	[0/257] De Vaucouleurs fit radius u band (deVRad_u) (phys.angSize;src) (EXTENSION_RAD)
deVRad_g	0.020	arcsec	[0/238] De Vaucouleurs fit radius g band (deVRad_g) (phys.angSize;src) (EXTENSION_RAD)
deVRad_r	0.068	arcsec	[0/238] De Vaucouleurs fit radius r band (deVRad_r) (phys.angSize;src) (EXTENSION_RAD)
deVRad_i	0.000	arcsec	[0/232] De Vaucouleurs fit radius i band (deVRad_i) (phys.angSize;src) (EXTENSION_RAD)
deVRad_z	0.192	arcsec	[0/238] De Vaucouleurs fit radius z band (deVRad_z) (phys.angSize;src) (EXTENSION_RAD)
deVAB_u	0.091		[0.05/1] De Vaucouleurs fit b/a u band (deVAB_u) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_g	1.000		[0.05/1] De Vaucouleurs fit b/a g band (deVAB_g) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_r	0.749		[0.05/1] De Vaucouleurs fit b/a r band (deVAB_r) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_i	0.754		[0.05/1] De Vaucouleurs fit b/a i band (deVAB_i) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_z	0.250		[0.05/1] De Vaucouleurs fit b/a z band (deVAB_z) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVPhi_u	100.4	deg	[-10105/271] Position angle of dVrad in u band (deVPhi_u) (pos.posAng) (POS_POS-ANG)
deVPhi_g	105.9	deg	[-10105/271] Position angle of dVrad in g band (deVPhi_g) (pos.posAng) (POS_POS-ANG)
deVPhi_r	104.2	deg	[-10105/271] Position angle of dVrad in r band (deVPhi_r) (pos.posAng) (POS_POS-ANG)
deVPhi_i	64.1	deg	[-10105/271] Position angle of dVrad in i band (deVPhi_i) (pos.posAng) (POS_POS-ANG)
deVPhi_z	89.2	deg	[-10105/271] Position angle of dVrad in z band (deVPhi_z) (pos.posAng) (POS_POS-ANG)
flags_u	275280593408		Detection flags u band (flags_u) (Note 3)   (meta.code) (CODE_MISC)
flags_g	268468224		Detection flags g band (flags_g) (Note 3)   (meta.code) (CODE_MISC)
flags_r	4503599895838720		Detection flags r band (flags_r) (Note 3)   (meta.code) (CODE_MISC)
flags_i	268468224		Detection flags i band (flags_i) (Note 3)   (meta.code) (CODE_MISC)
flags_z	275146375680		Detection flags z band (flags_z) (Note 3)   (meta.code) (CODE_MISC)
type_u	6		[0/8] Phototype in u band (6=Star ; 3=galaxy) (type_u) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_g	6		[0/8] Phototype in i band (6=Star ; 3=galaxy) (type_g) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_r	6		[0/8] Phototype in r band (6=Star ; 3=galaxy) (type_r) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_i	6		[0/8] Phototype in i band (6=Star ; 3=galaxy) (type_i) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_z	6		[0/8] Phototype in z band (6=Star ; 3=galaxy) (type_z) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_u	1.0		[0/1] 0=notStar 1=Star in u band (probPSF_u) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_g	1.0		[0/1] 0=notStar 1=Star in g band (probPSF_g) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_r	1.0		[0/1] 0=notStar 1=Star in r band (probPSF_r) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_i	1.0		[0/1] 0=notStar 1=Star in i band (probPSF_i) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_z	1.0		[0/1] 0=notStar 1=Star in z band (probPSF_z) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
raErr	0.007	arcsec	[0/51703] Mean error on RAdeg (raErr) (stat.error;pos.eq.ra) (ERROR)
decErr	0.006	arcsec	[0/22795] Mean error on DEdeg (decErr) (stat.error;pos.eq.dec) (ERROR)
offsetRa_u	-0.05	arcsec	Offset of u position along RA (offsetRa_u) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_g	0.06	arcsec	Offset of g position along RA (offsetRa_g) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_r	0.00	arcsec	Offset of r position along RA (offsetRa_r) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_i	-0.00	arcsec	Offset of i position along RA (offsetRa_i) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_z	-0.02	arcsec	Offset of z position along RA (offsetRa_z) (pos.angDistance) (POS_EQ_RA_OFF)
offsetDec_u	-0.04	arcsec	Offset of u position along Dec (offsetDec_u) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_g	0.04	arcsec	Offset of g position along Dec (offsetDec_g) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_r	0.00	arcsec	Offset of r position along Dec (offsetDec_r) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_i	0.00	arcsec	Offset of i position along Dec (offsetDec_i) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_z	-0.00	arcsec	Offset of z position along Dec (offsetDec_z) (pos.angDistance) (POS_EQ_DEC_OFF)
parentID	1237645877948252391		Pointer to parent (if object deblended) (meta.id.parent) (ID_PARENT)
specObjID	0		(i) Pointer to the spectrum of object or 0 (specObjID) (Note 6)   (meta.id) (ID_ALTERNATIVE)
u	20.126	mag	(i) [4/37.3] Model magnitude in u filter AB scale (u) (Note 7)   (phot.mag;em.opt.U) (PHOT_SDSS_U)
g	19.113	mag	(i) [3.7/39.6] Model magnitude in g filter AB scale (g) (Note 7)   (phot.mag;em.opt.B) (PHOT_SDSS_G)
r	19.017	mag	(i) [3.8/40.4] Model magnitude in r filter AB scale (r) (Note 7)   (phot.mag;em.opt.R) (PHOT_SDSS_R)
i	18.987	mag	(i) [2.6/39.5] Model magnitude in i filter AB scale (i) (Note 7)   (phot.mag;em.opt.I) (PHOT_SDSS_I)
z	19.056	mag	(i) [3.5/37.2] Model magnitude in z filter AB scale (z) (Note 7)   (phot.mag;em.opt.I) (PHOT_SDSS_Z)
err_u	0.041	mag	[8.9e-8/3444] Mean error on umag (err_u) (stat.error;phot.mag) (ERROR)
err_g	0.010	mag	[3.8e-8/5955] Mean error on gmag (err_g) (stat.error;phot.mag) (ERROR)
err_r	0.011	mag	[5.2e-8/915] Mean error on rmag (err_r) (stat.error;phot.mag) (ERROR)
err_i	0.016	mag	[0/634] Mean error on imag (err_i) (stat.error;phot.mag) (ERROR)
err_z	0.059	mag	[9.4e-8/3529] Mean error on zmag (err_z) (stat.error;phot.mag) (ERROR)
resolveStatus	1025		[0/4145] Decimal status (resolveStatus) (Note 5)   (meta.code) (CODE_MISC)
spec_instrument			Spectral instrument used ("SDSS" or "BOSS") (spec_instrument) (Note 6)   (meta.id;instr) (INST_ID)
spec_sourceType			Source type (spec_sourceType) (6) (Note 8)   (src.class) (CLASS_OBJECT)
spec_z			(i) [-0.012/7.06] Spectroscopic final redshift (when SpObjID>0) (spec_z) (Note 6)   (src.redshift) (REDSHIFT_HC)
spec_zErr			[-6/30689] Mean error on zsp (negative for bad fit) (spec_zErr) (Note 6)   (stat.error) (ERROR)
spec_zWarning			[0/902] Zwarning flag (spec_zWarning) (6) (Note 9)   (meta.code) (CODE_MISC)
spec_class			Spectroscopic class: "GALAXY"; "QSO"; "STAR" (spec_class) (Note 6)   (meta.code.class;pos.parallax.spect) (CLASS_STAR/GALAXY)
spec_subClass			Spectroscopic subclass (spec_subClass) (6) (Note 10)   (src.class) (CLASS_OBJECT)
spec_velDisp		km/s	[0/850] Velocity dispersion (spec_velDisp) (Note 6)   (phys.veloc.dispersion) (VELOC_DISP)
spec_velDispErr		km/s	[-7/4526] Mean error on Vdisp (spec_velDispErr) (Note 6)   (stat.error) (ERROR)
spec_snMedian			[-1927/132] Median signal-to-noise over all good pixels (spec_snMedian) (Note 6)   (em.wl.central;stat.median) (INST_S/N)
pm_match	1		[0/4] Number of USNO-B objects matched within 1arcsec (pm_match) (Note 11)   (meta.number) (NUMBER)
pm_pmRa	-4.03	mas/yr	[-6121/5519] Proper motion along Right Ascension (pm_pmRa) (Note 11)   (pos.pm;pos.eq.ra) (POS_EQ_PMRA)
pm_pmDec	-3.26	mas/yr	[-4846/4437] Proper motion along Declination (pm_pmDec) (Note 11)   (pos.pm;pos.eq.dec) (POS_EQ_PMDEC)
pm_pmRaErr	3.57	mas/yr	[0/4709] Mean error on pmRA (pm_pmRaErr) (Note 11)   (stat.error;pos.pm;pos.eq.ra) (ERROR)
pm_pmDecErr	3.57	mas/yr	[0/4709] Mean error on pmDE (pm_pmDecErr) (Note 11)   (stat.error;pos.pm;pos.eq.dec) (ERROR)
pm_sigRa	113.84	mas	[0/8662] RMS residual of proper motion fit in RA (pm_sigRa) (Note 11)   (stat.fit.residual) (FIT_RESIDUAL)
pm_sigDec	189.29	mas	[0/10625] RMS residual of proper motion fit in Dec (pm_sigDec) (Note 11)   (stat.fit.residual) (FIT_RESIDUAL)
pm_nFit	5		[0/6] Number of detections used in the pm fit including SDSS (pm_nFit) (Note 11)   (meta.number) (NUMBER)
pm_O	18.9		[-214740/70189] Magnitude from USNO-B O plate recalibrated to SDSS g (pm_O) (Note 11)   (phot.mag;em.opt.B) (PHOT_PHG_B)
pm_E	19.1		Magnitude from E plate recalibrated to SDSS r (pm_E) (Note 11)   (phot.mag;em.opt.R) (PHOT_PHG_R)
pm_J	19.1		Magnitude from J plate recalibrated to SDSS g (pm_J) (Note 11)   (phot.mag;em.opt.B) (PHOT_PHG_B)
pm_F	19.0		Magnitude from F plate recalibrated to SDSS r (pm_F) (Note 11)   (phot.mag;em.opt.R) (PHOT_PHG_R)
pm_N	0.0		Magnitude from N plate recalibrated to SDSS i (pm_N) (Note 11)   (phot.mag;em.opt.I) (PHOT_PHG_I)
photoz_z			(i) [5e-4/1] Photometric redshift estimated by robust fit to nearest neighbors in a reference set (photoz_z) (Note 12)   (src.redshift) (REDSHIFT_PHOT)
photoz_zErr			[0.003/0.3] Estimated error of the photometric redshift (photoz_zErr) (Note 12)   (stat.error) (ERROR)
photoz_nnAvgZ			[0.009/0.9] Average redshift of the nearest neighbors; if significantly different from zph this might be a better estimate than zph (photoz_nnAvgZ) (Note 12)   (src.redshift.phot) (REDSHIFT_PHOT)
photoz_chisq			[2e-12/6.3e7] Chi-square value for the minimum chi-square template fit (photoz_chisq) (Note 12)   (stat.value) (FIT_CHI2)
field_quality	3		[1/3] Quality of the observation: 1=bad; 2=barely acceptable; 3=good (field_quality) (Note 13)   (meta.code.qual;obs.param;obs) (CODE_QUALITY)
field_mjd_u	51075.3186	d	Date of observation in u band (field_mjd_u) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_g	51075.3203	d	Date of observation in g band (field_mjd_g) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_r	51075.3170	d	Date of observation in r band (field_mjd_r) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_i	51075.3178	d	Date of observation in i band (field_mjd_i) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_z	51075.3194	d	Date of observation in z band (field_mjd_z) (Note 13)   (time.epoch) (TIME_DATE)
SDSS16	SDSS J002716.16-000240.3		(i) SDSS-DR16 name based on J2000 position; provided by CDS (meta.id) (ID_ALTERNATIVE)
SDSS-ID	94-301-3-0213-0232		(i) SDSS object identifier (run-rerun-camcol-field-object) (Note 1)   (meta.id) (ID_ALTERNATIVE)
Sp-ID			(i) Spectroscopic Plate-MJD-Fiber identifier (plate-mjd-fiberID) (meta.id) (ID_ALTERNATIVE)
MJD	51075.3186	d	Mean observation date (average calculated by CDS from the uMJD, gMJD, rMJD, iMJD, zMJD) (time.epoch) (TIME_DATE)

Column	Value		Explain   (UCD)
_r	0.035	arcsec	Distance from center (006.817346-00.044534)[ICRS], at Epoch of catalog (MJD) (pos.angDistance) (POS_ANG_DIST_GENERAL)
_RAJ2000	00 27 16.16466	"h:m:s"	Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra) (POS_EQ_RA)
_DEJ2000	-00 02 40.2971	"d:m:s"	Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_RAB1950	00 24 42.42757	"h:m:s"	Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra) (POS_EQ_RA)
_DEB1950	-00 19 16.1432	"d:m:s"	Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_Glon	109.84400128	deg	Galactic longitude at Epoch=J0. (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lon) (POS_GAL_LON)
_Glat	-62.30054967	deg	Galactic latitude at Epoch=J0. (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lat) (POS_GAL_LAT)
objID	1237657190908166425		(i) SDSS unique object identifier (1) (links to online SDSS-DR16 data) (Note)   (meta.id;meta.main) (ID_MAIN)
ra	006.817353	deg	(i) Right Ascension of the object (ICRS) at Epoch="MJD" (ra) (pos.eq.ra;meta.main) (POS_EQ_RA_MAIN)
dec	-00.044527	deg	(i) Declination of the object (ICRS) at Epoch="MJD" (dec) (pos.eq.dec;meta.main) (POS_EQ_DEC_MAIN)
fieldID	1237657190908166144		The field this object is in (meta.note) (ID_FIELD)
mode	3		[1/4] PhotoMode (1=primary, 2=secondary, 3=family, 4=outside) (meta.code.class) (CLASS_CODE)
type	6		[0/8] Type of object (3=galaxy, 6=star) (type) (Note 2)   (src.class) (CLASS_OBJECT)
clean	0		[0/1] Clean photometry flag (1=clean; 0=unclean) (meta.code) (CODE_MISC)
flags	281543964622850		Photo Object Attribute flags (Note 3)   (meta.code.error) (CODE_MISC)
psfMag_u	20.129	mag	(i) [4/35] PSF magnitude in u band (psfMag_u) (Note 4)   (phot.mag;em.opt.U) (PHOT_SDSS_U)
psfMag_g	19.159	mag	[3.7/37] PSF magnitude in g band (psfMag_g) (Note 4)   (phot.mag;em.opt.B) (PHOT_SDSS_G)
psfMag_r	19.001	mag	[3.8/36] PSF magnitude in r band (psfMag_r) (Note 4)   (phot.mag;em.opt.R) (PHOT_SDSS_R)
psfMag_i	19.044	mag	[2.6/34] PSF magnitude in i band (psfMag_i) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_I)
psfMag_z	19.014	mag	[3.8/33.3] PSF magnitude in z band (psfMag_z) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_Z)
psfMagErr_u	0.043	mag	[1.5e-5/100] Mean error on upmag (psfMagErr_u) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_g	0.017	mag	Mean error on gpmag (psfMagErr_g) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_r	0.018	mag	Mean error on rpmag (psfMagErr_r) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_i	0.020	mag	Mean error on ipmag (psfMagErr_i) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_z	0.040	mag	Mean error on zpmag (psfMagErr_z) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMag_u	20.174	mag	[-0.4/47.2] Petrosian magnitude in u band (petroMag_u) (Note 4)   (phot.mag;em.opt.U) (PHOT_SDSS_U)
petroMag_g	19.203	mag	[3.7/48] Petrosian magnitude in g band (petroMag_g) (Note 4)   (phot.mag;em.opt.B) (PHOT_SDSS_G)
petroMag_r	19.070	mag	[1.3/48.6] Petrosian magnitude in r band (petroMag_r) (Note 4)   (phot.mag;em.opt.R) (PHOT_SDSS_R)
petroMag_i	19.079	mag	[2.6/48.4] Petrosian magnitude in i band (petroMag_i) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_I)
petroMag_z	19.262	mag	[-2.9/45.1] Petrosian magnitude in z band (petroMag_z) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_Z)
petroMagErr_u	0.055	mag	[1e-7/100] Mean error in uPmag (petroMagErr_u) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_g	0.011	mag	[9.1e-9/100] Mean error in gPmag (petroMagErr_g) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_r	0.015	mag	Mean error in rPmag (petroMagErr_r) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_i	0.020	mag	Mean error in iPmag (petroMagErr_i) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_z	0.089	mag	Mean error in zPmag (petroMagErr_z) (Note 4)   (stat.error;phot.mag) (ERROR)
petroRad_u	1.152	arcsec	[1.2e-6/261] Petrosian radius in u band (petroRad_u) (phys.angSize;src) (EXTENSION_RAD)
petroRad_g	1.221	arcsec	[2.3e-6/261] Petrosian radius in g band (petroRad_g) (phys.angSize;src) (EXTENSION_RAD)
petroRad_r	1.001	arcsec	[4.9e-6/260] Petrosian radius in r band (petroRad_r) (phys.angSize;src) (EXTENSION_RAD)
petroRad_i	0.854	arcsec	[2.2e-6/263] Petrosian radius in i band (petroRad_i) (phys.angSize;src) (EXTENSION_RAD)
petroRad_z	0.891	arcsec	[8.3e-7/261] Petrosian radius in z band (petroRad_z) (phys.angSize;src) (EXTENSION_RAD)
petroRadErr_u	0.134	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_u) (stat.error) (ERROR)
petroRadErr_g	0.017	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_g) (stat.error) (ERROR)
petroRadErr_r	0.022	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_r) (stat.error) (ERROR)
petroRadErr_i	0.028	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_i) (stat.error) (ERROR)
petroRadErr_z	0.054	arcsec	[-1000/257] Mean error in rPrad (petroRadErr_z) (stat.error) (ERROR)
deVRad_u	0.034	arcsec	[0/257] De Vaucouleurs fit radius u band (deVRad_u) (phys.angSize;src) (EXTENSION_RAD)
deVRad_g	0.063	arcsec	[0/238] De Vaucouleurs fit radius g band (deVRad_g) (phys.angSize;src) (EXTENSION_RAD)
deVRad_r	0.000	arcsec	[0/238] De Vaucouleurs fit radius r band (deVRad_r) (phys.angSize;src) (EXTENSION_RAD)
deVRad_i	0.048	arcsec	[0/232] De Vaucouleurs fit radius i band (deVRad_i) (phys.angSize;src) (EXTENSION_RAD)
deVRad_z	0.000	arcsec	[0/238] De Vaucouleurs fit radius z band (deVRad_z) (phys.angSize;src) (EXTENSION_RAD)
deVAB_u	0.193		[0.05/1] De Vaucouleurs fit b/a u band (deVAB_u) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_g	1.000		[0.05/1] De Vaucouleurs fit b/a g band (deVAB_g) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_r	0.800		[0.05/1] De Vaucouleurs fit b/a r band (deVAB_r) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_i	0.350		[0.05/1] De Vaucouleurs fit b/a i band (deVAB_i) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_z	0.259		[0.05/1] De Vaucouleurs fit b/a z band (deVAB_z) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVPhi_u	44.6	deg	[-10105/271] Position angle of dVrad in u band (deVPhi_u) (pos.posAng) (POS_POS-ANG)
deVPhi_g	74.1	deg	[-10105/271] Position angle of dVrad in g band (deVPhi_g) (pos.posAng) (POS_POS-ANG)
deVPhi_r	104.3	deg	[-10105/271] Position angle of dVrad in r band (deVPhi_r) (pos.posAng) (POS_POS-ANG)
deVPhi_i	104.0	deg	[-10105/271] Position angle of dVrad in i band (deVPhi_i) (pos.posAng) (POS_POS-ANG)
deVPhi_z	135.1	deg	[-10105/271] Position angle of dVrad in z band (deVPhi_z) (pos.posAng) (POS_POS-ANG)
flags_u	275146375168		Detection flags u band (flags_u) (Note 3)   (meta.code) (CODE_MISC)
flags_g	275146375170		Detection flags g band (flags_g) (Note 3)   (meta.code) (CODE_MISC)
flags_r	4503874773745666		Detection flags r band (flags_r) (Note 3)   (meta.code) (CODE_MISC)
flags_i	275146375168		Detection flags i band (flags_i) (Note 3)   (meta.code) (CODE_MISC)
flags_z	275280592896		Detection flags z band (flags_z) (Note 3)   (meta.code) (CODE_MISC)
type_u	6		[0/8] Phototype in u band (6=Star ; 3=galaxy) (type_u) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_g	6		[0/8] Phototype in i band (6=Star ; 3=galaxy) (type_g) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_r	6		[0/8] Phototype in r band (6=Star ; 3=galaxy) (type_r) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_i	6		[0/8] Phototype in i band (6=Star ; 3=galaxy) (type_i) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_z	6		[0/8] Phototype in z band (6=Star ; 3=galaxy) (type_z) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_u	1.0		[0/1] 0=notStar 1=Star in u band (probPSF_u) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_g	1.0		[0/1] 0=notStar 1=Star in g band (probPSF_g) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_r	1.0		[0/1] 0=notStar 1=Star in r band (probPSF_r) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_i	1.0		[0/1] 0=notStar 1=Star in i band (probPSF_i) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_z	1.0		[0/1] 0=notStar 1=Star in z band (probPSF_z) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
raErr	0.004	arcsec	[0/51703] Mean error on RAdeg (raErr) (stat.error;pos.eq.ra) (ERROR)
decErr	0.004	arcsec	[0/22795] Mean error on DEdeg (decErr) (stat.error;pos.eq.dec) (ERROR)
offsetRa_u	0.02	arcsec	Offset of u position along RA (offsetRa_u) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_g	0.06	arcsec	Offset of g position along RA (offsetRa_g) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_r	0.00	arcsec	Offset of r position along RA (offsetRa_r) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_i	-0.02	arcsec	Offset of i position along RA (offsetRa_i) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_z	-0.04	arcsec	Offset of z position along RA (offsetRa_z) (pos.angDistance) (POS_EQ_RA_OFF)
offsetDec_u	0.06	arcsec	Offset of u position along Dec (offsetDec_u) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_g	0.03	arcsec	Offset of g position along Dec (offsetDec_g) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_r	0.00	arcsec	Offset of r position along Dec (offsetDec_r) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_i	0.01	arcsec	Offset of i position along Dec (offsetDec_i) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_z	-0.04	arcsec	Offset of z position along Dec (offsetDec_z) (pos.angDistance) (POS_EQ_DEC_OFF)
parentID	0		Pointer to parent (if object deblended) (meta.id.parent) (ID_PARENT)
specObjID	0		(i) Pointer to the spectrum of object or 0 (specObjID) (Note 6)   (meta.id) (ID_ALTERNATIVE)
u	20.145	mag	(i) [4/37.3] Model magnitude in u filter AB scale (u) (Note 7)   (phot.mag;em.opt.U) (PHOT_SDSS_U)
g	19.145	mag	(i) [3.7/39.6] Model magnitude in g filter AB scale (g) (Note 7)   (phot.mag;em.opt.B) (PHOT_SDSS_G)
r	19.007	mag	(i) [3.8/40.4] Model magnitude in r filter AB scale (r) (Note 7)   (phot.mag;em.opt.R) (PHOT_SDSS_R)
i	19.041	mag	(i) [2.6/39.5] Model magnitude in i filter AB scale (i) (Note 7)   (phot.mag;em.opt.I) (PHOT_SDSS_I)
z	19.032	mag	(i) [3.5/37.2] Model magnitude in z filter AB scale (z) (Note 7)   (phot.mag;em.opt.I) (PHOT_SDSS_Z)
err_u	0.043	mag	[8.9e-8/3444] Mean error on umag (err_u) (stat.error;phot.mag) (ERROR)
err_g	0.010	mag	[3.8e-8/5955] Mean error on gmag (err_g) (stat.error;phot.mag) (ERROR)
err_r	0.011	mag	[5.2e-8/915] Mean error on rmag (err_r) (stat.error;phot.mag) (ERROR)
err_i	0.020	mag	[0/634] Mean error on imag (err_i) (stat.error;phot.mag) (ERROR)
err_z	0.044	mag	[9.4e-8/3529] Mean error on zmag (err_z) (stat.error;phot.mag) (ERROR)
resolveStatus	8		[0/4145] Decimal status (resolveStatus) (Note 5)   (meta.code) (CODE_MISC)
spec_instrument			Spectral instrument used ("SDSS" or "BOSS") (spec_instrument) (Note 6)   (meta.id;instr) (INST_ID)
spec_sourceType			Source type (spec_sourceType) (6) (Note 8)   (src.class) (CLASS_OBJECT)
spec_z			(i) [-0.012/7.06] Spectroscopic final redshift (when SpObjID>0) (spec_z) (Note 6)   (src.redshift) (REDSHIFT_HC)
spec_zErr			[-6/30689] Mean error on zsp (negative for bad fit) (spec_zErr) (Note 6)   (stat.error) (ERROR)
spec_zWarning			[0/902] Zwarning flag (spec_zWarning) (6) (Note 9)   (meta.code) (CODE_MISC)
spec_class			Spectroscopic class: "GALAXY"; "QSO"; "STAR" (spec_class) (Note 6)   (meta.code.class;pos.parallax.spect) (CLASS_STAR/GALAXY)
spec_subClass			Spectroscopic subclass (spec_subClass) (6) (Note 10)   (src.class) (CLASS_OBJECT)
spec_velDisp		km/s	[0/850] Velocity dispersion (spec_velDisp) (Note 6)   (phys.veloc.dispersion) (VELOC_DISP)
spec_velDispErr		km/s	[-7/4526] Mean error on Vdisp (spec_velDispErr) (Note 6)   (stat.error) (ERROR)
spec_snMedian			[-1927/132] Median signal-to-noise over all good pixels (spec_snMedian) (Note 6)   (em.wl.central;stat.median) (INST_S/N)
pm_match			[0/4] Number of USNO-B objects matched within 1arcsec (pm_match) (Note 11)   (meta.number) (NUMBER)
pm_pmRa		mas/yr	[-6121/5519] Proper motion along Right Ascension (pm_pmRa) (Note 11)   (pos.pm;pos.eq.ra) (POS_EQ_PMRA)
pm_pmDec		mas/yr	[-4846/4437] Proper motion along Declination (pm_pmDec) (Note 11)   (pos.pm;pos.eq.dec) (POS_EQ_PMDEC)
pm_pmRaErr		mas/yr	[0/4709] Mean error on pmRA (pm_pmRaErr) (Note 11)   (stat.error;pos.pm;pos.eq.ra) (ERROR)
pm_pmDecErr		mas/yr	[0/4709] Mean error on pmDE (pm_pmDecErr) (Note 11)   (stat.error;pos.pm;pos.eq.dec) (ERROR)
pm_sigRa		mas	[0/8662] RMS residual of proper motion fit in RA (pm_sigRa) (Note 11)   (stat.fit.residual) (FIT_RESIDUAL)
pm_sigDec		mas	[0/10625] RMS residual of proper motion fit in Dec (pm_sigDec) (Note 11)   (stat.fit.residual) (FIT_RESIDUAL)
pm_nFit			[0/6] Number of detections used in the pm fit including SDSS (pm_nFit) (Note 11)   (meta.number) (NUMBER)
pm_O			[-214740/70189] Magnitude from USNO-B O plate recalibrated to SDSS g (pm_O) (Note 11)   (phot.mag;em.opt.B) (PHOT_PHG_B)
pm_E			Magnitude from E plate recalibrated to SDSS r (pm_E) (Note 11)   (phot.mag;em.opt.R) (PHOT_PHG_R)
pm_J			Magnitude from J plate recalibrated to SDSS g (pm_J) (Note 11)   (phot.mag;em.opt.B) (PHOT_PHG_B)
pm_F			Magnitude from F plate recalibrated to SDSS r (pm_F) (Note 11)   (phot.mag;em.opt.R) (PHOT_PHG_R)
pm_N			Magnitude from N plate recalibrated to SDSS i (pm_N) (Note 11)   (phot.mag;em.opt.I) (PHOT_PHG_I)
photoz_z			(i) [5e-4/1] Photometric redshift estimated by robust fit to nearest neighbors in a reference set (photoz_z) (Note 12)   (src.redshift) (REDSHIFT_PHOT)
photoz_zErr			[0.003/0.3] Estimated error of the photometric redshift (photoz_zErr) (Note 12)   (stat.error) (ERROR)
photoz_nnAvgZ			[0.009/0.9] Average redshift of the nearest neighbors; if significantly different from zph this might be a better estimate than zph (photoz_nnAvgZ) (Note 12)   (src.redshift.phot) (REDSHIFT_PHOT)
photoz_chisq			[2e-12/6.3e7] Chi-square value for the minimum chi-square template fit (photoz_chisq) (Note 12)   (stat.value) (FIT_CHI2)
field_quality	3		[1/3] Quality of the observation: 1=bad; 2=barely acceptable; 3=good (field_quality) (Note 13)   (meta.code.qual;obs.param;obs) (CODE_QUALITY)
field_mjd_u	52231.2182	d	Date of observation in u band (field_mjd_u) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_g	52231.2199	d	Date of observation in g band (field_mjd_g) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_r	52231.2166	d	Date of observation in r band (field_mjd_r) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_i	52231.2174	d	Date of observation in i band (field_mjd_i) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_z	52231.2191	d	Date of observation in z band (field_mjd_z) (Note 13)   (time.epoch) (TIME_DATE)
SDSS16	SDSS J002716.16-000240.2		(i) SDSS-DR16 name based on J2000 position; provided by CDS (meta.id) (ID_ALTERNATIVE)
SDSS-ID	2728-301-3-0458-0281		(i) SDSS object identifier (run-rerun-camcol-field-object) (Note 1)   (meta.id) (ID_ALTERNATIVE)
Sp-ID			(i) Spectroscopic Plate-MJD-Fiber identifier (plate-mjd-fiberID) (meta.id) (ID_ALTERNATIVE)
MJD	52231.2182	d	Mean observation date (average calculated by CDS from the uMJD, gMJD, rMJD, iMJD, zMJD) (time.epoch) (TIME_DATE)

Column	Value		Explain   (UCD)
_r	0.036	arcsec	Distance from center (006.817346-00.044534)[ICRS], at Epoch of catalog (MJD) (pos.angDistance) (POS_ANG_DIST_GENERAL)
_RAJ2000	00 27 16.16636	"h:m:s"	Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra) (POS_EQ_RA)
_DEJ2000	-00 02 40.3192	"d:m:s"	Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_RAB1950	00 24 42.44146	"h:m:s"	Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra) (POS_EQ_RA)
_DEB1950	-00 19 16.1328	"d:m:s"	Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_Glon	109.84400514	deg	Galactic longitude at Epoch=J0. (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lon) (POS_GAL_LON)
_Glat	-62.30055700	deg	Galactic latitude at Epoch=J0. (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lat) (POS_GAL_LAT)
objID	1237663461540561086		(i) SDSS unique object identifier (1) (links to online SDSS-DR16 data) (Note)   (meta.id;meta.main) (ID_MAIN)
ra	006.817356	deg	(i) Right Ascension of the object (ICRS) at Epoch="MJD" (ra) (pos.eq.ra;meta.main) (POS_EQ_RA_MAIN)
dec	-00.044534	deg	(i) Declination of the object (ICRS) at Epoch="MJD" (dec) (pos.eq.dec;meta.main) (POS_EQ_DEC_MAIN)
fieldID	1237663461540560896		The field this object is in (meta.note) (ID_FIELD)
mode	2		[1/4] PhotoMode (1=primary, 2=secondary, 3=family, 4=outside) (meta.code.class) (CLASS_CODE)
type	6		[0/8] Type of object (3=galaxy, 6=star) (type) (Note 2)   (src.class) (CLASS_OBJECT)
clean	0		[0/1] Clean photometry flag (1=clean; 0=unclean) (meta.code) (CODE_MISC)
flags	68987912192		Photo Object Attribute flags (Note 3)   (meta.code.error) (CODE_MISC)
psfMag_u	20.195	mag	(i) [4/35] PSF magnitude in u band (psfMag_u) (Note 4)   (phot.mag;em.opt.U) (PHOT_SDSS_U)
psfMag_g	19.120	mag	[3.7/37] PSF magnitude in g band (psfMag_g) (Note 4)   (phot.mag;em.opt.B) (PHOT_SDSS_G)
psfMag_r	19.036	mag	[3.8/36] PSF magnitude in r band (psfMag_r) (Note 4)   (phot.mag;em.opt.R) (PHOT_SDSS_R)
psfMag_i	18.942	mag	[2.6/34] PSF magnitude in i band (psfMag_i) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_I)
psfMag_z	19.034	mag	[3.8/33.3] PSF magnitude in z band (psfMag_z) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_Z)
psfMagErr_u	0.068	mag	[1.5e-5/100] Mean error on upmag (psfMagErr_u) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_g	0.034	mag	Mean error on gpmag (psfMagErr_g) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_r	0.021	mag	Mean error on rpmag (psfMagErr_r) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_i	0.039	mag	Mean error on ipmag (psfMagErr_i) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_z	0.078	mag	Mean error on zpmag (psfMagErr_z) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMag_u	20.111	mag	[-0.4/47.2] Petrosian magnitude in u band (petroMag_u) (Note 4)   (phot.mag;em.opt.U) (PHOT_SDSS_U)
petroMag_g	19.205	mag	[3.7/48] Petrosian magnitude in g band (petroMag_g) (Note 4)   (phot.mag;em.opt.B) (PHOT_SDSS_G)
petroMag_r	19.092	mag	[1.3/48.6] Petrosian magnitude in r band (petroMag_r) (Note 4)   (phot.mag;em.opt.R) (PHOT_SDSS_R)
petroMag_i	19.091	mag	[2.6/48.4] Petrosian magnitude in i band (petroMag_i) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_I)
petroMag_z	19.374	mag	[-2.9/45.1] Petrosian magnitude in z band (petroMag_z) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_Z)
petroMagErr_u	0.120	mag	[1e-7/100] Mean error in uPmag (petroMagErr_u) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_g	0.023	mag	[9.1e-9/100] Mean error in gPmag (petroMagErr_g) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_r	0.027	mag	Mean error in rPmag (petroMagErr_r) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_i	0.051	mag	Mean error in iPmag (petroMagErr_i) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_z	0.269	mag	Mean error in zPmag (petroMagErr_z) (Note 4)   (stat.error;phot.mag) (ERROR)
petroRad_u	3.738	arcsec	[1.2e-6/261] Petrosian radius in u band (petroRad_u) (phys.angSize;src) (EXTENSION_RAD)
petroRad_g	2.604	arcsec	[2.3e-6/261] Petrosian radius in g band (petroRad_g) (phys.angSize;src) (EXTENSION_RAD)
petroRad_r	2.710	arcsec	[4.9e-6/260] Petrosian radius in r band (petroRad_r) (phys.angSize;src) (EXTENSION_RAD)
petroRad_i	2.503	arcsec	[2.2e-6/263] Petrosian radius in i band (petroRad_i) (phys.angSize;src) (EXTENSION_RAD)
petroRad_z	2.071	arcsec	[8.3e-7/261] Petrosian radius in z band (petroRad_z) (phys.angSize;src) (EXTENSION_RAD)
petroRadErr_u	1.240	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_u) (stat.error) (ERROR)
petroRadErr_g	0.064	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_g) (stat.error) (ERROR)
petroRadErr_r	0.104	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_r) (stat.error) (ERROR)
petroRadErr_i	0.134	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_i) (stat.error) (ERROR)
petroRadErr_z	0.374	arcsec	[-1000/257] Mean error in rPrad (petroRadErr_z) (stat.error) (ERROR)
deVRad_u	0.004	arcsec	[0/257] De Vaucouleurs fit radius u band (deVRad_u) (phys.angSize;src) (EXTENSION_RAD)
deVRad_g	0.046	arcsec	[0/238] De Vaucouleurs fit radius g band (deVRad_g) (phys.angSize;src) (EXTENSION_RAD)
deVRad_r	0.085	arcsec	[0/238] De Vaucouleurs fit radius r band (deVRad_r) (phys.angSize;src) (EXTENSION_RAD)
deVRad_i	0.024	arcsec	[0/232] De Vaucouleurs fit radius i band (deVRad_i) (phys.angSize;src) (EXTENSION_RAD)
deVRad_z	0.020	arcsec	[0/238] De Vaucouleurs fit radius z band (deVRad_z) (phys.angSize;src) (EXTENSION_RAD)
deVAB_u	0.351		[0.05/1] De Vaucouleurs fit b/a u band (deVAB_u) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_g	0.495		[0.05/1] De Vaucouleurs fit b/a g band (deVAB_g) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_r	0.294		[0.05/1] De Vaucouleurs fit b/a r band (deVAB_r) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_i	0.404		[0.05/1] De Vaucouleurs fit b/a i band (deVAB_i) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_z	0.360		[0.05/1] De Vaucouleurs fit b/a z band (deVAB_z) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVPhi_u	47.8	deg	[-10105/271] Position angle of dVrad in u band (deVPhi_u) (pos.posAng) (POS_POS-ANG)
deVPhi_g	43.4	deg	[-10105/271] Position angle of dVrad in g band (deVPhi_g) (pos.posAng) (POS_POS-ANG)
deVPhi_r	34.6	deg	[-10105/271] Position angle of dVrad in r band (deVPhi_r) (pos.posAng) (POS_POS-ANG)
deVPhi_i	21.2	deg	[-10105/271] Position angle of dVrad in i band (deVPhi_i) (pos.posAng) (POS_POS-ANG)
deVPhi_z	167.7	deg	[-10105/271] Position angle of dVrad in z band (deVPhi_z) (pos.posAng) (POS_POS-ANG)
flags_u	268468224		Detection flags u band (flags_u) (Note 3)   (meta.code) (CODE_MISC)
flags_g	268468224		Detection flags g band (flags_g) (Note 3)   (meta.code) (CODE_MISC)
flags_r	4503599895838720		Detection flags r band (flags_r) (Note 3)   (meta.code) (CODE_MISC)
flags_i	268468224		Detection flags i band (flags_i) (Note 3)   (meta.code) (CODE_MISC)
flags_z	268468224		Detection flags z band (flags_z) (Note 3)   (meta.code) (CODE_MISC)
type_u	6		[0/8] Phototype in u band (6=Star ; 3=galaxy) (type_u) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_g	6		[0/8] Phototype in i band (6=Star ; 3=galaxy) (type_g) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_r	6		[0/8] Phototype in r band (6=Star ; 3=galaxy) (type_r) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_i	6		[0/8] Phototype in i band (6=Star ; 3=galaxy) (type_i) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_z	6		[0/8] Phototype in z band (6=Star ; 3=galaxy) (type_z) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_u	1.0		[0/1] 0=notStar 1=Star in u band (probPSF_u) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_g	1.0		[0/1] 0=notStar 1=Star in g band (probPSF_g) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_r	1.0		[0/1] 0=notStar 1=Star in r band (probPSF_r) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_i	1.0		[0/1] 0=notStar 1=Star in i band (probPSF_i) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_z	1.0		[0/1] 0=notStar 1=Star in z band (probPSF_z) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
raErr	0.019	arcsec	[0/51703] Mean error on RAdeg (raErr) (stat.error;pos.eq.ra) (ERROR)
decErr	0.019	arcsec	[0/22795] Mean error on DEdeg (decErr) (stat.error;pos.eq.dec) (ERROR)
offsetRa_u	-0.07	arcsec	Offset of u position along RA (offsetRa_u) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_g	0.07	arcsec	Offset of g position along RA (offsetRa_g) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_r	0.00	arcsec	Offset of r position along RA (offsetRa_r) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_i	0.07	arcsec	Offset of i position along RA (offsetRa_i) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_z	0.07	arcsec	Offset of z position along RA (offsetRa_z) (pos.angDistance) (POS_EQ_RA_OFF)
offsetDec_u	0.11	arcsec	Offset of u position along Dec (offsetDec_u) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_g	0.06	arcsec	Offset of g position along Dec (offsetDec_g) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_r	0.00	arcsec	Offset of r position along Dec (offsetDec_r) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_i	0.04	arcsec	Offset of i position along Dec (offsetDec_i) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_z	0.15	arcsec	Offset of z position along Dec (offsetDec_z) (pos.angDistance) (POS_EQ_DEC_OFF)
parentID	0		Pointer to parent (if object deblended) (meta.id.parent) (ID_PARENT)
specObjID	0		(i) Pointer to the spectrum of object or 0 (specObjID) (Note 6)   (meta.id) (ID_ALTERNATIVE)
u	20.212	mag	(i) [4/37.3] Model magnitude in u filter AB scale (u) (Note 7)   (phot.mag;em.opt.U) (PHOT_SDSS_U)
g	19.121	mag	(i) [3.7/39.6] Model magnitude in g filter AB scale (g) (Note 7)   (phot.mag;em.opt.B) (PHOT_SDSS_G)
r	19.050	mag	(i) [3.8/40.4] Model magnitude in r filter AB scale (r) (Note 7)   (phot.mag;em.opt.R) (PHOT_SDSS_R)
i	18.937	mag	(i) [2.6/39.5] Model magnitude in i filter AB scale (i) (Note 7)   (phot.mag;em.opt.I) (PHOT_SDSS_I)
z	19.046	mag	(i) [3.5/37.2] Model magnitude in z filter AB scale (z) (Note 7)   (phot.mag;em.opt.I) (PHOT_SDSS_Z)
err_u	0.071	mag	[8.9e-8/3444] Mean error on umag (err_u) (stat.error;phot.mag) (ERROR)
err_g	0.013	mag	[3.8e-8/5955] Mean error on gmag (err_g) (stat.error;phot.mag) (ERROR)
err_r	0.016	mag	[5.2e-8/915] Mean error on rmag (err_r) (stat.error;phot.mag) (ERROR)
err_i	0.021	mag	[0/634] Mean error on imag (err_i) (stat.error;phot.mag) (ERROR)
err_z	0.076	mag	[9.4e-8/3529] Mean error on zmag (err_z) (stat.error;phot.mag) (ERROR)
resolveStatus	1025		[0/4145] Decimal status (resolveStatus) (Note 5)   (meta.code) (CODE_MISC)
spec_instrument			Spectral instrument used ("SDSS" or "BOSS") (spec_instrument) (Note 6)   (meta.id;instr) (INST_ID)
spec_sourceType			Source type (spec_sourceType) (6) (Note 8)   (src.class) (CLASS_OBJECT)
spec_z			(i) [-0.012/7.06] Spectroscopic final redshift (when SpObjID>0) (spec_z) (Note 6)   (src.redshift) (REDSHIFT_HC)
spec_zErr			[-6/30689] Mean error on zsp (negative for bad fit) (spec_zErr) (Note 6)   (stat.error) (ERROR)
spec_zWarning			[0/902] Zwarning flag (spec_zWarning) (6) (Note 9)   (meta.code) (CODE_MISC)
spec_class			Spectroscopic class: "GALAXY"; "QSO"; "STAR" (spec_class) (Note 6)   (meta.code.class;pos.parallax.spect) (CLASS_STAR/GALAXY)
spec_subClass			Spectroscopic subclass (spec_subClass) (6) (Note 10)   (src.class) (CLASS_OBJECT)
spec_velDisp		km/s	[0/850] Velocity dispersion (spec_velDisp) (Note 6)   (phys.veloc.dispersion) (VELOC_DISP)
spec_velDispErr		km/s	[-7/4526] Mean error on Vdisp (spec_velDispErr) (Note 6)   (stat.error) (ERROR)
spec_snMedian			[-1927/132] Median signal-to-noise over all good pixels (spec_snMedian) (Note 6)   (em.wl.central;stat.median) (INST_S/N)
pm_match	1		[0/4] Number of USNO-B objects matched within 1arcsec (pm_match) (Note 11)   (meta.number) (NUMBER)
pm_pmRa	-3.66	mas/yr	[-6121/5519] Proper motion along Right Ascension (pm_pmRa) (Note 11)   (pos.pm;pos.eq.ra) (POS_EQ_PMRA)
pm_pmDec	-0.65	mas/yr	[-4846/4437] Proper motion along Declination (pm_pmDec) (Note 11)   (pos.pm;pos.eq.dec) (POS_EQ_PMDEC)
pm_pmRaErr	3.14	mas/yr	[0/4709] Mean error on pmRA (pm_pmRaErr) (Note 11)   (stat.error;pos.pm;pos.eq.ra) (ERROR)
pm_pmDecErr	3.14	mas/yr	[0/4709] Mean error on pmDE (pm_pmDecErr) (Note 11)   (stat.error;pos.pm;pos.eq.dec) (ERROR)
pm_sigRa	128.49	mas	[0/8662] RMS residual of proper motion fit in RA (pm_sigRa) (Note 11)   (stat.fit.residual) (FIT_RESIDUAL)
pm_sigDec	175.17	mas	[0/10625] RMS residual of proper motion fit in Dec (pm_sigDec) (Note 11)   (stat.fit.residual) (FIT_RESIDUAL)
pm_nFit	5		[0/6] Number of detections used in the pm fit including SDSS (pm_nFit) (Note 11)   (meta.number) (NUMBER)
pm_O	18.6		[-214740/70189] Magnitude from USNO-B O plate recalibrated to SDSS g (pm_O) (Note 11)   (phot.mag;em.opt.B) (PHOT_PHG_B)
pm_E	19.2		Magnitude from E plate recalibrated to SDSS r (pm_E) (Note 11)   (phot.mag;em.opt.R) (PHOT_PHG_R)
pm_J	19.3		Magnitude from J plate recalibrated to SDSS g (pm_J) (Note 11)   (phot.mag;em.opt.B) (PHOT_PHG_B)
pm_F	18.9		Magnitude from F plate recalibrated to SDSS r (pm_F) (Note 11)   (phot.mag;em.opt.R) (PHOT_PHG_R)
pm_N	0.0		Magnitude from N plate recalibrated to SDSS i (pm_N) (Note 11)   (phot.mag;em.opt.I) (PHOT_PHG_I)
photoz_z			(i) [5e-4/1] Photometric redshift estimated by robust fit to nearest neighbors in a reference set (photoz_z) (Note 12)   (src.redshift) (REDSHIFT_PHOT)
photoz_zErr			[0.003/0.3] Estimated error of the photometric redshift (photoz_zErr) (Note 12)   (stat.error) (ERROR)
photoz_nnAvgZ			[0.009/0.9] Average redshift of the nearest neighbors; if significantly different from zph this might be a better estimate than zph (photoz_nnAvgZ) (Note 12)   (src.redshift.phot) (REDSHIFT_PHOT)
photoz_chisq			[2e-12/6.3e7] Chi-square value for the minimum chi-square template fit (photoz_chisq) (Note 12)   (stat.value) (FIT_CHI2)
field_quality	2		[1/3] Quality of the observation: 1=bad; 2=barely acceptable; 3=good (field_quality) (Note 13)   (meta.code.qual;obs.param;obs) (CODE_QUALITY)
field_mjd_u	52930.1920	d	Date of observation in u band (field_mjd_u) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_g	52930.1937	d	Date of observation in g band (field_mjd_g) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_r	52930.1903	d	Date of observation in r band (field_mjd_r) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_i	52930.1912	d	Date of observation in i band (field_mjd_i) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_z	52930.1928	d	Date of observation in z band (field_mjd_z) (Note 13)   (time.epoch) (TIME_DATE)
SDSS16	SDSS J002716.16-000240.3		(i) SDSS-DR16 name based on J2000 position; provided by CDS (meta.id) (ID_ALTERNATIVE)
SDSS-ID	4188-301-3-0155-0190		(i) SDSS object identifier (run-rerun-camcol-field-object) (Note 1)   (meta.id) (ID_ALTERNATIVE)
Sp-ID			(i) Spectroscopic Plate-MJD-Fiber identifier (plate-mjd-fiberID) (meta.id) (ID_ALTERNATIVE)
MJD	52930.1920	d	Mean observation date (average calculated by CDS from the uMJD, gMJD, rMJD, iMJD, zMJD) (time.epoch) (TIME_DATE)

Column	Value		Explain   (UCD)
_r	0.038	arcsec	Distance from center (006.817346-00.044534)[ICRS], at Epoch of catalog (MJD) (pos.angDistance) (POS_ANG_DIST_GENERAL)
_RAJ2000	00 27 16.16601	"h:m:s"	Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra) (POS_EQ_RA)
_DEJ2000	-00 02 40.3330	"d:m:s"	Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_RAB1950	00 24 42.43969	"h:m:s"	Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra) (POS_EQ_RA)
_DEB1950	-00 19 16.0714	"d:m:s"	Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_Glon	109.84400083	deg	Galactic longitude at Epoch=J0. (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lon) (POS_GAL_LON)
_Glat	-62.30056211	deg	Galactic latitude at Epoch=J0. (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lat) (POS_GAL_LAT)
objID	1237663203843440741		(i) SDSS unique object identifier (1) (links to online SDSS-DR16 data) (Note)   (meta.id;meta.main) (ID_MAIN)
ra	006.817355	deg	(i) Right Ascension of the object (ICRS) at Epoch="MJD" (ra) (pos.eq.ra;meta.main) (POS_EQ_RA_MAIN)
dec	-00.044539	deg	(i) Declination of the object (ICRS) at Epoch="MJD" (dec) (pos.eq.dec;meta.main) (POS_EQ_DEC_MAIN)
fieldID	1237663203843440640		The field this object is in (meta.note) (ID_FIELD)
mode	2		[1/4] PhotoMode (1=primary, 2=secondary, 3=family, 4=outside) (meta.code.class) (CLASS_CODE)
type	6		[0/8] Type of object (3=galaxy, 6=star) (type) (Note 2)   (src.class) (CLASS_OBJECT)
clean	0		[0/1] Clean photometry flag (1=clean; 0=unclean) (meta.code) (CODE_MISC)
flags	68987912704		Photo Object Attribute flags (Note 3)   (meta.code.error) (CODE_MISC)
psfMag_u	20.105	mag	(i) [4/35] PSF magnitude in u band (psfMag_u) (Note 4)   (phot.mag;em.opt.U) (PHOT_SDSS_U)
psfMag_g	19.136	mag	[3.7/37] PSF magnitude in g band (psfMag_g) (Note 4)   (phot.mag;em.opt.B) (PHOT_SDSS_G)
psfMag_r	19.015	mag	[3.8/36] PSF magnitude in r band (psfMag_r) (Note 4)   (phot.mag;em.opt.R) (PHOT_SDSS_R)
psfMag_i	18.994	mag	[2.6/34] PSF magnitude in i band (psfMag_i) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_I)
psfMag_z	18.979	mag	[3.8/33.3] PSF magnitude in z band (psfMag_z) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_Z)
psfMagErr_u	0.043	mag	[1.5e-5/100] Mean error on upmag (psfMagErr_u) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_g	0.017	mag	Mean error on gpmag (psfMagErr_g) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_r	0.013	mag	Mean error on rpmag (psfMagErr_r) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_i	0.019	mag	Mean error on ipmag (psfMagErr_i) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_z	0.048	mag	Mean error on zpmag (psfMagErr_z) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMag_u	20.103	mag	[-0.4/47.2] Petrosian magnitude in u band (petroMag_u) (Note 4)   (phot.mag;em.opt.U) (PHOT_SDSS_U)
petroMag_g	19.169	mag	[3.7/48] Petrosian magnitude in g band (petroMag_g) (Note 4)   (phot.mag;em.opt.B) (PHOT_SDSS_G)
petroMag_r	19.076	mag	[1.3/48.6] Petrosian magnitude in r band (petroMag_r) (Note 4)   (phot.mag;em.opt.R) (PHOT_SDSS_R)
petroMag_i	19.095	mag	[2.6/48.4] Petrosian magnitude in i band (petroMag_i) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_I)
petroMag_z	19.160	mag	[-2.9/45.1] Petrosian magnitude in z band (petroMag_z) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_Z)
petroMagErr_u	0.058	mag	[1e-7/100] Mean error in uPmag (petroMagErr_u) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_g	0.012	mag	[9.1e-9/100] Mean error in gPmag (petroMagErr_g) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_r	0.016	mag	Mean error in rPmag (petroMagErr_r) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_i	0.024	mag	Mean error in iPmag (petroMagErr_i) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_z	0.107	mag	Mean error in zPmag (petroMagErr_z) (Note 4)   (stat.error;phot.mag) (ERROR)
petroRad_u	1.484	arcsec	[1.2e-6/261] Petrosian radius in u band (petroRad_u) (phys.angSize;src) (EXTENSION_RAD)
petroRad_g	1.399	arcsec	[2.3e-6/261] Petrosian radius in g band (petroRad_g) (phys.angSize;src) (EXTENSION_RAD)
petroRad_r	1.184	arcsec	[4.9e-6/260] Petrosian radius in r band (petroRad_r) (phys.angSize;src) (EXTENSION_RAD)
petroRad_i	1.104	arcsec	[2.2e-6/263] Petrosian radius in i band (petroRad_i) (phys.angSize;src) (EXTENSION_RAD)
petroRad_z	1.014	arcsec	[8.3e-7/261] Petrosian radius in z band (petroRad_z) (phys.angSize;src) (EXTENSION_RAD)
petroRadErr_u	0.138	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_u) (stat.error) (ERROR)
petroRadErr_g	0.025	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_g) (stat.error) (ERROR)
petroRadErr_r	0.031	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_r) (stat.error) (ERROR)
petroRadErr_i	0.029	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_i) (stat.error) (ERROR)
petroRadErr_z	0.077	arcsec	[-1000/257] Mean error in rPrad (petroRadErr_z) (stat.error) (ERROR)
deVRad_u	0.129	arcsec	[0/257] De Vaucouleurs fit radius u band (deVRad_u) (phys.angSize;src) (EXTENSION_RAD)
deVRad_g	0.106	arcsec	[0/238] De Vaucouleurs fit radius g band (deVRad_g) (phys.angSize;src) (EXTENSION_RAD)
deVRad_r	0.011	arcsec	[0/238] De Vaucouleurs fit radius r band (deVRad_r) (phys.angSize;src) (EXTENSION_RAD)
deVRad_i	0.000	arcsec	[0/232] De Vaucouleurs fit radius i band (deVRad_i) (phys.angSize;src) (EXTENSION_RAD)
deVRad_z	0.088	arcsec	[0/238] De Vaucouleurs fit radius z band (deVRad_z) (phys.angSize;src) (EXTENSION_RAD)
deVAB_u	0.413		[0.05/1] De Vaucouleurs fit b/a u band (deVAB_u) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_g	0.200		[0.05/1] De Vaucouleurs fit b/a g band (deVAB_g) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_r	0.050		[0.05/1] De Vaucouleurs fit b/a r band (deVAB_r) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_i	0.480		[0.05/1] De Vaucouleurs fit b/a i band (deVAB_i) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_z	0.100		[0.05/1] De Vaucouleurs fit b/a z band (deVAB_z) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVPhi_u	174.4	deg	[-10105/271] Position angle of dVrad in u band (deVPhi_u) (pos.posAng) (POS_POS-ANG)
deVPhi_g	43.8	deg	[-10105/271] Position angle of dVrad in g band (deVPhi_g) (pos.posAng) (POS_POS-ANG)
deVPhi_r	102.2	deg	[-10105/271] Position angle of dVrad in r band (deVPhi_r) (pos.posAng) (POS_POS-ANG)
deVPhi_i	69.3	deg	[-10105/271] Position angle of dVrad in i band (deVPhi_i) (pos.posAng) (POS_POS-ANG)
deVPhi_z	170.2	deg	[-10105/271] Position angle of dVrad in z band (deVPhi_z) (pos.posAng) (POS_POS-ANG)
flags_u	275297370624		Detection flags u band (flags_u) (Note 3)   (meta.code) (CODE_MISC)
flags_g	285245440		Detection flags g band (flags_g) (Note 3)   (meta.code) (CODE_MISC)
flags_r	4503600046801408		Detection flags r band (flags_r) (Note 3)   (meta.code) (CODE_MISC)
flags_i	427852288		Detection flags i band (flags_i) (Note 3)   (meta.code) (CODE_MISC)
flags_z	275297387008		Detection flags z band (flags_z) (Note 3)   (meta.code) (CODE_MISC)
type_u	6		[0/8] Phototype in u band (6=Star ; 3=galaxy) (type_u) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_g	6		[0/8] Phototype in i band (6=Star ; 3=galaxy) (type_g) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_r	6		[0/8] Phototype in r band (6=Star ; 3=galaxy) (type_r) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_i	6		[0/8] Phototype in i band (6=Star ; 3=galaxy) (type_i) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_z	6		[0/8] Phototype in z band (6=Star ; 3=galaxy) (type_z) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_u	1.0		[0/1] 0=notStar 1=Star in u band (probPSF_u) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_g	1.0		[0/1] 0=notStar 1=Star in g band (probPSF_g) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_r	1.0		[0/1] 0=notStar 1=Star in r band (probPSF_r) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_i	1.0		[0/1] 0=notStar 1=Star in i band (probPSF_i) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_z	1.0		[0/1] 0=notStar 1=Star in z band (probPSF_z) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
raErr	0.006	arcsec	[0/51703] Mean error on RAdeg (raErr) (stat.error;pos.eq.ra) (ERROR)
decErr	0.005	arcsec	[0/22795] Mean error on DEdeg (decErr) (stat.error;pos.eq.dec) (ERROR)
offsetRa_u	0.02	arcsec	Offset of u position along RA (offsetRa_u) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_g	0.03	arcsec	Offset of g position along RA (offsetRa_g) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_r	0.00	arcsec	Offset of r position along RA (offsetRa_r) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_i	0.01	arcsec	Offset of i position along RA (offsetRa_i) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_z	-0.00	arcsec	Offset of z position along RA (offsetRa_z) (pos.angDistance) (POS_EQ_RA_OFF)
offsetDec_u	-0.06	arcsec	Offset of u position along Dec (offsetDec_u) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_g	0.02	arcsec	Offset of g position along Dec (offsetDec_g) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_r	0.00	arcsec	Offset of r position along Dec (offsetDec_r) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_i	-0.03	arcsec	Offset of i position along Dec (offsetDec_i) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_z	0.05	arcsec	Offset of z position along Dec (offsetDec_z) (pos.angDistance) (POS_EQ_DEC_OFF)
parentID	1237663203843440740		Pointer to parent (if object deblended) (meta.id.parent) (ID_PARENT)
specObjID	0		(i) Pointer to the spectrum of object or 0 (specObjID) (Note 6)   (meta.id) (ID_ALTERNATIVE)
u	20.090	mag	(i) [4/37.3] Model magnitude in u filter AB scale (u) (Note 7)   (phot.mag;em.opt.U) (PHOT_SDSS_U)
g	19.124	mag	(i) [3.7/39.6] Model magnitude in g filter AB scale (g) (Note 7)   (phot.mag;em.opt.B) (PHOT_SDSS_G)
r	19.018	mag	(i) [3.8/40.4] Model magnitude in r filter AB scale (r) (Note 7)   (phot.mag;em.opt.R) (PHOT_SDSS_R)
i	19.004	mag	(i) [2.6/39.5] Model magnitude in i filter AB scale (i) (Note 7)   (phot.mag;em.opt.I) (PHOT_SDSS_I)
z	18.975	mag	(i) [3.5/37.2] Model magnitude in z filter AB scale (z) (Note 7)   (phot.mag;em.opt.I) (PHOT_SDSS_Z)
err_u	0.043	mag	[8.9e-8/3444] Mean error on umag (err_u) (stat.error;phot.mag) (ERROR)
err_g	0.010	mag	[3.8e-8/5955] Mean error on gmag (err_g) (stat.error;phot.mag) (ERROR)
err_r	0.011	mag	[5.2e-8/915] Mean error on rmag (err_r) (stat.error;phot.mag) (ERROR)
err_i	0.015	mag	[0/634] Mean error on imag (err_i) (stat.error;phot.mag) (ERROR)
err_z	0.050	mag	[9.4e-8/3529] Mean error on zmag (err_z) (stat.error;phot.mag) (ERROR)
resolveStatus	1025		[0/4145] Decimal status (resolveStatus) (Note 5)   (meta.code) (CODE_MISC)
spec_instrument			Spectral instrument used ("SDSS" or "BOSS") (spec_instrument) (Note 6)   (meta.id;instr) (INST_ID)
spec_sourceType			Source type (spec_sourceType) (6) (Note 8)   (src.class) (CLASS_OBJECT)
spec_z			(i) [-0.012/7.06] Spectroscopic final redshift (when SpObjID>0) (spec_z) (Note 6)   (src.redshift) (REDSHIFT_HC)
spec_zErr			[-6/30689] Mean error on zsp (negative for bad fit) (spec_zErr) (Note 6)   (stat.error) (ERROR)
spec_zWarning			[0/902] Zwarning flag (spec_zWarning) (6) (Note 9)   (meta.code) (CODE_MISC)
spec_class			Spectroscopic class: "GALAXY"; "QSO"; "STAR" (spec_class) (Note 6)   (meta.code.class;pos.parallax.spect) (CLASS_STAR/GALAXY)
spec_subClass			Spectroscopic subclass (spec_subClass) (6) (Note 10)   (src.class) (CLASS_OBJECT)
spec_velDisp		km/s	[0/850] Velocity dispersion (spec_velDisp) (Note 6)   (phys.veloc.dispersion) (VELOC_DISP)
spec_velDispErr		km/s	[-7/4526] Mean error on Vdisp (spec_velDispErr) (Note 6)   (stat.error) (ERROR)
spec_snMedian			[-1927/132] Median signal-to-noise over all good pixels (spec_snMedian) (Note 6)   (em.wl.central;stat.median) (INST_S/N)
pm_match	1		[0/4] Number of USNO-B objects matched within 1arcsec (pm_match) (Note 11)   (meta.number) (NUMBER)
pm_pmRa	-3.23	mas/yr	[-6121/5519] Proper motion along Right Ascension (pm_pmRa) (Note 11)   (pos.pm;pos.eq.ra) (POS_EQ_PMRA)
pm_pmDec	-2.15	mas/yr	[-4846/4437] Proper motion along Declination (pm_pmDec) (Note 11)   (pos.pm;pos.eq.dec) (POS_EQ_PMDEC)
pm_pmRaErr	3.16	mas/yr	[0/4709] Mean error on pmRA (pm_pmRaErr) (Note 11)   (stat.error;pos.pm;pos.eq.ra) (ERROR)
pm_pmDecErr	3.16	mas/yr	[0/4709] Mean error on pmDE (pm_pmDecErr) (Note 11)   (stat.error;pos.pm;pos.eq.dec) (ERROR)
pm_sigRa	129.49	mas	[0/8662] RMS residual of proper motion fit in RA (pm_sigRa) (Note 11)   (stat.fit.residual) (FIT_RESIDUAL)
pm_sigDec	175.00	mas	[0/10625] RMS residual of proper motion fit in Dec (pm_sigDec) (Note 11)   (stat.fit.residual) (FIT_RESIDUAL)
pm_nFit	5		[0/6] Number of detections used in the pm fit including SDSS (pm_nFit) (Note 11)   (meta.number) (NUMBER)
pm_O	18.8		[-214740/70189] Magnitude from USNO-B O plate recalibrated to SDSS g (pm_O) (Note 11)   (phot.mag;em.opt.B) (PHOT_PHG_B)
pm_E	19.0		Magnitude from E plate recalibrated to SDSS r (pm_E) (Note 11)   (phot.mag;em.opt.R) (PHOT_PHG_R)
pm_J	19.2		Magnitude from J plate recalibrated to SDSS g (pm_J) (Note 11)   (phot.mag;em.opt.B) (PHOT_PHG_B)
pm_F	19.0		Magnitude from F plate recalibrated to SDSS r (pm_F) (Note 11)   (phot.mag;em.opt.R) (PHOT_PHG_R)
pm_N	0.0		Magnitude from N plate recalibrated to SDSS i (pm_N) (Note 11)   (phot.mag;em.opt.I) (PHOT_PHG_I)
photoz_z			(i) [5e-4/1] Photometric redshift estimated by robust fit to nearest neighbors in a reference set (photoz_z) (Note 12)   (src.redshift) (REDSHIFT_PHOT)
photoz_zErr			[0.003/0.3] Estimated error of the photometric redshift (photoz_zErr) (Note 12)   (stat.error) (ERROR)
photoz_nnAvgZ			[0.009/0.9] Average redshift of the nearest neighbors; if significantly different from zph this might be a better estimate than zph (photoz_nnAvgZ) (Note 12)   (src.redshift.phot) (REDSHIFT_PHOT)
photoz_chisq			[2e-12/6.3e7] Chi-square value for the minimum chi-square template fit (photoz_chisq) (Note 12)   (stat.value) (FIT_CHI2)
field_quality	3		[1/3] Quality of the observation: 1=bad; 2=barely acceptable; 3=good (field_quality) (Note 13)   (meta.code.qual;obs.param;obs) (CODE_QUALITY)
field_mjd_u	52908.3012	d	Date of observation in u band (field_mjd_u) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_g	52908.3028	d	Date of observation in g band (field_mjd_g) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_r	52908.2995	d	Date of observation in r band (field_mjd_r) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_i	52908.3003	d	Date of observation in i band (field_mjd_i) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_z	52908.3020	d	Date of observation in z band (field_mjd_z) (Note 13)   (time.epoch) (TIME_DATE)
SDSS16	SDSS J002716.16-000240.3		(i) SDSS-DR16 name based on J2000 position; provided by CDS (meta.id) (ID_ALTERNATIVE)
SDSS-ID	4128-301-3-0169-0101		(i) SDSS object identifier (run-rerun-camcol-field-object) (Note 1)   (meta.id) (ID_ALTERNATIVE)
Sp-ID			(i) Spectroscopic Plate-MJD-Fiber identifier (plate-mjd-fiberID) (meta.id) (ID_ALTERNATIVE)
MJD	52908.3012	d	Mean observation date (average calculated by CDS from the uMJD, gMJD, rMJD, iMJD, zMJD) (time.epoch) (TIME_DATE)

Column	Value		Explain   (UCD)
_r	0.040	arcsec	Distance from center (006.817346-00.044534)[ICRS], at Epoch of catalog (MJD) (pos.angDistance) (POS_ANG_DIST_GENERAL)
_RAJ2000	00 27 16.16570	"h:m:s"	Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra) (POS_EQ_RA)
_DEJ2000	-00 02 40.3234	"d:m:s"	Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_RAB1950	00 24 42.42861	"h:m:s"	Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra) (POS_EQ_RA)
_DEB1950	-00 19 16.1695	"d:m:s"	Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_Glon	109.84400723	deg	Galactic longitude at Epoch=J0. (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lon) (POS_GAL_LON)
_Glat	-62.30055772	deg	Galactic latitude at Epoch=J0. (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lat) (POS_GAL_LAT)
objID	1237657104988897427		(i) SDSS unique object identifier (1) (links to online SDSS-DR16 data) (Note)   (meta.id;meta.main) (ID_MAIN)
ra	006.817357	deg	(i) Right Ascension of the object (ICRS) at Epoch="MJD" (ra) (pos.eq.ra;meta.main) (POS_EQ_RA_MAIN)
dec	-00.044534	deg	(i) Declination of the object (ICRS) at Epoch="MJD" (dec) (pos.eq.dec;meta.main) (POS_EQ_DEC_MAIN)
fieldID	1237657104988897280		The field this object is in (meta.note) (ID_FIELD)
mode	3		[1/4] PhotoMode (1=primary, 2=secondary, 3=family, 4=outside) (meta.code.class) (CLASS_CODE)
type	6		[0/8] Type of object (3=galaxy, 6=star) (type) (Note 2)   (src.class) (CLASS_OBJECT)
clean	0		[0/1] Clean photometry flag (1=clean; 0=unclean) (meta.code) (CODE_MISC)
flags	162796708954632		Photo Object Attribute flags (Note 3)   (meta.code.error) (CODE_MISC)
psfMag_u	20.073	mag	(i) [4/35] PSF magnitude in u band (psfMag_u) (Note 4)   (phot.mag;em.opt.U) (PHOT_SDSS_U)
psfMag_g	19.139	mag	[3.7/37] PSF magnitude in g band (psfMag_g) (Note 4)   (phot.mag;em.opt.B) (PHOT_SDSS_G)
psfMag_r	19.016	mag	[3.8/36] PSF magnitude in r band (psfMag_r) (Note 4)   (phot.mag;em.opt.R) (PHOT_SDSS_R)
psfMag_i	18.982	mag	[2.6/34] PSF magnitude in i band (psfMag_i) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_I)
psfMag_z	19.036	mag	[3.8/33.3] PSF magnitude in z band (psfMag_z) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_Z)
psfMagErr_u	0.037	mag	[1.5e-5/100] Mean error on upmag (psfMagErr_u) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_g	0.019	mag	Mean error on gpmag (psfMagErr_g) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_r	0.017	mag	Mean error on rpmag (psfMagErr_r) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_i	0.024	mag	Mean error on ipmag (psfMagErr_i) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_z	0.049	mag	Mean error on zpmag (psfMagErr_z) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMag_u	20.181	mag	[-0.4/47.2] Petrosian magnitude in u band (petroMag_u) (Note 4)   (phot.mag;em.opt.U) (PHOT_SDSS_U)
petroMag_g	19.170	mag	[3.7/48] Petrosian magnitude in g band (petroMag_g) (Note 4)   (phot.mag;em.opt.B) (PHOT_SDSS_G)
petroMag_r	19.089	mag	[1.3/48.6] Petrosian magnitude in r band (petroMag_r) (Note 4)   (phot.mag;em.opt.R) (PHOT_SDSS_R)
petroMag_i	19.037	mag	[2.6/48.4] Petrosian magnitude in i band (petroMag_i) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_I)
petroMag_z	19.230	mag	[-2.9/45.1] Petrosian magnitude in z band (petroMag_z) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_Z)
petroMagErr_u	0.055	mag	[1e-7/100] Mean error in uPmag (petroMagErr_u) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_g	0.011	mag	[9.1e-9/100] Mean error in gPmag (petroMagErr_g) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_r	0.016	mag	Mean error in rPmag (petroMagErr_r) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_i	0.022	mag	Mean error in iPmag (petroMagErr_i) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_z	0.106	mag	Mean error in zPmag (petroMagErr_z) (Note 4)   (stat.error;phot.mag) (ERROR)
petroRad_u	4.483	arcsec	[1.2e-6/261] Petrosian radius in u band (petroRad_u) (phys.angSize;src) (EXTENSION_RAD)
petroRad_g	1.275	arcsec	[2.3e-6/261] Petrosian radius in g band (petroRad_g) (phys.angSize;src) (EXTENSION_RAD)
petroRad_r	1.122	arcsec	[4.9e-6/260] Petrosian radius in r band (petroRad_r) (phys.angSize;src) (EXTENSION_RAD)
petroRad_i	1.096	arcsec	[2.2e-6/263] Petrosian radius in i band (petroRad_i) (phys.angSize;src) (EXTENSION_RAD)
petroRad_z	0.953	arcsec	[8.3e-7/261] Petrosian radius in z band (petroRad_z) (phys.angSize;src) (EXTENSION_RAD)
petroRadErr_u	1.289	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_u) (stat.error) (ERROR)
petroRadErr_g	0.018	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_g) (stat.error) (ERROR)
petroRadErr_r	0.023	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_r) (stat.error) (ERROR)
petroRadErr_i	0.026	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_i) (stat.error) (ERROR)
petroRadErr_z	0.079	arcsec	[-1000/257] Mean error in rPrad (petroRadErr_z) (stat.error) (ERROR)
deVRad_u	0.059	arcsec	[0/257] De Vaucouleurs fit radius u band (deVRad_u) (phys.angSize;src) (EXTENSION_RAD)
deVRad_g	0.052	arcsec	[0/238] De Vaucouleurs fit radius g band (deVRad_g) (phys.angSize;src) (EXTENSION_RAD)
deVRad_r	0.017	arcsec	[0/238] De Vaucouleurs fit radius r band (deVRad_r) (phys.angSize;src) (EXTENSION_RAD)
deVRad_i	0.091	arcsec	[0/232] De Vaucouleurs fit radius i band (deVRad_i) (phys.angSize;src) (EXTENSION_RAD)
deVRad_z	0.001	arcsec	[0/238] De Vaucouleurs fit radius z band (deVRad_z) (phys.angSize;src) (EXTENSION_RAD)
deVAB_u	0.210		[0.05/1] De Vaucouleurs fit b/a u band (deVAB_u) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_g	0.986		[0.05/1] De Vaucouleurs fit b/a g band (deVAB_g) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_r	0.650		[0.05/1] De Vaucouleurs fit b/a r band (deVAB_r) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_i	0.076		[0.05/1] De Vaucouleurs fit b/a i band (deVAB_i) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_z	0.112		[0.05/1] De Vaucouleurs fit b/a z band (deVAB_z) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVPhi_u	135.3	deg	[-10105/271] Position angle of dVrad in u band (deVPhi_u) (pos.posAng) (POS_POS-ANG)
deVPhi_g	40.6	deg	[-10105/271] Position angle of dVrad in g band (deVPhi_g) (pos.posAng) (POS_POS-ANG)
deVPhi_r	103.3	deg	[-10105/271] Position angle of dVrad in r band (deVPhi_r) (pos.posAng) (POS_POS-ANG)
deVPhi_i	13.7	deg	[-10105/271] Position angle of dVrad in i band (deVPhi_i) (pos.posAng) (POS_POS-ANG)
deVPhi_z	109.8	deg	[-10105/271] Position angle of dVrad in z band (deVPhi_z) (pos.posAng) (POS_POS-ANG)
flags_u	4673335493128		Detection flags u band (flags_u) (Note 3)   (meta.code) (CODE_MISC)
flags_g	268468232		Detection flags g band (flags_g) (Note 3)   (meta.code) (CODE_MISC)
flags_r	4503599895969800		Detection flags r band (flags_r) (Note 3)   (meta.code) (CODE_MISC)
flags_i	162728140505096		Detection flags i band (flags_i) (Note 3)   (meta.code) (CODE_MISC)
flags_z	275297337352		Detection flags z band (flags_z) (Note 3)   (meta.code) (CODE_MISC)
type_u	6		[0/8] Phototype in u band (6=Star ; 3=galaxy) (type_u) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_g	6		[0/8] Phototype in i band (6=Star ; 3=galaxy) (type_g) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_r	6		[0/8] Phototype in r band (6=Star ; 3=galaxy) (type_r) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_i	6		[0/8] Phototype in i band (6=Star ; 3=galaxy) (type_i) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_z	6		[0/8] Phototype in z band (6=Star ; 3=galaxy) (type_z) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_u	1.0		[0/1] 0=notStar 1=Star in u band (probPSF_u) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_g	1.0		[0/1] 0=notStar 1=Star in g band (probPSF_g) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_r	1.0		[0/1] 0=notStar 1=Star in r band (probPSF_r) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_i	1.0		[0/1] 0=notStar 1=Star in i band (probPSF_i) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_z	1.0		[0/1] 0=notStar 1=Star in z band (probPSF_z) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
raErr	0.005	arcsec	[0/51703] Mean error on RAdeg (raErr) (stat.error;pos.eq.ra) (ERROR)
decErr	0.005	arcsec	[0/22795] Mean error on DEdeg (decErr) (stat.error;pos.eq.dec) (ERROR)
offsetRa_u	-0.02	arcsec	Offset of u position along RA (offsetRa_u) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_g	0.04	arcsec	Offset of g position along RA (offsetRa_g) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_r	0.00	arcsec	Offset of r position along RA (offsetRa_r) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_i	0.02	arcsec	Offset of i position along RA (offsetRa_i) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_z	0.09	arcsec	Offset of z position along RA (offsetRa_z) (pos.angDistance) (POS_EQ_RA_OFF)
offsetDec_u	0.11	arcsec	Offset of u position along Dec (offsetDec_u) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_g	0.02	arcsec	Offset of g position along Dec (offsetDec_g) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_r	0.00	arcsec	Offset of r position along Dec (offsetDec_r) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_i	0.06	arcsec	Offset of i position along Dec (offsetDec_i) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_z	-0.01	arcsec	Offset of z position along Dec (offsetDec_z) (pos.angDistance) (POS_EQ_DEC_OFF)
parentID	1237657104988897426		Pointer to parent (if object deblended) (meta.id.parent) (ID_PARENT)
specObjID	0		(i) Pointer to the spectrum of object or 0 (specObjID) (Note 6)   (meta.id) (ID_ALTERNATIVE)
u	20.111	mag	(i) [4/37.3] Model magnitude in u filter AB scale (u) (Note 7)   (phot.mag;em.opt.U) (PHOT_SDSS_U)
g	19.132	mag	(i) [3.7/39.6] Model magnitude in g filter AB scale (g) (Note 7)   (phot.mag;em.opt.B) (PHOT_SDSS_G)
r	19.011	mag	(i) [3.8/40.4] Model magnitude in r filter AB scale (r) (Note 7)   (phot.mag;em.opt.R) (PHOT_SDSS_R)
i	18.966	mag	(i) [2.6/39.5] Model magnitude in i filter AB scale (i) (Note 7)   (phot.mag;em.opt.I) (PHOT_SDSS_I)
z	19.043	mag	(i) [3.5/37.2] Model magnitude in z filter AB scale (z) (Note 7)   (phot.mag;em.opt.I) (PHOT_SDSS_Z)
err_u	0.041	mag	[8.9e-8/3444] Mean error on umag (err_u) (stat.error;phot.mag) (ERROR)
err_g	0.010	mag	[3.8e-8/5955] Mean error on gmag (err_g) (stat.error;phot.mag) (ERROR)
err_r	0.011	mag	[5.2e-8/915] Mean error on rmag (err_r) (stat.error;phot.mag) (ERROR)
err_i	0.014	mag	[0/634] Mean error on imag (err_i) (stat.error;phot.mag) (ERROR)
err_z	0.049	mag	[9.4e-8/3529] Mean error on zmag (err_z) (stat.error;phot.mag) (ERROR)
resolveStatus	8		[0/4145] Decimal status (resolveStatus) (Note 5)   (meta.code) (CODE_MISC)
spec_instrument			Spectral instrument used ("SDSS" or "BOSS") (spec_instrument) (Note 6)   (meta.id;instr) (INST_ID)
spec_sourceType			Source type (spec_sourceType) (6) (Note 8)   (src.class) (CLASS_OBJECT)
spec_z			(i) [-0.012/7.06] Spectroscopic final redshift (when SpObjID>0) (spec_z) (Note 6)   (src.redshift) (REDSHIFT_HC)
spec_zErr			[-6/30689] Mean error on zsp (negative for bad fit) (spec_zErr) (Note 6)   (stat.error) (ERROR)
spec_zWarning			[0/902] Zwarning flag (spec_zWarning) (6) (Note 9)   (meta.code) (CODE_MISC)
spec_class			Spectroscopic class: "GALAXY"; "QSO"; "STAR" (spec_class) (Note 6)   (meta.code.class;pos.parallax.spect) (CLASS_STAR/GALAXY)
spec_subClass			Spectroscopic subclass (spec_subClass) (6) (Note 10)   (src.class) (CLASS_OBJECT)
spec_velDisp		km/s	[0/850] Velocity dispersion (spec_velDisp) (Note 6)   (phys.veloc.dispersion) (VELOC_DISP)
spec_velDispErr		km/s	[-7/4526] Mean error on Vdisp (spec_velDispErr) (Note 6)   (stat.error) (ERROR)
spec_snMedian			[-1927/132] Median signal-to-noise over all good pixels (spec_snMedian) (Note 6)   (em.wl.central;stat.median) (INST_S/N)
pm_match			[0/4] Number of USNO-B objects matched within 1arcsec (pm_match) (Note 11)   (meta.number) (NUMBER)
pm_pmRa		mas/yr	[-6121/5519] Proper motion along Right Ascension (pm_pmRa) (Note 11)   (pos.pm;pos.eq.ra) (POS_EQ_PMRA)
pm_pmDec		mas/yr	[-4846/4437] Proper motion along Declination (pm_pmDec) (Note 11)   (pos.pm;pos.eq.dec) (POS_EQ_PMDEC)
pm_pmRaErr		mas/yr	[0/4709] Mean error on pmRA (pm_pmRaErr) (Note 11)   (stat.error;pos.pm;pos.eq.ra) (ERROR)
pm_pmDecErr		mas/yr	[0/4709] Mean error on pmDE (pm_pmDecErr) (Note 11)   (stat.error;pos.pm;pos.eq.dec) (ERROR)
pm_sigRa		mas	[0/8662] RMS residual of proper motion fit in RA (pm_sigRa) (Note 11)   (stat.fit.residual) (FIT_RESIDUAL)
pm_sigDec		mas	[0/10625] RMS residual of proper motion fit in Dec (pm_sigDec) (Note 11)   (stat.fit.residual) (FIT_RESIDUAL)
pm_nFit			[0/6] Number of detections used in the pm fit including SDSS (pm_nFit) (Note 11)   (meta.number) (NUMBER)
pm_O			[-214740/70189] Magnitude from USNO-B O plate recalibrated to SDSS g (pm_O) (Note 11)   (phot.mag;em.opt.B) (PHOT_PHG_B)
pm_E			Magnitude from E plate recalibrated to SDSS r (pm_E) (Note 11)   (phot.mag;em.opt.R) (PHOT_PHG_R)
pm_J			Magnitude from J plate recalibrated to SDSS g (pm_J) (Note 11)   (phot.mag;em.opt.B) (PHOT_PHG_B)
pm_F			Magnitude from F plate recalibrated to SDSS r (pm_F) (Note 11)   (phot.mag;em.opt.R) (PHOT_PHG_R)
pm_N			Magnitude from N plate recalibrated to SDSS i (pm_N) (Note 11)   (phot.mag;em.opt.I) (PHOT_PHG_I)
photoz_z			(i) [5e-4/1] Photometric redshift estimated by robust fit to nearest neighbors in a reference set (photoz_z) (Note 12)   (src.redshift) (REDSHIFT_PHOT)
photoz_zErr			[0.003/0.3] Estimated error of the photometric redshift (photoz_zErr) (Note 12)   (stat.error) (ERROR)
photoz_nnAvgZ			[0.009/0.9] Average redshift of the nearest neighbors; if significantly different from zph this might be a better estimate than zph (photoz_nnAvgZ) (Note 12)   (src.redshift.phot) (REDSHIFT_PHOT)
photoz_chisq			[2e-12/6.3e7] Chi-square value for the minimum chi-square template fit (photoz_chisq) (Note 12)   (stat.value) (FIT_CHI2)
field_quality	3		[1/3] Quality of the observation: 1=bad; 2=barely acceptable; 3=good (field_quality) (Note 13)   (meta.code.qual;obs.param;obs) (CODE_QUALITY)
field_mjd_u	52225.1827	d	Date of observation in u band (field_mjd_u) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_g	52225.1843	d	Date of observation in g band (field_mjd_g) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_r	52225.1810	d	Date of observation in r band (field_mjd_r) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_i	52225.1818	d	Date of observation in i band (field_mjd_i) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_z	52225.1835	d	Date of observation in z band (field_mjd_z) (Note 13)   (time.epoch) (TIME_DATE)
SDSS16	SDSS J002716.16-000240.3		(i) SDSS-DR16 name based on J2000 position; provided by CDS (meta.id) (ID_ALTERNATIVE)
SDSS-ID	2708-301-3-0154-0147		(i) SDSS object identifier (run-rerun-camcol-field-object) (Note 1)   (meta.id) (ID_ALTERNATIVE)
Sp-ID			(i) Spectroscopic Plate-MJD-Fiber identifier (plate-mjd-fiberID) (meta.id) (ID_ALTERNATIVE)
MJD	52225.1827	d	Mean observation date (average calculated by CDS from the uMJD, gMJD, rMJD, iMJD, zMJD) (time.epoch) (TIME_DATE)

Column	Value		Explain   (UCD)
_r	0.040	arcsec	Distance from center (006.817346-00.044534)[ICRS], at Epoch of catalog (MJD) (pos.angDistance) (POS_ANG_DIST_GENERAL)
_RAJ2000	00 27 16.16603	"h:m:s"	Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra) (POS_EQ_RA)
_DEJ2000	-00 02 40.3193	"d:m:s"	Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_RAB1950	00 24 42.43779	"h:m:s"	Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra) (POS_EQ_RA)
_DEB1950	-00 19 16.0545	"d:m:s"	Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_Glon	109.84400723	deg	Galactic longitude at Epoch=J0. (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lon) (POS_GAL_LON)
_Glat	-62.30055772	deg	Galactic latitude at Epoch=J0. (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lat) (POS_GAL_LAT)
objID	1237657104988897428		(i) SDSS unique object identifier (1) (links to online SDSS-DR16 data) (Note)   (meta.id;meta.main) (ID_MAIN)
ra	006.817357	deg	(i) Right Ascension of the object (ICRS) at Epoch="MJD" (ra) (pos.eq.ra;meta.main) (POS_EQ_RA_MAIN)
dec	-00.044534	deg	(i) Declination of the object (ICRS) at Epoch="MJD" (dec) (pos.eq.dec;meta.main) (POS_EQ_DEC_MAIN)
fieldID	1237657104988897280		The field this object is in (meta.note) (ID_FIELD)
mode	2		[1/4] PhotoMode (1=primary, 2=secondary, 3=family, 4=outside) (meta.code.class) (CLASS_CODE)
type	6		[0/8] Type of object (3=galaxy, 6=star) (type) (Note 2)   (src.class) (CLASS_OBJECT)
clean	0		[0/1] Clean photometry flag (1=clean; 0=unclean) (meta.code) (CODE_MISC)
flags	193583034532368		Photo Object Attribute flags (Note 3)   (meta.code.error) (CODE_MISC)
psfMag_u	20.073	mag	(i) [4/35] PSF magnitude in u band (psfMag_u) (Note 4)   (phot.mag;em.opt.U) (PHOT_SDSS_U)
psfMag_g	19.139	mag	[3.7/37] PSF magnitude in g band (psfMag_g) (Note 4)   (phot.mag;em.opt.B) (PHOT_SDSS_G)
psfMag_r	19.016	mag	[3.8/36] PSF magnitude in r band (psfMag_r) (Note 4)   (phot.mag;em.opt.R) (PHOT_SDSS_R)
psfMag_i	18.982	mag	[2.6/34] PSF magnitude in i band (psfMag_i) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_I)
psfMag_z	19.036	mag	[3.8/33.3] PSF magnitude in z band (psfMag_z) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_Z)
psfMagErr_u	0.037	mag	[1.5e-5/100] Mean error on upmag (psfMagErr_u) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_g	0.019	mag	Mean error on gpmag (psfMagErr_g) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_r	0.017	mag	Mean error on rpmag (psfMagErr_r) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_i	0.024	mag	Mean error on ipmag (psfMagErr_i) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_z	0.049	mag	Mean error on zpmag (psfMagErr_z) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMag_u	20.181	mag	[-0.4/47.2] Petrosian magnitude in u band (petroMag_u) (Note 4)   (phot.mag;em.opt.U) (PHOT_SDSS_U)
petroMag_g	19.170	mag	[3.7/48] Petrosian magnitude in g band (petroMag_g) (Note 4)   (phot.mag;em.opt.B) (PHOT_SDSS_G)
petroMag_r	19.089	mag	[1.3/48.6] Petrosian magnitude in r band (petroMag_r) (Note 4)   (phot.mag;em.opt.R) (PHOT_SDSS_R)
petroMag_i	19.037	mag	[2.6/48.4] Petrosian magnitude in i band (petroMag_i) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_I)
petroMag_z	19.230	mag	[-2.9/45.1] Petrosian magnitude in z band (petroMag_z) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_Z)
petroMagErr_u	0.055	mag	[1e-7/100] Mean error in uPmag (petroMagErr_u) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_g	0.011	mag	[9.1e-9/100] Mean error in gPmag (petroMagErr_g) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_r	0.016	mag	Mean error in rPmag (petroMagErr_r) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_i	0.022	mag	Mean error in iPmag (petroMagErr_i) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_z	0.106	mag	Mean error in zPmag (petroMagErr_z) (Note 4)   (stat.error;phot.mag) (ERROR)
petroRad_u	4.483	arcsec	[1.2e-6/261] Petrosian radius in u band (petroRad_u) (phys.angSize;src) (EXTENSION_RAD)
petroRad_g	1.275	arcsec	[2.3e-6/261] Petrosian radius in g band (petroRad_g) (phys.angSize;src) (EXTENSION_RAD)
petroRad_r	1.122	arcsec	[4.9e-6/260] Petrosian radius in r band (petroRad_r) (phys.angSize;src) (EXTENSION_RAD)
petroRad_i	1.096	arcsec	[2.2e-6/263] Petrosian radius in i band (petroRad_i) (phys.angSize;src) (EXTENSION_RAD)
petroRad_z	0.953	arcsec	[8.3e-7/261] Petrosian radius in z band (petroRad_z) (phys.angSize;src) (EXTENSION_RAD)
petroRadErr_u	1.289	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_u) (stat.error) (ERROR)
petroRadErr_g	0.018	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_g) (stat.error) (ERROR)
petroRadErr_r	0.023	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_r) (stat.error) (ERROR)
petroRadErr_i	0.026	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_i) (stat.error) (ERROR)
petroRadErr_z	0.079	arcsec	[-1000/257] Mean error in rPrad (petroRadErr_z) (stat.error) (ERROR)
deVRad_u	0.061	arcsec	[0/257] De Vaucouleurs fit radius u band (deVRad_u) (phys.angSize;src) (EXTENSION_RAD)
deVRad_g	0.052	arcsec	[0/238] De Vaucouleurs fit radius g band (deVRad_g) (phys.angSize;src) (EXTENSION_RAD)
deVRad_r	0.017	arcsec	[0/238] De Vaucouleurs fit radius r band (deVRad_r) (phys.angSize;src) (EXTENSION_RAD)
deVRad_i	0.091	arcsec	[0/232] De Vaucouleurs fit radius i band (deVRad_i) (phys.angSize;src) (EXTENSION_RAD)
deVRad_z	0.003	arcsec	[0/238] De Vaucouleurs fit radius z band (deVRad_z) (phys.angSize;src) (EXTENSION_RAD)
deVAB_u	0.081		[0.05/1] De Vaucouleurs fit b/a u band (deVAB_u) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_g	0.986		[0.05/1] De Vaucouleurs fit b/a g band (deVAB_g) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_r	0.649		[0.05/1] De Vaucouleurs fit b/a r band (deVAB_r) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_i	0.101		[0.05/1] De Vaucouleurs fit b/a i band (deVAB_i) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_z	0.075		[0.05/1] De Vaucouleurs fit b/a z band (deVAB_z) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVPhi_u	135.2	deg	[-10105/271] Position angle of dVrad in u band (deVPhi_u) (pos.posAng) (POS_POS-ANG)
deVPhi_g	40.6	deg	[-10105/271] Position angle of dVrad in g band (deVPhi_g) (pos.posAng) (POS_POS-ANG)
deVPhi_r	103.3	deg	[-10105/271] Position angle of dVrad in r band (deVPhi_r) (pos.posAng) (POS_POS-ANG)
deVPhi_i	13.7	deg	[-10105/271] Position angle of dVrad in i band (deVPhi_i) (pos.posAng) (POS_POS-ANG)
deVPhi_z	109.8	deg	[-10105/271] Position angle of dVrad in z band (deVPhi_z) (pos.posAng) (POS_POS-ANG)
flags_u	275280691728		Detection flags u band (flags_u) (Note 3)   (meta.code) (CODE_MISC)
flags_g	268468240		Detection flags g band (flags_g) (Note 3)   (meta.code) (CODE_MISC)
flags_r	4503599895805968		Detection flags r band (flags_r) (Note 3)   (meta.code) (CODE_MISC)
flags_i	158329942966288		Detection flags i band (flags_i) (Note 3)   (meta.code) (CODE_MISC)
flags_z	275146342416		Detection flags z band (flags_z) (Note 3)   (meta.code) (CODE_MISC)
type_u	6		[0/8] Phototype in u band (6=Star ; 3=galaxy) (type_u) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_g	6		[0/8] Phototype in i band (6=Star ; 3=galaxy) (type_g) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_r	6		[0/8] Phototype in r band (6=Star ; 3=galaxy) (type_r) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_i	6		[0/8] Phototype in i band (6=Star ; 3=galaxy) (type_i) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_z	6		[0/8] Phototype in z band (6=Star ; 3=galaxy) (type_z) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_u	1.0		[0/1] 0=notStar 1=Star in u band (probPSF_u) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_g	1.0		[0/1] 0=notStar 1=Star in g band (probPSF_g) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_r	1.0		[0/1] 0=notStar 1=Star in r band (probPSF_r) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_i	1.0		[0/1] 0=notStar 1=Star in i band (probPSF_i) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_z	1.0		[0/1] 0=notStar 1=Star in z band (probPSF_z) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
raErr	0.005	arcsec	[0/51703] Mean error on RAdeg (raErr) (stat.error;pos.eq.ra) (ERROR)
decErr	0.005	arcsec	[0/22795] Mean error on DEdeg (decErr) (stat.error;pos.eq.dec) (ERROR)
offsetRa_u	-0.02	arcsec	Offset of u position along RA (offsetRa_u) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_g	0.04	arcsec	Offset of g position along RA (offsetRa_g) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_r	0.00	arcsec	Offset of r position along RA (offsetRa_r) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_i	0.02	arcsec	Offset of i position along RA (offsetRa_i) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_z	0.09	arcsec	Offset of z position along RA (offsetRa_z) (pos.angDistance) (POS_EQ_RA_OFF)
offsetDec_u	0.11	arcsec	Offset of u position along Dec (offsetDec_u) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_g	0.02	arcsec	Offset of g position along Dec (offsetDec_g) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_r	0.00	arcsec	Offset of r position along Dec (offsetDec_r) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_i	0.06	arcsec	Offset of i position along Dec (offsetDec_i) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_z	-0.01	arcsec	Offset of z position along Dec (offsetDec_z) (pos.angDistance) (POS_EQ_DEC_OFF)
parentID	1237657104988897427		Pointer to parent (if object deblended) (meta.id.parent) (ID_PARENT)
specObjID	0		(i) Pointer to the spectrum of object or 0 (specObjID) (Note 6)   (meta.id) (ID_ALTERNATIVE)
u	20.111	mag	(i) [4/37.3] Model magnitude in u filter AB scale (u) (Note 7)   (phot.mag;em.opt.U) (PHOT_SDSS_U)
g	19.132	mag	(i) [3.7/39.6] Model magnitude in g filter AB scale (g) (Note 7)   (phot.mag;em.opt.B) (PHOT_SDSS_G)
r	19.011	mag	(i) [3.8/40.4] Model magnitude in r filter AB scale (r) (Note 7)   (phot.mag;em.opt.R) (PHOT_SDSS_R)
i	18.966	mag	(i) [2.6/39.5] Model magnitude in i filter AB scale (i) (Note 7)   (phot.mag;em.opt.I) (PHOT_SDSS_I)
z	19.043	mag	(i) [3.5/37.2] Model magnitude in z filter AB scale (z) (Note 7)   (phot.mag;em.opt.I) (PHOT_SDSS_Z)
err_u	0.041	mag	[8.9e-8/3444] Mean error on umag (err_u) (stat.error;phot.mag) (ERROR)
err_g	0.010	mag	[3.8e-8/5955] Mean error on gmag (err_g) (stat.error;phot.mag) (ERROR)
err_r	0.011	mag	[5.2e-8/915] Mean error on rmag (err_r) (stat.error;phot.mag) (ERROR)
err_i	0.014	mag	[0/634] Mean error on imag (err_i) (stat.error;phot.mag) (ERROR)
err_z	0.049	mag	[9.4e-8/3529] Mean error on zmag (err_z) (stat.error;phot.mag) (ERROR)
resolveStatus	1025		[0/4145] Decimal status (resolveStatus) (Note 5)   (meta.code) (CODE_MISC)
spec_instrument			Spectral instrument used ("SDSS" or "BOSS") (spec_instrument) (Note 6)   (meta.id;instr) (INST_ID)
spec_sourceType			Source type (spec_sourceType) (6) (Note 8)   (src.class) (CLASS_OBJECT)
spec_z			(i) [-0.012/7.06] Spectroscopic final redshift (when SpObjID>0) (spec_z) (Note 6)   (src.redshift) (REDSHIFT_HC)
spec_zErr			[-6/30689] Mean error on zsp (negative for bad fit) (spec_zErr) (Note 6)   (stat.error) (ERROR)
spec_zWarning			[0/902] Zwarning flag (spec_zWarning) (6) (Note 9)   (meta.code) (CODE_MISC)
spec_class			Spectroscopic class: "GALAXY"; "QSO"; "STAR" (spec_class) (Note 6)   (meta.code.class;pos.parallax.spect) (CLASS_STAR/GALAXY)
spec_subClass			Spectroscopic subclass (spec_subClass) (6) (Note 10)   (src.class) (CLASS_OBJECT)
spec_velDisp		km/s	[0/850] Velocity dispersion (spec_velDisp) (Note 6)   (phys.veloc.dispersion) (VELOC_DISP)
spec_velDispErr		km/s	[-7/4526] Mean error on Vdisp (spec_velDispErr) (Note 6)   (stat.error) (ERROR)
spec_snMedian			[-1927/132] Median signal-to-noise over all good pixels (spec_snMedian) (Note 6)   (em.wl.central;stat.median) (INST_S/N)
pm_match	1		[0/4] Number of USNO-B objects matched within 1arcsec (pm_match) (Note 11)   (meta.number) (NUMBER)
pm_pmRa	-2.66	mas/yr	[-6121/5519] Proper motion along Right Ascension (pm_pmRa) (Note 11)   (pos.pm;pos.eq.ra) (POS_EQ_PMRA)
pm_pmDec	-2.22	mas/yr	[-4846/4437] Proper motion along Declination (pm_pmDec) (Note 11)   (pos.pm;pos.eq.dec) (POS_EQ_PMDEC)
pm_pmRaErr	3.30	mas/yr	[0/4709] Mean error on pmRA (pm_pmRaErr) (Note 11)   (stat.error;pos.pm;pos.eq.ra) (ERROR)
pm_pmDecErr	3.30	mas/yr	[0/4709] Mean error on pmDE (pm_pmDecErr) (Note 11)   (stat.error;pos.pm;pos.eq.dec) (ERROR)
pm_sigRa	134.56	mas	[0/8662] RMS residual of proper motion fit in RA (pm_sigRa) (Note 11)   (stat.fit.residual) (FIT_RESIDUAL)
pm_sigDec	165.09	mas	[0/10625] RMS residual of proper motion fit in Dec (pm_sigDec) (Note 11)   (stat.fit.residual) (FIT_RESIDUAL)
pm_nFit	5		[0/6] Number of detections used in the pm fit including SDSS (pm_nFit) (Note 11)   (meta.number) (NUMBER)
pm_O	18.8		[-214740/70189] Magnitude from USNO-B O plate recalibrated to SDSS g (pm_O) (Note 11)   (phot.mag;em.opt.B) (PHOT_PHG_B)
pm_E	19.0		Magnitude from E plate recalibrated to SDSS r (pm_E) (Note 11)   (phot.mag;em.opt.R) (PHOT_PHG_R)
pm_J	19.2		Magnitude from J plate recalibrated to SDSS g (pm_J) (Note 11)   (phot.mag;em.opt.B) (PHOT_PHG_B)
pm_F	19.0		Magnitude from F plate recalibrated to SDSS r (pm_F) (Note 11)   (phot.mag;em.opt.R) (PHOT_PHG_R)
pm_N	0.0		Magnitude from N plate recalibrated to SDSS i (pm_N) (Note 11)   (phot.mag;em.opt.I) (PHOT_PHG_I)
photoz_z			(i) [5e-4/1] Photometric redshift estimated by robust fit to nearest neighbors in a reference set (photoz_z) (Note 12)   (src.redshift) (REDSHIFT_PHOT)
photoz_zErr			[0.003/0.3] Estimated error of the photometric redshift (photoz_zErr) (Note 12)   (stat.error) (ERROR)
photoz_nnAvgZ			[0.009/0.9] Average redshift of the nearest neighbors; if significantly different from zph this might be a better estimate than zph (photoz_nnAvgZ) (Note 12)   (src.redshift.phot) (REDSHIFT_PHOT)
photoz_chisq			[2e-12/6.3e7] Chi-square value for the minimum chi-square template fit (photoz_chisq) (Note 12)   (stat.value) (FIT_CHI2)
field_quality	3		[1/3] Quality of the observation: 1=bad; 2=barely acceptable; 3=good (field_quality) (Note 13)   (meta.code.qual;obs.param;obs) (CODE_QUALITY)
field_mjd_u	52225.1827	d	Date of observation in u band (field_mjd_u) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_g	52225.1843	d	Date of observation in g band (field_mjd_g) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_r	52225.1810	d	Date of observation in r band (field_mjd_r) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_i	52225.1818	d	Date of observation in i band (field_mjd_i) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_z	52225.1835	d	Date of observation in z band (field_mjd_z) (Note 13)   (time.epoch) (TIME_DATE)
SDSS16	SDSS J002716.16-000240.3		(i) SDSS-DR16 name based on J2000 position; provided by CDS (meta.id) (ID_ALTERNATIVE)
SDSS-ID	2708-301-3-0154-0148		(i) SDSS object identifier (run-rerun-camcol-field-object) (Note 1)   (meta.id) (ID_ALTERNATIVE)
Sp-ID			(i) Spectroscopic Plate-MJD-Fiber identifier (plate-mjd-fiberID) (meta.id) (ID_ALTERNATIVE)
MJD	52225.1827	d	Mean observation date (average calculated by CDS from the uMJD, gMJD, rMJD, iMJD, zMJD) (time.epoch) (TIME_DATE)

Column	Value		Explain   (UCD)
_r	0.040	arcsec	Distance from center (006.817346-00.044534)[ICRS], at Epoch of catalog (MJD) (pos.angDistance) (POS_ANG_DIST_GENERAL)
_RAJ2000	00 27 16.16561	"h:m:s"	Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra) (POS_EQ_RA)
_DEJ2000	-00 02 40.3336	"d:m:s"	Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_RAB1950	00 24 42.42853	"h:m:s"	Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra) (POS_EQ_RA)
_DEB1950	-00 19 16.1797	"d:m:s"	Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_Glon	109.84400523	deg	Galactic longitude at Epoch=J0. (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lon) (POS_GAL_LON)
_Glat	-62.30056041	deg	Galactic latitude at Epoch=J0. (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lat) (POS_GAL_LAT)
objID	1237666661307777279		(i) SDSS unique object identifier (1) (links to online SDSS-DR16 data) (Note)   (meta.id;meta.main) (ID_MAIN)
ra	006.817357	deg	(i) Right Ascension of the object (ICRS) at Epoch="MJD" (ra) (pos.eq.ra;meta.main) (POS_EQ_RA_MAIN)
dec	-00.044537	deg	(i) Declination of the object (ICRS) at Epoch="MJD" (dec) (pos.eq.dec;meta.main) (POS_EQ_DEC_MAIN)
fieldID	1237666661307777024		The field this object is in (meta.note) (ID_FIELD)
mode	3		[1/4] PhotoMode (1=primary, 2=secondary, 3=family, 4=outside) (meta.code.class) (CLASS_CODE)
type	6		[0/8] Type of object (3=galaxy, 6=star) (type) (Note 2)   (src.class) (CLASS_OBJECT)
clean	0		[0/1] Clean photometry flag (1=clean; 0=unclean) (meta.code) (CODE_MISC)
flags	281543964753922		Photo Object Attribute flags (Note 3)   (meta.code.error) (CODE_MISC)
psfMag_u	20.059	mag	(i) [4/35] PSF magnitude in u band (psfMag_u) (Note 4)   (phot.mag;em.opt.U) (PHOT_SDSS_U)
psfMag_g	19.123	mag	[3.7/37] PSF magnitude in g band (psfMag_g) (Note 4)   (phot.mag;em.opt.B) (PHOT_SDSS_G)
psfMag_r	19.027	mag	[3.8/36] PSF magnitude in r band (psfMag_r) (Note 4)   (phot.mag;em.opt.R) (PHOT_SDSS_R)
psfMag_i	19.013	mag	[2.6/34] PSF magnitude in i band (psfMag_i) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_I)
psfMag_z	18.977	mag	[3.8/33.3] PSF magnitude in z band (psfMag_z) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_Z)
psfMagErr_u	0.044	mag	[1.5e-5/100] Mean error on upmag (psfMagErr_u) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_g	0.016	mag	Mean error on gpmag (psfMagErr_g) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_r	0.019	mag	Mean error on rpmag (psfMagErr_r) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_i	0.022	mag	Mean error on ipmag (psfMagErr_i) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_z	0.052	mag	Mean error on zpmag (psfMagErr_z) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMag_u	20.208	mag	[-0.4/47.2] Petrosian magnitude in u band (petroMag_u) (Note 4)   (phot.mag;em.opt.U) (PHOT_SDSS_U)
petroMag_g	19.193	mag	[3.7/48] Petrosian magnitude in g band (petroMag_g) (Note 4)   (phot.mag;em.opt.B) (PHOT_SDSS_G)
petroMag_r	19.078	mag	[1.3/48.6] Petrosian magnitude in r band (petroMag_r) (Note 4)   (phot.mag;em.opt.R) (PHOT_SDSS_R)
petroMag_i	19.111	mag	[2.6/48.4] Petrosian magnitude in i band (petroMag_i) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_I)
petroMag_z	19.083	mag	[-2.9/45.1] Petrosian magnitude in z band (petroMag_z) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_Z)
petroMagErr_u	0.071	mag	[1e-7/100] Mean error in uPmag (petroMagErr_u) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_g	0.013	mag	[9.1e-9/100] Mean error in gPmag (petroMagErr_g) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_r	0.020	mag	Mean error in rPmag (petroMagErr_r) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_i	0.030	mag	Mean error in iPmag (petroMagErr_i) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_z	0.115	mag	Mean error in zPmag (petroMagErr_z) (Note 4)   (stat.error;phot.mag) (ERROR)
petroRad_u	1.681	arcsec	[1.2e-6/261] Petrosian radius in u band (petroRad_u) (phys.angSize;src) (EXTENSION_RAD)
petroRad_g	1.668	arcsec	[2.3e-6/261] Petrosian radius in g band (petroRad_g) (phys.angSize;src) (EXTENSION_RAD)
petroRad_r	1.431	arcsec	[4.9e-6/260] Petrosian radius in r band (petroRad_r) (phys.angSize;src) (EXTENSION_RAD)
petroRad_i	1.335	arcsec	[2.2e-6/263] Petrosian radius in i band (petroRad_i) (phys.angSize;src) (EXTENSION_RAD)
petroRad_z	1.041	arcsec	[8.3e-7/261] Petrosian radius in z band (petroRad_z) (phys.angSize;src) (EXTENSION_RAD)
petroRadErr_u	0.146	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_u) (stat.error) (ERROR)
petroRadErr_g	0.028	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_g) (stat.error) (ERROR)
petroRadErr_r	0.032	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_r) (stat.error) (ERROR)
petroRadErr_i	0.038	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_i) (stat.error) (ERROR)
petroRadErr_z	0.059	arcsec	[-1000/257] Mean error in rPrad (petroRadErr_z) (stat.error) (ERROR)
deVRad_u	0.003	arcsec	[0/257] De Vaucouleurs fit radius u band (deVRad_u) (phys.angSize;src) (EXTENSION_RAD)
deVRad_g	0.065	arcsec	[0/238] De Vaucouleurs fit radius g band (deVRad_g) (phys.angSize;src) (EXTENSION_RAD)
deVRad_r	0.058	arcsec	[0/238] De Vaucouleurs fit radius r band (deVRad_r) (phys.angSize;src) (EXTENSION_RAD)
deVRad_i	0.027	arcsec	[0/232] De Vaucouleurs fit radius i band (deVRad_i) (phys.angSize;src) (EXTENSION_RAD)
deVRad_z	0.000	arcsec	[0/238] De Vaucouleurs fit radius z band (deVRad_z) (phys.angSize;src) (EXTENSION_RAD)
deVAB_u	0.163		[0.05/1] De Vaucouleurs fit b/a u band (deVAB_u) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_g	0.300		[0.05/1] De Vaucouleurs fit b/a g band (deVAB_g) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_r	0.398		[0.05/1] De Vaucouleurs fit b/a r band (deVAB_r) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_i	0.356		[0.05/1] De Vaucouleurs fit b/a i band (deVAB_i) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_z	0.312		[0.05/1] De Vaucouleurs fit b/a z band (deVAB_z) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVPhi_u	87.0	deg	[-10105/271] Position angle of dVrad in u band (deVPhi_u) (pos.posAng) (POS_POS-ANG)
deVPhi_g	47.3	deg	[-10105/271] Position angle of dVrad in g band (deVPhi_g) (pos.posAng) (POS_POS-ANG)
deVPhi_r	103.9	deg	[-10105/271] Position angle of dVrad in r band (deVPhi_r) (pos.posAng) (POS_POS-ANG)
deVPhi_i	101.4	deg	[-10105/271] Position angle of dVrad in i band (deVPhi_i) (pos.posAng) (POS_POS-ANG)
deVPhi_z	107.1	deg	[-10105/271] Position angle of dVrad in z band (deVPhi_z) (pos.posAng) (POS_POS-ANG)
flags_u	275146375168		Detection flags u band (flags_u) (Note 3)   (meta.code) (CODE_MISC)
flags_g	275146375170		Detection flags g band (flags_g) (Note 3)   (meta.code) (CODE_MISC)
flags_r	4503874773745666		Detection flags r band (flags_r) (Note 3)   (meta.code) (CODE_MISC)
flags_i	275146506240		Detection flags i band (flags_i) (Note 3)   (meta.code) (CODE_MISC)
flags_z	275280592896		Detection flags z band (flags_z) (Note 3)   (meta.code) (CODE_MISC)
type_u	6		[0/8] Phototype in u band (6=Star ; 3=galaxy) (type_u) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_g	6		[0/8] Phototype in i band (6=Star ; 3=galaxy) (type_g) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_r	6		[0/8] Phototype in r band (6=Star ; 3=galaxy) (type_r) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_i	6		[0/8] Phototype in i band (6=Star ; 3=galaxy) (type_i) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_z	6		[0/8] Phototype in z band (6=Star ; 3=galaxy) (type_z) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_u	1.0		[0/1] 0=notStar 1=Star in u band (probPSF_u) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_g	1.0		[0/1] 0=notStar 1=Star in g band (probPSF_g) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_r	1.0		[0/1] 0=notStar 1=Star in r band (probPSF_r) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_i	1.0		[0/1] 0=notStar 1=Star in i band (probPSF_i) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_z	1.0		[0/1] 0=notStar 1=Star in z band (probPSF_z) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
raErr	0.008	arcsec	[0/51703] Mean error on RAdeg (raErr) (stat.error;pos.eq.ra) (ERROR)
decErr	0.008	arcsec	[0/22795] Mean error on DEdeg (decErr) (stat.error;pos.eq.dec) (ERROR)
offsetRa_u	0.00	arcsec	Offset of u position along RA (offsetRa_u) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_g	0.01	arcsec	Offset of g position along RA (offsetRa_g) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_r	0.00	arcsec	Offset of r position along RA (offsetRa_r) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_i	0.00	arcsec	Offset of i position along RA (offsetRa_i) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_z	0.01	arcsec	Offset of z position along RA (offsetRa_z) (pos.angDistance) (POS_EQ_RA_OFF)
offsetDec_u	-0.05	arcsec	Offset of u position along Dec (offsetDec_u) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_g	-0.00	arcsec	Offset of g position along Dec (offsetDec_g) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_r	0.00	arcsec	Offset of r position along Dec (offsetDec_r) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_i	-0.01	arcsec	Offset of i position along Dec (offsetDec_i) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_z	0.03	arcsec	Offset of z position along Dec (offsetDec_z) (pos.angDistance) (POS_EQ_DEC_OFF)
parentID	0		Pointer to parent (if object deblended) (meta.id.parent) (ID_PARENT)
specObjID	0		(i) Pointer to the spectrum of object or 0 (specObjID) (Note 6)   (meta.id) (ID_ALTERNATIVE)
u	20.094	mag	(i) [4/37.3] Model magnitude in u filter AB scale (u) (Note 7)   (phot.mag;em.opt.U) (PHOT_SDSS_U)
g	19.120	mag	(i) [3.7/39.6] Model magnitude in g filter AB scale (g) (Note 7)   (phot.mag;em.opt.B) (PHOT_SDSS_G)
r	19.023	mag	(i) [3.8/40.4] Model magnitude in r filter AB scale (r) (Note 7)   (phot.mag;em.opt.R) (PHOT_SDSS_R)
i	19.013	mag	(i) [2.6/39.5] Model magnitude in i filter AB scale (i) (Note 7)   (phot.mag;em.opt.I) (PHOT_SDSS_I)
z	18.955	mag	(i) [3.5/37.2] Model magnitude in z filter AB scale (z) (Note 7)   (phot.mag;em.opt.I) (PHOT_SDSS_Z)
err_u	0.047	mag	[8.9e-8/3444] Mean error on umag (err_u) (stat.error;phot.mag) (ERROR)
err_g	0.010	mag	[3.8e-8/5955] Mean error on gmag (err_g) (stat.error;phot.mag) (ERROR)
err_r	0.012	mag	[5.2e-8/915] Mean error on rmag (err_r) (stat.error;phot.mag) (ERROR)
err_i	0.018	mag	[0/634] Mean error on imag (err_i) (stat.error;phot.mag) (ERROR)
err_z	0.052	mag	[9.4e-8/3529] Mean error on zmag (err_z) (stat.error;phot.mag) (ERROR)
resolveStatus	8		[0/4145] Decimal status (resolveStatus) (Note 5)   (meta.code) (CODE_MISC)
spec_instrument			Spectral instrument used ("SDSS" or "BOSS") (spec_instrument) (Note 6)   (meta.id;instr) (INST_ID)
spec_sourceType			Source type (spec_sourceType) (6) (Note 8)   (src.class) (CLASS_OBJECT)
spec_z			(i) [-0.012/7.06] Spectroscopic final redshift (when SpObjID>0) (spec_z) (Note 6)   (src.redshift) (REDSHIFT_HC)
spec_zErr			[-6/30689] Mean error on zsp (negative for bad fit) (spec_zErr) (Note 6)   (stat.error) (ERROR)
spec_zWarning			[0/902] Zwarning flag (spec_zWarning) (6) (Note 9)   (meta.code) (CODE_MISC)
spec_class			Spectroscopic class: "GALAXY"; "QSO"; "STAR" (spec_class) (Note 6)   (meta.code.class;pos.parallax.spect) (CLASS_STAR/GALAXY)
spec_subClass			Spectroscopic subclass (spec_subClass) (6) (Note 10)   (src.class) (CLASS_OBJECT)
spec_velDisp		km/s	[0/850] Velocity dispersion (spec_velDisp) (Note 6)   (phys.veloc.dispersion) (VELOC_DISP)
spec_velDispErr		km/s	[-7/4526] Mean error on Vdisp (spec_velDispErr) (Note 6)   (stat.error) (ERROR)
spec_snMedian			[-1927/132] Median signal-to-noise over all good pixels (spec_snMedian) (Note 6)   (em.wl.central;stat.median) (INST_S/N)
pm_match			[0/4] Number of USNO-B objects matched within 1arcsec (pm_match) (Note 11)   (meta.number) (NUMBER)
pm_pmRa		mas/yr	[-6121/5519] Proper motion along Right Ascension (pm_pmRa) (Note 11)   (pos.pm;pos.eq.ra) (POS_EQ_PMRA)
pm_pmDec		mas/yr	[-4846/4437] Proper motion along Declination (pm_pmDec) (Note 11)   (pos.pm;pos.eq.dec) (POS_EQ_PMDEC)
pm_pmRaErr		mas/yr	[0/4709] Mean error on pmRA (pm_pmRaErr) (Note 11)   (stat.error;pos.pm;pos.eq.ra) (ERROR)
pm_pmDecErr		mas/yr	[0/4709] Mean error on pmDE (pm_pmDecErr) (Note 11)   (stat.error;pos.pm;pos.eq.dec) (ERROR)
pm_sigRa		mas	[0/8662] RMS residual of proper motion fit in RA (pm_sigRa) (Note 11)   (stat.fit.residual) (FIT_RESIDUAL)
pm_sigDec		mas	[0/10625] RMS residual of proper motion fit in Dec (pm_sigDec) (Note 11)   (stat.fit.residual) (FIT_RESIDUAL)
pm_nFit			[0/6] Number of detections used in the pm fit including SDSS (pm_nFit) (Note 11)   (meta.number) (NUMBER)
pm_O			[-214740/70189] Magnitude from USNO-B O plate recalibrated to SDSS g (pm_O) (Note 11)   (phot.mag;em.opt.B) (PHOT_PHG_B)
pm_E			Magnitude from E plate recalibrated to SDSS r (pm_E) (Note 11)   (phot.mag;em.opt.R) (PHOT_PHG_R)
pm_J			Magnitude from J plate recalibrated to SDSS g (pm_J) (Note 11)   (phot.mag;em.opt.B) (PHOT_PHG_B)
pm_F			Magnitude from F plate recalibrated to SDSS r (pm_F) (Note 11)   (phot.mag;em.opt.R) (PHOT_PHG_R)
pm_N			Magnitude from N plate recalibrated to SDSS i (pm_N) (Note 11)   (phot.mag;em.opt.I) (PHOT_PHG_I)
photoz_z			(i) [5e-4/1] Photometric redshift estimated by robust fit to nearest neighbors in a reference set (photoz_z) (Note 12)   (src.redshift) (REDSHIFT_PHOT)
photoz_zErr			[0.003/0.3] Estimated error of the photometric redshift (photoz_zErr) (Note 12)   (stat.error) (ERROR)
photoz_nnAvgZ			[0.009/0.9] Average redshift of the nearest neighbors; if significantly different from zph this might be a better estimate than zph (photoz_nnAvgZ) (Note 12)   (src.redshift.phot) (REDSHIFT_PHOT)
photoz_chisq			[2e-12/6.3e7] Chi-square value for the minimum chi-square template fit (photoz_chisq) (Note 12)   (stat.value) (FIT_CHI2)
field_quality	3		[1/3] Quality of the observation: 1=bad; 2=barely acceptable; 3=good (field_quality) (Note 13)   (meta.code.qual;obs.param;obs) (CODE_QUALITY)
field_mjd_u	53314.2223	d	Date of observation in u band (field_mjd_u) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_g	53314.2240	d	Date of observation in g band (field_mjd_g) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_r	53314.2206	d	Date of observation in r band (field_mjd_r) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_i	53314.2215	d	Date of observation in i band (field_mjd_i) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_z	53314.2231	d	Date of observation in z band (field_mjd_z) (Note 13)   (time.epoch) (TIME_DATE)
SDSS16	SDSS J002716.16-000240.3		(i) SDSS-DR16 name based on J2000 position; provided by CDS (meta.id) (ID_ALTERNATIVE)
SDSS-ID	4933-301-3-0408-0255		(i) SDSS object identifier (run-rerun-camcol-field-object) (Note 1)   (meta.id) (ID_ALTERNATIVE)
Sp-ID			(i) Spectroscopic Plate-MJD-Fiber identifier (plate-mjd-fiberID) (meta.id) (ID_ALTERNATIVE)
MJD	53314.2223	d	Mean observation date (average calculated by CDS from the uMJD, gMJD, rMJD, iMJD, zMJD) (time.epoch) (TIME_DATE)

Column	Value		Explain   (UCD)
_r	0.045	arcsec	Distance from center (006.817346-00.044534)[ICRS], at Epoch of catalog (MJD) (pos.angDistance) (POS_ANG_DIST_GENERAL)
_RAJ2000	00 27 16.16438	"h:m:s"	Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra) (POS_EQ_RA)
_DEJ2000	-00 02 40.2822	"d:m:s"	Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_RAB1950	00 24 42.42730	"h:m:s"	Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra) (POS_EQ_RA)
_DEB1950	-00 19 16.1283	"d:m:s"	Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_Glon	109.84400064	deg	Galactic longitude at Epoch=J0. (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lon) (POS_GAL_LON)
_Glat	-62.30054538	deg	Galactic latitude at Epoch=J0. (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lat) (POS_GAL_LAT)
objID	1237645877948317758		(i) SDSS unique object identifier (1) (links to online SDSS-DR16 data) (Note)   (meta.id;meta.main) (ID_MAIN)
ra	006.817352	deg	(i) Right Ascension of the object (ICRS) at Epoch="MJD" (ra) (pos.eq.ra;meta.main) (POS_EQ_RA_MAIN)
dec	-00.044523	deg	(i) Declination of the object (ICRS) at Epoch="MJD" (dec) (pos.eq.dec;meta.main) (POS_EQ_DEC_MAIN)
fieldID	1237645877948317696		The field this object is in (meta.note) (ID_FIELD)
mode	3		[1/4] PhotoMode (1=primary, 2=secondary, 3=family, 4=outside) (meta.code.class) (CLASS_CODE)
type	6		[0/8] Type of object (3=galaxy, 6=star) (type) (Note 2)   (src.class) (CLASS_OBJECT)
clean	0		[0/1] Clean photometry flag (1=clean; 0=unclean) (meta.code) (CODE_MISC)
flags	68987912706		Photo Object Attribute flags (Note 3)   (meta.code.error) (CODE_MISC)
psfMag_u	20.140	mag	(i) [4/35] PSF magnitude in u band (psfMag_u) (Note 4)   (phot.mag;em.opt.U) (PHOT_SDSS_U)
psfMag_g	19.118	mag	[3.7/37] PSF magnitude in g band (psfMag_g) (Note 4)   (phot.mag;em.opt.B) (PHOT_SDSS_G)
psfMag_r	19.025	mag	[3.8/36] PSF magnitude in r band (psfMag_r) (Note 4)   (phot.mag;em.opt.R) (PHOT_SDSS_R)
psfMag_i	18.965	mag	[2.6/34] PSF magnitude in i band (psfMag_i) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_I)
psfMag_z	19.078	mag	[3.8/33.3] PSF magnitude in z band (psfMag_z) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_Z)
psfMagErr_u	0.042	mag	[1.5e-5/100] Mean error on upmag (psfMagErr_u) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_g	0.020	mag	Mean error on gpmag (psfMagErr_g) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_r	0.016	mag	Mean error on rpmag (psfMagErr_r) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_i	0.021	mag	Mean error on ipmag (psfMagErr_i) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_z	0.059	mag	Mean error on zpmag (psfMagErr_z) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMag_u	20.059	mag	[-0.4/47.2] Petrosian magnitude in u band (petroMag_u) (Note 4)   (phot.mag;em.opt.U) (PHOT_SDSS_U)
petroMag_g	19.126	mag	[3.7/48] Petrosian magnitude in g band (petroMag_g) (Note 4)   (phot.mag;em.opt.B) (PHOT_SDSS_G)
petroMag_r	19.038	mag	[1.3/48.6] Petrosian magnitude in r band (petroMag_r) (Note 4)   (phot.mag;em.opt.R) (PHOT_SDSS_R)
petroMag_i	19.029	mag	[2.6/48.4] Petrosian magnitude in i band (petroMag_i) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_I)
petroMag_z	18.936	mag	[-2.9/45.1] Petrosian magnitude in z band (petroMag_z) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_Z)
petroMagErr_u	0.056	mag	[1e-7/100] Mean error in uPmag (petroMagErr_u) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_g	0.013	mag	[9.1e-9/100] Mean error in gPmag (petroMagErr_g) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_r	0.017	mag	Mean error in rPmag (petroMagErr_r) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_i	0.026	mag	Mean error in iPmag (petroMagErr_i) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_z	0.102	mag	Mean error in zPmag (petroMagErr_z) (Note 4)   (stat.error;phot.mag) (ERROR)
petroRad_u	4.475	arcsec	[1.2e-6/261] Petrosian radius in u band (petroRad_u) (phys.angSize;src) (EXTENSION_RAD)
petroRad_g	1.493	arcsec	[2.3e-6/261] Petrosian radius in g band (petroRad_g) (phys.angSize;src) (EXTENSION_RAD)
petroRad_r	1.306	arcsec	[4.9e-6/260] Petrosian radius in r band (petroRad_r) (phys.angSize;src) (EXTENSION_RAD)
petroRad_i	1.402	arcsec	[2.2e-6/263] Petrosian radius in i band (petroRad_i) (phys.angSize;src) (EXTENSION_RAD)
petroRad_z	4.769	arcsec	[8.3e-7/261] Petrosian radius in z band (petroRad_z) (phys.angSize;src) (EXTENSION_RAD)
petroRadErr_u	3.946	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_u) (stat.error) (ERROR)
petroRadErr_g	0.022	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_g) (stat.error) (ERROR)
petroRadErr_r	0.026	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_r) (stat.error) (ERROR)
petroRadErr_i	0.045	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_i) (stat.error) (ERROR)
petroRadErr_z	1.790	arcsec	[-1000/257] Mean error in rPrad (petroRadErr_z) (stat.error) (ERROR)
deVRad_u	0.264	arcsec	[0/257] De Vaucouleurs fit radius u band (deVRad_u) (phys.angSize;src) (EXTENSION_RAD)
deVRad_g	0.042	arcsec	[0/238] De Vaucouleurs fit radius g band (deVRad_g) (phys.angSize;src) (EXTENSION_RAD)
deVRad_r	0.079	arcsec	[0/238] De Vaucouleurs fit radius r band (deVRad_r) (phys.angSize;src) (EXTENSION_RAD)
deVRad_i	0.018	arcsec	[0/232] De Vaucouleurs fit radius i band (deVRad_i) (phys.angSize;src) (EXTENSION_RAD)
deVRad_z	0.256	arcsec	[0/238] De Vaucouleurs fit radius z band (deVRad_z) (phys.angSize;src) (EXTENSION_RAD)
deVAB_u	0.073		[0.05/1] De Vaucouleurs fit b/a u band (deVAB_u) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_g	1.000		[0.05/1] De Vaucouleurs fit b/a g band (deVAB_g) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_r	0.627		[0.05/1] De Vaucouleurs fit b/a r band (deVAB_r) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_i	0.554		[0.05/1] De Vaucouleurs fit b/a i band (deVAB_i) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_z	0.414		[0.05/1] De Vaucouleurs fit b/a z band (deVAB_z) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVPhi_u	99.5	deg	[-10105/271] Position angle of dVrad in u band (deVPhi_u) (pos.posAng) (POS_POS-ANG)
deVPhi_g	105.9	deg	[-10105/271] Position angle of dVrad in g band (deVPhi_g) (pos.posAng) (POS_POS-ANG)
deVPhi_r	104.6	deg	[-10105/271] Position angle of dVrad in r band (deVPhi_r) (pos.posAng) (POS_POS-ANG)
deVPhi_i	137.3	deg	[-10105/271] Position angle of dVrad in i band (deVPhi_i) (pos.posAng) (POS_POS-ANG)
deVPhi_z	94.5	deg	[-10105/271] Position angle of dVrad in z band (deVPhi_z) (pos.posAng) (POS_POS-ANG)
flags_u	275297337856		Detection flags u band (flags_u) (Note 3)   (meta.code) (CODE_MISC)
flags_g	275146375170		Detection flags g band (flags_g) (Note 3)   (meta.code) (CODE_MISC)
flags_r	4503874773745666		Detection flags r band (flags_r) (Note 3)   (meta.code) (CODE_MISC)
flags_i	275171508226		Detection flags i band (flags_i) (Note 3)   (meta.code) (CODE_MISC)
flags_z	275280593408		Detection flags z band (flags_z) (Note 3)   (meta.code) (CODE_MISC)
type_u	6		[0/8] Phototype in u band (6=Star ; 3=galaxy) (type_u) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_g	6		[0/8] Phototype in i band (6=Star ; 3=galaxy) (type_g) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_r	6		[0/8] Phototype in r band (6=Star ; 3=galaxy) (type_r) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_i	6		[0/8] Phototype in i band (6=Star ; 3=galaxy) (type_i) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_z	6		[0/8] Phototype in z band (6=Star ; 3=galaxy) (type_z) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_u	1.0		[0/1] 0=notStar 1=Star in u band (probPSF_u) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_g	1.0		[0/1] 0=notStar 1=Star in g band (probPSF_g) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_r	1.0		[0/1] 0=notStar 1=Star in r band (probPSF_r) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_i	1.0		[0/1] 0=notStar 1=Star in i band (probPSF_i) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_z	1.0		[0/1] 0=notStar 1=Star in z band (probPSF_z) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
raErr	0.007	arcsec	[0/51703] Mean error on RAdeg (raErr) (stat.error;pos.eq.ra) (ERROR)
decErr	0.006	arcsec	[0/22795] Mean error on DEdeg (decErr) (stat.error;pos.eq.dec) (ERROR)
offsetRa_u	-0.09	arcsec	Offset of u position along RA (offsetRa_u) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_g	-0.05	arcsec	Offset of g position along RA (offsetRa_g) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_r	0.00	arcsec	Offset of r position along RA (offsetRa_r) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_i	0.01	arcsec	Offset of i position along RA (offsetRa_i) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_z	-0.07	arcsec	Offset of z position along RA (offsetRa_z) (pos.angDistance) (POS_EQ_RA_OFF)
offsetDec_u	-0.07	arcsec	Offset of u position along Dec (offsetDec_u) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_g	0.05	arcsec	Offset of g position along Dec (offsetDec_g) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_r	0.00	arcsec	Offset of r position along Dec (offsetDec_r) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_i	-0.05	arcsec	Offset of i position along Dec (offsetDec_i) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_z	-0.04	arcsec	Offset of z position along Dec (offsetDec_z) (pos.angDistance) (POS_EQ_DEC_OFF)
parentID	0		Pointer to parent (if object deblended) (meta.id.parent) (ID_PARENT)
specObjID	0		(i) Pointer to the spectrum of object or 0 (specObjID) (Note 6)   (meta.id) (ID_ALTERNATIVE)
u	20.107	mag	(i) [4/37.3] Model magnitude in u filter AB scale (u) (Note 7)   (phot.mag;em.opt.U) (PHOT_SDSS_U)
g	19.111	mag	(i) [3.7/39.6] Model magnitude in g filter AB scale (g) (Note 7)   (phot.mag;em.opt.B) (PHOT_SDSS_G)
r	19.001	mag	(i) [3.8/40.4] Model magnitude in r filter AB scale (r) (Note 7)   (phot.mag;em.opt.R) (PHOT_SDSS_R)
i	18.954	mag	(i) [2.6/39.5] Model magnitude in i filter AB scale (i) (Note 7)   (phot.mag;em.opt.I) (PHOT_SDSS_I)
z	19.046	mag	(i) [3.5/37.2] Model magnitude in z filter AB scale (z) (Note 7)   (phot.mag;em.opt.I) (PHOT_SDSS_Z)
err_u	0.041	mag	[8.9e-8/3444] Mean error on umag (err_u) (stat.error;phot.mag) (ERROR)
err_g	0.010	mag	[3.8e-8/5955] Mean error on gmag (err_g) (stat.error;phot.mag) (ERROR)
err_r	0.011	mag	[5.2e-8/915] Mean error on rmag (err_r) (stat.error;phot.mag) (ERROR)
err_i	0.016	mag	[0/634] Mean error on imag (err_i) (stat.error;phot.mag) (ERROR)
err_z	0.059	mag	[9.4e-8/3529] Mean error on zmag (err_z) (stat.error;phot.mag) (ERROR)
resolveStatus	8		[0/4145] Decimal status (resolveStatus) (Note 5)   (meta.code) (CODE_MISC)
spec_instrument			Spectral instrument used ("SDSS" or "BOSS") (spec_instrument) (Note 6)   (meta.id;instr) (INST_ID)
spec_sourceType			Source type (spec_sourceType) (6) (Note 8)   (src.class) (CLASS_OBJECT)
spec_z			(i) [-0.012/7.06] Spectroscopic final redshift (when SpObjID>0) (spec_z) (Note 6)   (src.redshift) (REDSHIFT_HC)
spec_zErr			[-6/30689] Mean error on zsp (negative for bad fit) (spec_zErr) (Note 6)   (stat.error) (ERROR)
spec_zWarning			[0/902] Zwarning flag (spec_zWarning) (6) (Note 9)   (meta.code) (CODE_MISC)
spec_class			Spectroscopic class: "GALAXY"; "QSO"; "STAR" (spec_class) (Note 6)   (meta.code.class;pos.parallax.spect) (CLASS_STAR/GALAXY)
spec_subClass			Spectroscopic subclass (spec_subClass) (6) (Note 10)   (src.class) (CLASS_OBJECT)
spec_velDisp		km/s	[0/850] Velocity dispersion (spec_velDisp) (Note 6)   (phys.veloc.dispersion) (VELOC_DISP)
spec_velDispErr		km/s	[-7/4526] Mean error on Vdisp (spec_velDispErr) (Note 6)   (stat.error) (ERROR)
spec_snMedian			[-1927/132] Median signal-to-noise over all good pixels (spec_snMedian) (Note 6)   (em.wl.central;stat.median) (INST_S/N)
pm_match			[0/4] Number of USNO-B objects matched within 1arcsec (pm_match) (Note 11)   (meta.number) (NUMBER)
pm_pmRa		mas/yr	[-6121/5519] Proper motion along Right Ascension (pm_pmRa) (Note 11)   (pos.pm;pos.eq.ra) (POS_EQ_PMRA)
pm_pmDec		mas/yr	[-4846/4437] Proper motion along Declination (pm_pmDec) (Note 11)   (pos.pm;pos.eq.dec) (POS_EQ_PMDEC)
pm_pmRaErr		mas/yr	[0/4709] Mean error on pmRA (pm_pmRaErr) (Note 11)   (stat.error;pos.pm;pos.eq.ra) (ERROR)
pm_pmDecErr		mas/yr	[0/4709] Mean error on pmDE (pm_pmDecErr) (Note 11)   (stat.error;pos.pm;pos.eq.dec) (ERROR)
pm_sigRa		mas	[0/8662] RMS residual of proper motion fit in RA (pm_sigRa) (Note 11)   (stat.fit.residual) (FIT_RESIDUAL)
pm_sigDec		mas	[0/10625] RMS residual of proper motion fit in Dec (pm_sigDec) (Note 11)   (stat.fit.residual) (FIT_RESIDUAL)
pm_nFit			[0/6] Number of detections used in the pm fit including SDSS (pm_nFit) (Note 11)   (meta.number) (NUMBER)
pm_O			[-214740/70189] Magnitude from USNO-B O plate recalibrated to SDSS g (pm_O) (Note 11)   (phot.mag;em.opt.B) (PHOT_PHG_B)
pm_E			Magnitude from E plate recalibrated to SDSS r (pm_E) (Note 11)   (phot.mag;em.opt.R) (PHOT_PHG_R)
pm_J			Magnitude from J plate recalibrated to SDSS g (pm_J) (Note 11)   (phot.mag;em.opt.B) (PHOT_PHG_B)
pm_F			Magnitude from F plate recalibrated to SDSS r (pm_F) (Note 11)   (phot.mag;em.opt.R) (PHOT_PHG_R)
pm_N			Magnitude from N plate recalibrated to SDSS i (pm_N) (Note 11)   (phot.mag;em.opt.I) (PHOT_PHG_I)
photoz_z			(i) [5e-4/1] Photometric redshift estimated by robust fit to nearest neighbors in a reference set (photoz_z) (Note 12)   (src.redshift) (REDSHIFT_PHOT)
photoz_zErr			[0.003/0.3] Estimated error of the photometric redshift (photoz_zErr) (Note 12)   (stat.error) (ERROR)
photoz_nnAvgZ			[0.009/0.9] Average redshift of the nearest neighbors; if significantly different from zph this might be a better estimate than zph (photoz_nnAvgZ) (Note 12)   (src.redshift.phot) (REDSHIFT_PHOT)
photoz_chisq			[2e-12/6.3e7] Chi-square value for the minimum chi-square template fit (photoz_chisq) (Note 12)   (stat.value) (FIT_CHI2)
field_quality	3		[1/3] Quality of the observation: 1=bad; 2=barely acceptable; 3=good (field_quality) (Note 13)   (meta.code.qual;obs.param;obs) (CODE_QUALITY)
field_mjd_u	51075.3190	d	Date of observation in u band (field_mjd_u) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_g	51075.3207	d	Date of observation in g band (field_mjd_g) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_r	51075.3174	d	Date of observation in r band (field_mjd_r) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_i	51075.3182	d	Date of observation in i band (field_mjd_i) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_z	51075.3199	d	Date of observation in z band (field_mjd_z) (Note 13)   (time.epoch) (TIME_DATE)
SDSS16	SDSS J002716.16-000240.2		(i) SDSS-DR16 name based on J2000 position; provided by CDS (meta.id) (ID_ALTERNATIVE)
SDSS-ID	94-301-3-0214-0062		(i) SDSS object identifier (run-rerun-camcol-field-object) (Note 1)   (meta.id) (ID_ALTERNATIVE)
Sp-ID			(i) Spectroscopic Plate-MJD-Fiber identifier (plate-mjd-fiberID) (meta.id) (ID_ALTERNATIVE)
MJD	51075.3190	d	Mean observation date (average calculated by CDS from the uMJD, gMJD, rMJD, iMJD, zMJD) (time.epoch) (TIME_DATE)

Column	Value		Explain   (UCD)
_r	0.045	arcsec	Distance from center (006.817346-00.044534)[ICRS], at Epoch of catalog (MJD) (pos.angDistance) (POS_ANG_DIST_GENERAL)
_RAJ2000	00 27 16.16554	"h:m:s"	Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra) (POS_EQ_RA)
_DEJ2000	-00 02 40.3489	"d:m:s"	Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_RAB1950	00 24 42.43851	"h:m:s"	Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra) (POS_EQ_RA)
_DEB1950	-00 19 16.0454	"d:m:s"	Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_Glon	109.84399903	deg	Galactic longitude at Epoch=J0. (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lon) (POS_GAL_LON)
_Glat	-62.30056568	deg	Galactic latitude at Epoch=J0. (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lat) (POS_GAL_LAT)
objID	1237656851586678950		(i) SDSS unique object identifier (1) (links to online SDSS-DR16 data) (Note)   (meta.id;meta.main) (ID_MAIN)
ra	006.817355	deg	(i) Right Ascension of the object (ICRS) at Epoch="MJD" (ra) (pos.eq.ra;meta.main) (POS_EQ_RA_MAIN)
dec	-00.044543	deg	(i) Declination of the object (ICRS) at Epoch="MJD" (dec) (pos.eq.dec;meta.main) (POS_EQ_DEC_MAIN)
fieldID	1237656851586678784		The field this object is in (meta.note) (ID_FIELD)
mode	2		[1/4] PhotoMode (1=primary, 2=secondary, 3=family, 4=outside) (meta.code.class) (CLASS_CODE)
type	6		[0/8] Type of object (3=galaxy, 6=star) (type) (Note 2)   (src.class) (CLASS_OBJECT)
clean	0		[0/1] Clean photometry flag (1=clean; 0=unclean) (meta.code) (CODE_MISC)
flags	68987912704		Photo Object Attribute flags (Note 3)   (meta.code.error) (CODE_MISC)
psfMag_u	20.081	mag	(i) [4/35] PSF magnitude in u band (psfMag_u) (Note 4)   (phot.mag;em.opt.U) (PHOT_SDSS_U)
psfMag_g	19.173	mag	[3.7/37] PSF magnitude in g band (psfMag_g) (Note 4)   (phot.mag;em.opt.B) (PHOT_SDSS_G)
psfMag_r	18.997	mag	[3.8/36] PSF magnitude in r band (psfMag_r) (Note 4)   (phot.mag;em.opt.R) (PHOT_SDSS_R)
psfMag_i	18.980	mag	[2.6/34] PSF magnitude in i band (psfMag_i) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_I)
psfMag_z	19.039	mag	[3.8/33.3] PSF magnitude in z band (psfMag_z) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_Z)
psfMagErr_u	0.043	mag	[1.5e-5/100] Mean error on upmag (psfMagErr_u) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_g	0.016	mag	Mean error on gpmag (psfMagErr_g) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_r	0.016	mag	Mean error on rpmag (psfMagErr_r) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_i	0.025	mag	Mean error on ipmag (psfMagErr_i) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_z	0.047	mag	Mean error on zpmag (psfMagErr_z) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMag_u	20.113	mag	[-0.4/47.2] Petrosian magnitude in u band (petroMag_u) (Note 4)   (phot.mag;em.opt.U) (PHOT_SDSS_U)
petroMag_g	19.193	mag	[3.7/48] Petrosian magnitude in g band (petroMag_g) (Note 4)   (phot.mag;em.opt.B) (PHOT_SDSS_G)
petroMag_r	19.061	mag	[1.3/48.6] Petrosian magnitude in r band (petroMag_r) (Note 4)   (phot.mag;em.opt.R) (PHOT_SDSS_R)
petroMag_i	19.091	mag	[2.6/48.4] Petrosian magnitude in i band (petroMag_i) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_I)
petroMag_z	19.124	mag	[-2.9/45.1] Petrosian magnitude in z band (petroMag_z) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_Z)
petroMagErr_u	0.057	mag	[1e-7/100] Mean error in uPmag (petroMagErr_u) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_g	0.012	mag	[9.1e-9/100] Mean error in gPmag (petroMagErr_g) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_r	0.014	mag	Mean error in rPmag (petroMagErr_r) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_i	0.021	mag	Mean error in iPmag (petroMagErr_i) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_z	0.089	mag	Mean error in zPmag (petroMagErr_z) (Note 4)   (stat.error;phot.mag) (ERROR)
petroRad_u	1.866	arcsec	[1.2e-6/261] Petrosian radius in u band (petroRad_u) (phys.angSize;src) (EXTENSION_RAD)
petroRad_g	1.512	arcsec	[2.3e-6/261] Petrosian radius in g band (petroRad_g) (phys.angSize;src) (EXTENSION_RAD)
petroRad_r	1.033	arcsec	[4.9e-6/260] Petrosian radius in r band (petroRad_r) (phys.angSize;src) (EXTENSION_RAD)
petroRad_i	1.034	arcsec	[2.2e-6/263] Petrosian radius in i band (petroRad_i) (phys.angSize;src) (EXTENSION_RAD)
petroRad_z	1.196	arcsec	[8.3e-7/261] Petrosian radius in z band (petroRad_z) (phys.angSize;src) (EXTENSION_RAD)
petroRadErr_u	0.210	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_u) (stat.error) (ERROR)
petroRadErr_g	0.028	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_g) (stat.error) (ERROR)
petroRadErr_r	0.021	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_r) (stat.error) (ERROR)
petroRadErr_i	0.027	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_i) (stat.error) (ERROR)
petroRadErr_z	0.152	arcsec	[-1000/257] Mean error in rPrad (petroRadErr_z) (stat.error) (ERROR)
deVRad_u	0.203	arcsec	[0/257] De Vaucouleurs fit radius u band (deVRad_u) (phys.angSize;src) (EXTENSION_RAD)
deVRad_g	0.114	arcsec	[0/238] De Vaucouleurs fit radius g band (deVRad_g) (phys.angSize;src) (EXTENSION_RAD)
deVRad_r	0.001	arcsec	[0/238] De Vaucouleurs fit radius r band (deVRad_r) (phys.angSize;src) (EXTENSION_RAD)
deVRad_i	0.022	arcsec	[0/232] De Vaucouleurs fit radius i band (deVRad_i) (phys.angSize;src) (EXTENSION_RAD)
deVRad_z	0.014	arcsec	[0/238] De Vaucouleurs fit radius z band (deVRad_z) (phys.angSize;src) (EXTENSION_RAD)
deVAB_u	0.050		[0.05/1] De Vaucouleurs fit b/a u band (deVAB_u) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_g	0.916		[0.05/1] De Vaucouleurs fit b/a g band (deVAB_g) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_r	0.311		[0.05/1] De Vaucouleurs fit b/a r band (deVAB_r) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_i	0.520		[0.05/1] De Vaucouleurs fit b/a i band (deVAB_i) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_z	0.559		[0.05/1] De Vaucouleurs fit b/a z band (deVAB_z) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVPhi_u	83.6	deg	[-10105/271] Position angle of dVrad in u band (deVPhi_u) (pos.posAng) (POS_POS-ANG)
deVPhi_g	76.9	deg	[-10105/271] Position angle of dVrad in g band (deVPhi_g) (pos.posAng) (POS_POS-ANG)
deVPhi_r	104.9	deg	[-10105/271] Position angle of dVrad in r band (deVPhi_r) (pos.posAng) (POS_POS-ANG)
deVPhi_i	48.0	deg	[-10105/271] Position angle of dVrad in i band (deVPhi_i) (pos.posAng) (POS_POS-ANG)
deVPhi_z	107.0	deg	[-10105/271] Position angle of dVrad in z band (deVPhi_z) (pos.posAng) (POS_POS-ANG)
flags_u	275280592896		Detection flags u band (flags_u) (Note 3)   (meta.code) (CODE_MISC)
flags_g	268468224		Detection flags g band (flags_g) (Note 3)   (meta.code) (CODE_MISC)
flags_r	4503599895838720		Detection flags r band (flags_r) (Note 3)   (meta.code) (CODE_MISC)
flags_i	275297370624		Detection flags i band (flags_i) (Note 3)   (meta.code) (CODE_MISC)
flags_z	275280592896		Detection flags z band (flags_z) (Note 3)   (meta.code) (CODE_MISC)
type_u	6		[0/8] Phototype in u band (6=Star ; 3=galaxy) (type_u) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_g	6		[0/8] Phototype in i band (6=Star ; 3=galaxy) (type_g) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_r	6		[0/8] Phototype in r band (6=Star ; 3=galaxy) (type_r) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_i	6		[0/8] Phototype in i band (6=Star ; 3=galaxy) (type_i) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_z	6		[0/8] Phototype in z band (6=Star ; 3=galaxy) (type_z) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_u	1.0		[0/1] 0=notStar 1=Star in u band (probPSF_u) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_g	1.0		[0/1] 0=notStar 1=Star in g band (probPSF_g) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_r	1.0		[0/1] 0=notStar 1=Star in r band (probPSF_r) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_i	1.0		[0/1] 0=notStar 1=Star in i band (probPSF_i) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_z	1.0		[0/1] 0=notStar 1=Star in z band (probPSF_z) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
raErr	0.005	arcsec	[0/51703] Mean error on RAdeg (raErr) (stat.error;pos.eq.ra) (ERROR)
decErr	0.005	arcsec	[0/22795] Mean error on DEdeg (decErr) (stat.error;pos.eq.dec) (ERROR)
offsetRa_u	0.02	arcsec	Offset of u position along RA (offsetRa_u) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_g	0.06	arcsec	Offset of g position along RA (offsetRa_g) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_r	0.00	arcsec	Offset of r position along RA (offsetRa_r) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_i	-0.02	arcsec	Offset of i position along RA (offsetRa_i) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_z	0.02	arcsec	Offset of z position along RA (offsetRa_z) (pos.angDistance) (POS_EQ_RA_OFF)
offsetDec_u	0.00	arcsec	Offset of u position along Dec (offsetDec_u) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_g	0.05	arcsec	Offset of g position along Dec (offsetDec_g) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_r	0.00	arcsec	Offset of r position along Dec (offsetDec_r) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_i	-0.01	arcsec	Offset of i position along Dec (offsetDec_i) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_z	-0.01	arcsec	Offset of z position along Dec (offsetDec_z) (pos.angDistance) (POS_EQ_DEC_OFF)
parentID	1237656851586678949		Pointer to parent (if object deblended) (meta.id.parent) (ID_PARENT)
specObjID	0		(i) Pointer to the spectrum of object or 0 (specObjID) (Note 6)   (meta.id) (ID_ALTERNATIVE)
u	20.093	mag	(i) [4/37.3] Model magnitude in u filter AB scale (u) (Note 7)   (phot.mag;em.opt.U) (PHOT_SDSS_U)
g	19.152	mag	(i) [3.7/39.6] Model magnitude in g filter AB scale (g) (Note 7)   (phot.mag;em.opt.B) (PHOT_SDSS_G)
r	19.003	mag	(i) [3.8/40.4] Model magnitude in r filter AB scale (r) (Note 7)   (phot.mag;em.opt.R) (PHOT_SDSS_R)
i	18.987	mag	(i) [2.6/39.5] Model magnitude in i filter AB scale (i) (Note 7)   (phot.mag;em.opt.I) (PHOT_SDSS_I)
z	19.056	mag	(i) [3.5/37.2] Model magnitude in z filter AB scale (z) (Note 7)   (phot.mag;em.opt.I) (PHOT_SDSS_Z)
err_u	0.047	mag	[8.9e-8/3444] Mean error on umag (err_u) (stat.error;phot.mag) (ERROR)
err_g	0.010	mag	[3.8e-8/5955] Mean error on gmag (err_g) (stat.error;phot.mag) (ERROR)
err_r	0.011	mag	[5.2e-8/915] Mean error on rmag (err_r) (stat.error;phot.mag) (ERROR)
err_i	0.014	mag	[0/634] Mean error on imag (err_i) (stat.error;phot.mag) (ERROR)
err_z	0.049	mag	[9.4e-8/3529] Mean error on zmag (err_z) (stat.error;phot.mag) (ERROR)
resolveStatus	1025		[0/4145] Decimal status (resolveStatus) (Note 5)   (meta.code) (CODE_MISC)
spec_instrument			Spectral instrument used ("SDSS" or "BOSS") (spec_instrument) (Note 6)   (meta.id;instr) (INST_ID)
spec_sourceType			Source type (spec_sourceType) (6) (Note 8)   (src.class) (CLASS_OBJECT)
spec_z			(i) [-0.012/7.06] Spectroscopic final redshift (when SpObjID>0) (spec_z) (Note 6)   (src.redshift) (REDSHIFT_HC)
spec_zErr			[-6/30689] Mean error on zsp (negative for bad fit) (spec_zErr) (Note 6)   (stat.error) (ERROR)
spec_zWarning			[0/902] Zwarning flag (spec_zWarning) (6) (Note 9)   (meta.code) (CODE_MISC)
spec_class			Spectroscopic class: "GALAXY"; "QSO"; "STAR" (spec_class) (Note 6)   (meta.code.class;pos.parallax.spect) (CLASS_STAR/GALAXY)
spec_subClass			Spectroscopic subclass (spec_subClass) (6) (Note 10)   (src.class) (CLASS_OBJECT)
spec_velDisp		km/s	[0/850] Velocity dispersion (spec_velDisp) (Note 6)   (phys.veloc.dispersion) (VELOC_DISP)
spec_velDispErr		km/s	[-7/4526] Mean error on Vdisp (spec_velDispErr) (Note 6)   (stat.error) (ERROR)
spec_snMedian			[-1927/132] Median signal-to-noise over all good pixels (spec_snMedian) (Note 6)   (em.wl.central;stat.median) (INST_S/N)
pm_match	1		[0/4] Number of USNO-B objects matched within 1arcsec (pm_match) (Note 11)   (meta.number) (NUMBER)
pm_pmRa	-3.01	mas/yr	[-6121/5519] Proper motion along Right Ascension (pm_pmRa) (Note 11)   (pos.pm;pos.eq.ra) (POS_EQ_PMRA)
pm_pmDec	-2.99	mas/yr	[-4846/4437] Proper motion along Declination (pm_pmDec) (Note 11)   (pos.pm;pos.eq.dec) (POS_EQ_PMDEC)
pm_pmRaErr	3.31	mas/yr	[0/4709] Mean error on pmRA (pm_pmRaErr) (Note 11)   (stat.error;pos.pm;pos.eq.ra) (ERROR)
pm_pmDecErr	3.31	mas/yr	[0/4709] Mean error on pmDE (pm_pmDecErr) (Note 11)   (stat.error;pos.pm;pos.eq.dec) (ERROR)
pm_sigRa	137.95	mas	[0/8662] RMS residual of proper motion fit in RA (pm_sigRa) (Note 11)   (stat.fit.residual) (FIT_RESIDUAL)
pm_sigDec	187.76	mas	[0/10625] RMS residual of proper motion fit in Dec (pm_sigDec) (Note 11)   (stat.fit.residual) (FIT_RESIDUAL)
pm_nFit	5		[0/6] Number of detections used in the pm fit including SDSS (pm_nFit) (Note 11)   (meta.number) (NUMBER)
pm_O	18.8		[-214740/70189] Magnitude from USNO-B O plate recalibrated to SDSS g (pm_O) (Note 11)   (phot.mag;em.opt.B) (PHOT_PHG_B)
pm_E	19.1		Magnitude from E plate recalibrated to SDSS r (pm_E) (Note 11)   (phot.mag;em.opt.R) (PHOT_PHG_R)
pm_J	19.2		Magnitude from J plate recalibrated to SDSS g (pm_J) (Note 11)   (phot.mag;em.opt.B) (PHOT_PHG_B)
pm_F	19.0		Magnitude from F plate recalibrated to SDSS r (pm_F) (Note 11)   (phot.mag;em.opt.R) (PHOT_PHG_R)
pm_N	0.0		Magnitude from N plate recalibrated to SDSS i (pm_N) (Note 11)   (phot.mag;em.opt.I) (PHOT_PHG_I)
photoz_z			(i) [5e-4/1] Photometric redshift estimated by robust fit to nearest neighbors in a reference set (photoz_z) (Note 12)   (src.redshift) (REDSHIFT_PHOT)
photoz_zErr			[0.003/0.3] Estimated error of the photometric redshift (photoz_zErr) (Note 12)   (stat.error) (ERROR)
photoz_nnAvgZ			[0.009/0.9] Average redshift of the nearest neighbors; if significantly different from zph this might be a better estimate than zph (photoz_nnAvgZ) (Note 12)   (src.redshift.phot) (REDSHIFT_PHOT)
photoz_chisq			[2e-12/6.3e7] Chi-square value for the minimum chi-square template fit (photoz_chisq) (Note 12)   (stat.value) (FIT_CHI2)
field_quality	3		[1/3] Quality of the observation: 1=bad; 2=barely acceptable; 3=good (field_quality) (Note 13)   (meta.code.qual;obs.param;obs) (CODE_QUALITY)
field_mjd_u	52196.3193	d	Date of observation in u band (field_mjd_u) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_g	52196.3210	d	Date of observation in g band (field_mjd_g) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_r	52196.3177	d	Date of observation in r band (field_mjd_r) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_i	52196.3185	d	Date of observation in i band (field_mjd_i) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_z	52196.3201	d	Date of observation in z band (field_mjd_z) (Note 13)   (time.epoch) (TIME_DATE)
SDSS16	SDSS J002716.16-000240.3		(i) SDSS-DR16 name based on J2000 position; provided by CDS (meta.id) (ID_ALTERNATIVE)
SDSS-ID	2649-301-3-0167-0166		(i) SDSS object identifier (run-rerun-camcol-field-object) (Note 1)   (meta.id) (ID_ALTERNATIVE)
Sp-ID			(i) Spectroscopic Plate-MJD-Fiber identifier (plate-mjd-fiberID) (meta.id) (ID_ALTERNATIVE)
MJD	52196.3193	d	Mean observation date (average calculated by CDS from the uMJD, gMJD, rMJD, iMJD, zMJD) (time.epoch) (TIME_DATE)

Column	Value		Explain   (UCD)
_r	0.056	arcsec	Distance from center (006.817346-00.044534)[ICRS], at Epoch of catalog (MJD) (pos.angDistance) (POS_ANG_DIST_GENERAL)
_RAJ2000	00 27 16.16619	"h:m:s"	Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra) (POS_EQ_RA)
_DEJ2000	-00 02 40.3530	"d:m:s"	Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_RAB1950	00 24 42.42911	"h:m:s"	Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra) (POS_EQ_RA)
_DEB1950	-00 19 16.1991	"d:m:s"	Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_Glon	109.84400799	deg	Galactic longitude at Epoch=J0. (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lon) (POS_GAL_LON)
_Glat	-62.30056618	deg	Galactic latitude at Epoch=J0. (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lat) (POS_GAL_LAT)
objID	1237666407908507900		(i) SDSS unique object identifier (1) (links to online SDSS-DR16 data) (Note)   (meta.id;meta.main) (ID_MAIN)
ra	006.817359	deg	(i) Right Ascension of the object (ICRS) at Epoch="MJD" (ra) (pos.eq.ra;meta.main) (POS_EQ_RA_MAIN)
dec	-00.044543	deg	(i) Declination of the object (ICRS) at Epoch="MJD" (dec) (pos.eq.dec;meta.main) (POS_EQ_DEC_MAIN)
fieldID	1237666407908507648		The field this object is in (meta.note) (ID_FIELD)
mode	3		[1/4] PhotoMode (1=primary, 2=secondary, 3=family, 4=outside) (meta.code.class) (CLASS_CODE)
type	6		[0/8] Type of object (3=galaxy, 6=star) (type) (Note 2)   (src.class) (CLASS_OBJECT)
clean	0		[0/1] Clean photometry flag (1=clean; 0=unclean) (meta.code) (CODE_MISC)
flags	281543964622850		Photo Object Attribute flags (Note 3)   (meta.code.error) (CODE_MISC)
psfMag_u	20.158	mag	(i) [4/35] PSF magnitude in u band (psfMag_u) (Note 4)   (phot.mag;em.opt.U) (PHOT_SDSS_U)
psfMag_g	19.125	mag	[3.7/37] PSF magnitude in g band (psfMag_g) (Note 4)   (phot.mag;em.opt.B) (PHOT_SDSS_G)
psfMag_r	19.005	mag	[3.8/36] PSF magnitude in r band (psfMag_r) (Note 4)   (phot.mag;em.opt.R) (PHOT_SDSS_R)
psfMag_i	19.040	mag	[2.6/34] PSF magnitude in i band (psfMag_i) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_I)
psfMag_z	18.993	mag	[3.8/33.3] PSF magnitude in z band (psfMag_z) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_Z)
psfMagErr_u	0.059	mag	[1.5e-5/100] Mean error on upmag (psfMagErr_u) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_g	0.019	mag	Mean error on gpmag (psfMagErr_g) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_r	0.020	mag	Mean error on rpmag (psfMagErr_r) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_i	0.019	mag	Mean error on ipmag (psfMagErr_i) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_z	0.052	mag	Mean error on zpmag (psfMagErr_z) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMag_u	19.993	mag	[-0.4/47.2] Petrosian magnitude in u band (petroMag_u) (Note 4)   (phot.mag;em.opt.U) (PHOT_SDSS_U)
petroMag_g	19.147	mag	[3.7/48] Petrosian magnitude in g band (petroMag_g) (Note 4)   (phot.mag;em.opt.B) (PHOT_SDSS_G)
petroMag_r	19.066	mag	[1.3/48.6] Petrosian magnitude in r band (petroMag_r) (Note 4)   (phot.mag;em.opt.R) (PHOT_SDSS_R)
petroMag_i	19.134	mag	[2.6/48.4] Petrosian magnitude in i band (petroMag_i) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_I)
petroMag_z	18.735	mag	[-2.9/45.1] Petrosian magnitude in z band (petroMag_z) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_Z)
petroMagErr_u	0.081	mag	[1e-7/100] Mean error in uPmag (petroMagErr_u) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_g	0.016	mag	[9.1e-9/100] Mean error in gPmag (petroMagErr_g) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_r	0.022	mag	Mean error in rPmag (petroMagErr_r) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_i	0.032	mag	Mean error in iPmag (petroMagErr_i) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_z	0.088	mag	Mean error in zPmag (petroMagErr_z) (Note 4)   (stat.error;phot.mag) (ERROR)
petroRad_u	3.008	arcsec	[1.2e-6/261] Petrosian radius in u band (petroRad_u) (phys.angSize;src) (EXTENSION_RAD)
petroRad_g	1.604	arcsec	[2.3e-6/261] Petrosian radius in g band (petroRad_g) (phys.angSize;src) (EXTENSION_RAD)
petroRad_r	1.694	arcsec	[4.9e-6/260] Petrosian radius in r band (petroRad_r) (phys.angSize;src) (EXTENSION_RAD)
petroRad_i	1.372	arcsec	[2.2e-6/263] Petrosian radius in i band (petroRad_i) (phys.angSize;src) (EXTENSION_RAD)
petroRad_z	2.717	arcsec	[8.3e-7/261] Petrosian radius in z band (petroRad_z) (phys.angSize;src) (EXTENSION_RAD)
petroRadErr_u	0.762	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_u) (stat.error) (ERROR)
petroRadErr_g	0.010	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_g) (stat.error) (ERROR)
petroRadErr_r	0.049	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_r) (stat.error) (ERROR)
petroRadErr_i	0.042	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_i) (stat.error) (ERROR)
petroRadErr_z	0.602	arcsec	[-1000/257] Mean error in rPrad (petroRadErr_z) (stat.error) (ERROR)
deVRad_u	0.651	arcsec	[0/257] De Vaucouleurs fit radius u band (deVRad_u) (phys.angSize;src) (EXTENSION_RAD)
deVRad_g	0.064	arcsec	[0/238] De Vaucouleurs fit radius g band (deVRad_g) (phys.angSize;src) (EXTENSION_RAD)
deVRad_r	0.000	arcsec	[0/238] De Vaucouleurs fit radius r band (deVRad_r) (phys.angSize;src) (EXTENSION_RAD)
deVRad_i	0.000	arcsec	[0/232] De Vaucouleurs fit radius i band (deVRad_i) (phys.angSize;src) (EXTENSION_RAD)
deVRad_z	0.286	arcsec	[0/238] De Vaucouleurs fit radius z band (deVRad_z) (phys.angSize;src) (EXTENSION_RAD)
deVAB_u	0.487		[0.05/1] De Vaucouleurs fit b/a u band (deVAB_u) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_g	1.000		[0.05/1] De Vaucouleurs fit b/a g band (deVAB_g) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_r	0.770		[0.05/1] De Vaucouleurs fit b/a r band (deVAB_r) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_i	0.662		[0.05/1] De Vaucouleurs fit b/a i band (deVAB_i) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_z	0.050		[0.05/1] De Vaucouleurs fit b/a z band (deVAB_z) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVPhi_u	23.5	deg	[-10105/271] Position angle of dVrad in u band (deVPhi_u) (pos.posAng) (POS_POS-ANG)
deVPhi_g	45.8	deg	[-10105/271] Position angle of dVrad in g band (deVPhi_g) (pos.posAng) (POS_POS-ANG)
deVPhi_r	165.4	deg	[-10105/271] Position angle of dVrad in r band (deVPhi_r) (pos.posAng) (POS_POS-ANG)
deVPhi_i	128.4	deg	[-10105/271] Position angle of dVrad in i band (deVPhi_i) (pos.posAng) (POS_POS-ANG)
deVPhi_z	155.6	deg	[-10105/271] Position angle of dVrad in z band (deVPhi_z) (pos.posAng) (POS_POS-ANG)
flags_u	275146375168		Detection flags u band (flags_u) (Note 3)   (meta.code) (CODE_MISC)
flags_g	275146375170		Detection flags g band (flags_g) (Note 3)   (meta.code) (CODE_MISC)
flags_r	4503599895838722		Detection flags r band (flags_r) (Note 3)   (meta.code) (CODE_MISC)
flags_i	275146375168		Detection flags i band (flags_i) (Note 3)   (meta.code) (CODE_MISC)
flags_z	268468224		Detection flags z band (flags_z) (Note 3)   (meta.code) (CODE_MISC)
type_u	3		[0/8] Phototype in u band (6=Star ; 3=galaxy) (type_u) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_g	6		[0/8] Phototype in i band (6=Star ; 3=galaxy) (type_g) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_r	6		[0/8] Phototype in r band (6=Star ; 3=galaxy) (type_r) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_i	6		[0/8] Phototype in i band (6=Star ; 3=galaxy) (type_i) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_z	3		[0/8] Phototype in z band (6=Star ; 3=galaxy) (type_z) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_u	0.0		[0/1] 0=notStar 1=Star in u band (probPSF_u) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_g	1.0		[0/1] 0=notStar 1=Star in g band (probPSF_g) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_r	1.0		[0/1] 0=notStar 1=Star in r band (probPSF_r) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_i	1.0		[0/1] 0=notStar 1=Star in i band (probPSF_i) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_z	0.0		[0/1] 0=notStar 1=Star in z band (probPSF_z) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
raErr	0.009	arcsec	[0/51703] Mean error on RAdeg (raErr) (stat.error;pos.eq.ra) (ERROR)
decErr	0.010	arcsec	[0/22795] Mean error on DEdeg (decErr) (stat.error;pos.eq.dec) (ERROR)
offsetRa_u	-0.09	arcsec	Offset of u position along RA (offsetRa_u) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_g	-0.03	arcsec	Offset of g position along RA (offsetRa_g) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_r	0.00	arcsec	Offset of r position along RA (offsetRa_r) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_i	0.00	arcsec	Offset of i position along RA (offsetRa_i) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_z	-0.00	arcsec	Offset of z position along RA (offsetRa_z) (pos.angDistance) (POS_EQ_RA_OFF)
offsetDec_u	-0.12	arcsec	Offset of u position along Dec (offsetDec_u) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_g	0.08	arcsec	Offset of g position along Dec (offsetDec_g) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_r	0.00	arcsec	Offset of r position along Dec (offsetDec_r) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_i	0.06	arcsec	Offset of i position along Dec (offsetDec_i) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_z	-0.02	arcsec	Offset of z position along Dec (offsetDec_z) (pos.angDistance) (POS_EQ_DEC_OFF)
parentID	0		Pointer to parent (if object deblended) (meta.id.parent) (ID_PARENT)
specObjID	0		(i) Pointer to the spectrum of object or 0 (specObjID) (Note 6)   (meta.id) (ID_ALTERNATIVE)
u	20.077	mag	(i) [4/37.3] Model magnitude in u filter AB scale (u) (Note 7)   (phot.mag;em.opt.U) (PHOT_SDSS_U)
g	19.118	mag	(i) [3.7/39.6] Model magnitude in g filter AB scale (g) (Note 7)   (phot.mag;em.opt.B) (PHOT_SDSS_G)
r	19.011	mag	(i) [3.8/40.4] Model magnitude in r filter AB scale (r) (Note 7)   (phot.mag;em.opt.R) (PHOT_SDSS_R)
i	19.053	mag	(i) [2.6/39.5] Model magnitude in i filter AB scale (i) (Note 7)   (phot.mag;em.opt.I) (PHOT_SDSS_I)
z	18.950	mag	(i) [3.5/37.2] Model magnitude in z filter AB scale (z) (Note 7)   (phot.mag;em.opt.I) (PHOT_SDSS_Z)
err_u	0.057	mag	[8.9e-8/3444] Mean error on umag (err_u) (stat.error;phot.mag) (ERROR)
err_g	0.011	mag	[3.8e-8/5955] Mean error on gmag (err_g) (stat.error;phot.mag) (ERROR)
err_r	0.013	mag	[5.2e-8/915] Mean error on rmag (err_r) (stat.error;phot.mag) (ERROR)
err_i	0.017	mag	[0/634] Mean error on imag (err_i) (stat.error;phot.mag) (ERROR)
err_z	0.050	mag	[9.4e-8/3529] Mean error on zmag (err_z) (stat.error;phot.mag) (ERROR)
resolveStatus	8		[0/4145] Decimal status (resolveStatus) (Note 5)   (meta.code) (CODE_MISC)
spec_instrument			Spectral instrument used ("SDSS" or "BOSS") (spec_instrument) (Note 6)   (meta.id;instr) (INST_ID)
spec_sourceType			Source type (spec_sourceType) (6) (Note 8)   (src.class) (CLASS_OBJECT)
spec_z			(i) [-0.012/7.06] Spectroscopic final redshift (when SpObjID>0) (spec_z) (Note 6)   (src.redshift) (REDSHIFT_HC)
spec_zErr			[-6/30689] Mean error on zsp (negative for bad fit) (spec_zErr) (Note 6)   (stat.error) (ERROR)
spec_zWarning			[0/902] Zwarning flag (spec_zWarning) (6) (Note 9)   (meta.code) (CODE_MISC)
spec_class			Spectroscopic class: "GALAXY"; "QSO"; "STAR" (spec_class) (Note 6)   (meta.code.class;pos.parallax.spect) (CLASS_STAR/GALAXY)
spec_subClass			Spectroscopic subclass (spec_subClass) (6) (Note 10)   (src.class) (CLASS_OBJECT)
spec_velDisp		km/s	[0/850] Velocity dispersion (spec_velDisp) (Note 6)   (phys.veloc.dispersion) (VELOC_DISP)
spec_velDispErr		km/s	[-7/4526] Mean error on Vdisp (spec_velDispErr) (Note 6)   (stat.error) (ERROR)
spec_snMedian			[-1927/132] Median signal-to-noise over all good pixels (spec_snMedian) (Note 6)   (em.wl.central;stat.median) (INST_S/N)
pm_match			[0/4] Number of USNO-B objects matched within 1arcsec (pm_match) (Note 11)   (meta.number) (NUMBER)
pm_pmRa		mas/yr	[-6121/5519] Proper motion along Right Ascension (pm_pmRa) (Note 11)   (pos.pm;pos.eq.ra) (POS_EQ_PMRA)
pm_pmDec		mas/yr	[-4846/4437] Proper motion along Declination (pm_pmDec) (Note 11)   (pos.pm;pos.eq.dec) (POS_EQ_PMDEC)
pm_pmRaErr		mas/yr	[0/4709] Mean error on pmRA (pm_pmRaErr) (Note 11)   (stat.error;pos.pm;pos.eq.ra) (ERROR)
pm_pmDecErr		mas/yr	[0/4709] Mean error on pmDE (pm_pmDecErr) (Note 11)   (stat.error;pos.pm;pos.eq.dec) (ERROR)
pm_sigRa		mas	[0/8662] RMS residual of proper motion fit in RA (pm_sigRa) (Note 11)   (stat.fit.residual) (FIT_RESIDUAL)
pm_sigDec		mas	[0/10625] RMS residual of proper motion fit in Dec (pm_sigDec) (Note 11)   (stat.fit.residual) (FIT_RESIDUAL)
pm_nFit			[0/6] Number of detections used in the pm fit including SDSS (pm_nFit) (Note 11)   (meta.number) (NUMBER)
pm_O			[-214740/70189] Magnitude from USNO-B O plate recalibrated to SDSS g (pm_O) (Note 11)   (phot.mag;em.opt.B) (PHOT_PHG_B)
pm_E			Magnitude from E plate recalibrated to SDSS r (pm_E) (Note 11)   (phot.mag;em.opt.R) (PHOT_PHG_R)
pm_J			Magnitude from J plate recalibrated to SDSS g (pm_J) (Note 11)   (phot.mag;em.opt.B) (PHOT_PHG_B)
pm_F			Magnitude from F plate recalibrated to SDSS r (pm_F) (Note 11)   (phot.mag;em.opt.R) (PHOT_PHG_R)
pm_N			Magnitude from N plate recalibrated to SDSS i (pm_N) (Note 11)   (phot.mag;em.opt.I) (PHOT_PHG_I)
photoz_z			(i) [5e-4/1] Photometric redshift estimated by robust fit to nearest neighbors in a reference set (photoz_z) (Note 12)   (src.redshift) (REDSHIFT_PHOT)
photoz_zErr			[0.003/0.3] Estimated error of the photometric redshift (photoz_zErr) (Note 12)   (stat.error) (ERROR)
photoz_nnAvgZ			[0.009/0.9] Average redshift of the nearest neighbors; if significantly different from zph this might be a better estimate than zph (photoz_nnAvgZ) (Note 12)   (src.redshift.phot) (REDSHIFT_PHOT)
photoz_chisq			[2e-12/6.3e7] Chi-square value for the minimum chi-square template fit (photoz_chisq) (Note 12)   (stat.value) (FIT_CHI2)
field_quality	3		[1/3] Quality of the observation: 1=bad; 2=barely acceptable; 3=good (field_quality) (Note 13)   (meta.code.qual;obs.param;obs) (CODE_QUALITY)
field_mjd_u	53288.2699	d	Date of observation in u band (field_mjd_u) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_g	53288.2715	d	Date of observation in g band (field_mjd_g) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_r	53288.2682	d	Date of observation in r band (field_mjd_r) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_i	53288.2690	d	Date of observation in i band (field_mjd_i) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_z	53288.2707	d	Date of observation in z band (field_mjd_z) (Note 13)   (time.epoch) (TIME_DATE)
SDSS16	SDSS J002716.16-000240.3		(i) SDSS-DR16 name based on J2000 position; provided by CDS (meta.id) (ID_ALTERNATIVE)
SDSS-ID	4874-301-3-0466-0252		(i) SDSS object identifier (run-rerun-camcol-field-object) (Note 1)   (meta.id) (ID_ALTERNATIVE)
Sp-ID			(i) Spectroscopic Plate-MJD-Fiber identifier (plate-mjd-fiberID) (meta.id) (ID_ALTERNATIVE)
MJD	53288.2699	d	Mean observation date (average calculated by CDS from the uMJD, gMJD, rMJD, iMJD, zMJD) (time.epoch) (TIME_DATE)

Column	Value		Explain   (UCD)
_r	0.060	arcsec	Distance from center (006.817346-00.044534)[ICRS], at Epoch of catalog (MJD) (pos.angDistance) (POS_ANG_DIST_GENERAL)
_RAJ2000	00 27 16.16739	"h:m:s"	Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra) (POS_EQ_RA)
_DEJ2000	-00 02 40.2901	"d:m:s"	Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_RAB1950	00 24 42.44001	"h:m:s"	Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra) (POS_EQ_RA)
_DEB1950	-00 19 16.0498	"d:m:s"	Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_Glon	109.84401869	deg	Galactic longitude at Epoch=J0. (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lon) (POS_GAL_LON)
_Glat	-62.30055125	deg	Galactic latitude at Epoch=J0. (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lat) (POS_GAL_LAT)
objID	1237663740713369699		(i) SDSS unique object identifier (1) (links to online SDSS-DR16 data) (Note)   (meta.id;meta.main) (ID_MAIN)
ra	006.817361	deg	(i) Right Ascension of the object (ICRS) at Epoch="MJD" (ra) (pos.eq.ra;meta.main) (POS_EQ_RA_MAIN)
dec	-00.044527	deg	(i) Declination of the object (ICRS) at Epoch="MJD" (dec) (pos.eq.dec;meta.main) (POS_EQ_DEC_MAIN)
fieldID	1237663740713369600		The field this object is in (meta.note) (ID_FIELD)
mode	2		[1/4] PhotoMode (1=primary, 2=secondary, 3=family, 4=outside) (meta.code.class) (CLASS_CODE)
type	6		[0/8] Type of object (3=galaxy, 6=star) (type) (Note 2)   (src.class) (CLASS_OBJECT)
clean	0		[0/1] Clean photometry flag (1=clean; 0=unclean) (meta.code) (CODE_MISC)
flags	68988043776		Photo Object Attribute flags (Note 3)   (meta.code.error) (CODE_MISC)
psfMag_u	20.129	mag	(i) [4/35] PSF magnitude in u band (psfMag_u) (Note 4)   (phot.mag;em.opt.U) (PHOT_SDSS_U)
psfMag_g	19.144	mag	[3.7/37] PSF magnitude in g band (psfMag_g) (Note 4)   (phot.mag;em.opt.B) (PHOT_SDSS_G)
psfMag_r	19.023	mag	[3.8/36] PSF magnitude in r band (psfMag_r) (Note 4)   (phot.mag;em.opt.R) (PHOT_SDSS_R)
psfMag_i	19.003	mag	[2.6/34] PSF magnitude in i band (psfMag_i) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_I)
psfMag_z	18.962	mag	[3.8/33.3] PSF magnitude in z band (psfMag_z) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_Z)
psfMagErr_u	0.041	mag	[1.5e-5/100] Mean error on upmag (psfMagErr_u) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_g	0.021	mag	Mean error on gpmag (psfMagErr_g) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_r	0.016	mag	Mean error on rpmag (psfMagErr_r) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_i	0.016	mag	Mean error on ipmag (psfMagErr_i) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_z	0.049	mag	Mean error on zpmag (psfMagErr_z) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMag_u	20.295	mag	[-0.4/47.2] Petrosian magnitude in u band (petroMag_u) (Note 4)   (phot.mag;em.opt.U) (PHOT_SDSS_U)
petroMag_g	19.141	mag	[3.7/48] Petrosian magnitude in g band (petroMag_g) (Note 4)   (phot.mag;em.opt.B) (PHOT_SDSS_G)
petroMag_r	19.052	mag	[1.3/48.6] Petrosian magnitude in r band (petroMag_r) (Note 4)   (phot.mag;em.opt.R) (PHOT_SDSS_R)
petroMag_i	19.112	mag	[2.6/48.4] Petrosian magnitude in i band (petroMag_i) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_I)
petroMag_z	18.957	mag	[-2.9/45.1] Petrosian magnitude in z band (petroMag_z) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_Z)
petroMagErr_u	0.072	mag	[1e-7/100] Mean error in uPmag (petroMagErr_u) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_g	0.014	mag	[9.1e-9/100] Mean error in gPmag (petroMagErr_g) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_r	0.019	mag	Mean error in rPmag (petroMagErr_r) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_i	0.029	mag	Mean error in iPmag (petroMagErr_i) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_z	0.101	mag	Mean error in zPmag (petroMagErr_z) (Note 4)   (stat.error;phot.mag) (ERROR)
petroRad_u	1.604	arcsec	[1.2e-6/261] Petrosian radius in u band (petroRad_u) (phys.angSize;src) (EXTENSION_RAD)
petroRad_g	1.508	arcsec	[2.3e-6/261] Petrosian radius in g band (petroRad_g) (phys.angSize;src) (EXTENSION_RAD)
petroRad_r	1.520	arcsec	[4.9e-6/260] Petrosian radius in r band (petroRad_r) (phys.angSize;src) (EXTENSION_RAD)
petroRad_i	1.351	arcsec	[2.2e-6/263] Petrosian radius in i band (petroRad_i) (phys.angSize;src) (EXTENSION_RAD)
petroRad_z	1.546	arcsec	[8.3e-7/261] Petrosian radius in z band (petroRad_z) (phys.angSize;src) (EXTENSION_RAD)
petroRadErr_u	0.089	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_u) (stat.error) (ERROR)
petroRadErr_g	0.026	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_g) (stat.error) (ERROR)
petroRadErr_r	0.042	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_r) (stat.error) (ERROR)
petroRadErr_i	0.037	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_i) (stat.error) (ERROR)
petroRadErr_z	0.423	arcsec	[-1000/257] Mean error in rPrad (petroRadErr_z) (stat.error) (ERROR)
deVRad_u	0.087	arcsec	[0/257] De Vaucouleurs fit radius u band (deVRad_u) (phys.angSize;src) (EXTENSION_RAD)
deVRad_g	0.099	arcsec	[0/238] De Vaucouleurs fit radius g band (deVRad_g) (phys.angSize;src) (EXTENSION_RAD)
deVRad_r	0.066	arcsec	[0/238] De Vaucouleurs fit radius r band (deVRad_r) (phys.angSize;src) (EXTENSION_RAD)
deVRad_i	0.000	arcsec	[0/232] De Vaucouleurs fit radius i band (deVRad_i) (phys.angSize;src) (EXTENSION_RAD)
deVRad_z	0.000	arcsec	[0/238] De Vaucouleurs fit radius z band (deVRad_z) (phys.angSize;src) (EXTENSION_RAD)
deVAB_u	0.082		[0.05/1] De Vaucouleurs fit b/a u band (deVAB_u) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_g	0.200		[0.05/1] De Vaucouleurs fit b/a g band (deVAB_g) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_r	0.820		[0.05/1] De Vaucouleurs fit b/a r band (deVAB_r) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_i	0.654		[0.05/1] De Vaucouleurs fit b/a i band (deVAB_i) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_z	0.450		[0.05/1] De Vaucouleurs fit b/a z band (deVAB_z) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVPhi_u	14.8	deg	[-10105/271] Position angle of dVrad in u band (deVPhi_u) (pos.posAng) (POS_POS-ANG)
deVPhi_g	50.6	deg	[-10105/271] Position angle of dVrad in g band (deVPhi_g) (pos.posAng) (POS_POS-ANG)
deVPhi_r	89.4	deg	[-10105/271] Position angle of dVrad in r band (deVPhi_r) (pos.posAng) (POS_POS-ANG)
deVPhi_i	106.6	deg	[-10105/271] Position angle of dVrad in i band (deVPhi_i) (pos.posAng) (POS_POS-ANG)
deVPhi_z	105.5	deg	[-10105/271] Position angle of dVrad in z band (deVPhi_z) (pos.posAng) (POS_POS-ANG)
flags_u	275297370112		Detection flags u band (flags_u) (Note 3)   (meta.code) (CODE_MISC)
flags_g	285245440		Detection flags g band (flags_g) (Note 3)   (meta.code) (CODE_MISC)
flags_r	4503599921004544		Detection flags r band (flags_r) (Note 3)   (meta.code) (CODE_MISC)
flags_i	427983360		Detection flags i band (flags_i) (Note 3)   (meta.code) (CODE_MISC)
flags_z	275297370624		Detection flags z band (flags_z) (Note 3)   (meta.code) (CODE_MISC)
type_u	6		[0/8] Phototype in u band (6=Star ; 3=galaxy) (type_u) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_g	6		[0/8] Phototype in i band (6=Star ; 3=galaxy) (type_g) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_r	6		[0/8] Phototype in r band (6=Star ; 3=galaxy) (type_r) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_i	6		[0/8] Phototype in i band (6=Star ; 3=galaxy) (type_i) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_z	6		[0/8] Phototype in z band (6=Star ; 3=galaxy) (type_z) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_u	1.0		[0/1] 0=notStar 1=Star in u band (probPSF_u) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_g	1.0		[0/1] 0=notStar 1=Star in g band (probPSF_g) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_r	1.0		[0/1] 0=notStar 1=Star in r band (probPSF_r) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_i	1.0		[0/1] 0=notStar 1=Star in i band (probPSF_i) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_z	1.0		[0/1] 0=notStar 1=Star in z band (probPSF_z) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
raErr	0.008	arcsec	[0/51703] Mean error on RAdeg (raErr) (stat.error;pos.eq.ra) (ERROR)
decErr	0.008	arcsec	[0/22795] Mean error on DEdeg (decErr) (stat.error;pos.eq.dec) (ERROR)
offsetRa_u	-0.03	arcsec	Offset of u position along RA (offsetRa_u) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_g	0.05	arcsec	Offset of g position along RA (offsetRa_g) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_r	0.00	arcsec	Offset of r position along RA (offsetRa_r) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_i	0.03	arcsec	Offset of i position along RA (offsetRa_i) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_z	-0.01	arcsec	Offset of z position along RA (offsetRa_z) (pos.angDistance) (POS_EQ_RA_OFF)
offsetDec_u	0.08	arcsec	Offset of u position along Dec (offsetDec_u) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_g	0.05	arcsec	Offset of g position along Dec (offsetDec_g) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_r	0.00	arcsec	Offset of r position along Dec (offsetDec_r) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_i	0.04	arcsec	Offset of i position along Dec (offsetDec_i) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_z	0.03	arcsec	Offset of z position along Dec (offsetDec_z) (pos.angDistance) (POS_EQ_DEC_OFF)
parentID	1237663740713369698		Pointer to parent (if object deblended) (meta.id.parent) (ID_PARENT)
specObjID	0		(i) Pointer to the spectrum of object or 0 (specObjID) (Note 6)   (meta.id) (ID_ALTERNATIVE)
u	20.143	mag	(i) [4/37.3] Model magnitude in u filter AB scale (u) (Note 7)   (phot.mag;em.opt.U) (PHOT_SDSS_U)
g	19.126	mag	(i) [3.7/39.6] Model magnitude in g filter AB scale (g) (Note 7)   (phot.mag;em.opt.B) (PHOT_SDSS_G)
r	19.011	mag	(i) [3.8/40.4] Model magnitude in r filter AB scale (r) (Note 7)   (phot.mag;em.opt.R) (PHOT_SDSS_R)
i	18.995	mag	(i) [2.6/39.5] Model magnitude in i filter AB scale (i) (Note 7)   (phot.mag;em.opt.I) (PHOT_SDSS_I)
z	18.959	mag	(i) [3.5/37.2] Model magnitude in z filter AB scale (z) (Note 7)   (phot.mag;em.opt.I) (PHOT_SDSS_Z)
err_u	0.044	mag	[8.9e-8/3444] Mean error on umag (err_u) (stat.error;phot.mag) (ERROR)
err_g	0.010	mag	[3.8e-8/5955] Mean error on gmag (err_g) (stat.error;phot.mag) (ERROR)
err_r	0.012	mag	[5.2e-8/915] Mean error on rmag (err_r) (stat.error;phot.mag) (ERROR)
err_i	0.015	mag	[0/634] Mean error on imag (err_i) (stat.error;phot.mag) (ERROR)
err_z	0.048	mag	[9.4e-8/3529] Mean error on zmag (err_z) (stat.error;phot.mag) (ERROR)
resolveStatus	1025		[0/4145] Decimal status (resolveStatus) (Note 5)   (meta.code) (CODE_MISC)
spec_instrument			Spectral instrument used ("SDSS" or "BOSS") (spec_instrument) (Note 6)   (meta.id;instr) (INST_ID)
spec_sourceType			Source type (spec_sourceType) (6) (Note 8)   (src.class) (CLASS_OBJECT)
spec_z			(i) [-0.012/7.06] Spectroscopic final redshift (when SpObjID>0) (spec_z) (Note 6)   (src.redshift) (REDSHIFT_HC)
spec_zErr			[-6/30689] Mean error on zsp (negative for bad fit) (spec_zErr) (Note 6)   (stat.error) (ERROR)
spec_zWarning			[0/902] Zwarning flag (spec_zWarning) (6) (Note 9)   (meta.code) (CODE_MISC)
spec_class			Spectroscopic class: "GALAXY"; "QSO"; "STAR" (spec_class) (Note 6)   (meta.code.class;pos.parallax.spect) (CLASS_STAR/GALAXY)
spec_subClass			Spectroscopic subclass (spec_subClass) (6) (Note 10)   (src.class) (CLASS_OBJECT)
spec_velDisp		km/s	[0/850] Velocity dispersion (spec_velDisp) (Note 6)   (phys.veloc.dispersion) (VELOC_DISP)
spec_velDispErr		km/s	[-7/4526] Mean error on Vdisp (spec_velDispErr) (Note 6)   (stat.error) (ERROR)
spec_snMedian			[-1927/132] Median signal-to-noise over all good pixels (spec_snMedian) (Note 6)   (em.wl.central;stat.median) (INST_S/N)
pm_match	1		[0/4] Number of USNO-B objects matched within 1arcsec (pm_match) (Note 11)   (meta.number) (NUMBER)
pm_pmRa	-2.91	mas/yr	[-6121/5519] Proper motion along Right Ascension (pm_pmRa) (Note 11)   (pos.pm;pos.eq.ra) (POS_EQ_PMRA)
pm_pmDec	-1.73	mas/yr	[-4846/4437] Proper motion along Declination (pm_pmDec) (Note 11)   (pos.pm;pos.eq.dec) (POS_EQ_PMDEC)
pm_pmRaErr	3.17	mas/yr	[0/4709] Mean error on pmRA (pm_pmRaErr) (Note 11)   (stat.error;pos.pm;pos.eq.ra) (ERROR)
pm_pmDecErr	3.17	mas/yr	[0/4709] Mean error on pmDE (pm_pmDecErr) (Note 11)   (stat.error;pos.pm;pos.eq.dec) (ERROR)
pm_sigRa	128.95	mas	[0/8662] RMS residual of proper motion fit in RA (pm_sigRa) (Note 11)   (stat.fit.residual) (FIT_RESIDUAL)
pm_sigDec	194.42	mas	[0/10625] RMS residual of proper motion fit in Dec (pm_sigDec) (Note 11)   (stat.fit.residual) (FIT_RESIDUAL)
pm_nFit	5		[0/6] Number of detections used in the pm fit including SDSS (pm_nFit) (Note 11)   (meta.number) (NUMBER)
pm_O	18.8		[-214740/70189] Magnitude from USNO-B O plate recalibrated to SDSS g (pm_O) (Note 11)   (phot.mag;em.opt.B) (PHOT_PHG_B)
pm_E	19.1		Magnitude from E plate recalibrated to SDSS r (pm_E) (Note 11)   (phot.mag;em.opt.R) (PHOT_PHG_R)
pm_J	19.1		Magnitude from J plate recalibrated to SDSS g (pm_J) (Note 11)   (phot.mag;em.opt.B) (PHOT_PHG_B)
pm_F	19.0		Magnitude from F plate recalibrated to SDSS r (pm_F) (Note 11)   (phot.mag;em.opt.R) (PHOT_PHG_R)
pm_N	0.0		Magnitude from N plate recalibrated to SDSS i (pm_N) (Note 11)   (phot.mag;em.opt.I) (PHOT_PHG_I)
photoz_z			(i) [5e-4/1] Photometric redshift estimated by robust fit to nearest neighbors in a reference set (photoz_z) (Note 12)   (src.redshift) (REDSHIFT_PHOT)
photoz_zErr			[0.003/0.3] Estimated error of the photometric redshift (photoz_zErr) (Note 12)   (stat.error) (ERROR)
photoz_nnAvgZ			[0.009/0.9] Average redshift of the nearest neighbors; if significantly different from zph this might be a better estimate than zph (photoz_nnAvgZ) (Note 12)   (src.redshift.phot) (REDSHIFT_PHOT)
photoz_chisq			[2e-12/6.3e7] Chi-square value for the minimum chi-square template fit (photoz_chisq) (Note 12)   (stat.value) (FIT_CHI2)
field_quality	3		[1/3] Quality of the observation: 1=bad; 2=barely acceptable; 3=good (field_quality) (Note 13)   (meta.code.qual;obs.param;obs) (CODE_QUALITY)
field_mjd_u	52962.1545	d	Date of observation in u band (field_mjd_u) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_g	52962.1561	d	Date of observation in g band (field_mjd_g) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_r	52962.1528	d	Date of observation in r band (field_mjd_r) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_i	52962.1537	d	Date of observation in i band (field_mjd_i) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_z	52962.1553	d	Date of observation in z band (field_mjd_z) (Note 13)   (time.epoch) (TIME_DATE)
SDSS16	SDSS J002716.16-000240.2		(i) SDSS-DR16 name based on J2000 position; provided by CDS (meta.id) (ID_ALTERNATIVE)
SDSS-ID	4253-301-3-0154-0099		(i) SDSS object identifier (run-rerun-camcol-field-object) (Note 1)   (meta.id) (ID_ALTERNATIVE)
Sp-ID			(i) Spectroscopic Plate-MJD-Fiber identifier (plate-mjd-fiberID) (meta.id) (ID_ALTERNATIVE)
MJD	52962.1545	d	Mean observation date (average calculated by CDS from the uMJD, gMJD, rMJD, iMJD, zMJD) (time.epoch) (TIME_DATE)

Column	Value		Explain   (UCD)
_r	0.060	arcsec	Distance from center (006.817346-00.044534)[ICRS], at Epoch of catalog (MJD) (pos.angDistance) (POS_ANG_DIST_GENERAL)
_RAJ2000	00 27 16.16702	"h:m:s"	Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra) (POS_EQ_RA)
_DEJ2000	-00 02 40.3223	"d:m:s"	Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_RAB1950	00 24 42.42994	"h:m:s"	Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra) (POS_EQ_RA)
_DEB1950	-00 19 16.1684	"d:m:s"	Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_Glon	109.84401904	deg	Galactic longitude at Epoch=J0. (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lon) (POS_GAL_LON)
_Glat	-62.30055852	deg	Galactic latitude at Epoch=J0. (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lat) (POS_GAL_LAT)
objID	1237645877948317759		(i) SDSS unique object identifier (1) (links to online SDSS-DR16 data) (Note)   (meta.id;meta.main) (ID_MAIN)
ra	006.817363	deg	(i) Right Ascension of the object (ICRS) at Epoch="MJD" (ra) (pos.eq.ra;meta.main) (POS_EQ_RA_MAIN)
dec	-00.044534	deg	(i) Declination of the object (ICRS) at Epoch="MJD" (dec) (pos.eq.dec;meta.main) (POS_EQ_DEC_MAIN)
fieldID	1237645877948317696		The field this object is in (meta.note) (ID_FIELD)
mode	4		[1/4] PhotoMode (1=primary, 2=secondary, 3=family, 4=outside) (meta.code.class) (CLASS_CODE)
type	6		[0/8] Type of object (3=galaxy, 6=star) (type) (Note 2)   (src.class) (CLASS_OBJECT)
clean	0		[0/1] Clean photometry flag (1=clean; 0=unclean) (meta.code) (CODE_MISC)
flags	68987912704		Photo Object Attribute flags (Note 3)   (meta.code.error) (CODE_MISC)
psfMag_u	20.132	mag	(i) [4/35] PSF magnitude in u band (psfMag_u) (Note 4)   (phot.mag;em.opt.U) (PHOT_SDSS_U)
psfMag_g	19.119	mag	[3.7/37] PSF magnitude in g band (psfMag_g) (Note 4)   (phot.mag;em.opt.B) (PHOT_SDSS_G)
psfMag_r	19.028	mag	[3.8/36] PSF magnitude in r band (psfMag_r) (Note 4)   (phot.mag;em.opt.R) (PHOT_SDSS_R)
psfMag_i	18.969	mag	[2.6/34] PSF magnitude in i band (psfMag_i) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_I)
psfMag_z	19.084	mag	[3.8/33.3] PSF magnitude in z band (psfMag_z) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_Z)
psfMagErr_u	0.042	mag	[1.5e-5/100] Mean error on upmag (psfMagErr_u) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_g	0.020	mag	Mean error on gpmag (psfMagErr_g) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_r	0.016	mag	Mean error on rpmag (psfMagErr_r) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_i	0.021	mag	Mean error on ipmag (psfMagErr_i) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_z	0.060	mag	Mean error on zpmag (psfMagErr_z) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMag_u	20.097	mag	[-0.4/47.2] Petrosian magnitude in u band (petroMag_u) (Note 4)   (phot.mag;em.opt.U) (PHOT_SDSS_U)
petroMag_g	19.141	mag	[3.7/48] Petrosian magnitude in g band (petroMag_g) (Note 4)   (phot.mag;em.opt.B) (PHOT_SDSS_G)
petroMag_r	19.063	mag	[1.3/48.6] Petrosian magnitude in r band (petroMag_r) (Note 4)   (phot.mag;em.opt.R) (PHOT_SDSS_R)
petroMag_i	19.062	mag	[2.6/48.4] Petrosian magnitude in i band (petroMag_i) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_I)
petroMag_z	19.025	mag	[-2.9/45.1] Petrosian magnitude in z band (petroMag_z) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_Z)
petroMagErr_u	0.057	mag	[1e-7/100] Mean error in uPmag (petroMagErr_u) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_g	0.013	mag	[9.1e-9/100] Mean error in gPmag (petroMagErr_g) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_r	0.017	mag	Mean error in rPmag (petroMagErr_r) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_i	0.027	mag	Mean error in iPmag (petroMagErr_i) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_z	0.110	mag	Mean error in zPmag (petroMagErr_z) (Note 4)   (stat.error;phot.mag) (ERROR)
petroRad_u	5.192	arcsec	[1.2e-6/261] Petrosian radius in u band (petroRad_u) (phys.angSize;src) (EXTENSION_RAD)
petroRad_g	1.507	arcsec	[2.3e-6/261] Petrosian radius in g band (petroRad_g) (phys.angSize;src) (EXTENSION_RAD)
petroRad_r	1.287	arcsec	[4.9e-6/260] Petrosian radius in r band (petroRad_r) (phys.angSize;src) (EXTENSION_RAD)
petroRad_i	1.377	arcsec	[2.2e-6/263] Petrosian radius in i band (petroRad_i) (phys.angSize;src) (EXTENSION_RAD)
petroRad_z	1.467	arcsec	[8.3e-7/261] Petrosian radius in z band (petroRad_z) (phys.angSize;src) (EXTENSION_RAD)
petroRadErr_u	1.502	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_u) (stat.error) (ERROR)
petroRadErr_g	0.023	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_g) (stat.error) (ERROR)
petroRadErr_r	0.029	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_r) (stat.error) (ERROR)
petroRadErr_i	0.038	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_i) (stat.error) (ERROR)
petroRadErr_z	0.461	arcsec	[-1000/257] Mean error in rPrad (petroRadErr_z) (stat.error) (ERROR)
deVRad_u	0.243	arcsec	[0/257] De Vaucouleurs fit radius u band (deVRad_u) (phys.angSize;src) (EXTENSION_RAD)
deVRad_g	0.017	arcsec	[0/238] De Vaucouleurs fit radius g band (deVRad_g) (phys.angSize;src) (EXTENSION_RAD)
deVRad_r	0.066	arcsec	[0/238] De Vaucouleurs fit radius r band (deVRad_r) (phys.angSize;src) (EXTENSION_RAD)
deVRad_i	0.013	arcsec	[0/232] De Vaucouleurs fit radius i band (deVRad_i) (phys.angSize;src) (EXTENSION_RAD)
deVRad_z	0.190	arcsec	[0/238] De Vaucouleurs fit radius z band (deVRad_z) (phys.angSize;src) (EXTENSION_RAD)
deVAB_u	0.073		[0.05/1] De Vaucouleurs fit b/a u band (deVAB_u) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_g	1.000		[0.05/1] De Vaucouleurs fit b/a g band (deVAB_g) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_r	0.584		[0.05/1] De Vaucouleurs fit b/a r band (deVAB_r) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_i	0.139		[0.05/1] De Vaucouleurs fit b/a i band (deVAB_i) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_z	0.447		[0.05/1] De Vaucouleurs fit b/a z band (deVAB_z) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVPhi_u	101.6	deg	[-10105/271] Position angle of dVrad in u band (deVPhi_u) (pos.posAng) (POS_POS-ANG)
deVPhi_g	106.0	deg	[-10105/271] Position angle of dVrad in g band (deVPhi_g) (pos.posAng) (POS_POS-ANG)
deVPhi_r	104.4	deg	[-10105/271] Position angle of dVrad in r band (deVPhi_r) (pos.posAng) (POS_POS-ANG)
deVPhi_i	138.6	deg	[-10105/271] Position angle of dVrad in i band (deVPhi_i) (pos.posAng) (POS_POS-ANG)
deVPhi_z	91.5	deg	[-10105/271] Position angle of dVrad in z band (deVPhi_z) (pos.posAng) (POS_POS-ANG)
flags_u	275297370624		Detection flags u band (flags_u) (Note 3)   (meta.code) (CODE_MISC)
flags_g	268468224		Detection flags g band (flags_g) (Note 3)   (meta.code) (CODE_MISC)
flags_r	4503599895838720		Detection flags r band (flags_r) (Note 3)   (meta.code) (CODE_MISC)
flags_i	293634048		Detection flags i band (flags_i) (Note 3)   (meta.code) (CODE_MISC)
flags_z	275280593408		Detection flags z band (flags_z) (Note 3)   (meta.code) (CODE_MISC)
type_u	6		[0/8] Phototype in u band (6=Star ; 3=galaxy) (type_u) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_g	6		[0/8] Phototype in i band (6=Star ; 3=galaxy) (type_g) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_r	6		[0/8] Phototype in r band (6=Star ; 3=galaxy) (type_r) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_i	6		[0/8] Phototype in i band (6=Star ; 3=galaxy) (type_i) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_z	6		[0/8] Phototype in z band (6=Star ; 3=galaxy) (type_z) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_u	1.0		[0/1] 0=notStar 1=Star in u band (probPSF_u) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_g	1.0		[0/1] 0=notStar 1=Star in g band (probPSF_g) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_r	1.0		[0/1] 0=notStar 1=Star in r band (probPSF_r) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_i	1.0		[0/1] 0=notStar 1=Star in i band (probPSF_i) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_z	1.0		[0/1] 0=notStar 1=Star in z band (probPSF_z) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
raErr	0.007	arcsec	[0/51703] Mean error on RAdeg (raErr) (stat.error;pos.eq.ra) (ERROR)
decErr	0.006	arcsec	[0/22795] Mean error on DEdeg (decErr) (stat.error;pos.eq.dec) (ERROR)
offsetRa_u	-0.10	arcsec	Offset of u position along RA (offsetRa_u) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_g	0.02	arcsec	Offset of g position along RA (offsetRa_g) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_r	0.00	arcsec	Offset of r position along RA (offsetRa_r) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_i	0.00	arcsec	Offset of i position along RA (offsetRa_i) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_z	-0.03	arcsec	Offset of z position along RA (offsetRa_z) (pos.angDistance) (POS_EQ_RA_OFF)
offsetDec_u	-0.07	arcsec	Offset of u position along Dec (offsetDec_u) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_g	0.06	arcsec	Offset of g position along Dec (offsetDec_g) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_r	0.00	arcsec	Offset of r position along Dec (offsetDec_r) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_i	-0.02	arcsec	Offset of i position along Dec (offsetDec_i) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_z	-0.04	arcsec	Offset of z position along Dec (offsetDec_z) (pos.angDistance) (POS_EQ_DEC_OFF)
parentID	1237645877948317758		Pointer to parent (if object deblended) (meta.id.parent) (ID_PARENT)
specObjID	0		(i) Pointer to the spectrum of object or 0 (specObjID) (Note 6)   (meta.id) (ID_ALTERNATIVE)
u	20.110	mag	(i) [4/37.3] Model magnitude in u filter AB scale (u) (Note 7)   (phot.mag;em.opt.U) (PHOT_SDSS_U)
g	19.121	mag	(i) [3.7/39.6] Model magnitude in g filter AB scale (g) (Note 7)   (phot.mag;em.opt.B) (PHOT_SDSS_G)
r	19.013	mag	(i) [3.8/40.4] Model magnitude in r filter AB scale (r) (Note 7)   (phot.mag;em.opt.R) (PHOT_SDSS_R)
i	18.967	mag	(i) [2.6/39.5] Model magnitude in i filter AB scale (i) (Note 7)   (phot.mag;em.opt.I) (PHOT_SDSS_I)
z	19.065	mag	(i) [3.5/37.2] Model magnitude in z filter AB scale (z) (Note 7)   (phot.mag;em.opt.I) (PHOT_SDSS_Z)
err_u	0.041	mag	[8.9e-8/3444] Mean error on umag (err_u) (stat.error;phot.mag) (ERROR)
err_g	0.010	mag	[3.8e-8/5955] Mean error on gmag (err_g) (stat.error;phot.mag) (ERROR)
err_r	0.011	mag	[5.2e-8/915] Mean error on rmag (err_r) (stat.error;phot.mag) (ERROR)
err_i	0.016	mag	[0/634] Mean error on imag (err_i) (stat.error;phot.mag) (ERROR)
err_z	0.059	mag	[9.4e-8/3529] Mean error on zmag (err_z) (stat.error;phot.mag) (ERROR)
resolveStatus	32		[0/4145] Decimal status (resolveStatus) (Note 5)   (meta.code) (CODE_MISC)
spec_instrument			Spectral instrument used ("SDSS" or "BOSS") (spec_instrument) (Note 6)   (meta.id;instr) (INST_ID)
spec_sourceType			Source type (spec_sourceType) (6) (Note 8)   (src.class) (CLASS_OBJECT)
spec_z			(i) [-0.012/7.06] Spectroscopic final redshift (when SpObjID>0) (spec_z) (Note 6)   (src.redshift) (REDSHIFT_HC)
spec_zErr			[-6/30689] Mean error on zsp (negative for bad fit) (spec_zErr) (Note 6)   (stat.error) (ERROR)
spec_zWarning			[0/902] Zwarning flag (spec_zWarning) (6) (Note 9)   (meta.code) (CODE_MISC)
spec_class			Spectroscopic class: "GALAXY"; "QSO"; "STAR" (spec_class) (Note 6)   (meta.code.class;pos.parallax.spect) (CLASS_STAR/GALAXY)
spec_subClass			Spectroscopic subclass (spec_subClass) (6) (Note 10)   (src.class) (CLASS_OBJECT)
spec_velDisp		km/s	[0/850] Velocity dispersion (spec_velDisp) (Note 6)   (phys.veloc.dispersion) (VELOC_DISP)
spec_velDispErr		km/s	[-7/4526] Mean error on Vdisp (spec_velDispErr) (Note 6)   (stat.error) (ERROR)
spec_snMedian			[-1927/132] Median signal-to-noise over all good pixels (spec_snMedian) (Note 6)   (em.wl.central;stat.median) (INST_S/N)
pm_match			[0/4] Number of USNO-B objects matched within 1arcsec (pm_match) (Note 11)   (meta.number) (NUMBER)
pm_pmRa		mas/yr	[-6121/5519] Proper motion along Right Ascension (pm_pmRa) (Note 11)   (pos.pm;pos.eq.ra) (POS_EQ_PMRA)
pm_pmDec		mas/yr	[-4846/4437] Proper motion along Declination (pm_pmDec) (Note 11)   (pos.pm;pos.eq.dec) (POS_EQ_PMDEC)
pm_pmRaErr		mas/yr	[0/4709] Mean error on pmRA (pm_pmRaErr) (Note 11)   (stat.error;pos.pm;pos.eq.ra) (ERROR)
pm_pmDecErr		mas/yr	[0/4709] Mean error on pmDE (pm_pmDecErr) (Note 11)   (stat.error;pos.pm;pos.eq.dec) (ERROR)
pm_sigRa		mas	[0/8662] RMS residual of proper motion fit in RA (pm_sigRa) (Note 11)   (stat.fit.residual) (FIT_RESIDUAL)
pm_sigDec		mas	[0/10625] RMS residual of proper motion fit in Dec (pm_sigDec) (Note 11)   (stat.fit.residual) (FIT_RESIDUAL)
pm_nFit			[0/6] Number of detections used in the pm fit including SDSS (pm_nFit) (Note 11)   (meta.number) (NUMBER)
pm_O			[-214740/70189] Magnitude from USNO-B O plate recalibrated to SDSS g (pm_O) (Note 11)   (phot.mag;em.opt.B) (PHOT_PHG_B)
pm_E			Magnitude from E plate recalibrated to SDSS r (pm_E) (Note 11)   (phot.mag;em.opt.R) (PHOT_PHG_R)
pm_J			Magnitude from J plate recalibrated to SDSS g (pm_J) (Note 11)   (phot.mag;em.opt.B) (PHOT_PHG_B)
pm_F			Magnitude from F plate recalibrated to SDSS r (pm_F) (Note 11)   (phot.mag;em.opt.R) (PHOT_PHG_R)
pm_N			Magnitude from N plate recalibrated to SDSS i (pm_N) (Note 11)   (phot.mag;em.opt.I) (PHOT_PHG_I)
photoz_z			(i) [5e-4/1] Photometric redshift estimated by robust fit to nearest neighbors in a reference set (photoz_z) (Note 12)   (src.redshift) (REDSHIFT_PHOT)
photoz_zErr			[0.003/0.3] Estimated error of the photometric redshift (photoz_zErr) (Note 12)   (stat.error) (ERROR)
photoz_nnAvgZ			[0.009/0.9] Average redshift of the nearest neighbors; if significantly different from zph this might be a better estimate than zph (photoz_nnAvgZ) (Note 12)   (src.redshift.phot) (REDSHIFT_PHOT)
photoz_chisq			[2e-12/6.3e7] Chi-square value for the minimum chi-square template fit (photoz_chisq) (Note 12)   (stat.value) (FIT_CHI2)
field_quality	3		[1/3] Quality of the observation: 1=bad; 2=barely acceptable; 3=good (field_quality) (Note 13)   (meta.code.qual;obs.param;obs) (CODE_QUALITY)
field_mjd_u	51075.3190	d	Date of observation in u band (field_mjd_u) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_g	51075.3207	d	Date of observation in g band (field_mjd_g) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_r	51075.3174	d	Date of observation in r band (field_mjd_r) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_i	51075.3182	d	Date of observation in i band (field_mjd_i) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_z	51075.3199	d	Date of observation in z band (field_mjd_z) (Note 13)   (time.epoch) (TIME_DATE)
SDSS16	SDSS J002716.16-000240.3		(i) SDSS-DR16 name based on J2000 position; provided by CDS (meta.id) (ID_ALTERNATIVE)
SDSS-ID	94-301-3-0214-0063		(i) SDSS object identifier (run-rerun-camcol-field-object) (Note 1)   (meta.id) (ID_ALTERNATIVE)
Sp-ID			(i) Spectroscopic Plate-MJD-Fiber identifier (plate-mjd-fiberID) (meta.id) (ID_ALTERNATIVE)
MJD	51075.3190	d	Mean observation date (average calculated by CDS from the uMJD, gMJD, rMJD, iMJD, zMJD) (time.epoch) (TIME_DATE)

Column	Value		Explain   (UCD)
_r	0.061	arcsec	Distance from center (006.817346-00.044534)[ICRS], at Epoch of catalog (MJD) (pos.angDistance) (POS_ANG_DIST_GENERAL)
_RAJ2000	00 27 16.16618	"h:m:s"	Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra) (POS_EQ_RA)
_DEJ2000	-00 02 40.2838	"d:m:s"	Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_RAB1950	00 24 42.42910	"h:m:s"	Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra) (POS_EQ_RA)
_DEB1950	-00 19 16.1299	"d:m:s"	Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_Glon	109.84401624	deg	Galactic longitude at Epoch=J0. (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lon) (POS_GAL_LON)
_Glat	-62.30054733	deg	Galactic latitude at Epoch=J0. (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lat) (POS_GAL_LAT)
objID	1237663203843375321		(i) SDSS unique object identifier (1) (links to online SDSS-DR16 data) (Note)   (meta.id;meta.main) (ID_MAIN)
ra	006.817359	deg	(i) Right Ascension of the object (ICRS) at Epoch="MJD" (ra) (pos.eq.ra;meta.main) (POS_EQ_RA_MAIN)
dec	-00.044523	deg	(i) Declination of the object (ICRS) at Epoch="MJD" (dec) (pos.eq.dec;meta.main) (POS_EQ_DEC_MAIN)
fieldID	1237663203843375104		The field this object is in (meta.note) (ID_FIELD)
mode	3		[1/4] PhotoMode (1=primary, 2=secondary, 3=family, 4=outside) (meta.code.class) (CLASS_CODE)
type	6		[0/8] Type of object (3=galaxy, 6=star) (type) (Note 2)   (src.class) (CLASS_OBJECT)
clean	0		[0/1] Clean photometry flag (1=clean; 0=unclean) (meta.code) (CODE_MISC)
flags	281543964623110		Photo Object Attribute flags (Note 3)   (meta.code.error) (CODE_MISC)
psfMag_u		mag	(i) [4/35] PSF magnitude in u band (psfMag_u) (Note 4)   (phot.mag;em.opt.U) (PHOT_SDSS_U)
psfMag_g		mag	[3.7/37] PSF magnitude in g band (psfMag_g) (Note 4)   (phot.mag;em.opt.B) (PHOT_SDSS_G)
psfMag_r	19.019	mag	[3.8/36] PSF magnitude in r band (psfMag_r) (Note 4)   (phot.mag;em.opt.R) (PHOT_SDSS_R)
psfMag_i	19.004	mag	[2.6/34] PSF magnitude in i band (psfMag_i) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_I)
psfMag_z		mag	[3.8/33.3] PSF magnitude in z band (psfMag_z) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_Z)
psfMagErr_u		mag	[1.5e-5/100] Mean error on upmag (psfMagErr_u) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_g		mag	Mean error on gpmag (psfMagErr_g) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_r	0.017	mag	Mean error on rpmag (psfMagErr_r) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_i	0.018	mag	Mean error on ipmag (psfMagErr_i) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_z		mag	Mean error on zpmag (psfMagErr_z) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMag_u		mag	[-0.4/47.2] Petrosian magnitude in u band (petroMag_u) (Note 4)   (phot.mag;em.opt.U) (PHOT_SDSS_U)
petroMag_g		mag	[3.7/48] Petrosian magnitude in g band (petroMag_g) (Note 4)   (phot.mag;em.opt.B) (PHOT_SDSS_G)
petroMag_r	19.097	mag	[1.3/48.6] Petrosian magnitude in r band (petroMag_r) (Note 4)   (phot.mag;em.opt.R) (PHOT_SDSS_R)
petroMag_i	19.126	mag	[2.6/48.4] Petrosian magnitude in i band (petroMag_i) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_I)
petroMag_z		mag	[-2.9/45.1] Petrosian magnitude in z band (petroMag_z) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_Z)
petroMagErr_u		mag	[1e-7/100] Mean error in uPmag (petroMagErr_u) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_g		mag	[9.1e-9/100] Mean error in gPmag (petroMagErr_g) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_r	0.017	mag	Mean error in rPmag (petroMagErr_r) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_i	0.026	mag	Mean error in iPmag (petroMagErr_i) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_z		mag	Mean error in zPmag (petroMagErr_z) (Note 4)   (stat.error;phot.mag) (ERROR)
petroRad_u	2.970	arcsec	[1.2e-6/261] Petrosian radius in u band (petroRad_u) (phys.angSize;src) (EXTENSION_RAD)
petroRad_g	2.970	arcsec	[2.3e-6/261] Petrosian radius in g band (petroRad_g) (phys.angSize;src) (EXTENSION_RAD)
petroRad_r	1.167	arcsec	[4.9e-6/260] Petrosian radius in r band (petroRad_r) (phys.angSize;src) (EXTENSION_RAD)
petroRad_i	1.099	arcsec	[2.2e-6/263] Petrosian radius in i band (petroRad_i) (phys.angSize;src) (EXTENSION_RAD)
petroRad_z	2.970	arcsec	[8.3e-7/261] Petrosian radius in z band (petroRad_z) (phys.angSize;src) (EXTENSION_RAD)
petroRadErr_u		arcsec	[-1000/259] Mean error in rPrad (petroRadErr_u) (stat.error) (ERROR)
petroRadErr_g		arcsec	[-1000/259] Mean error in rPrad (petroRadErr_g) (stat.error) (ERROR)
petroRadErr_r	0.029	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_r) (stat.error) (ERROR)
petroRadErr_i	0.028	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_i) (stat.error) (ERROR)
petroRadErr_z		arcsec	[-1000/257] Mean error in rPrad (petroRadErr_z) (stat.error) (ERROR)
deVRad_u		arcsec	[0/257] De Vaucouleurs fit radius u band (deVRad_u) (phys.angSize;src) (EXTENSION_RAD)
deVRad_g		arcsec	[0/238] De Vaucouleurs fit radius g band (deVRad_g) (phys.angSize;src) (EXTENSION_RAD)
deVRad_r	0.000	arcsec	[0/238] De Vaucouleurs fit radius r band (deVRad_r) (phys.angSize;src) (EXTENSION_RAD)
deVRad_i	0.000	arcsec	[0/232] De Vaucouleurs fit radius i band (deVRad_i) (phys.angSize;src) (EXTENSION_RAD)
deVRad_z		arcsec	[0/238] De Vaucouleurs fit radius z band (deVRad_z) (phys.angSize;src) (EXTENSION_RAD)
deVAB_u			[0.05/1] De Vaucouleurs fit b/a u band (deVAB_u) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_g			[0.05/1] De Vaucouleurs fit b/a g band (deVAB_g) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_r	0.623		[0.05/1] De Vaucouleurs fit b/a r band (deVAB_r) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_i	0.549		[0.05/1] De Vaucouleurs fit b/a i band (deVAB_i) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_z			[0.05/1] De Vaucouleurs fit b/a z band (deVAB_z) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVPhi_u	-9999.0	deg	[-10105/271] Position angle of dVrad in u band (deVPhi_u) (pos.posAng) (POS_POS-ANG)
deVPhi_g	-9999.0	deg	[-10105/271] Position angle of dVrad in g band (deVPhi_g) (pos.posAng) (POS_POS-ANG)
deVPhi_r	102.0	deg	[-10105/271] Position angle of dVrad in r band (deVPhi_r) (pos.posAng) (POS_POS-ANG)
deVPhi_i	92.8	deg	[-10105/271] Position angle of dVrad in i band (deVPhi_i) (pos.posAng) (POS_POS-ANG)
deVPhi_z	-9999.0	deg	[-10105/271] Position angle of dVrad in z band (deVPhi_z) (pos.posAng) (POS_POS-ANG)
flags_u	275146342788		Detection flags u band (flags_u) (Note 3)   (meta.code) (CODE_MISC)
flags_g	275146342790		Detection flags g band (flags_g) (Note 3)   (meta.code) (CODE_MISC)
flags_r	4503874773745666		Detection flags r band (flags_r) (Note 3)   (meta.code) (CODE_MISC)
flags_i	275146375168		Detection flags i band (flags_i) (Note 3)   (meta.code) (CODE_MISC)
flags_z	275146342788		Detection flags z band (flags_z) (Note 3)   (meta.code) (CODE_MISC)
type_u	0		[0/8] Phototype in u band (6=Star ; 3=galaxy) (type_u) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_g	0		[0/8] Phototype in i band (6=Star ; 3=galaxy) (type_g) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_r	6		[0/8] Phototype in r band (6=Star ; 3=galaxy) (type_r) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_i	6		[0/8] Phototype in i band (6=Star ; 3=galaxy) (type_i) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_z	0		[0/8] Phototype in z band (6=Star ; 3=galaxy) (type_z) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_u			[0/1] 0=notStar 1=Star in u band (probPSF_u) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_g			[0/1] 0=notStar 1=Star in g band (probPSF_g) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_r	1.0		[0/1] 0=notStar 1=Star in r band (probPSF_r) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_i	1.0		[0/1] 0=notStar 1=Star in i band (probPSF_i) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_z			[0/1] 0=notStar 1=Star in z band (probPSF_z) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
raErr	0.006	arcsec	[0/51703] Mean error on RAdeg (raErr) (stat.error;pos.eq.ra) (ERROR)
decErr	0.005	arcsec	[0/22795] Mean error on DEdeg (decErr) (stat.error;pos.eq.dec) (ERROR)
offsetRa_u	0.02	arcsec	Offset of u position along RA (offsetRa_u) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_g	0.01	arcsec	Offset of g position along RA (offsetRa_g) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_r	0.00	arcsec	Offset of r position along RA (offsetRa_r) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_i	-0.01	arcsec	Offset of i position along RA (offsetRa_i) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_z	0.02	arcsec	Offset of z position along RA (offsetRa_z) (pos.angDistance) (POS_EQ_RA_OFF)
offsetDec_u	-0.06	arcsec	Offset of u position along Dec (offsetDec_u) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_g	0.00	arcsec	Offset of g position along Dec (offsetDec_g) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_r	0.00	arcsec	Offset of r position along Dec (offsetDec_r) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_i	-0.07	arcsec	Offset of i position along Dec (offsetDec_i) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_z	-0.02	arcsec	Offset of z position along Dec (offsetDec_z) (pos.angDistance) (POS_EQ_DEC_OFF)
parentID	0		Pointer to parent (if object deblended) (meta.id.parent) (ID_PARENT)
specObjID	0		(i) Pointer to the spectrum of object or 0 (specObjID) (Note 6)   (meta.id) (ID_ALTERNATIVE)
u		mag	(i) [4/37.3] Model magnitude in u filter AB scale (u) (Note 7)   (phot.mag;em.opt.U) (PHOT_SDSS_U)
g		mag	(i) [3.7/39.6] Model magnitude in g filter AB scale (g) (Note 7)   (phot.mag;em.opt.B) (PHOT_SDSS_G)
r	19.027	mag	(i) [3.8/40.4] Model magnitude in r filter AB scale (r) (Note 7)   (phot.mag;em.opt.R) (PHOT_SDSS_R)
i	19.013	mag	(i) [2.6/39.5] Model magnitude in i filter AB scale (i) (Note 7)   (phot.mag;em.opt.I) (PHOT_SDSS_I)
z		mag	(i) [3.5/37.2] Model magnitude in z filter AB scale (z) (Note 7)   (phot.mag;em.opt.I) (PHOT_SDSS_Z)
err_u		mag	[8.9e-8/3444] Mean error on umag (err_u) (stat.error;phot.mag) (ERROR)
err_g		mag	[3.8e-8/5955] Mean error on gmag (err_g) (stat.error;phot.mag) (ERROR)
err_r	0.011	mag	[5.2e-8/915] Mean error on rmag (err_r) (stat.error;phot.mag) (ERROR)
err_i	0.018	mag	[0/634] Mean error on imag (err_i) (stat.error;phot.mag) (ERROR)
err_z		mag	[9.4e-8/3529] Mean error on zmag (err_z) (stat.error;phot.mag) (ERROR)
resolveStatus	8		[0/4145] Decimal status (resolveStatus) (Note 5)   (meta.code) (CODE_MISC)
spec_instrument			Spectral instrument used ("SDSS" or "BOSS") (spec_instrument) (Note 6)   (meta.id;instr) (INST_ID)
spec_sourceType			Source type (spec_sourceType) (6) (Note 8)   (src.class) (CLASS_OBJECT)
spec_z			(i) [-0.012/7.06] Spectroscopic final redshift (when SpObjID>0) (spec_z) (Note 6)   (src.redshift) (REDSHIFT_HC)
spec_zErr			[-6/30689] Mean error on zsp (negative for bad fit) (spec_zErr) (Note 6)   (stat.error) (ERROR)
spec_zWarning			[0/902] Zwarning flag (spec_zWarning) (6) (Note 9)   (meta.code) (CODE_MISC)
spec_class			Spectroscopic class: "GALAXY"; "QSO"; "STAR" (spec_class) (Note 6)   (meta.code.class;pos.parallax.spect) (CLASS_STAR/GALAXY)
spec_subClass			Spectroscopic subclass (spec_subClass) (6) (Note 10)   (src.class) (CLASS_OBJECT)
spec_velDisp		km/s	[0/850] Velocity dispersion (spec_velDisp) (Note 6)   (phys.veloc.dispersion) (VELOC_DISP)
spec_velDispErr		km/s	[-7/4526] Mean error on Vdisp (spec_velDispErr) (Note 6)   (stat.error) (ERROR)
spec_snMedian			[-1927/132] Median signal-to-noise over all good pixels (spec_snMedian) (Note 6)   (em.wl.central;stat.median) (INST_S/N)
pm_match			[0/4] Number of USNO-B objects matched within 1arcsec (pm_match) (Note 11)   (meta.number) (NUMBER)
pm_pmRa		mas/yr	[-6121/5519] Proper motion along Right Ascension (pm_pmRa) (Note 11)   (pos.pm;pos.eq.ra) (POS_EQ_PMRA)
pm_pmDec		mas/yr	[-4846/4437] Proper motion along Declination (pm_pmDec) (Note 11)   (pos.pm;pos.eq.dec) (POS_EQ_PMDEC)
pm_pmRaErr		mas/yr	[0/4709] Mean error on pmRA (pm_pmRaErr) (Note 11)   (stat.error;pos.pm;pos.eq.ra) (ERROR)
pm_pmDecErr		mas/yr	[0/4709] Mean error on pmDE (pm_pmDecErr) (Note 11)   (stat.error;pos.pm;pos.eq.dec) (ERROR)
pm_sigRa		mas	[0/8662] RMS residual of proper motion fit in RA (pm_sigRa) (Note 11)   (stat.fit.residual) (FIT_RESIDUAL)
pm_sigDec		mas	[0/10625] RMS residual of proper motion fit in Dec (pm_sigDec) (Note 11)   (stat.fit.residual) (FIT_RESIDUAL)
pm_nFit			[0/6] Number of detections used in the pm fit including SDSS (pm_nFit) (Note 11)   (meta.number) (NUMBER)
pm_O			[-214740/70189] Magnitude from USNO-B O plate recalibrated to SDSS g (pm_O) (Note 11)   (phot.mag;em.opt.B) (PHOT_PHG_B)
pm_E			Magnitude from E plate recalibrated to SDSS r (pm_E) (Note 11)   (phot.mag;em.opt.R) (PHOT_PHG_R)
pm_J			Magnitude from J plate recalibrated to SDSS g (pm_J) (Note 11)   (phot.mag;em.opt.B) (PHOT_PHG_B)
pm_F			Magnitude from F plate recalibrated to SDSS r (pm_F) (Note 11)   (phot.mag;em.opt.R) (PHOT_PHG_R)
pm_N			Magnitude from N plate recalibrated to SDSS i (pm_N) (Note 11)   (phot.mag;em.opt.I) (PHOT_PHG_I)
photoz_z			(i) [5e-4/1] Photometric redshift estimated by robust fit to nearest neighbors in a reference set (photoz_z) (Note 12)   (src.redshift) (REDSHIFT_PHOT)
photoz_zErr			[0.003/0.3] Estimated error of the photometric redshift (photoz_zErr) (Note 12)   (stat.error) (ERROR)
photoz_nnAvgZ			[0.009/0.9] Average redshift of the nearest neighbors; if significantly different from zph this might be a better estimate than zph (photoz_nnAvgZ) (Note 12)   (src.redshift.phot) (REDSHIFT_PHOT)
photoz_chisq			[2e-12/6.3e7] Chi-square value for the minimum chi-square template fit (photoz_chisq) (Note 12)   (stat.value) (FIT_CHI2)
field_quality	3		[1/3] Quality of the observation: 1=bad; 2=barely acceptable; 3=good (field_quality) (Note 13)   (meta.code.qual;obs.param;obs) (CODE_QUALITY)
field_mjd_u	52908.3008	d	Date of observation in u band (field_mjd_u) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_g	52908.3024	d	Date of observation in g band (field_mjd_g) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_r	52908.2991	d	Date of observation in r band (field_mjd_r) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_i	52908.2999	d	Date of observation in i band (field_mjd_i) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_z	52908.3016	d	Date of observation in z band (field_mjd_z) (Note 13)   (time.epoch) (TIME_DATE)
SDSS16	SDSS J002716.16-000240.2		(i) SDSS-DR16 name based on J2000 position; provided by CDS (meta.id) (ID_ALTERNATIVE)
SDSS-ID	4128-301-3-0168-0217		(i) SDSS object identifier (run-rerun-camcol-field-object) (Note 1)   (meta.id) (ID_ALTERNATIVE)
Sp-ID			(i) Spectroscopic Plate-MJD-Fiber identifier (plate-mjd-fiberID) (meta.id) (ID_ALTERNATIVE)
MJD	52908.3008	d	Mean observation date (average calculated by CDS from the uMJD, gMJD, rMJD, iMJD, zMJD) (time.epoch) (TIME_DATE)

Column	Value		Explain   (UCD)
_r	0.063	arcsec	Distance from center (006.817346-00.044534)[ICRS], at Epoch of catalog (MJD) (pos.angDistance) (POS_ANG_DIST_GENERAL)
_RAJ2000	00 27 16.16683	"h:m:s"	Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra) (POS_EQ_RA)
_DEJ2000	-00 02 40.2958	"d:m:s"	Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_RAB1950	00 24 42.42975	"h:m:s"	Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra) (POS_EQ_RA)
_DEB1950	-00 19 16.1419	"d:m:s"	Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_Glon	109.84402053	deg	Galactic longitude at Epoch=J0. (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lon) (POS_GAL_LON)
_Glat	-62.30055114	deg	Galactic latitude at Epoch=J0. (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lat) (POS_GAL_LAT)
objID	1237663740713369698		(i) SDSS unique object identifier (1) (links to online SDSS-DR16 data) (Note)   (meta.id;meta.main) (ID_MAIN)
ra	006.817362	deg	(i) Right Ascension of the object (ICRS) at Epoch="MJD" (ra) (pos.eq.ra;meta.main) (POS_EQ_RA_MAIN)
dec	-00.044527	deg	(i) Declination of the object (ICRS) at Epoch="MJD" (dec) (pos.eq.dec;meta.main) (POS_EQ_DEC_MAIN)
fieldID	1237663740713369600		The field this object is in (meta.note) (ID_FIELD)
mode	3		[1/4] PhotoMode (1=primary, 2=secondary, 3=family, 4=outside) (meta.code.class) (CLASS_CODE)
type	6		[0/8] Type of object (3=galaxy, 6=star) (type) (Note 2)   (src.class) (CLASS_OBJECT)
clean	0		[0/1] Clean photometry flag (1=clean; 0=unclean) (meta.code) (CODE_MISC)
flags	68987912706		Photo Object Attribute flags (Note 3)   (meta.code.error) (CODE_MISC)
psfMag_u	20.127	mag	(i) [4/35] PSF magnitude in u band (psfMag_u) (Note 4)   (phot.mag;em.opt.U) (PHOT_SDSS_U)
psfMag_g	19.143	mag	[3.7/37] PSF magnitude in g band (psfMag_g) (Note 4)   (phot.mag;em.opt.B) (PHOT_SDSS_G)
psfMag_r	19.022	mag	[3.8/36] PSF magnitude in r band (psfMag_r) (Note 4)   (phot.mag;em.opt.R) (PHOT_SDSS_R)
psfMag_i	18.991	mag	[2.6/34] PSF magnitude in i band (psfMag_i) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_I)
psfMag_z	18.954	mag	[3.8/33.3] PSF magnitude in z band (psfMag_z) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_Z)
psfMagErr_u	0.040	mag	[1.5e-5/100] Mean error on upmag (psfMagErr_u) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_g	0.021	mag	Mean error on gpmag (psfMagErr_g) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_r	0.016	mag	Mean error on rpmag (psfMagErr_r) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_i	0.017	mag	Mean error on ipmag (psfMagErr_i) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_z	0.048	mag	Mean error on zpmag (psfMagErr_z) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMag_u	20.198	mag	[-0.4/47.2] Petrosian magnitude in u band (petroMag_u) (Note 4)   (phot.mag;em.opt.U) (PHOT_SDSS_U)
petroMag_g	19.130	mag	[3.7/48] Petrosian magnitude in g band (petroMag_g) (Note 4)   (phot.mag;em.opt.B) (PHOT_SDSS_G)
petroMag_r	19.033	mag	[1.3/48.6] Petrosian magnitude in r band (petroMag_r) (Note 4)   (phot.mag;em.opt.R) (PHOT_SDSS_R)
petroMag_i	19.014	mag	[2.6/48.4] Petrosian magnitude in i band (petroMag_i) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_I)
petroMag_z	18.783	mag	[-2.9/45.1] Petrosian magnitude in z band (petroMag_z) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_Z)
petroMagErr_u	0.065	mag	[1e-7/100] Mean error in uPmag (petroMagErr_u) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_g	0.014	mag	[9.1e-9/100] Mean error in gPmag (petroMagErr_g) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_r	0.019	mag	Mean error in rPmag (petroMagErr_r) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_i	0.027	mag	Mean error in iPmag (petroMagErr_i) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_z	0.086	mag	Mean error in zPmag (petroMagErr_z) (Note 4)   (stat.error;phot.mag) (ERROR)
petroRad_u	1.650	arcsec	[1.2e-6/261] Petrosian radius in u band (petroRad_u) (phys.angSize;src) (EXTENSION_RAD)
petroRad_g	1.493	arcsec	[2.3e-6/261] Petrosian radius in g band (petroRad_g) (phys.angSize;src) (EXTENSION_RAD)
petroRad_r	1.509	arcsec	[4.9e-6/260] Petrosian radius in r band (petroRad_r) (phys.angSize;src) (EXTENSION_RAD)
petroRad_i	9.765	arcsec	[2.2e-6/263] Petrosian radius in i band (petroRad_i) (phys.angSize;src) (EXTENSION_RAD)
petroRad_z	4.047	arcsec	[8.3e-7/261] Petrosian radius in z band (petroRad_z) (phys.angSize;src) (EXTENSION_RAD)
petroRadErr_u	0.932	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_u) (stat.error) (ERROR)
petroRadErr_g	0.028	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_g) (stat.error) (ERROR)
petroRadErr_r	0.038	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_r) (stat.error) (ERROR)
petroRadErr_i	1.194	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_i) (stat.error) (ERROR)
petroRadErr_z	1.219	arcsec	[-1000/257] Mean error in rPrad (petroRadErr_z) (stat.error) (ERROR)
deVRad_u	0.170	arcsec	[0/257] De Vaucouleurs fit radius u band (deVRad_u) (phys.angSize;src) (EXTENSION_RAD)
deVRad_g	0.101	arcsec	[0/238] De Vaucouleurs fit radius g band (deVRad_g) (phys.angSize;src) (EXTENSION_RAD)
deVRad_r	0.088	arcsec	[0/238] De Vaucouleurs fit radius r band (deVRad_r) (phys.angSize;src) (EXTENSION_RAD)
deVRad_i	0.058	arcsec	[0/232] De Vaucouleurs fit radius i band (deVRad_i) (phys.angSize;src) (EXTENSION_RAD)
deVRad_z	0.066	arcsec	[0/238] De Vaucouleurs fit radius z band (deVRad_z) (phys.angSize;src) (EXTENSION_RAD)
deVAB_u	0.098		[0.05/1] De Vaucouleurs fit b/a u band (deVAB_u) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_g	0.411		[0.05/1] De Vaucouleurs fit b/a g band (deVAB_g) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_r	0.671		[0.05/1] De Vaucouleurs fit b/a r band (deVAB_r) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_i	0.098		[0.05/1] De Vaucouleurs fit b/a i band (deVAB_i) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_z	0.085		[0.05/1] De Vaucouleurs fit b/a z band (deVAB_z) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVPhi_u	18.6	deg	[-10105/271] Position angle of dVrad in u band (deVPhi_u) (pos.posAng) (POS_POS-ANG)
deVPhi_g	50.2	deg	[-10105/271] Position angle of dVrad in g band (deVPhi_g) (pos.posAng) (POS_POS-ANG)
deVPhi_r	126.2	deg	[-10105/271] Position angle of dVrad in r band (deVPhi_r) (pos.posAng) (POS_POS-ANG)
deVPhi_i	105.3	deg	[-10105/271] Position angle of dVrad in i band (deVPhi_i) (pos.posAng) (POS_POS-ANG)
deVPhi_z	127.8	deg	[-10105/271] Position angle of dVrad in z band (deVPhi_z) (pos.posAng) (POS_POS-ANG)
flags_u	275297370112		Detection flags u band (flags_u) (Note 3)   (meta.code) (CODE_MISC)
flags_g	275163152386		Detection flags g band (flags_g) (Note 3)   (meta.code) (CODE_MISC)
flags_r	4503874798911490		Detection flags r band (flags_r) (Note 3)   (meta.code) (CODE_MISC)
flags_i	275305890306		Detection flags i band (flags_i) (Note 3)   (meta.code) (CODE_MISC)
flags_z	275297337856		Detection flags z band (flags_z) (Note 3)   (meta.code) (CODE_MISC)
type_u	6		[0/8] Phototype in u band (6=Star ; 3=galaxy) (type_u) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_g	6		[0/8] Phototype in i band (6=Star ; 3=galaxy) (type_g) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_r	6		[0/8] Phototype in r band (6=Star ; 3=galaxy) (type_r) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_i	6		[0/8] Phototype in i band (6=Star ; 3=galaxy) (type_i) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_z	6		[0/8] Phototype in z band (6=Star ; 3=galaxy) (type_z) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_u	1.0		[0/1] 0=notStar 1=Star in u band (probPSF_u) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_g	1.0		[0/1] 0=notStar 1=Star in g band (probPSF_g) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_r	1.0		[0/1] 0=notStar 1=Star in r band (probPSF_r) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_i	1.0		[0/1] 0=notStar 1=Star in i band (probPSF_i) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_z	1.0		[0/1] 0=notStar 1=Star in z band (probPSF_z) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
raErr	0.008	arcsec	[0/51703] Mean error on RAdeg (raErr) (stat.error;pos.eq.ra) (ERROR)
decErr	0.008	arcsec	[0/22795] Mean error on DEdeg (decErr) (stat.error;pos.eq.dec) (ERROR)
offsetRa_u	-0.02	arcsec	Offset of u position along RA (offsetRa_u) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_g	0.03	arcsec	Offset of g position along RA (offsetRa_g) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_r	0.00	arcsec	Offset of r position along RA (offsetRa_r) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_i	0.04	arcsec	Offset of i position along RA (offsetRa_i) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_z	-0.02	arcsec	Offset of z position along RA (offsetRa_z) (pos.angDistance) (POS_EQ_RA_OFF)
offsetDec_u	0.08	arcsec	Offset of u position along Dec (offsetDec_u) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_g	0.04	arcsec	Offset of g position along Dec (offsetDec_g) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_r	0.00	arcsec	Offset of r position along Dec (offsetDec_r) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_i	0.04	arcsec	Offset of i position along Dec (offsetDec_i) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_z	0.02	arcsec	Offset of z position along Dec (offsetDec_z) (pos.angDistance) (POS_EQ_DEC_OFF)
parentID	0		Pointer to parent (if object deblended) (meta.id.parent) (ID_PARENT)
specObjID	0		(i) Pointer to the spectrum of object or 0 (specObjID) (Note 6)   (meta.id) (ID_ALTERNATIVE)
u	20.113	mag	(i) [4/37.3] Model magnitude in u filter AB scale (u) (Note 7)   (phot.mag;em.opt.U) (PHOT_SDSS_U)
g	19.119	mag	(i) [3.7/39.6] Model magnitude in g filter AB scale (g) (Note 7)   (phot.mag;em.opt.B) (PHOT_SDSS_G)
r	19.001	mag	(i) [3.8/40.4] Model magnitude in r filter AB scale (r) (Note 7)   (phot.mag;em.opt.R) (PHOT_SDSS_R)
i	18.964	mag	(i) [2.6/39.5] Model magnitude in i filter AB scale (i) (Note 7)   (phot.mag;em.opt.I) (PHOT_SDSS_I)
z	18.921	mag	(i) [3.5/37.2] Model magnitude in z filter AB scale (z) (Note 7)   (phot.mag;em.opt.I) (PHOT_SDSS_Z)
err_u	0.043	mag	[8.9e-8/3444] Mean error on umag (err_u) (stat.error;phot.mag) (ERROR)
err_g	0.010	mag	[3.8e-8/5955] Mean error on gmag (err_g) (stat.error;phot.mag) (ERROR)
err_r	0.012	mag	[5.2e-8/915] Mean error on rmag (err_r) (stat.error;phot.mag) (ERROR)
err_i	0.015	mag	[0/634] Mean error on imag (err_i) (stat.error;phot.mag) (ERROR)
err_z	0.047	mag	[9.4e-8/3529] Mean error on zmag (err_z) (stat.error;phot.mag) (ERROR)
resolveStatus	8		[0/4145] Decimal status (resolveStatus) (Note 5)   (meta.code) (CODE_MISC)
spec_instrument			Spectral instrument used ("SDSS" or "BOSS") (spec_instrument) (Note 6)   (meta.id;instr) (INST_ID)
spec_sourceType			Source type (spec_sourceType) (6) (Note 8)   (src.class) (CLASS_OBJECT)
spec_z			(i) [-0.012/7.06] Spectroscopic final redshift (when SpObjID>0) (spec_z) (Note 6)   (src.redshift) (REDSHIFT_HC)
spec_zErr			[-6/30689] Mean error on zsp (negative for bad fit) (spec_zErr) (Note 6)   (stat.error) (ERROR)
spec_zWarning			[0/902] Zwarning flag (spec_zWarning) (6) (Note 9)   (meta.code) (CODE_MISC)
spec_class			Spectroscopic class: "GALAXY"; "QSO"; "STAR" (spec_class) (Note 6)   (meta.code.class;pos.parallax.spect) (CLASS_STAR/GALAXY)
spec_subClass			Spectroscopic subclass (spec_subClass) (6) (Note 10)   (src.class) (CLASS_OBJECT)
spec_velDisp		km/s	[0/850] Velocity dispersion (spec_velDisp) (Note 6)   (phys.veloc.dispersion) (VELOC_DISP)
spec_velDispErr		km/s	[-7/4526] Mean error on Vdisp (spec_velDispErr) (Note 6)   (stat.error) (ERROR)
spec_snMedian			[-1927/132] Median signal-to-noise over all good pixels (spec_snMedian) (Note 6)   (em.wl.central;stat.median) (INST_S/N)
pm_match			[0/4] Number of USNO-B objects matched within 1arcsec (pm_match) (Note 11)   (meta.number) (NUMBER)
pm_pmRa		mas/yr	[-6121/5519] Proper motion along Right Ascension (pm_pmRa) (Note 11)   (pos.pm;pos.eq.ra) (POS_EQ_PMRA)
pm_pmDec		mas/yr	[-4846/4437] Proper motion along Declination (pm_pmDec) (Note 11)   (pos.pm;pos.eq.dec) (POS_EQ_PMDEC)
pm_pmRaErr		mas/yr	[0/4709] Mean error on pmRA (pm_pmRaErr) (Note 11)   (stat.error;pos.pm;pos.eq.ra) (ERROR)
pm_pmDecErr		mas/yr	[0/4709] Mean error on pmDE (pm_pmDecErr) (Note 11)   (stat.error;pos.pm;pos.eq.dec) (ERROR)
pm_sigRa		mas	[0/8662] RMS residual of proper motion fit in RA (pm_sigRa) (Note 11)   (stat.fit.residual) (FIT_RESIDUAL)
pm_sigDec		mas	[0/10625] RMS residual of proper motion fit in Dec (pm_sigDec) (Note 11)   (stat.fit.residual) (FIT_RESIDUAL)
pm_nFit			[0/6] Number of detections used in the pm fit including SDSS (pm_nFit) (Note 11)   (meta.number) (NUMBER)
pm_O			[-214740/70189] Magnitude from USNO-B O plate recalibrated to SDSS g (pm_O) (Note 11)   (phot.mag;em.opt.B) (PHOT_PHG_B)
pm_E			Magnitude from E plate recalibrated to SDSS r (pm_E) (Note 11)   (phot.mag;em.opt.R) (PHOT_PHG_R)
pm_J			Magnitude from J plate recalibrated to SDSS g (pm_J) (Note 11)   (phot.mag;em.opt.B) (PHOT_PHG_B)
pm_F			Magnitude from F plate recalibrated to SDSS r (pm_F) (Note 11)   (phot.mag;em.opt.R) (PHOT_PHG_R)
pm_N			Magnitude from N plate recalibrated to SDSS i (pm_N) (Note 11)   (phot.mag;em.opt.I) (PHOT_PHG_I)
photoz_z			(i) [5e-4/1] Photometric redshift estimated by robust fit to nearest neighbors in a reference set (photoz_z) (Note 12)   (src.redshift) (REDSHIFT_PHOT)
photoz_zErr			[0.003/0.3] Estimated error of the photometric redshift (photoz_zErr) (Note 12)   (stat.error) (ERROR)
photoz_nnAvgZ			[0.009/0.9] Average redshift of the nearest neighbors; if significantly different from zph this might be a better estimate than zph (photoz_nnAvgZ) (Note 12)   (src.redshift.phot) (REDSHIFT_PHOT)
photoz_chisq			[2e-12/6.3e7] Chi-square value for the minimum chi-square template fit (photoz_chisq) (Note 12)   (stat.value) (FIT_CHI2)
field_quality	3		[1/3] Quality of the observation: 1=bad; 2=barely acceptable; 3=good (field_quality) (Note 13)   (meta.code.qual;obs.param;obs) (CODE_QUALITY)
field_mjd_u	52962.1545	d	Date of observation in u band (field_mjd_u) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_g	52962.1561	d	Date of observation in g band (field_mjd_g) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_r	52962.1528	d	Date of observation in r band (field_mjd_r) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_i	52962.1537	d	Date of observation in i band (field_mjd_i) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_z	52962.1553	d	Date of observation in z band (field_mjd_z) (Note 13)   (time.epoch) (TIME_DATE)
SDSS16	SDSS J002716.16-000240.2		(i) SDSS-DR16 name based on J2000 position; provided by CDS (meta.id) (ID_ALTERNATIVE)
SDSS-ID	4253-301-3-0154-0098		(i) SDSS object identifier (run-rerun-camcol-field-object) (Note 1)   (meta.id) (ID_ALTERNATIVE)
Sp-ID			(i) Spectroscopic Plate-MJD-Fiber identifier (plate-mjd-fiberID) (meta.id) (ID_ALTERNATIVE)
MJD	52962.1545	d	Mean observation date (average calculated by CDS from the uMJD, gMJD, rMJD, iMJD, zMJD) (time.epoch) (TIME_DATE)

Column	Value		Explain   (UCD)
_r	0.064	arcsec	Distance from center (006.817346-00.044534)[ICRS], at Epoch of catalog (MJD) (pos.angDistance) (POS_ANG_DIST_GENERAL)
_RAJ2000	00 27 16.16334	"h:m:s"	Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra) (POS_EQ_RA)
_DEJ2000	-00 02 40.3661	"d:m:s"	Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_RAB1950	00 24 42.43928	"h:m:s"	Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra) (POS_EQ_RA)
_DEB1950	-00 19 16.0153	"d:m:s"	Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_Glon	109.84396816	deg	Galactic longitude at Epoch=J0. (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lon) (POS_GAL_LON)
_Glat	-62.30057143	deg	Galactic latitude at Epoch=J0. (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lat) (POS_GAL_LAT)
objID	1237666498077655159		(i) SDSS unique object identifier (1) (links to online SDSS-DR16 data) (Note)   (meta.id;meta.main) (ID_MAIN)
ra	006.817342	deg	(i) Right Ascension of the object (ICRS) at Epoch="MJD" (ra) (pos.eq.ra;meta.main) (POS_EQ_RA_MAIN)
dec	-00.044551	deg	(i) Declination of the object (ICRS) at Epoch="MJD" (dec) (pos.eq.dec;meta.main) (POS_EQ_DEC_MAIN)
fieldID	1237666498077655040		The field this object is in (meta.note) (ID_FIELD)
mode	2		[1/4] PhotoMode (1=primary, 2=secondary, 3=family, 4=outside) (meta.code.class) (CLASS_CODE)
type	6		[0/8] Type of object (3=galaxy, 6=star) (type) (Note 2)   (src.class) (CLASS_OBJECT)
clean	0		[0/1] Clean photometry flag (1=clean; 0=unclean) (meta.code) (CODE_MISC)
flags	68987912192		Photo Object Attribute flags (Note 3)   (meta.code.error) (CODE_MISC)
psfMag_u	20.046	mag	(i) [4/35] PSF magnitude in u band (psfMag_u) (Note 4)   (phot.mag;em.opt.U) (PHOT_SDSS_U)
psfMag_g	19.120	mag	[3.7/37] PSF magnitude in g band (psfMag_g) (Note 4)   (phot.mag;em.opt.B) (PHOT_SDSS_G)
psfMag_r	18.962	mag	[3.8/36] PSF magnitude in r band (psfMag_r) (Note 4)   (phot.mag;em.opt.R) (PHOT_SDSS_R)
psfMag_i	19.017	mag	[2.6/34] PSF magnitude in i band (psfMag_i) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_I)
psfMag_z	19.040	mag	[3.8/33.3] PSF magnitude in z band (psfMag_z) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_Z)
psfMagErr_u	0.048	mag	[1.5e-5/100] Mean error on upmag (psfMagErr_u) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_g	0.021	mag	Mean error on gpmag (psfMagErr_g) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_r	0.024	mag	Mean error on rpmag (psfMagErr_r) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_i	0.019	mag	Mean error on ipmag (psfMagErr_i) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_z	0.051	mag	Mean error on zpmag (psfMagErr_z) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMag_u	20.090	mag	[-0.4/47.2] Petrosian magnitude in u band (petroMag_u) (Note 4)   (phot.mag;em.opt.U) (PHOT_SDSS_U)
petroMag_g	19.193	mag	[3.7/48] Petrosian magnitude in g band (petroMag_g) (Note 4)   (phot.mag;em.opt.B) (PHOT_SDSS_G)
petroMag_r	19.057	mag	[1.3/48.6] Petrosian magnitude in r band (petroMag_r) (Note 4)   (phot.mag;em.opt.R) (PHOT_SDSS_R)
petroMag_i	19.067	mag	[2.6/48.4] Petrosian magnitude in i band (petroMag_i) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_I)
petroMag_z	19.086	mag	[-2.9/45.1] Petrosian magnitude in z band (petroMag_z) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_Z)
petroMagErr_u	0.061	mag	[1e-7/100] Mean error in uPmag (petroMagErr_u) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_g	0.014	mag	[9.1e-9/100] Mean error in gPmag (petroMagErr_g) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_r	0.017	mag	Mean error in rPmag (petroMagErr_r) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_i	0.024	mag	Mean error in iPmag (petroMagErr_i) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_z	0.094	mag	Mean error in zPmag (petroMagErr_z) (Note 4)   (stat.error;phot.mag) (ERROR)
petroRad_u	1.670	arcsec	[1.2e-6/261] Petrosian radius in u band (petroRad_u) (phys.angSize;src) (EXTENSION_RAD)
petroRad_g	1.917	arcsec	[2.3e-6/261] Petrosian radius in g band (petroRad_g) (phys.angSize;src) (EXTENSION_RAD)
petroRad_r	1.358	arcsec	[4.9e-6/260] Petrosian radius in r band (petroRad_r) (phys.angSize;src) (EXTENSION_RAD)
petroRad_i	1.371	arcsec	[2.2e-6/263] Petrosian radius in i band (petroRad_i) (phys.angSize;src) (EXTENSION_RAD)
petroRad_z	1.740	arcsec	[8.3e-7/261] Petrosian radius in z band (petroRad_z) (phys.angSize;src) (EXTENSION_RAD)
petroRadErr_u	0.135	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_u) (stat.error) (ERROR)
petroRadErr_g	0.029	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_g) (stat.error) (ERROR)
petroRadErr_r	0.031	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_r) (stat.error) (ERROR)
petroRadErr_i	0.050	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_i) (stat.error) (ERROR)
petroRadErr_z	0.175	arcsec	[-1000/257] Mean error in rPrad (petroRadErr_z) (stat.error) (ERROR)
deVRad_u	0.118	arcsec	[0/257] De Vaucouleurs fit radius u band (deVRad_u) (phys.angSize;src) (EXTENSION_RAD)
deVRad_g	0.050	arcsec	[0/238] De Vaucouleurs fit radius g band (deVRad_g) (phys.angSize;src) (EXTENSION_RAD)
deVRad_r	0.000	arcsec	[0/238] De Vaucouleurs fit radius r band (deVRad_r) (phys.angSize;src) (EXTENSION_RAD)
deVRad_i	0.003	arcsec	[0/232] De Vaucouleurs fit radius i band (deVRad_i) (phys.angSize;src) (EXTENSION_RAD)
deVRad_z	0.144	arcsec	[0/238] De Vaucouleurs fit radius z band (deVRad_z) (phys.angSize;src) (EXTENSION_RAD)
deVAB_u	0.149		[0.05/1] De Vaucouleurs fit b/a u band (deVAB_u) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_g	0.147		[0.05/1] De Vaucouleurs fit b/a g band (deVAB_g) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_r	0.651		[0.05/1] De Vaucouleurs fit b/a r band (deVAB_r) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_i	0.117		[0.05/1] De Vaucouleurs fit b/a i band (deVAB_i) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_z	0.144		[0.05/1] De Vaucouleurs fit b/a z band (deVAB_z) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVPhi_u	29.5	deg	[-10105/271] Position angle of dVrad in u band (deVPhi_u) (pos.posAng) (POS_POS-ANG)
deVPhi_g	73.7	deg	[-10105/271] Position angle of dVrad in g band (deVPhi_g) (pos.posAng) (POS_POS-ANG)
deVPhi_r	137.1	deg	[-10105/271] Position angle of dVrad in r band (deVPhi_r) (pos.posAng) (POS_POS-ANG)
deVPhi_i	55.1	deg	[-10105/271] Position angle of dVrad in i band (deVPhi_i) (pos.posAng) (POS_POS-ANG)
deVPhi_z	77.2	deg	[-10105/271] Position angle of dVrad in z band (deVPhi_z) (pos.posAng) (POS_POS-ANG)
flags_u	275297370112		Detection flags u band (flags_u) (Note 3)   (meta.code) (CODE_MISC)
flags_g	293634048		Detection flags g band (flags_g) (Note 3)   (meta.code) (CODE_MISC)
flags_r	4503599921004544		Detection flags r band (flags_r) (Note 3)   (meta.code) (CODE_MISC)
flags_i	419463168		Detection flags i band (flags_i) (Note 3)   (meta.code) (CODE_MISC)
flags_z	275297370112		Detection flags z band (flags_z) (Note 3)   (meta.code) (CODE_MISC)
type_u	6		[0/8] Phototype in u band (6=Star ; 3=galaxy) (type_u) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_g	6		[0/8] Phototype in i band (6=Star ; 3=galaxy) (type_g) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_r	6		[0/8] Phototype in r band (6=Star ; 3=galaxy) (type_r) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_i	6		[0/8] Phototype in i band (6=Star ; 3=galaxy) (type_i) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_z	6		[0/8] Phototype in z band (6=Star ; 3=galaxy) (type_z) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_u	1.0		[0/1] 0=notStar 1=Star in u band (probPSF_u) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_g	1.0		[0/1] 0=notStar 1=Star in g band (probPSF_g) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_r	1.0		[0/1] 0=notStar 1=Star in r band (probPSF_r) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_i	1.0		[0/1] 0=notStar 1=Star in i band (probPSF_i) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_z	1.0		[0/1] 0=notStar 1=Star in z band (probPSF_z) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
raErr	0.007	arcsec	[0/51703] Mean error on RAdeg (raErr) (stat.error;pos.eq.ra) (ERROR)
decErr	0.007	arcsec	[0/22795] Mean error on DEdeg (decErr) (stat.error;pos.eq.dec) (ERROR)
offsetRa_u	0.11	arcsec	Offset of u position along RA (offsetRa_u) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_g	0.08	arcsec	Offset of g position along RA (offsetRa_g) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_r	0.00	arcsec	Offset of r position along RA (offsetRa_r) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_i	0.00	arcsec	Offset of i position along RA (offsetRa_i) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_z	-0.03	arcsec	Offset of z position along RA (offsetRa_z) (pos.angDistance) (POS_EQ_RA_OFF)
offsetDec_u	0.03	arcsec	Offset of u position along Dec (offsetDec_u) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_g	0.01	arcsec	Offset of g position along Dec (offsetDec_g) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_r	0.00	arcsec	Offset of r position along Dec (offsetDec_r) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_i	-0.03	arcsec	Offset of i position along Dec (offsetDec_i) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_z	-0.09	arcsec	Offset of z position along Dec (offsetDec_z) (pos.angDistance) (POS_EQ_DEC_OFF)
parentID	1237666498077655158		Pointer to parent (if object deblended) (meta.id.parent) (ID_PARENT)
specObjID	0		(i) Pointer to the spectrum of object or 0 (specObjID) (Note 6)   (meta.id) (ID_ALTERNATIVE)
u	20.054	mag	(i) [4/37.3] Model magnitude in u filter AB scale (u) (Note 7)   (phot.mag;em.opt.U) (PHOT_SDSS_U)
g	19.122	mag	(i) [3.7/39.6] Model magnitude in g filter AB scale (g) (Note 7)   (phot.mag;em.opt.B) (PHOT_SDSS_G)
r	18.980	mag	(i) [3.8/40.4] Model magnitude in r filter AB scale (r) (Note 7)   (phot.mag;em.opt.R) (PHOT_SDSS_R)
i	19.020	mag	(i) [2.6/39.5] Model magnitude in i filter AB scale (i) (Note 7)   (phot.mag;em.opt.I) (PHOT_SDSS_I)
z	19.041	mag	(i) [3.5/37.2] Model magnitude in z filter AB scale (z) (Note 7)   (phot.mag;em.opt.I) (PHOT_SDSS_Z)
err_u	0.044	mag	[8.9e-8/3444] Mean error on umag (err_u) (stat.error;phot.mag) (ERROR)
err_g	0.011	mag	[3.8e-8/5955] Mean error on gmag (err_g) (stat.error;phot.mag) (ERROR)
err_r	0.012	mag	[5.2e-8/915] Mean error on rmag (err_r) (stat.error;phot.mag) (ERROR)
err_i	0.014	mag	[0/634] Mean error on imag (err_i) (stat.error;phot.mag) (ERROR)
err_z	0.052	mag	[9.4e-8/3529] Mean error on zmag (err_z) (stat.error;phot.mag) (ERROR)
resolveStatus	1025		[0/4145] Decimal status (resolveStatus) (Note 5)   (meta.code) (CODE_MISC)
spec_instrument			Spectral instrument used ("SDSS" or "BOSS") (spec_instrument) (Note 6)   (meta.id;instr) (INST_ID)
spec_sourceType			Source type (spec_sourceType) (6) (Note 8)   (src.class) (CLASS_OBJECT)
spec_z			(i) [-0.012/7.06] Spectroscopic final redshift (when SpObjID>0) (spec_z) (Note 6)   (src.redshift) (REDSHIFT_HC)
spec_zErr			[-6/30689] Mean error on zsp (negative for bad fit) (spec_zErr) (Note 6)   (stat.error) (ERROR)
spec_zWarning			[0/902] Zwarning flag (spec_zWarning) (6) (Note 9)   (meta.code) (CODE_MISC)
spec_class			Spectroscopic class: "GALAXY"; "QSO"; "STAR" (spec_class) (Note 6)   (meta.code.class;pos.parallax.spect) (CLASS_STAR/GALAXY)
spec_subClass			Spectroscopic subclass (spec_subClass) (6) (Note 10)   (src.class) (CLASS_OBJECT)
spec_velDisp		km/s	[0/850] Velocity dispersion (spec_velDisp) (Note 6)   (phys.veloc.dispersion) (VELOC_DISP)
spec_velDispErr		km/s	[-7/4526] Mean error on Vdisp (spec_velDispErr) (Note 6)   (stat.error) (ERROR)
spec_snMedian			[-1927/132] Median signal-to-noise over all good pixels (spec_snMedian) (Note 6)   (em.wl.central;stat.median) (INST_S/N)
pm_match	1		[0/4] Number of USNO-B objects matched within 1arcsec (pm_match) (Note 11)   (meta.number) (NUMBER)
pm_pmRa	-3.91	mas/yr	[-6121/5519] Proper motion along Right Ascension (pm_pmRa) (Note 11)   (pos.pm;pos.eq.ra) (POS_EQ_PMRA)
pm_pmDec	-3.94	mas/yr	[-4846/4437] Proper motion along Declination (pm_pmDec) (Note 11)   (pos.pm;pos.eq.dec) (POS_EQ_PMDEC)
pm_pmRaErr	3.10	mas/yr	[0/4709] Mean error on pmRA (pm_pmRaErr) (Note 11)   (stat.error;pos.pm;pos.eq.ra) (ERROR)
pm_pmDecErr	3.10	mas/yr	[0/4709] Mean error on pmDE (pm_pmDecErr) (Note 11)   (stat.error;pos.pm;pos.eq.dec) (ERROR)
pm_sigRa	128.00	mas	[0/8662] RMS residual of proper motion fit in RA (pm_sigRa) (Note 11)   (stat.fit.residual) (FIT_RESIDUAL)
pm_sigDec	201.63	mas	[0/10625] RMS residual of proper motion fit in Dec (pm_sigDec) (Note 11)   (stat.fit.residual) (FIT_RESIDUAL)
pm_nFit	5		[0/6] Number of detections used in the pm fit including SDSS (pm_nFit) (Note 11)   (meta.number) (NUMBER)
pm_O	18.8		[-214740/70189] Magnitude from USNO-B O plate recalibrated to SDSS g (pm_O) (Note 11)   (phot.mag;em.opt.B) (PHOT_PHG_B)
pm_E	19.1		Magnitude from E plate recalibrated to SDSS r (pm_E) (Note 11)   (phot.mag;em.opt.R) (PHOT_PHG_R)
pm_J	19.3		Magnitude from J plate recalibrated to SDSS g (pm_J) (Note 11)   (phot.mag;em.opt.B) (PHOT_PHG_B)
pm_F	19.0		Magnitude from F plate recalibrated to SDSS r (pm_F) (Note 11)   (phot.mag;em.opt.R) (PHOT_PHG_R)
pm_N	0.0		Magnitude from N plate recalibrated to SDSS i (pm_N) (Note 11)   (phot.mag;em.opt.I) (PHOT_PHG_I)
photoz_z			(i) [5e-4/1] Photometric redshift estimated by robust fit to nearest neighbors in a reference set (photoz_z) (Note 12)   (src.redshift) (REDSHIFT_PHOT)
photoz_zErr			[0.003/0.3] Estimated error of the photometric redshift (photoz_zErr) (Note 12)   (stat.error) (ERROR)
photoz_nnAvgZ			[0.009/0.9] Average redshift of the nearest neighbors; if significantly different from zph this might be a better estimate than zph (photoz_nnAvgZ) (Note 12)   (src.redshift.phot) (REDSHIFT_PHOT)
photoz_chisq			[2e-12/6.3e7] Chi-square value for the minimum chi-square template fit (photoz_chisq) (Note 12)   (stat.value) (FIT_CHI2)
field_quality	1		[1/3] Quality of the observation: 1=bad; 2=barely acceptable; 3=good (field_quality) (Note 13)   (meta.code.qual;obs.param;obs) (CODE_QUALITY)
field_mjd_u	53294.3179	d	Date of observation in u band (field_mjd_u) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_g	53294.3195	d	Date of observation in g band (field_mjd_g) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_r	53294.3162	d	Date of observation in r band (field_mjd_r) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_i	53294.3170	d	Date of observation in i band (field_mjd_i) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_z	53294.3187	d	Date of observation in z band (field_mjd_z) (Note 13)   (time.epoch) (TIME_DATE)
SDSS16	SDSS J002716.16-000240.3		(i) SDSS-DR16 name based on J2000 position; provided by CDS (meta.id) (ID_ALTERNATIVE)
SDSS-ID	4895-301-3-0082-0119		(i) SDSS object identifier (run-rerun-camcol-field-object) (Note 1)   (meta.id) (ID_ALTERNATIVE)
Sp-ID			(i) Spectroscopic Plate-MJD-Fiber identifier (plate-mjd-fiberID) (meta.id) (ID_ALTERNATIVE)
MJD	53294.3179	d	Mean observation date (average calculated by CDS from the uMJD, gMJD, rMJD, iMJD, zMJD) (time.epoch) (TIME_DATE)

Column	Value		Explain   (UCD)
_r	0.065	arcsec	Distance from center (006.817346-00.044534)[ICRS], at Epoch of catalog (MJD) (pos.angDistance) (POS_ANG_DIST_GENERAL)
_RAJ2000	00 27 16.16738	"h:m:s"	Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra) (POS_EQ_RA)
_DEJ2000	-00 02 40.3429	"d:m:s"	Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_RAB1950	00 24 42.44088	"h:m:s"	Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra) (POS_EQ_RA)
_DEB1950	-00 19 16.0571	"d:m:s"	Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_Glon	109.84401577	deg	Galactic longitude at Epoch=J0. (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lon) (POS_GAL_LON)
_Glat	-62.30056540	deg	Galactic latitude at Epoch=J0. (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lat) (POS_GAL_LAT)
objID	1237656855872143459		(i) SDSS unique object identifier (1) (links to online SDSS-DR16 data) (Note)   (meta.id;meta.main) (ID_MAIN)
ra	006.817362	deg	(i) Right Ascension of the object (ICRS) at Epoch="MJD" (ra) (pos.eq.ra;meta.main) (POS_EQ_RA_MAIN)
dec	-00.044541	deg	(i) Declination of the object (ICRS) at Epoch="MJD" (dec) (pos.eq.dec;meta.main) (POS_EQ_DEC_MAIN)
fieldID	1237656855872143360		The field this object is in (meta.note) (ID_FIELD)
mode	2		[1/4] PhotoMode (1=primary, 2=secondary, 3=family, 4=outside) (meta.code.class) (CLASS_CODE)
type	6		[0/8] Type of object (3=galaxy, 6=star) (type) (Note 2)   (src.class) (CLASS_OBJECT)
clean	0		[0/1] Clean photometry flag (1=clean; 0=unclean) (meta.code) (CODE_MISC)
flags	68988047872		Photo Object Attribute flags (Note 3)   (meta.code.error) (CODE_MISC)
psfMag_u	20.117	mag	(i) [4/35] PSF magnitude in u band (psfMag_u) (Note 4)   (phot.mag;em.opt.U) (PHOT_SDSS_U)
psfMag_g	19.142	mag	[3.7/37] PSF magnitude in g band (psfMag_g) (Note 4)   (phot.mag;em.opt.B) (PHOT_SDSS_G)
psfMag_r	19.019	mag	[3.8/36] PSF magnitude in r band (psfMag_r) (Note 4)   (phot.mag;em.opt.R) (PHOT_SDSS_R)
psfMag_i	19.005	mag	[2.6/34] PSF magnitude in i band (psfMag_i) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_I)
psfMag_z	19.019	mag	[3.8/33.3] PSF magnitude in z band (psfMag_z) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_Z)
psfMagErr_u	0.048	mag	[1.5e-5/100] Mean error on upmag (psfMagErr_u) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_g	0.030	mag	Mean error on gpmag (psfMagErr_g) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_r	0.019	mag	Mean error on rpmag (psfMagErr_r) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_i	0.020	mag	Mean error on ipmag (psfMagErr_i) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_z	0.053	mag	Mean error on zpmag (psfMagErr_z) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMag_u	20.176	mag	[-0.4/47.2] Petrosian magnitude in u band (petroMag_u) (Note 4)   (phot.mag;em.opt.U) (PHOT_SDSS_U)
petroMag_g	19.208	mag	[3.7/48] Petrosian magnitude in g band (petroMag_g) (Note 4)   (phot.mag;em.opt.B) (PHOT_SDSS_G)
petroMag_r	19.061	mag	[1.3/48.6] Petrosian magnitude in r band (petroMag_r) (Note 4)   (phot.mag;em.opt.R) (PHOT_SDSS_R)
petroMag_i	19.079	mag	[2.6/48.4] Petrosian magnitude in i band (petroMag_i) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_I)
petroMag_z	19.085	mag	[-2.9/45.1] Petrosian magnitude in z band (petroMag_z) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_Z)
petroMagErr_u	0.072	mag	[1e-7/100] Mean error in uPmag (petroMagErr_u) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_g	0.014	mag	[9.1e-9/100] Mean error in gPmag (petroMagErr_g) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_r	0.017	mag	Mean error in rPmag (petroMagErr_r) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_i	0.025	mag	Mean error in iPmag (petroMagErr_i) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_z	0.104	mag	Mean error in zPmag (petroMagErr_z) (Note 4)   (stat.error;phot.mag) (ERROR)
petroRad_u	3.962	arcsec	[1.2e-6/261] Petrosian radius in u band (petroRad_u) (phys.angSize;src) (EXTENSION_RAD)
petroRad_g	1.767	arcsec	[2.3e-6/261] Petrosian radius in g band (petroRad_g) (phys.angSize;src) (EXTENSION_RAD)
petroRad_r	1.254	arcsec	[4.9e-6/260] Petrosian radius in r band (petroRad_r) (phys.angSize;src) (EXTENSION_RAD)
petroRad_i	1.206	arcsec	[2.2e-6/263] Petrosian radius in i band (petroRad_i) (phys.angSize;src) (EXTENSION_RAD)
petroRad_z	1.354	arcsec	[8.3e-7/261] Petrosian radius in z band (petroRad_z) (phys.angSize;src) (EXTENSION_RAD)
petroRadErr_u	0.106	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_u) (stat.error) (ERROR)
petroRadErr_g	0.027	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_g) (stat.error) (ERROR)
petroRadErr_r	0.032	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_r) (stat.error) (ERROR)
petroRadErr_i	0.046	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_i) (stat.error) (ERROR)
petroRadErr_z	0.157	arcsec	[-1000/257] Mean error in rPrad (petroRadErr_z) (stat.error) (ERROR)
deVRad_u	0.230	arcsec	[0/257] De Vaucouleurs fit radius u band (deVRad_u) (phys.angSize;src) (EXTENSION_RAD)
deVRad_g	0.124	arcsec	[0/238] De Vaucouleurs fit radius g band (deVRad_g) (phys.angSize;src) (EXTENSION_RAD)
deVRad_r	0.000	arcsec	[0/238] De Vaucouleurs fit radius r band (deVRad_r) (phys.angSize;src) (EXTENSION_RAD)
deVRad_i	0.000	arcsec	[0/232] De Vaucouleurs fit radius i band (deVRad_i) (phys.angSize;src) (EXTENSION_RAD)
deVRad_z	0.143	arcsec	[0/238] De Vaucouleurs fit radius z band (deVRad_z) (phys.angSize;src) (EXTENSION_RAD)
deVAB_u	0.096		[0.05/1] De Vaucouleurs fit b/a u band (deVAB_u) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_g	0.200		[0.05/1] De Vaucouleurs fit b/a g band (deVAB_g) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_r	0.695		[0.05/1] De Vaucouleurs fit b/a r band (deVAB_r) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_i	0.694		[0.05/1] De Vaucouleurs fit b/a i band (deVAB_i) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_z	0.516		[0.05/1] De Vaucouleurs fit b/a z band (deVAB_z) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVPhi_u	20.8	deg	[-10105/271] Position angle of dVrad in u band (deVPhi_u) (pos.posAng) (POS_POS-ANG)
deVPhi_g	56.5	deg	[-10105/271] Position angle of dVrad in g band (deVPhi_g) (pos.posAng) (POS_POS-ANG)
deVPhi_r	71.6	deg	[-10105/271] Position angle of dVrad in r band (deVPhi_r) (pos.posAng) (POS_POS-ANG)
deVPhi_i	108.7	deg	[-10105/271] Position angle of dVrad in i band (deVPhi_i) (pos.posAng) (POS_POS-ANG)
deVPhi_z	44.1	deg	[-10105/271] Position angle of dVrad in z band (deVPhi_z) (pos.posAng) (POS_POS-ANG)
flags_u	275297337856		Detection flags u band (flags_u) (Note 3)   (meta.code) (CODE_MISC)
flags_g	268468224		Detection flags g band (flags_g) (Note 3)   (meta.code) (CODE_MISC)
flags_r	4503599895838720		Detection flags r band (flags_r) (Note 3)   (meta.code) (CODE_MISC)
flags_i	275146510336		Detection flags i band (flags_i) (Note 3)   (meta.code) (CODE_MISC)
flags_z	275280592896		Detection flags z band (flags_z) (Note 3)   (meta.code) (CODE_MISC)
type_u	6		[0/8] Phototype in u band (6=Star ; 3=galaxy) (type_u) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_g	6		[0/8] Phototype in i band (6=Star ; 3=galaxy) (type_g) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_r	6		[0/8] Phototype in r band (6=Star ; 3=galaxy) (type_r) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_i	6		[0/8] Phototype in i band (6=Star ; 3=galaxy) (type_i) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_z	6		[0/8] Phototype in z band (6=Star ; 3=galaxy) (type_z) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_u	1.0		[0/1] 0=notStar 1=Star in u band (probPSF_u) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_g	1.0		[0/1] 0=notStar 1=Star in g band (probPSF_g) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_r	1.0		[0/1] 0=notStar 1=Star in r band (probPSF_r) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_i	1.0		[0/1] 0=notStar 1=Star in i band (probPSF_i) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_z	1.0		[0/1] 0=notStar 1=Star in z band (probPSF_z) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
raErr	0.006	arcsec	[0/51703] Mean error on RAdeg (raErr) (stat.error;pos.eq.ra) (ERROR)
decErr	0.006	arcsec	[0/22795] Mean error on DEdeg (decErr) (stat.error;pos.eq.dec) (ERROR)
offsetRa_u	-0.01	arcsec	Offset of u position along RA (offsetRa_u) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_g	0.03	arcsec	Offset of g position along RA (offsetRa_g) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_r	0.00	arcsec	Offset of r position along RA (offsetRa_r) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_i	0.02	arcsec	Offset of i position along RA (offsetRa_i) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_z	-0.05	arcsec	Offset of z position along RA (offsetRa_z) (pos.angDistance) (POS_EQ_RA_OFF)
offsetDec_u	-0.09	arcsec	Offset of u position along Dec (offsetDec_u) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_g	0.02	arcsec	Offset of g position along Dec (offsetDec_g) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_r	0.00	arcsec	Offset of r position along Dec (offsetDec_r) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_i	0.01	arcsec	Offset of i position along Dec (offsetDec_i) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_z	-0.04	arcsec	Offset of z position along Dec (offsetDec_z) (pos.angDistance) (POS_EQ_DEC_OFF)
parentID	1237656855872143458		Pointer to parent (if object deblended) (meta.id.parent) (ID_PARENT)
specObjID	0		(i) Pointer to the spectrum of object or 0 (specObjID) (Note 6)   (meta.id) (ID_ALTERNATIVE)
u	20.117	mag	(i) [4/37.3] Model magnitude in u filter AB scale (u) (Note 7)   (phot.mag;em.opt.U) (PHOT_SDSS_U)
g	19.132	mag	(i) [3.7/39.6] Model magnitude in g filter AB scale (g) (Note 7)   (phot.mag;em.opt.B) (PHOT_SDSS_G)
r	19.017	mag	(i) [3.8/40.4] Model magnitude in r filter AB scale (r) (Note 7)   (phot.mag;em.opt.R) (PHOT_SDSS_R)
i	19.011	mag	(i) [2.6/39.5] Model magnitude in i filter AB scale (i) (Note 7)   (phot.mag;em.opt.I) (PHOT_SDSS_I)
z	19.008	mag	(i) [3.5/37.2] Model magnitude in z filter AB scale (z) (Note 7)   (phot.mag;em.opt.I) (PHOT_SDSS_Z)
err_u	0.048	mag	[8.9e-8/3444] Mean error on umag (err_u) (stat.error;phot.mag) (ERROR)
err_g	0.011	mag	[3.8e-8/5955] Mean error on gmag (err_g) (stat.error;phot.mag) (ERROR)
err_r	0.011	mag	[5.2e-8/915] Mean error on rmag (err_r) (stat.error;phot.mag) (ERROR)
err_i	0.015	mag	[0/634] Mean error on imag (err_i) (stat.error;phot.mag) (ERROR)
err_z	0.052	mag	[9.4e-8/3529] Mean error on zmag (err_z) (stat.error;phot.mag) (ERROR)
resolveStatus	1025		[0/4145] Decimal status (resolveStatus) (Note 5)   (meta.code) (CODE_MISC)
spec_instrument			Spectral instrument used ("SDSS" or "BOSS") (spec_instrument) (Note 6)   (meta.id;instr) (INST_ID)
spec_sourceType			Source type (spec_sourceType) (6) (Note 8)   (src.class) (CLASS_OBJECT)
spec_z			(i) [-0.012/7.06] Spectroscopic final redshift (when SpObjID>0) (spec_z) (Note 6)   (src.redshift) (REDSHIFT_HC)
spec_zErr			[-6/30689] Mean error on zsp (negative for bad fit) (spec_zErr) (Note 6)   (stat.error) (ERROR)
spec_zWarning			[0/902] Zwarning flag (spec_zWarning) (6) (Note 9)   (meta.code) (CODE_MISC)
spec_class			Spectroscopic class: "GALAXY"; "QSO"; "STAR" (spec_class) (Note 6)   (meta.code.class;pos.parallax.spect) (CLASS_STAR/GALAXY)
spec_subClass			Spectroscopic subclass (spec_subClass) (6) (Note 10)   (src.class) (CLASS_OBJECT)
spec_velDisp		km/s	[0/850] Velocity dispersion (spec_velDisp) (Note 6)   (phys.veloc.dispersion) (VELOC_DISP)
spec_velDispErr		km/s	[-7/4526] Mean error on Vdisp (spec_velDispErr) (Note 6)   (stat.error) (ERROR)
spec_snMedian			[-1927/132] Median signal-to-noise over all good pixels (spec_snMedian) (Note 6)   (em.wl.central;stat.median) (INST_S/N)
pm_match	1		[0/4] Number of USNO-B objects matched within 1arcsec (pm_match) (Note 11)   (meta.number) (NUMBER)
pm_pmRa	-3.18	mas/yr	[-6121/5519] Proper motion along Right Ascension (pm_pmRa) (Note 11)   (pos.pm;pos.eq.ra) (POS_EQ_PMRA)
pm_pmDec	-2.64	mas/yr	[-4846/4437] Proper motion along Declination (pm_pmDec) (Note 11)   (pos.pm;pos.eq.dec) (POS_EQ_PMDEC)
pm_pmRaErr	3.30	mas/yr	[0/4709] Mean error on pmRA (pm_pmRaErr) (Note 11)   (stat.error;pos.pm;pos.eq.ra) (ERROR)
pm_pmDecErr	3.30	mas/yr	[0/4709] Mean error on pmDE (pm_pmDecErr) (Note 11)   (stat.error;pos.pm;pos.eq.dec) (ERROR)
pm_sigRa	124.03	mas	[0/8662] RMS residual of proper motion fit in RA (pm_sigRa) (Note 11)   (stat.fit.residual) (FIT_RESIDUAL)
pm_sigDec	198.65	mas	[0/10625] RMS residual of proper motion fit in Dec (pm_sigDec) (Note 11)   (stat.fit.residual) (FIT_RESIDUAL)
pm_nFit	5		[0/6] Number of detections used in the pm fit including SDSS (pm_nFit) (Note 11)   (meta.number) (NUMBER)
pm_O	18.8		[-214740/70189] Magnitude from USNO-B O plate recalibrated to SDSS g (pm_O) (Note 11)   (phot.mag;em.opt.B) (PHOT_PHG_B)
pm_E	19.0		Magnitude from E plate recalibrated to SDSS r (pm_E) (Note 11)   (phot.mag;em.opt.R) (PHOT_PHG_R)
pm_J	19.2		Magnitude from J plate recalibrated to SDSS g (pm_J) (Note 11)   (phot.mag;em.opt.B) (PHOT_PHG_B)
pm_F	19.0		Magnitude from F plate recalibrated to SDSS r (pm_F) (Note 11)   (phot.mag;em.opt.R) (PHOT_PHG_R)
pm_N	0.0		Magnitude from N plate recalibrated to SDSS i (pm_N) (Note 11)   (phot.mag;em.opt.I) (PHOT_PHG_I)
photoz_z			(i) [5e-4/1] Photometric redshift estimated by robust fit to nearest neighbors in a reference set (photoz_z) (Note 12)   (src.redshift) (REDSHIFT_PHOT)
photoz_zErr			[0.003/0.3] Estimated error of the photometric redshift (photoz_zErr) (Note 12)   (stat.error) (ERROR)
photoz_nnAvgZ			[0.009/0.9] Average redshift of the nearest neighbors; if significantly different from zph this might be a better estimate than zph (photoz_nnAvgZ) (Note 12)   (src.redshift.phot) (REDSHIFT_PHOT)
photoz_chisq			[2e-12/6.3e7] Chi-square value for the minimum chi-square template fit (photoz_chisq) (Note 12)   (stat.value) (FIT_CHI2)
field_quality	3		[1/3] Quality of the observation: 1=bad; 2=barely acceptable; 3=good (field_quality) (Note 13)   (meta.code.qual;obs.param;obs) (CODE_QUALITY)
field_mjd_u	52196.3381	d	Date of observation in u band (field_mjd_u) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_g	52196.3398	d	Date of observation in g band (field_mjd_g) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_r	52196.3365	d	Date of observation in r band (field_mjd_r) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_i	52196.3373	d	Date of observation in i band (field_mjd_i) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_z	52196.3390	d	Date of observation in z band (field_mjd_z) (Note 13)   (time.epoch) (TIME_DATE)
SDSS16	SDSS J002716.16-000240.3		(i) SDSS-DR16 name based on J2000 position; provided by CDS (meta.id) (ID_ALTERNATIVE)
SDSS-ID	2650-301-3-0022-0099		(i) SDSS object identifier (run-rerun-camcol-field-object) (Note 1)   (meta.id) (ID_ALTERNATIVE)
Sp-ID			(i) Spectroscopic Plate-MJD-Fiber identifier (plate-mjd-fiberID) (meta.id) (ID_ALTERNATIVE)
MJD	52196.3381	d	Mean observation date (average calculated by CDS from the uMJD, gMJD, rMJD, iMJD, zMJD) (time.epoch) (TIME_DATE)

Column	Value		Explain   (UCD)
_r	0.067	arcsec	Distance from center (006.817346-00.044534)[ICRS], at Epoch of catalog (MJD) (pos.angDistance) (POS_ANG_DIST_GENERAL)
_RAJ2000	00 27 16.16742	"h:m:s"	Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra) (POS_EQ_RA)
_DEJ2000	-00 02 40.3122	"d:m:s"	Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_RAB1950	00 24 42.43034	"h:m:s"	Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra) (POS_EQ_RA)
_DEB1950	-00 19 16.1583	"d:m:s"	Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_Glon	109.84402375	deg	Galactic longitude at Epoch=J0. (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lon) (POS_GAL_LON)
_Glat	-62.30055611	deg	Galactic latitude at Epoch=J0. (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lat) (POS_GAL_LAT)
objID	1237657104988897426		(i) SDSS unique object identifier (1) (links to online SDSS-DR16 data) (Note)   (meta.id;meta.main) (ID_MAIN)
ra	006.817364	deg	(i) Right Ascension of the object (ICRS) at Epoch="MJD" (ra) (pos.eq.ra;meta.main) (POS_EQ_RA_MAIN)
dec	-00.044531	deg	(i) Declination of the object (ICRS) at Epoch="MJD" (dec) (pos.eq.dec;meta.main) (POS_EQ_DEC_MAIN)
fieldID	1237657104988897280		The field this object is in (meta.note) (ID_FIELD)
mode	3		[1/4] PhotoMode (1=primary, 2=secondary, 3=family, 4=outside) (meta.code.class) (CLASS_CODE)
type	6		[0/8] Type of object (3=galaxy, 6=star) (type) (Note 2)   (src.class) (CLASS_OBJECT)
clean	0		[0/1] Clean photometry flag (1=clean; 0=unclean) (meta.code) (CODE_MISC)
flags	439873639154250		Photo Object Attribute flags (Note 3)   (meta.code.error) (CODE_MISC)
psfMag_u	20.079	mag	(i) [4/35] PSF magnitude in u band (psfMag_u) (Note 4)   (phot.mag;em.opt.U) (PHOT_SDSS_U)
psfMag_g	19.138	mag	[3.7/37] PSF magnitude in g band (psfMag_g) (Note 4)   (phot.mag;em.opt.B) (PHOT_SDSS_G)
psfMag_r	19.016	mag	[3.8/36] PSF magnitude in r band (psfMag_r) (Note 4)   (phot.mag;em.opt.R) (PHOT_SDSS_R)
psfMag_i	18.980	mag	[2.6/34] PSF magnitude in i band (psfMag_i) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_I)
psfMag_z	19.044	mag	[3.8/33.3] PSF magnitude in z band (psfMag_z) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_Z)
psfMagErr_u	0.037	mag	[1.5e-5/100] Mean error on upmag (psfMagErr_u) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_g	0.019	mag	Mean error on gpmag (psfMagErr_g) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_r	0.017	mag	Mean error on rpmag (psfMagErr_r) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_i	0.026	mag	Mean error on ipmag (psfMagErr_i) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_z	0.049	mag	Mean error on zpmag (psfMagErr_z) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMag_u	20.127	mag	[-0.4/47.2] Petrosian magnitude in u band (petroMag_u) (Note 4)   (phot.mag;em.opt.U) (PHOT_SDSS_U)
petroMag_g	19.166	mag	[3.7/48] Petrosian magnitude in g band (petroMag_g) (Note 4)   (phot.mag;em.opt.B) (PHOT_SDSS_G)
petroMag_r	19.081	mag	[1.3/48.6] Petrosian magnitude in r band (petroMag_r) (Note 4)   (phot.mag;em.opt.R) (PHOT_SDSS_R)
petroMag_i	19.007	mag	[2.6/48.4] Petrosian magnitude in i band (petroMag_i) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_I)
petroMag_z	19.143	mag	[-2.9/45.1] Petrosian magnitude in z band (petroMag_z) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_Z)
petroMagErr_u	0.053	mag	[1e-7/100] Mean error in uPmag (petroMagErr_u) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_g	0.011	mag	[9.1e-9/100] Mean error in gPmag (petroMagErr_g) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_r	0.016	mag	Mean error in rPmag (petroMagErr_r) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_i	0.022	mag	Mean error in iPmag (petroMagErr_i) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_z	0.098	mag	Mean error in zPmag (petroMagErr_z) (Note 4)   (stat.error;phot.mag) (ERROR)
petroRad_u	5.415	arcsec	[1.2e-6/261] Petrosian radius in u band (petroRad_u) (phys.angSize;src) (EXTENSION_RAD)
petroRad_g	1.284	arcsec	[2.3e-6/261] Petrosian radius in g band (petroRad_g) (phys.angSize;src) (EXTENSION_RAD)
petroRad_r	1.130	arcsec	[4.9e-6/260] Petrosian radius in r band (petroRad_r) (phys.angSize;src) (EXTENSION_RAD)
petroRad_i	1.109	arcsec	[2.2e-6/263] Petrosian radius in i band (petroRad_i) (phys.angSize;src) (EXTENSION_RAD)
petroRad_z	1.031	arcsec	[8.3e-7/261] Petrosian radius in z band (petroRad_z) (phys.angSize;src) (EXTENSION_RAD)
petroRadErr_u	0.676	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_u) (stat.error) (ERROR)
petroRadErr_g	0.018	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_g) (stat.error) (ERROR)
petroRadErr_r	0.024	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_r) (stat.error) (ERROR)
petroRadErr_i	2.770	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_i) (stat.error) (ERROR)
petroRadErr_z	0.641	arcsec	[-1000/257] Mean error in rPrad (petroRadErr_z) (stat.error) (ERROR)
deVRad_u	0.126	arcsec	[0/257] De Vaucouleurs fit radius u band (deVRad_u) (phys.angSize;src) (EXTENSION_RAD)
deVRad_g	0.048	arcsec	[0/238] De Vaucouleurs fit radius g band (deVRad_g) (phys.angSize;src) (EXTENSION_RAD)
deVRad_r	0.023	arcsec	[0/238] De Vaucouleurs fit radius r band (deVRad_r) (phys.angSize;src) (EXTENSION_RAD)
deVRad_i	0.097	arcsec	[0/232] De Vaucouleurs fit radius i band (deVRad_i) (phys.angSize;src) (EXTENSION_RAD)
deVRad_z	0.035	arcsec	[0/238] De Vaucouleurs fit radius z band (deVRad_z) (phys.angSize;src) (EXTENSION_RAD)
deVAB_u	0.150		[0.05/1] De Vaucouleurs fit b/a u band (deVAB_u) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_g	0.983		[0.05/1] De Vaucouleurs fit b/a g band (deVAB_g) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_r	0.650		[0.05/1] De Vaucouleurs fit b/a r band (deVAB_r) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_i	0.184		[0.05/1] De Vaucouleurs fit b/a i band (deVAB_i) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_z	0.219		[0.05/1] De Vaucouleurs fit b/a z band (deVAB_z) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVPhi_u	138.3	deg	[-10105/271] Position angle of dVrad in u band (deVPhi_u) (pos.posAng) (POS_POS-ANG)
deVPhi_g	40.6	deg	[-10105/271] Position angle of dVrad in g band (deVPhi_g) (pos.posAng) (POS_POS-ANG)
deVPhi_r	103.3	deg	[-10105/271] Position angle of dVrad in r band (deVPhi_r) (pos.posAng) (POS_POS-ANG)
deVPhi_i	13.8	deg	[-10105/271] Position angle of dVrad in i band (deVPhi_i) (pos.posAng) (POS_POS-ANG)
deVPhi_z	107.8	deg	[-10105/271] Position angle of dVrad in z band (deVPhi_z) (pos.posAng) (POS_POS-ANG)
flags_u	275154764288		Detection flags u band (flags_u) (Note 3)   (meta.code) (CODE_MISC)
flags_g	275146375170		Detection flags g band (flags_g) (Note 3)   (meta.code) (CODE_MISC)
flags_r	4503874773876738		Detection flags r band (flags_r) (Note 3)   (meta.code) (CODE_MISC)
flags_i	158604971900930		Detection flags i band (flags_i) (Note 3)   (meta.code) (CODE_MISC)
flags_z	275297337344		Detection flags z band (flags_z) (Note 3)   (meta.code) (CODE_MISC)
type_u	6		[0/8] Phototype in u band (6=Star ; 3=galaxy) (type_u) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_g	6		[0/8] Phototype in i band (6=Star ; 3=galaxy) (type_g) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_r	6		[0/8] Phototype in r band (6=Star ; 3=galaxy) (type_r) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_i	6		[0/8] Phototype in i band (6=Star ; 3=galaxy) (type_i) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_z	6		[0/8] Phototype in z band (6=Star ; 3=galaxy) (type_z) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_u	1.0		[0/1] 0=notStar 1=Star in u band (probPSF_u) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_g	1.0		[0/1] 0=notStar 1=Star in g band (probPSF_g) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_r	1.0		[0/1] 0=notStar 1=Star in r band (probPSF_r) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_i	1.0		[0/1] 0=notStar 1=Star in i band (probPSF_i) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_z	1.0		[0/1] 0=notStar 1=Star in z band (probPSF_z) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
raErr	0.005	arcsec	[0/51703] Mean error on RAdeg (raErr) (stat.error;pos.eq.ra) (ERROR)
decErr	0.005	arcsec	[0/22795] Mean error on DEdeg (decErr) (stat.error;pos.eq.dec) (ERROR)
offsetRa_u	0.02	arcsec	Offset of u position along RA (offsetRa_u) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_g	0.02	arcsec	Offset of g position along RA (offsetRa_g) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_r	0.00	arcsec	Offset of r position along RA (offsetRa_r) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_i	0.03	arcsec	Offset of i position along RA (offsetRa_i) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_z	0.07	arcsec	Offset of z position along RA (offsetRa_z) (pos.angDistance) (POS_EQ_RA_OFF)
offsetDec_u	0.04	arcsec	Offset of u position along Dec (offsetDec_u) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_g	0.02	arcsec	Offset of g position along Dec (offsetDec_g) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_r	0.00	arcsec	Offset of r position along Dec (offsetDec_r) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_i	0.04	arcsec	Offset of i position along Dec (offsetDec_i) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_z	-0.03	arcsec	Offset of z position along Dec (offsetDec_z) (pos.angDistance) (POS_EQ_DEC_OFF)
parentID	0		Pointer to parent (if object deblended) (meta.id.parent) (ID_PARENT)
specObjID	0		(i) Pointer to the spectrum of object or 0 (specObjID) (Note 6)   (meta.id) (ID_ALTERNATIVE)
u	20.096	mag	(i) [4/37.3] Model magnitude in u filter AB scale (u) (Note 7)   (phot.mag;em.opt.U) (PHOT_SDSS_U)
g	19.130	mag	(i) [3.7/39.6] Model magnitude in g filter AB scale (g) (Note 7)   (phot.mag;em.opt.B) (PHOT_SDSS_G)
r	19.011	mag	(i) [3.8/40.4] Model magnitude in r filter AB scale (r) (Note 7)   (phot.mag;em.opt.R) (PHOT_SDSS_R)
i	18.958	mag	(i) [2.6/39.5] Model magnitude in i filter AB scale (i) (Note 7)   (phot.mag;em.opt.I) (PHOT_SDSS_I)
z	19.033	mag	(i) [3.5/37.2] Model magnitude in z filter AB scale (z) (Note 7)   (phot.mag;em.opt.I) (PHOT_SDSS_Z)
err_u	0.040	mag	[8.9e-8/3444] Mean error on umag (err_u) (stat.error;phot.mag) (ERROR)
err_g	0.010	mag	[3.8e-8/5955] Mean error on gmag (err_g) (stat.error;phot.mag) (ERROR)
err_r	0.011	mag	[5.2e-8/915] Mean error on rmag (err_r) (stat.error;phot.mag) (ERROR)
err_i	0.014	mag	[0/634] Mean error on imag (err_i) (stat.error;phot.mag) (ERROR)
err_z	0.050	mag	[9.4e-8/3529] Mean error on zmag (err_z) (stat.error;phot.mag) (ERROR)
resolveStatus	8		[0/4145] Decimal status (resolveStatus) (Note 5)   (meta.code) (CODE_MISC)
spec_instrument			Spectral instrument used ("SDSS" or "BOSS") (spec_instrument) (Note 6)   (meta.id;instr) (INST_ID)
spec_sourceType			Source type (spec_sourceType) (6) (Note 8)   (src.class) (CLASS_OBJECT)
spec_z			(i) [-0.012/7.06] Spectroscopic final redshift (when SpObjID>0) (spec_z) (Note 6)   (src.redshift) (REDSHIFT_HC)
spec_zErr			[-6/30689] Mean error on zsp (negative for bad fit) (spec_zErr) (Note 6)   (stat.error) (ERROR)
spec_zWarning			[0/902] Zwarning flag (spec_zWarning) (6) (Note 9)   (meta.code) (CODE_MISC)
spec_class			Spectroscopic class: "GALAXY"; "QSO"; "STAR" (spec_class) (Note 6)   (meta.code.class;pos.parallax.spect) (CLASS_STAR/GALAXY)
spec_subClass			Spectroscopic subclass (spec_subClass) (6) (Note 10)   (src.class) (CLASS_OBJECT)
spec_velDisp		km/s	[0/850] Velocity dispersion (spec_velDisp) (Note 6)   (phys.veloc.dispersion) (VELOC_DISP)
spec_velDispErr		km/s	[-7/4526] Mean error on Vdisp (spec_velDispErr) (Note 6)   (stat.error) (ERROR)
spec_snMedian			[-1927/132] Median signal-to-noise over all good pixels (spec_snMedian) (Note 6)   (em.wl.central;stat.median) (INST_S/N)
pm_match			[0/4] Number of USNO-B objects matched within 1arcsec (pm_match) (Note 11)   (meta.number) (NUMBER)
pm_pmRa		mas/yr	[-6121/5519] Proper motion along Right Ascension (pm_pmRa) (Note 11)   (pos.pm;pos.eq.ra) (POS_EQ_PMRA)
pm_pmDec		mas/yr	[-4846/4437] Proper motion along Declination (pm_pmDec) (Note 11)   (pos.pm;pos.eq.dec) (POS_EQ_PMDEC)
pm_pmRaErr		mas/yr	[0/4709] Mean error on pmRA (pm_pmRaErr) (Note 11)   (stat.error;pos.pm;pos.eq.ra) (ERROR)
pm_pmDecErr		mas/yr	[0/4709] Mean error on pmDE (pm_pmDecErr) (Note 11)   (stat.error;pos.pm;pos.eq.dec) (ERROR)
pm_sigRa		mas	[0/8662] RMS residual of proper motion fit in RA (pm_sigRa) (Note 11)   (stat.fit.residual) (FIT_RESIDUAL)
pm_sigDec		mas	[0/10625] RMS residual of proper motion fit in Dec (pm_sigDec) (Note 11)   (stat.fit.residual) (FIT_RESIDUAL)
pm_nFit			[0/6] Number of detections used in the pm fit including SDSS (pm_nFit) (Note 11)   (meta.number) (NUMBER)
pm_O			[-214740/70189] Magnitude from USNO-B O plate recalibrated to SDSS g (pm_O) (Note 11)   (phot.mag;em.opt.B) (PHOT_PHG_B)
pm_E			Magnitude from E plate recalibrated to SDSS r (pm_E) (Note 11)   (phot.mag;em.opt.R) (PHOT_PHG_R)
pm_J			Magnitude from J plate recalibrated to SDSS g (pm_J) (Note 11)   (phot.mag;em.opt.B) (PHOT_PHG_B)
pm_F			Magnitude from F plate recalibrated to SDSS r (pm_F) (Note 11)   (phot.mag;em.opt.R) (PHOT_PHG_R)
pm_N			Magnitude from N plate recalibrated to SDSS i (pm_N) (Note 11)   (phot.mag;em.opt.I) (PHOT_PHG_I)
photoz_z			(i) [5e-4/1] Photometric redshift estimated by robust fit to nearest neighbors in a reference set (photoz_z) (Note 12)   (src.redshift) (REDSHIFT_PHOT)
photoz_zErr			[0.003/0.3] Estimated error of the photometric redshift (photoz_zErr) (Note 12)   (stat.error) (ERROR)
photoz_nnAvgZ			[0.009/0.9] Average redshift of the nearest neighbors; if significantly different from zph this might be a better estimate than zph (photoz_nnAvgZ) (Note 12)   (src.redshift.phot) (REDSHIFT_PHOT)
photoz_chisq			[2e-12/6.3e7] Chi-square value for the minimum chi-square template fit (photoz_chisq) (Note 12)   (stat.value) (FIT_CHI2)
field_quality	3		[1/3] Quality of the observation: 1=bad; 2=barely acceptable; 3=good (field_quality) (Note 13)   (meta.code.qual;obs.param;obs) (CODE_QUALITY)
field_mjd_u	52225.1827	d	Date of observation in u band (field_mjd_u) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_g	52225.1843	d	Date of observation in g band (field_mjd_g) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_r	52225.1810	d	Date of observation in r band (field_mjd_r) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_i	52225.1818	d	Date of observation in i band (field_mjd_i) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_z	52225.1835	d	Date of observation in z band (field_mjd_z) (Note 13)   (time.epoch) (TIME_DATE)
SDSS16	SDSS J002716.16-000240.3		(i) SDSS-DR16 name based on J2000 position; provided by CDS (meta.id) (ID_ALTERNATIVE)
SDSS-ID	2708-301-3-0154-0146		(i) SDSS object identifier (run-rerun-camcol-field-object) (Note 1)   (meta.id) (ID_ALTERNATIVE)
Sp-ID			(i) Spectroscopic Plate-MJD-Fiber identifier (plate-mjd-fiberID) (meta.id) (ID_ALTERNATIVE)
MJD	52225.1827	d	Mean observation date (average calculated by CDS from the uMJD, gMJD, rMJD, iMJD, zMJD) (time.epoch) (TIME_DATE)

Column	Value		Explain   (UCD)
_r	0.068	arcsec	Distance from center (006.817346-00.044534)[ICRS], at Epoch of catalog (MJD) (pos.angDistance) (POS_ANG_DIST_GENERAL)
_RAJ2000	00 27 16.16754	"h:m:s"	Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra) (POS_EQ_RA)
_DEJ2000	-00 02 40.3207	"d:m:s"	Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_RAB1950	00 24 42.43046	"h:m:s"	Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra) (POS_EQ_RA)
_DEB1950	-00 19 16.1668	"d:m:s"	Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_Glon	109.84402380	deg	Galactic longitude at Epoch=J0. (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lon) (POS_GAL_LON)
_Glat	-62.30055853	deg	Galactic latitude at Epoch=J0. (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lat) (POS_GAL_LAT)
objID	1237663203843440740		(i) SDSS unique object identifier (1) (links to online SDSS-DR16 data) (Note)   (meta.id;meta.main) (ID_MAIN)
ra	006.817365	deg	(i) Right Ascension of the object (ICRS) at Epoch="MJD" (ra) (pos.eq.ra;meta.main) (POS_EQ_RA_MAIN)
dec	-00.044534	deg	(i) Declination of the object (ICRS) at Epoch="MJD" (dec) (pos.eq.dec;meta.main) (POS_EQ_DEC_MAIN)
fieldID	1237663203843440640		The field this object is in (meta.note) (ID_FIELD)
mode	3		[1/4] PhotoMode (1=primary, 2=secondary, 3=family, 4=outside) (meta.code.class) (CLASS_CODE)
type	6		[0/8] Type of object (3=galaxy, 6=star) (type) (Note 2)   (src.class) (CLASS_OBJECT)
clean	0		[0/1] Clean photometry flag (1=clean; 0=unclean) (meta.code) (CODE_MISC)
flags	68987912706		Photo Object Attribute flags (Note 3)   (meta.code.error) (CODE_MISC)
psfMag_u	20.104	mag	(i) [4/35] PSF magnitude in u band (psfMag_u) (Note 4)   (phot.mag;em.opt.U) (PHOT_SDSS_U)
psfMag_g	19.134	mag	[3.7/37] PSF magnitude in g band (psfMag_g) (Note 4)   (phot.mag;em.opt.B) (PHOT_SDSS_G)
psfMag_r	19.008	mag	[3.8/36] PSF magnitude in r band (psfMag_r) (Note 4)   (phot.mag;em.opt.R) (PHOT_SDSS_R)
psfMag_i	18.985	mag	[2.6/34] PSF magnitude in i band (psfMag_i) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_I)
psfMag_z	18.976	mag	[3.8/33.3] PSF magnitude in z band (psfMag_z) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_Z)
psfMagErr_u	0.043	mag	[1.5e-5/100] Mean error on upmag (psfMagErr_u) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_g	0.017	mag	Mean error on gpmag (psfMagErr_g) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_r	0.013	mag	Mean error on rpmag (psfMagErr_r) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_i	0.019	mag	Mean error on ipmag (psfMagErr_i) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_z	0.048	mag	Mean error on zpmag (psfMagErr_z) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMag_u	19.292	mag	[-0.4/47.2] Petrosian magnitude in u band (petroMag_u) (Note 4)   (phot.mag;em.opt.U) (PHOT_SDSS_U)
petroMag_g	19.022	mag	[3.7/48] Petrosian magnitude in g band (petroMag_g) (Note 4)   (phot.mag;em.opt.B) (PHOT_SDSS_G)
petroMag_r	18.146	mag	[1.3/48.6] Petrosian magnitude in r band (petroMag_r) (Note 4)   (phot.mag;em.opt.R) (PHOT_SDSS_R)
petroMag_i	18.171	mag	[2.6/48.4] Petrosian magnitude in i band (petroMag_i) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_I)
petroMag_z	18.698	mag	[-2.9/45.1] Petrosian magnitude in z band (petroMag_z) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_Z)
petroMagErr_u	0.183	mag	[1e-7/100] Mean error in uPmag (petroMagErr_u) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_g	0.089	mag	[9.1e-9/100] Mean error in gPmag (petroMagErr_g) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_r	0.223	mag	Mean error in rPmag (petroMagErr_r) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_i	0.187	mag	Mean error in iPmag (petroMagErr_i) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_z	0.579	mag	Mean error in zPmag (petroMagErr_z) (Note 4)   (stat.error;phot.mag) (ERROR)
petroRad_u	8.596	arcsec	[1.2e-6/261] Petrosian radius in u band (petroRad_u) (phys.angSize;src) (EXTENSION_RAD)
petroRad_g	1.429	arcsec	[2.3e-6/261] Petrosian radius in g band (petroRad_g) (phys.angSize;src) (EXTENSION_RAD)
petroRad_r	8.258	arcsec	[4.9e-6/260] Petrosian radius in r band (petroRad_r) (phys.angSize;src) (EXTENSION_RAD)
petroRad_i	7.225	arcsec	[2.2e-6/263] Petrosian radius in i band (petroRad_i) (phys.angSize;src) (EXTENSION_RAD)
petroRad_z	4.009	arcsec	[8.3e-7/261] Petrosian radius in z band (petroRad_z) (phys.angSize;src) (EXTENSION_RAD)
petroRadErr_u	0.169	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_u) (stat.error) (ERROR)
petroRadErr_g	0.024	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_g) (stat.error) (ERROR)
petroRadErr_r	1.220	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_r) (stat.error) (ERROR)
petroRadErr_i	1.348	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_i) (stat.error) (ERROR)
petroRadErr_z	0.479	arcsec	[-1000/257] Mean error in rPrad (petroRadErr_z) (stat.error) (ERROR)
deVRad_u	0.208	arcsec	[0/257] De Vaucouleurs fit radius u band (deVRad_u) (phys.angSize;src) (EXTENSION_RAD)
deVRad_g	0.109	arcsec	[0/238] De Vaucouleurs fit radius g band (deVRad_g) (phys.angSize;src) (EXTENSION_RAD)
deVRad_r	0.026	arcsec	[0/238] De Vaucouleurs fit radius r band (deVRad_r) (phys.angSize;src) (EXTENSION_RAD)
deVRad_i	0.000	arcsec	[0/232] De Vaucouleurs fit radius i band (deVRad_i) (phys.angSize;src) (EXTENSION_RAD)
deVRad_z	0.104	arcsec	[0/238] De Vaucouleurs fit radius z band (deVRad_z) (phys.angSize;src) (EXTENSION_RAD)
deVAB_u	0.558		[0.05/1] De Vaucouleurs fit b/a u band (deVAB_u) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_g	0.300		[0.05/1] De Vaucouleurs fit b/a g band (deVAB_g) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_r	0.400		[0.05/1] De Vaucouleurs fit b/a r band (deVAB_r) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_i	0.106		[0.05/1] De Vaucouleurs fit b/a i band (deVAB_i) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_z	0.181		[0.05/1] De Vaucouleurs fit b/a z band (deVAB_z) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVPhi_u	171.1	deg	[-10105/271] Position angle of dVrad in u band (deVPhi_u) (pos.posAng) (POS_POS-ANG)
deVPhi_g	43.7	deg	[-10105/271] Position angle of dVrad in g band (deVPhi_g) (pos.posAng) (POS_POS-ANG)
deVPhi_r	103.5	deg	[-10105/271] Position angle of dVrad in r band (deVPhi_r) (pos.posAng) (POS_POS-ANG)
deVPhi_i	69.0	deg	[-10105/271] Position angle of dVrad in i band (deVPhi_i) (pos.posAng) (POS_POS-ANG)
deVPhi_z	172.5	deg	[-10105/271] Position angle of dVrad in z band (deVPhi_z) (pos.posAng) (POS_POS-ANG)
flags_u	275297370624		Detection flags u band (flags_u) (Note 3)   (meta.code) (CODE_MISC)
flags_g	275163152386		Detection flags g band (flags_g) (Note 3)   (meta.code) (CODE_MISC)
flags_r	4503874924708354		Detection flags r band (flags_r) (Note 3)   (meta.code) (CODE_MISC)
flags_i	275305759234		Detection flags i band (flags_i) (Note 3)   (meta.code) (CODE_MISC)
flags_z	275297387008		Detection flags z band (flags_z) (Note 3)   (meta.code) (CODE_MISC)
type_u	6		[0/8] Phototype in u band (6=Star ; 3=galaxy) (type_u) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_g	6		[0/8] Phototype in i band (6=Star ; 3=galaxy) (type_g) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_r	6		[0/8] Phototype in r band (6=Star ; 3=galaxy) (type_r) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_i	6		[0/8] Phototype in i band (6=Star ; 3=galaxy) (type_i) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_z	6		[0/8] Phototype in z band (6=Star ; 3=galaxy) (type_z) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_u	1.0		[0/1] 0=notStar 1=Star in u band (probPSF_u) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_g	1.0		[0/1] 0=notStar 1=Star in g band (probPSF_g) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_r	1.0		[0/1] 0=notStar 1=Star in r band (probPSF_r) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_i	1.0		[0/1] 0=notStar 1=Star in i band (probPSF_i) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_z	1.0		[0/1] 0=notStar 1=Star in z band (probPSF_z) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
raErr	0.006	arcsec	[0/51703] Mean error on RAdeg (raErr) (stat.error;pos.eq.ra) (ERROR)
decErr	0.005	arcsec	[0/22795] Mean error on DEdeg (decErr) (stat.error;pos.eq.dec) (ERROR)
offsetRa_u	-0.01	arcsec	Offset of u position along RA (offsetRa_u) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_g	-0.00	arcsec	Offset of g position along RA (offsetRa_g) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_r	0.00	arcsec	Offset of r position along RA (offsetRa_r) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_i	0.01	arcsec	Offset of i position along RA (offsetRa_i) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_z	-0.04	arcsec	Offset of z position along RA (offsetRa_z) (pos.angDistance) (POS_EQ_RA_OFF)
offsetDec_u	-0.05	arcsec	Offset of u position along Dec (offsetDec_u) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_g	-0.02	arcsec	Offset of g position along Dec (offsetDec_g) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_r	0.00	arcsec	Offset of r position along Dec (offsetDec_r) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_i	-0.06	arcsec	Offset of i position along Dec (offsetDec_i) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_z	0.01	arcsec	Offset of z position along Dec (offsetDec_z) (pos.angDistance) (POS_EQ_DEC_OFF)
parentID	0		Pointer to parent (if object deblended) (meta.id.parent) (ID_PARENT)
specObjID	0		(i) Pointer to the spectrum of object or 0 (specObjID) (Note 6)   (meta.id) (ID_ALTERNATIVE)
u	20.057	mag	(i) [4/37.3] Model magnitude in u filter AB scale (u) (Note 7)   (phot.mag;em.opt.U) (PHOT_SDSS_U)
g	19.118	mag	(i) [3.7/39.6] Model magnitude in g filter AB scale (g) (Note 7)   (phot.mag;em.opt.B) (PHOT_SDSS_G)
r	19.008	mag	(i) [3.8/40.4] Model magnitude in r filter AB scale (r) (Note 7)   (phot.mag;em.opt.R) (PHOT_SDSS_R)
i	18.989	mag	(i) [2.6/39.5] Model magnitude in i filter AB scale (i) (Note 7)   (phot.mag;em.opt.I) (PHOT_SDSS_I)
z	18.940	mag	(i) [3.5/37.2] Model magnitude in z filter AB scale (z) (Note 7)   (phot.mag;em.opt.I) (PHOT_SDSS_Z)
err_u	0.042	mag	[8.9e-8/3444] Mean error on umag (err_u) (stat.error;phot.mag) (ERROR)
err_g	0.010	mag	[3.8e-8/5955] Mean error on gmag (err_g) (stat.error;phot.mag) (ERROR)
err_r	0.011	mag	[5.2e-8/915] Mean error on rmag (err_r) (stat.error;phot.mag) (ERROR)
err_i	0.014	mag	[0/634] Mean error on imag (err_i) (stat.error;phot.mag) (ERROR)
err_z	0.049	mag	[9.4e-8/3529] Mean error on zmag (err_z) (stat.error;phot.mag) (ERROR)
resolveStatus	8		[0/4145] Decimal status (resolveStatus) (Note 5)   (meta.code) (CODE_MISC)
spec_instrument			Spectral instrument used ("SDSS" or "BOSS") (spec_instrument) (Note 6)   (meta.id;instr) (INST_ID)
spec_sourceType			Source type (spec_sourceType) (6) (Note 8)   (src.class) (CLASS_OBJECT)
spec_z			(i) [-0.012/7.06] Spectroscopic final redshift (when SpObjID>0) (spec_z) (Note 6)   (src.redshift) (REDSHIFT_HC)
spec_zErr			[-6/30689] Mean error on zsp (negative for bad fit) (spec_zErr) (Note 6)   (stat.error) (ERROR)
spec_zWarning			[0/902] Zwarning flag (spec_zWarning) (6) (Note 9)   (meta.code) (CODE_MISC)
spec_class			Spectroscopic class: "GALAXY"; "QSO"; "STAR" (spec_class) (Note 6)   (meta.code.class;pos.parallax.spect) (CLASS_STAR/GALAXY)
spec_subClass			Spectroscopic subclass (spec_subClass) (6) (Note 10)   (src.class) (CLASS_OBJECT)
spec_velDisp		km/s	[0/850] Velocity dispersion (spec_velDisp) (Note 6)   (phys.veloc.dispersion) (VELOC_DISP)
spec_velDispErr		km/s	[-7/4526] Mean error on Vdisp (spec_velDispErr) (Note 6)   (stat.error) (ERROR)
spec_snMedian			[-1927/132] Median signal-to-noise over all good pixels (spec_snMedian) (Note 6)   (em.wl.central;stat.median) (INST_S/N)
pm_match			[0/4] Number of USNO-B objects matched within 1arcsec (pm_match) (Note 11)   (meta.number) (NUMBER)
pm_pmRa		mas/yr	[-6121/5519] Proper motion along Right Ascension (pm_pmRa) (Note 11)   (pos.pm;pos.eq.ra) (POS_EQ_PMRA)
pm_pmDec		mas/yr	[-4846/4437] Proper motion along Declination (pm_pmDec) (Note 11)   (pos.pm;pos.eq.dec) (POS_EQ_PMDEC)
pm_pmRaErr		mas/yr	[0/4709] Mean error on pmRA (pm_pmRaErr) (Note 11)   (stat.error;pos.pm;pos.eq.ra) (ERROR)
pm_pmDecErr		mas/yr	[0/4709] Mean error on pmDE (pm_pmDecErr) (Note 11)   (stat.error;pos.pm;pos.eq.dec) (ERROR)
pm_sigRa		mas	[0/8662] RMS residual of proper motion fit in RA (pm_sigRa) (Note 11)   (stat.fit.residual) (FIT_RESIDUAL)
pm_sigDec		mas	[0/10625] RMS residual of proper motion fit in Dec (pm_sigDec) (Note 11)   (stat.fit.residual) (FIT_RESIDUAL)
pm_nFit			[0/6] Number of detections used in the pm fit including SDSS (pm_nFit) (Note 11)   (meta.number) (NUMBER)
pm_O			[-214740/70189] Magnitude from USNO-B O plate recalibrated to SDSS g (pm_O) (Note 11)   (phot.mag;em.opt.B) (PHOT_PHG_B)
pm_E			Magnitude from E plate recalibrated to SDSS r (pm_E) (Note 11)   (phot.mag;em.opt.R) (PHOT_PHG_R)
pm_J			Magnitude from J plate recalibrated to SDSS g (pm_J) (Note 11)   (phot.mag;em.opt.B) (PHOT_PHG_B)
pm_F			Magnitude from F plate recalibrated to SDSS r (pm_F) (Note 11)   (phot.mag;em.opt.R) (PHOT_PHG_R)
pm_N			Magnitude from N plate recalibrated to SDSS i (pm_N) (Note 11)   (phot.mag;em.opt.I) (PHOT_PHG_I)
photoz_z			(i) [5e-4/1] Photometric redshift estimated by robust fit to nearest neighbors in a reference set (photoz_z) (Note 12)   (src.redshift) (REDSHIFT_PHOT)
photoz_zErr			[0.003/0.3] Estimated error of the photometric redshift (photoz_zErr) (Note 12)   (stat.error) (ERROR)
photoz_nnAvgZ			[0.009/0.9] Average redshift of the nearest neighbors; if significantly different from zph this might be a better estimate than zph (photoz_nnAvgZ) (Note 12)   (src.redshift.phot) (REDSHIFT_PHOT)
photoz_chisq			[2e-12/6.3e7] Chi-square value for the minimum chi-square template fit (photoz_chisq) (Note 12)   (stat.value) (FIT_CHI2)
field_quality	3		[1/3] Quality of the observation: 1=bad; 2=barely acceptable; 3=good (field_quality) (Note 13)   (meta.code.qual;obs.param;obs) (CODE_QUALITY)
field_mjd_u	52908.3012	d	Date of observation in u band (field_mjd_u) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_g	52908.3028	d	Date of observation in g band (field_mjd_g) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_r	52908.2995	d	Date of observation in r band (field_mjd_r) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_i	52908.3003	d	Date of observation in i band (field_mjd_i) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_z	52908.3020	d	Date of observation in z band (field_mjd_z) (Note 13)   (time.epoch) (TIME_DATE)
SDSS16	SDSS J002716.16-000240.3		(i) SDSS-DR16 name based on J2000 position; provided by CDS (meta.id) (ID_ALTERNATIVE)
SDSS-ID	4128-301-3-0169-0100		(i) SDSS object identifier (run-rerun-camcol-field-object) (Note 1)   (meta.id) (ID_ALTERNATIVE)
Sp-ID			(i) Spectroscopic Plate-MJD-Fiber identifier (plate-mjd-fiberID) (meta.id) (ID_ALTERNATIVE)
MJD	52908.3012	d	Mean observation date (average calculated by CDS from the uMJD, gMJD, rMJD, iMJD, zMJD) (time.epoch) (TIME_DATE)

Column	Value		Explain   (UCD)
_r	0.068	arcsec	Distance from center (006.817346-00.044534)[ICRS], at Epoch of catalog (MJD) (pos.angDistance) (POS_ANG_DIST_GENERAL)
_RAJ2000	00 27 16.16773	"h:m:s"	Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra) (POS_EQ_RA)
_DEJ2000	-00 02 40.3377	"d:m:s"	Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_RAB1950	00 24 42.43847	"h:m:s"	Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra) (POS_EQ_RA)
_DEB1950	-00 19 15.9968	"d:m:s"	Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_Glon	109.84401466	deg	Galactic longitude at Epoch=J0. (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lon) (POS_GAL_LON)
_Glat	-62.30056753	deg	Galactic latitude at Epoch=J0. (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lat) (POS_GAL_LAT)
objID	1237666382124744906		(i) SDSS unique object identifier (1) (links to online SDSS-DR16 data) (Note)   (meta.id;meta.main) (ID_MAIN)
ra	006.817362	deg	(i) Right Ascension of the object (ICRS) at Epoch="MJD" (ra) (pos.eq.ra;meta.main) (POS_EQ_RA_MAIN)
dec	-00.044543	deg	(i) Declination of the object (ICRS) at Epoch="MJD" (dec) (pos.eq.dec;meta.main) (POS_EQ_DEC_MAIN)
fieldID	1237666382124744704		The field this object is in (meta.note) (ID_FIELD)
mode	2		[1/4] PhotoMode (1=primary, 2=secondary, 3=family, 4=outside) (meta.code.class) (CLASS_CODE)
type	6		[0/8] Type of object (3=galaxy, 6=star) (type) (Note 2)   (src.class) (CLASS_OBJECT)
clean	0		[0/1] Clean photometry flag (1=clean; 0=unclean) (meta.code) (CODE_MISC)
flags	68987912192		Photo Object Attribute flags (Note 3)   (meta.code.error) (CODE_MISC)
psfMag_u	19.961	mag	(i) [4/35] PSF magnitude in u band (psfMag_u) (Note 4)   (phot.mag;em.opt.U) (PHOT_SDSS_U)
psfMag_g	19.132	mag	[3.7/37] PSF magnitude in g band (psfMag_g) (Note 4)   (phot.mag;em.opt.B) (PHOT_SDSS_G)
psfMag_r	18.974	mag	[3.8/36] PSF magnitude in r band (psfMag_r) (Note 4)   (phot.mag;em.opt.R) (PHOT_SDSS_R)
psfMag_i	19.013	mag	[2.6/34] PSF magnitude in i band (psfMag_i) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_I)
psfMag_z	19.128	mag	[3.8/33.3] PSF magnitude in z band (psfMag_z) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_Z)
psfMagErr_u	0.049	mag	[1.5e-5/100] Mean error on upmag (psfMagErr_u) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_g	0.015	mag	Mean error on gpmag (psfMagErr_g) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_r	0.019	mag	Mean error on rpmag (psfMagErr_r) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_i	0.024	mag	Mean error on ipmag (psfMagErr_i) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_z	0.052	mag	Mean error on zpmag (psfMagErr_z) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMag_u	19.913	mag	[-0.4/47.2] Petrosian magnitude in u band (petroMag_u) (Note 4)   (phot.mag;em.opt.U) (PHOT_SDSS_U)
petroMag_g	19.165	mag	[3.7/48] Petrosian magnitude in g band (petroMag_g) (Note 4)   (phot.mag;em.opt.B) (PHOT_SDSS_G)
petroMag_r	19.060	mag	[1.3/48.6] Petrosian magnitude in r band (petroMag_r) (Note 4)   (phot.mag;em.opt.R) (PHOT_SDSS_R)
petroMag_i	19.089	mag	[2.6/48.4] Petrosian magnitude in i band (petroMag_i) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_I)
petroMag_z	19.062	mag	[-2.9/45.1] Petrosian magnitude in z band (petroMag_z) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_Z)
petroMagErr_u	0.074	mag	[1e-7/100] Mean error in uPmag (petroMagErr_u) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_g	0.016	mag	[9.1e-9/100] Mean error in gPmag (petroMagErr_g) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_r	0.023	mag	Mean error in rPmag (petroMagErr_r) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_i	0.029	mag	Mean error in iPmag (petroMagErr_i) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_z	0.105	mag	Mean error in zPmag (petroMagErr_z) (Note 4)   (stat.error;phot.mag) (ERROR)
petroRad_u	2.250	arcsec	[1.2e-6/261] Petrosian radius in u band (petroRad_u) (phys.angSize;src) (EXTENSION_RAD)
petroRad_g	1.707	arcsec	[2.3e-6/261] Petrosian radius in g band (petroRad_g) (phys.angSize;src) (EXTENSION_RAD)
petroRad_r	1.368	arcsec	[4.9e-6/260] Petrosian radius in r band (petroRad_r) (phys.angSize;src) (EXTENSION_RAD)
petroRad_i	1.429	arcsec	[2.2e-6/263] Petrosian radius in i band (petroRad_i) (phys.angSize;src) (EXTENSION_RAD)
petroRad_z	1.309	arcsec	[8.3e-7/261] Petrosian radius in z band (petroRad_z) (phys.angSize;src) (EXTENSION_RAD)
petroRadErr_u	0.501	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_u) (stat.error) (ERROR)
petroRadErr_g	0.039	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_g) (stat.error) (ERROR)
petroRadErr_r	0.044	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_r) (stat.error) (ERROR)
petroRadErr_i	0.071	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_i) (stat.error) (ERROR)
petroRadErr_z	0.547	arcsec	[-1000/257] Mean error in rPrad (petroRadErr_z) (stat.error) (ERROR)
deVRad_u	0.164	arcsec	[0/257] De Vaucouleurs fit radius u band (deVRad_u) (phys.angSize;src) (EXTENSION_RAD)
deVRad_g	0.124	arcsec	[0/238] De Vaucouleurs fit radius g band (deVRad_g) (phys.angSize;src) (EXTENSION_RAD)
deVRad_r	0.003	arcsec	[0/238] De Vaucouleurs fit radius r band (deVRad_r) (phys.angSize;src) (EXTENSION_RAD)
deVRad_i	0.019	arcsec	[0/232] De Vaucouleurs fit radius i band (deVRad_i) (phys.angSize;src) (EXTENSION_RAD)
deVRad_z	0.086	arcsec	[0/238] De Vaucouleurs fit radius z band (deVRad_z) (phys.angSize;src) (EXTENSION_RAD)
deVAB_u	0.063		[0.05/1] De Vaucouleurs fit b/a u band (deVAB_u) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_g	0.623		[0.05/1] De Vaucouleurs fit b/a g band (deVAB_g) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_r	0.440		[0.05/1] De Vaucouleurs fit b/a r band (deVAB_r) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_i	0.399		[0.05/1] De Vaucouleurs fit b/a i band (deVAB_i) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_z	0.998		[0.05/1] De Vaucouleurs fit b/a z band (deVAB_z) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVPhi_u	101.7	deg	[-10105/271] Position angle of dVrad in u band (deVPhi_u) (pos.posAng) (POS_POS-ANG)
deVPhi_g	71.1	deg	[-10105/271] Position angle of dVrad in g band (deVPhi_g) (pos.posAng) (POS_POS-ANG)
deVPhi_r	128.3	deg	[-10105/271] Position angle of dVrad in r band (deVPhi_r) (pos.posAng) (POS_POS-ANG)
deVPhi_i	75.2	deg	[-10105/271] Position angle of dVrad in i band (deVPhi_i) (pos.posAng) (POS_POS-ANG)
deVPhi_z	113.7	deg	[-10105/271] Position angle of dVrad in z band (deVPhi_z) (pos.posAng) (POS_POS-ANG)
flags_u	275146375168		Detection flags u band (flags_u) (Note 3)   (meta.code) (CODE_MISC)
flags_g	275146375168		Detection flags g band (flags_g) (Note 3)   (meta.code) (CODE_MISC)
flags_r	4503874773712896		Detection flags r band (flags_r) (Note 3)   (meta.code) (CODE_MISC)
flags_i	275146342400		Detection flags i band (flags_i) (Note 3)   (meta.code) (CODE_MISC)
flags_z	275146342400		Detection flags z band (flags_z) (Note 3)   (meta.code) (CODE_MISC)
type_u	6		[0/8] Phototype in u band (6=Star ; 3=galaxy) (type_u) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_g	6		[0/8] Phototype in i band (6=Star ; 3=galaxy) (type_g) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_r	6		[0/8] Phototype in r band (6=Star ; 3=galaxy) (type_r) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_i	6		[0/8] Phototype in i band (6=Star ; 3=galaxy) (type_i) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_z	6		[0/8] Phototype in z band (6=Star ; 3=galaxy) (type_z) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_u	1.0		[0/1] 0=notStar 1=Star in u band (probPSF_u) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_g	1.0		[0/1] 0=notStar 1=Star in g band (probPSF_g) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_r	1.0		[0/1] 0=notStar 1=Star in r band (probPSF_r) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_i	1.0		[0/1] 0=notStar 1=Star in i band (probPSF_i) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_z	1.0		[0/1] 0=notStar 1=Star in z band (probPSF_z) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
raErr	0.008	arcsec	[0/51703] Mean error on RAdeg (raErr) (stat.error;pos.eq.ra) (ERROR)
decErr	0.008	arcsec	[0/22795] Mean error on DEdeg (decErr) (stat.error;pos.eq.dec) (ERROR)
offsetRa_u	0.03	arcsec	Offset of u position along RA (offsetRa_u) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_g	0.05	arcsec	Offset of g position along RA (offsetRa_g) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_r	0.00	arcsec	Offset of r position along RA (offsetRa_r) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_i	-0.03	arcsec	Offset of i position along RA (offsetRa_i) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_z	0.05	arcsec	Offset of z position along RA (offsetRa_z) (pos.angDistance) (POS_EQ_RA_OFF)
offsetDec_u	0.10	arcsec	Offset of u position along Dec (offsetDec_u) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_g	0.03	arcsec	Offset of g position along Dec (offsetDec_g) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_r	0.00	arcsec	Offset of r position along Dec (offsetDec_r) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_i	0.01	arcsec	Offset of i position along Dec (offsetDec_i) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_z	0.01	arcsec	Offset of z position along Dec (offsetDec_z) (pos.angDistance) (POS_EQ_DEC_OFF)
parentID	0		Pointer to parent (if object deblended) (meta.id.parent) (ID_PARENT)
specObjID	0		(i) Pointer to the spectrum of object or 0 (specObjID) (Note 6)   (meta.id) (ID_ALTERNATIVE)
u	19.967	mag	(i) [4/37.3] Model magnitude in u filter AB scale (u) (Note 7)   (phot.mag;em.opt.U) (PHOT_SDSS_U)
g	19.118	mag	(i) [3.7/39.6] Model magnitude in g filter AB scale (g) (Note 7)   (phot.mag;em.opt.B) (PHOT_SDSS_G)
r	18.980	mag	(i) [3.8/40.4] Model magnitude in r filter AB scale (r) (Note 7)   (phot.mag;em.opt.R) (PHOT_SDSS_R)
i	19.016	mag	(i) [2.6/39.5] Model magnitude in i filter AB scale (i) (Note 7)   (phot.mag;em.opt.I) (PHOT_SDSS_I)
z	19.122	mag	(i) [3.5/37.2] Model magnitude in z filter AB scale (z) (Note 7)   (phot.mag;em.opt.I) (PHOT_SDSS_Z)
err_u	0.053	mag	[8.9e-8/3444] Mean error on umag (err_u) (stat.error;phot.mag) (ERROR)
err_g	0.012	mag	[3.8e-8/5955] Mean error on gmag (err_g) (stat.error;phot.mag) (ERROR)
err_r	0.014	mag	[5.2e-8/915] Mean error on rmag (err_r) (stat.error;phot.mag) (ERROR)
err_i	0.017	mag	[0/634] Mean error on imag (err_i) (stat.error;phot.mag) (ERROR)
err_z	0.054	mag	[9.4e-8/3529] Mean error on zmag (err_z) (stat.error;phot.mag) (ERROR)
resolveStatus	1025		[0/4145] Decimal status (resolveStatus) (Note 5)   (meta.code) (CODE_MISC)
spec_instrument			Spectral instrument used ("SDSS" or "BOSS") (spec_instrument) (Note 6)   (meta.id;instr) (INST_ID)
spec_sourceType			Source type (spec_sourceType) (6) (Note 8)   (src.class) (CLASS_OBJECT)
spec_z			(i) [-0.012/7.06] Spectroscopic final redshift (when SpObjID>0) (spec_z) (Note 6)   (src.redshift) (REDSHIFT_HC)
spec_zErr			[-6/30689] Mean error on zsp (negative for bad fit) (spec_zErr) (Note 6)   (stat.error) (ERROR)
spec_zWarning			[0/902] Zwarning flag (spec_zWarning) (6) (Note 9)   (meta.code) (CODE_MISC)
spec_class			Spectroscopic class: "GALAXY"; "QSO"; "STAR" (spec_class) (Note 6)   (meta.code.class;pos.parallax.spect) (CLASS_STAR/GALAXY)
spec_subClass			Spectroscopic subclass (spec_subClass) (6) (Note 10)   (src.class) (CLASS_OBJECT)
spec_velDisp		km/s	[0/850] Velocity dispersion (spec_velDisp) (Note 6)   (phys.veloc.dispersion) (VELOC_DISP)
spec_velDispErr		km/s	[-7/4526] Mean error on Vdisp (spec_velDispErr) (Note 6)   (stat.error) (ERROR)
spec_snMedian			[-1927/132] Median signal-to-noise over all good pixels (spec_snMedian) (Note 6)   (em.wl.central;stat.median) (INST_S/N)
pm_match	1		[0/4] Number of USNO-B objects matched within 1arcsec (pm_match) (Note 11)   (meta.number) (NUMBER)
pm_pmRa	-2.35	mas/yr	[-6121/5519] Proper motion along Right Ascension (pm_pmRa) (Note 11)   (pos.pm;pos.eq.ra) (POS_EQ_PMRA)
pm_pmDec	-3.74	mas/yr	[-4846/4437] Proper motion along Declination (pm_pmDec) (Note 11)   (pos.pm;pos.eq.dec) (POS_EQ_PMDEC)
pm_pmRaErr	3.09	mas/yr	[0/4709] Mean error on pmRA (pm_pmRaErr) (Note 11)   (stat.error;pos.pm;pos.eq.ra) (ERROR)
pm_pmDecErr	3.09	mas/yr	[0/4709] Mean error on pmDE (pm_pmDecErr) (Note 11)   (stat.error;pos.pm;pos.eq.dec) (ERROR)
pm_sigRa	128.30	mas	[0/8662] RMS residual of proper motion fit in RA (pm_sigRa) (Note 11)   (stat.fit.residual) (FIT_RESIDUAL)
pm_sigDec	199.67	mas	[0/10625] RMS residual of proper motion fit in Dec (pm_sigDec) (Note 11)   (stat.fit.residual) (FIT_RESIDUAL)
pm_nFit	5		[0/6] Number of detections used in the pm fit including SDSS (pm_nFit) (Note 11)   (meta.number) (NUMBER)
pm_O	18.8		[-214740/70189] Magnitude from USNO-B O plate recalibrated to SDSS g (pm_O) (Note 11)   (phot.mag;em.opt.B) (PHOT_PHG_B)
pm_E	19.1		Magnitude from E plate recalibrated to SDSS r (pm_E) (Note 11)   (phot.mag;em.opt.R) (PHOT_PHG_R)
pm_J	19.2		Magnitude from J plate recalibrated to SDSS g (pm_J) (Note 11)   (phot.mag;em.opt.B) (PHOT_PHG_B)
pm_F	19.0		Magnitude from F plate recalibrated to SDSS r (pm_F) (Note 11)   (phot.mag;em.opt.R) (PHOT_PHG_R)
pm_N	0.0		Magnitude from N plate recalibrated to SDSS i (pm_N) (Note 11)   (phot.mag;em.opt.I) (PHOT_PHG_I)
photoz_z			(i) [5e-4/1] Photometric redshift estimated by robust fit to nearest neighbors in a reference set (photoz_z) (Note 12)   (src.redshift) (REDSHIFT_PHOT)
photoz_zErr			[0.003/0.3] Estimated error of the photometric redshift (photoz_zErr) (Note 12)   (stat.error) (ERROR)
photoz_nnAvgZ			[0.009/0.9] Average redshift of the nearest neighbors; if significantly different from zph this might be a better estimate than zph (photoz_nnAvgZ) (Note 12)   (src.redshift.phot) (REDSHIFT_PHOT)
photoz_chisq			[2e-12/6.3e7] Chi-square value for the minimum chi-square template fit (photoz_chisq) (Note 12)   (stat.value) (FIT_CHI2)
field_quality	1		[1/3] Quality of the observation: 1=bad; 2=barely acceptable; 3=good (field_quality) (Note 13)   (meta.code.qual;obs.param;obs) (CODE_QUALITY)
field_mjd_u	53286.3113	d	Date of observation in u band (field_mjd_u) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_g	53286.3130	d	Date of observation in g band (field_mjd_g) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_r	53286.3097	d	Date of observation in r band (field_mjd_r) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_i	53286.3105	d	Date of observation in i band (field_mjd_i) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_z	53286.3122	d	Date of observation in z band (field_mjd_z) (Note 13)   (time.epoch) (TIME_DATE)
SDSS16	SDSS J002716.16-000240.3		(i) SDSS-DR16 name based on J2000 position; provided by CDS (meta.id) (ID_ALTERNATIVE)
SDSS-ID	4868-301-3-0253-0202		(i) SDSS object identifier (run-rerun-camcol-field-object) (Note 1)   (meta.id) (ID_ALTERNATIVE)
Sp-ID			(i) Spectroscopic Plate-MJD-Fiber identifier (plate-mjd-fiberID) (meta.id) (ID_ALTERNATIVE)
MJD	53286.3113	d	Mean observation date (average calculated by CDS from the uMJD, gMJD, rMJD, iMJD, zMJD) (time.epoch) (TIME_DATE)

Column	Value		Explain   (UCD)
_r	0.070	arcsec	Distance from center (006.817346-00.044534)[ICRS], at Epoch of catalog (MJD) (pos.angDistance) (POS_ANG_DIST_GENERAL)
_RAJ2000	00 27 16.16452	"h:m:s"	Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra) (POS_EQ_RA)
_DEJ2000	-00 02 40.2493	"d:m:s"	Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_RAB1950	00 24 42.44079	"h:m:s"	Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra) (POS_EQ_RA)
_DEB1950	-00 19 16.0657	"d:m:s"	Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_Glon	109.84399437	deg	Galactic longitude at Epoch=J0. (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lon) (POS_GAL_LON)
_Glat	-62.30053625	deg	Galactic latitude at Epoch=J0. (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lat) (POS_GAL_LAT)
objID	1237666339184705639		(i) SDSS unique object identifier (1) (links to online SDSS-DR16 data) (Note)   (meta.id;meta.main) (ID_MAIN)
ra	006.817347	deg	(i) Right Ascension of the object (ICRS) at Epoch="MJD" (ra) (pos.eq.ra;meta.main) (POS_EQ_RA_MAIN)
dec	-00.044514	deg	(i) Declination of the object (ICRS) at Epoch="MJD" (dec) (pos.eq.dec;meta.main) (POS_EQ_DEC_MAIN)
fieldID	1237666339184705536		The field this object is in (meta.note) (ID_FIELD)
mode	2		[1/4] PhotoMode (1=primary, 2=secondary, 3=family, 4=outside) (meta.code.class) (CLASS_CODE)
type	6		[0/8] Type of object (3=galaxy, 6=star) (type) (Note 2)   (src.class) (CLASS_OBJECT)
clean	0		[0/1] Clean photometry flag (1=clean; 0=unclean) (meta.code) (CODE_MISC)
flags	68988043776		Photo Object Attribute flags (Note 3)   (meta.code.error) (CODE_MISC)
psfMag_u	20.084	mag	(i) [4/35] PSF magnitude in u band (psfMag_u) (Note 4)   (phot.mag;em.opt.U) (PHOT_SDSS_U)
psfMag_g	19.143	mag	[3.7/37] PSF magnitude in g band (psfMag_g) (Note 4)   (phot.mag;em.opt.B) (PHOT_SDSS_G)
psfMag_r	19.038	mag	[3.8/36] PSF magnitude in r band (psfMag_r) (Note 4)   (phot.mag;em.opt.R) (PHOT_SDSS_R)
psfMag_i	19.015	mag	[2.6/34] PSF magnitude in i band (psfMag_i) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_I)
psfMag_z	19.003	mag	[3.8/33.3] PSF magnitude in z band (psfMag_z) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_Z)
psfMagErr_u	0.047	mag	[1.5e-5/100] Mean error on upmag (psfMagErr_u) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_g	0.019	mag	Mean error on gpmag (psfMagErr_g) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_r	0.016	mag	Mean error on rpmag (psfMagErr_r) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_i	0.021	mag	Mean error on ipmag (psfMagErr_i) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_z	0.044	mag	Mean error on zpmag (psfMagErr_z) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMag_u	20.103	mag	[-0.4/47.2] Petrosian magnitude in u band (petroMag_u) (Note 4)   (phot.mag;em.opt.U) (PHOT_SDSS_U)
petroMag_g	19.145	mag	[3.7/48] Petrosian magnitude in g band (petroMag_g) (Note 4)   (phot.mag;em.opt.B) (PHOT_SDSS_G)
petroMag_r	19.087	mag	[1.3/48.6] Petrosian magnitude in r band (petroMag_r) (Note 4)   (phot.mag;em.opt.R) (PHOT_SDSS_R)
petroMag_i	19.092	mag	[2.6/48.4] Petrosian magnitude in i band (petroMag_i) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_I)
petroMag_z	18.956	mag	[-2.9/45.1] Petrosian magnitude in z band (petroMag_z) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_Z)
petroMagErr_u	0.071	mag	[1e-7/100] Mean error in uPmag (petroMagErr_u) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_g	0.017	mag	[9.1e-9/100] Mean error in gPmag (petroMagErr_g) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_r	0.019	mag	Mean error in rPmag (petroMagErr_r) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_i	0.027	mag	Mean error in iPmag (petroMagErr_i) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_z	0.084	mag	Mean error in zPmag (petroMagErr_z) (Note 4)   (stat.error;phot.mag) (ERROR)
petroRad_u	1.488	arcsec	[1.2e-6/261] Petrosian radius in u band (petroRad_u) (phys.angSize;src) (EXTENSION_RAD)
petroRad_g	1.415	arcsec	[2.3e-6/261] Petrosian radius in g band (petroRad_g) (phys.angSize;src) (EXTENSION_RAD)
petroRad_r	1.194	arcsec	[4.9e-6/260] Petrosian radius in r band (petroRad_r) (phys.angSize;src) (EXTENSION_RAD)
petroRad_i	1.074	arcsec	[2.2e-6/263] Petrosian radius in i band (petroRad_i) (phys.angSize;src) (EXTENSION_RAD)
petroRad_z	1.268	arcsec	[8.3e-7/261] Petrosian radius in z band (petroRad_z) (phys.angSize;src) (EXTENSION_RAD)
petroRadErr_u	0.187	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_u) (stat.error) (ERROR)
petroRadErr_g	0.038	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_g) (stat.error) (ERROR)
petroRadErr_r	0.031	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_r) (stat.error) (ERROR)
petroRadErr_i	0.030	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_i) (stat.error) (ERROR)
petroRadErr_z	0.298	arcsec	[-1000/257] Mean error in rPrad (petroRadErr_z) (stat.error) (ERROR)
deVRad_u	0.152	arcsec	[0/257] De Vaucouleurs fit radius u band (deVRad_u) (phys.angSize;src) (EXTENSION_RAD)
deVRad_g	0.084	arcsec	[0/238] De Vaucouleurs fit radius g band (deVRad_g) (phys.angSize;src) (EXTENSION_RAD)
deVRad_r	0.064	arcsec	[0/238] De Vaucouleurs fit radius r band (deVRad_r) (phys.angSize;src) (EXTENSION_RAD)
deVRad_i	0.000	arcsec	[0/232] De Vaucouleurs fit radius i band (deVRad_i) (phys.angSize;src) (EXTENSION_RAD)
deVRad_z	0.140	arcsec	[0/238] De Vaucouleurs fit radius z band (deVRad_z) (phys.angSize;src) (EXTENSION_RAD)
deVAB_u	0.106		[0.05/1] De Vaucouleurs fit b/a u band (deVAB_u) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_g	1.000		[0.05/1] De Vaucouleurs fit b/a g band (deVAB_g) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_r	0.789		[0.05/1] De Vaucouleurs fit b/a r band (deVAB_r) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_i	0.604		[0.05/1] De Vaucouleurs fit b/a i band (deVAB_i) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_z	0.077		[0.05/1] De Vaucouleurs fit b/a z band (deVAB_z) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVPhi_u	92.1	deg	[-10105/271] Position angle of dVrad in u band (deVPhi_u) (pos.posAng) (POS_POS-ANG)
deVPhi_g	42.5	deg	[-10105/271] Position angle of dVrad in g band (deVPhi_g) (pos.posAng) (POS_POS-ANG)
deVPhi_r	134.6	deg	[-10105/271] Position angle of dVrad in r band (deVPhi_r) (pos.posAng) (POS_POS-ANG)
deVPhi_i	133.7	deg	[-10105/271] Position angle of dVrad in i band (deVPhi_i) (pos.posAng) (POS_POS-ANG)
deVPhi_z	75.0	deg	[-10105/271] Position angle of dVrad in z band (deVPhi_z) (pos.posAng) (POS_POS-ANG)
flags_u	275297370112		Detection flags u band (flags_u) (Note 3)   (meta.code) (CODE_MISC)
flags_g	419463680		Detection flags g band (flags_g) (Note 3)   (meta.code) (CODE_MISC)
flags_r	4503599912616448		Detection flags r band (flags_r) (Note 3)   (meta.code) (CODE_MISC)
flags_i	275297501696		Detection flags i band (flags_i) (Note 3)   (meta.code) (CODE_MISC)
flags_z	275297370112		Detection flags z band (flags_z) (Note 3)   (meta.code) (CODE_MISC)
type_u	6		[0/8] Phototype in u band (6=Star ; 3=galaxy) (type_u) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_g	6		[0/8] Phototype in i band (6=Star ; 3=galaxy) (type_g) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_r	6		[0/8] Phototype in r band (6=Star ; 3=galaxy) (type_r) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_i	6		[0/8] Phototype in i band (6=Star ; 3=galaxy) (type_i) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_z	6		[0/8] Phototype in z band (6=Star ; 3=galaxy) (type_z) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_u	1.0		[0/1] 0=notStar 1=Star in u band (probPSF_u) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_g	1.0		[0/1] 0=notStar 1=Star in g band (probPSF_g) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_r	1.0		[0/1] 0=notStar 1=Star in r band (probPSF_r) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_i	1.0		[0/1] 0=notStar 1=Star in i band (probPSF_i) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_z	1.0		[0/1] 0=notStar 1=Star in z band (probPSF_z) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
raErr	0.006	arcsec	[0/51703] Mean error on RAdeg (raErr) (stat.error;pos.eq.ra) (ERROR)
decErr	0.007	arcsec	[0/22795] Mean error on DEdeg (decErr) (stat.error;pos.eq.dec) (ERROR)
offsetRa_u	-0.02	arcsec	Offset of u position along RA (offsetRa_u) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_g	0.07	arcsec	Offset of g position along RA (offsetRa_g) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_r	0.00	arcsec	Offset of r position along RA (offsetRa_r) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_i	0.02	arcsec	Offset of i position along RA (offsetRa_i) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_z	0.01	arcsec	Offset of z position along RA (offsetRa_z) (pos.angDistance) (POS_EQ_RA_OFF)
offsetDec_u	-0.12	arcsec	Offset of u position along Dec (offsetDec_u) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_g	-0.00	arcsec	Offset of g position along Dec (offsetDec_g) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_r	0.00	arcsec	Offset of r position along Dec (offsetDec_r) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_i	-0.01	arcsec	Offset of i position along Dec (offsetDec_i) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_z	-0.06	arcsec	Offset of z position along Dec (offsetDec_z) (pos.angDistance) (POS_EQ_DEC_OFF)
parentID	1237666339184705638		Pointer to parent (if object deblended) (meta.id.parent) (ID_PARENT)
specObjID	0		(i) Pointer to the spectrum of object or 0 (specObjID) (Note 6)   (meta.id) (ID_ALTERNATIVE)
u	20.072	mag	(i) [4/37.3] Model magnitude in u filter AB scale (u) (Note 7)   (phot.mag;em.opt.U) (PHOT_SDSS_U)
g	19.122	mag	(i) [3.7/39.6] Model magnitude in g filter AB scale (g) (Note 7)   (phot.mag;em.opt.B) (PHOT_SDSS_G)
r	19.015	mag	(i) [3.8/40.4] Model magnitude in r filter AB scale (r) (Note 7)   (phot.mag;em.opt.R) (PHOT_SDSS_R)
i	19.001	mag	(i) [2.6/39.5] Model magnitude in i filter AB scale (i) (Note 7)   (phot.mag;em.opt.I) (PHOT_SDSS_I)
z	18.967	mag	(i) [3.5/37.2] Model magnitude in z filter AB scale (z) (Note 7)   (phot.mag;em.opt.I) (PHOT_SDSS_Z)
err_u	0.048	mag	[8.9e-8/3444] Mean error on umag (err_u) (stat.error;phot.mag) (ERROR)
err_g	0.012	mag	[3.8e-8/5955] Mean error on gmag (err_g) (stat.error;phot.mag) (ERROR)
err_r	0.012	mag	[5.2e-8/915] Mean error on rmag (err_r) (stat.error;phot.mag) (ERROR)
err_i	0.015	mag	[0/634] Mean error on imag (err_i) (stat.error;phot.mag) (ERROR)
err_z	0.044	mag	[9.4e-8/3529] Mean error on zmag (err_z) (stat.error;phot.mag) (ERROR)
resolveStatus	1025		[0/4145] Decimal status (resolveStatus) (Note 5)   (meta.code) (CODE_MISC)
spec_instrument			Spectral instrument used ("SDSS" or "BOSS") (spec_instrument) (Note 6)   (meta.id;instr) (INST_ID)
spec_sourceType			Source type (spec_sourceType) (6) (Note 8)   (src.class) (CLASS_OBJECT)
spec_z			(i) [-0.012/7.06] Spectroscopic final redshift (when SpObjID>0) (spec_z) (Note 6)   (src.redshift) (REDSHIFT_HC)
spec_zErr			[-6/30689] Mean error on zsp (negative for bad fit) (spec_zErr) (Note 6)   (stat.error) (ERROR)
spec_zWarning			[0/902] Zwarning flag (spec_zWarning) (6) (Note 9)   (meta.code) (CODE_MISC)
spec_class			Spectroscopic class: "GALAXY"; "QSO"; "STAR" (spec_class) (Note 6)   (meta.code.class;pos.parallax.spect) (CLASS_STAR/GALAXY)
spec_subClass			Spectroscopic subclass (spec_subClass) (6) (Note 10)   (src.class) (CLASS_OBJECT)
spec_velDisp		km/s	[0/850] Velocity dispersion (spec_velDisp) (Note 6)   (phys.veloc.dispersion) (VELOC_DISP)
spec_velDispErr		km/s	[-7/4526] Mean error on Vdisp (spec_velDispErr) (Note 6)   (stat.error) (ERROR)
spec_snMedian			[-1927/132] Median signal-to-noise over all good pixels (spec_snMedian) (Note 6)   (em.wl.central;stat.median) (INST_S/N)
pm_match	1		[0/4] Number of USNO-B objects matched within 1arcsec (pm_match) (Note 11)   (meta.number) (NUMBER)
pm_pmRa	-4.01	mas/yr	[-6121/5519] Proper motion along Right Ascension (pm_pmRa) (Note 11)   (pos.pm;pos.eq.ra) (POS_EQ_PMRA)
pm_pmDec	-0.59	mas/yr	[-4846/4437] Proper motion along Declination (pm_pmDec) (Note 11)   (pos.pm;pos.eq.dec) (POS_EQ_PMDEC)
pm_pmRaErr	3.11	mas/yr	[0/4709] Mean error on pmRA (pm_pmRaErr) (Note 11)   (stat.error;pos.pm;pos.eq.ra) (ERROR)
pm_pmDecErr	3.11	mas/yr	[0/4709] Mean error on pmDE (pm_pmDecErr) (Note 11)   (stat.error;pos.pm;pos.eq.dec) (ERROR)
pm_sigRa	118.72	mas	[0/8662] RMS residual of proper motion fit in RA (pm_sigRa) (Note 11)   (stat.fit.residual) (FIT_RESIDUAL)
pm_sigDec	182.23	mas	[0/10625] RMS residual of proper motion fit in Dec (pm_sigDec) (Note 11)   (stat.fit.residual) (FIT_RESIDUAL)
pm_nFit	5		[0/6] Number of detections used in the pm fit including SDSS (pm_nFit) (Note 11)   (meta.number) (NUMBER)
pm_O	18.8		[-214740/70189] Magnitude from USNO-B O plate recalibrated to SDSS g (pm_O) (Note 11)   (phot.mag;em.opt.B) (PHOT_PHG_B)
pm_E	19.1		Magnitude from E plate recalibrated to SDSS r (pm_E) (Note 11)   (phot.mag;em.opt.R) (PHOT_PHG_R)
pm_J	19.1		Magnitude from J plate recalibrated to SDSS g (pm_J) (Note 11)   (phot.mag;em.opt.B) (PHOT_PHG_B)
pm_F	19.0		Magnitude from F plate recalibrated to SDSS r (pm_F) (Note 11)   (phot.mag;em.opt.R) (PHOT_PHG_R)
pm_N	0.0		Magnitude from N plate recalibrated to SDSS i (pm_N) (Note 11)   (phot.mag;em.opt.I) (PHOT_PHG_I)
photoz_z			(i) [5e-4/1] Photometric redshift estimated by robust fit to nearest neighbors in a reference set (photoz_z) (Note 12)   (src.redshift) (REDSHIFT_PHOT)
photoz_zErr			[0.003/0.3] Estimated error of the photometric redshift (photoz_zErr) (Note 12)   (stat.error) (ERROR)
photoz_nnAvgZ			[0.009/0.9] Average redshift of the nearest neighbors; if significantly different from zph this might be a better estimate than zph (photoz_nnAvgZ) (Note 12)   (src.redshift.phot) (REDSHIFT_PHOT)
photoz_chisq			[2e-12/6.3e7] Chi-square value for the minimum chi-square template fit (photoz_chisq) (Note 12)   (stat.value) (FIT_CHI2)
field_quality	3		[1/3] Quality of the observation: 1=bad; 2=barely acceptable; 3=good (field_quality) (Note 13)   (meta.code.qual;obs.param;obs) (CODE_QUALITY)
field_mjd_u	53272.3429	d	Date of observation in u band (field_mjd_u) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_g	53272.3445	d	Date of observation in g band (field_mjd_g) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_r	53272.3412	d	Date of observation in r band (field_mjd_r) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_i	53272.3421	d	Date of observation in i band (field_mjd_i) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_z	53272.3437	d	Date of observation in z band (field_mjd_z) (Note 13)   (time.epoch) (TIME_DATE)
SDSS16	SDSS J002716.16-000240.2		(i) SDSS-DR16 name based on J2000 position; provided by CDS (meta.id) (ID_ALTERNATIVE)
SDSS-ID	4858-301-3-0400-0103		(i) SDSS object identifier (run-rerun-camcol-field-object) (Note 1)   (meta.id) (ID_ALTERNATIVE)
Sp-ID			(i) Spectroscopic Plate-MJD-Fiber identifier (plate-mjd-fiberID) (meta.id) (ID_ALTERNATIVE)
MJD	53272.3429	d	Mean observation date (average calculated by CDS from the uMJD, gMJD, rMJD, iMJD, zMJD) (time.epoch) (TIME_DATE)

Column	Value		Explain   (UCD)
_r	0.073	arcsec	Distance from center (006.817346-00.044534)[ICRS], at Epoch of catalog (MJD) (pos.angDistance) (POS_ANG_DIST_GENERAL)
_RAJ2000	00 27 16.16761	"h:m:s"	Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra) (POS_EQ_RA)
_DEJ2000	-00 02 40.3511	"d:m:s"	Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_RAB1950	00 24 42.43833	"h:m:s"	Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra) (POS_EQ_RA)
_DEB1950	-00 19 16.0553	"d:m:s"	Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_Glon	109.84401764	deg	Galactic longitude at Epoch=J0. (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lon) (POS_GAL_LON)
_Glat	-62.30056801	deg	Galactic latitude at Epoch=J0. (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lat) (POS_GAL_LAT)
objID	1237656907431805084		(i) SDSS unique object identifier (1) (links to online SDSS-DR16 data) (Note)   (meta.id;meta.main) (ID_MAIN)
ra	006.817364	deg	(i) Right Ascension of the object (ICRS) at Epoch="MJD" (ra) (pos.eq.ra;meta.main) (POS_EQ_RA_MAIN)
dec	-00.044543	deg	(i) Declination of the object (ICRS) at Epoch="MJD" (dec) (pos.eq.dec;meta.main) (POS_EQ_DEC_MAIN)
fieldID	1237656907431804928		The field this object is in (meta.note) (ID_FIELD)
mode	2		[1/4] PhotoMode (1=primary, 2=secondary, 3=family, 4=outside) (meta.code.class) (CLASS_CODE)
type	6		[0/8] Type of object (3=galaxy, 6=star) (type) (Note 2)   (src.class) (CLASS_OBJECT)
clean	0		[0/1] Clean photometry flag (1=clean; 0=unclean) (meta.code) (CODE_MISC)
flags	68987912192		Photo Object Attribute flags (Note 3)   (meta.code.error) (CODE_MISC)
psfMag_u	20.210	mag	(i) [4/35] PSF magnitude in u band (psfMag_u) (Note 4)   (phot.mag;em.opt.U) (PHOT_SDSS_U)
psfMag_g	19.119	mag	[3.7/37] PSF magnitude in g band (psfMag_g) (Note 4)   (phot.mag;em.opt.B) (PHOT_SDSS_G)
psfMag_r	19.025	mag	[3.8/36] PSF magnitude in r band (psfMag_r) (Note 4)   (phot.mag;em.opt.R) (PHOT_SDSS_R)
psfMag_i	19.008	mag	[2.6/34] PSF magnitude in i band (psfMag_i) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_I)
psfMag_z	19.058	mag	[3.8/33.3] PSF magnitude in z band (psfMag_z) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_Z)
psfMagErr_u	0.052	mag	[1.5e-5/100] Mean error on upmag (psfMagErr_u) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_g	0.022	mag	Mean error on gpmag (psfMagErr_g) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_r	0.025	mag	Mean error on rpmag (psfMagErr_r) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_i	0.017	mag	Mean error on ipmag (psfMagErr_i) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_z	0.048	mag	Mean error on zpmag (psfMagErr_z) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMag_u	20.233	mag	[-0.4/47.2] Petrosian magnitude in u band (petroMag_u) (Note 4)   (phot.mag;em.opt.U) (PHOT_SDSS_U)
petroMag_g	19.151	mag	[3.7/48] Petrosian magnitude in g band (petroMag_g) (Note 4)   (phot.mag;em.opt.B) (PHOT_SDSS_G)
petroMag_r	19.048	mag	[1.3/48.6] Petrosian magnitude in r band (petroMag_r) (Note 4)   (phot.mag;em.opt.R) (PHOT_SDSS_R)
petroMag_i	19.097	mag	[2.6/48.4] Petrosian magnitude in i band (petroMag_i) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_I)
petroMag_z	19.358	mag	[-2.9/45.1] Petrosian magnitude in z band (petroMag_z) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_Z)
petroMagErr_u	0.069	mag	[1e-7/100] Mean error in uPmag (petroMagErr_u) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_g	0.012	mag	[9.1e-9/100] Mean error in gPmag (petroMagErr_g) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_r	0.016	mag	Mean error in rPmag (petroMagErr_r) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_i	0.026	mag	Mean error in iPmag (petroMagErr_i) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_z	0.135	mag	Mean error in zPmag (petroMagErr_z) (Note 4)   (stat.error;phot.mag) (ERROR)
petroRad_u	1.620	arcsec	[1.2e-6/261] Petrosian radius in u band (petroRad_u) (phys.angSize;src) (EXTENSION_RAD)
petroRad_g	1.470	arcsec	[2.3e-6/261] Petrosian radius in g band (petroRad_g) (phys.angSize;src) (EXTENSION_RAD)
petroRad_r	1.220	arcsec	[4.9e-6/260] Petrosian radius in r band (petroRad_r) (phys.angSize;src) (EXTENSION_RAD)
petroRad_i	1.120	arcsec	[2.2e-6/263] Petrosian radius in i band (petroRad_i) (phys.angSize;src) (EXTENSION_RAD)
petroRad_z	0.943	arcsec	[8.3e-7/261] Petrosian radius in z band (petroRad_z) (phys.angSize;src) (EXTENSION_RAD)
petroRadErr_u	0.137	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_u) (stat.error) (ERROR)
petroRadErr_g	0.026	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_g) (stat.error) (ERROR)
petroRadErr_r	0.024	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_r) (stat.error) (ERROR)
petroRadErr_i	0.039	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_i) (stat.error) (ERROR)
petroRadErr_z	0.058	arcsec	[-1000/257] Mean error in rPrad (petroRadErr_z) (stat.error) (ERROR)
deVRad_u	0.236	arcsec	[0/257] De Vaucouleurs fit radius u band (deVRad_u) (phys.angSize;src) (EXTENSION_RAD)
deVRad_g	0.067	arcsec	[0/238] De Vaucouleurs fit radius g band (deVRad_g) (phys.angSize;src) (EXTENSION_RAD)
deVRad_r	0.050	arcsec	[0/238] De Vaucouleurs fit radius r band (deVRad_r) (phys.angSize;src) (EXTENSION_RAD)
deVRad_i	0.000	arcsec	[0/232] De Vaucouleurs fit radius i band (deVRad_i) (phys.angSize;src) (EXTENSION_RAD)
deVRad_z	0.056	arcsec	[0/238] De Vaucouleurs fit radius z band (deVRad_z) (phys.angSize;src) (EXTENSION_RAD)
deVAB_u	0.050		[0.05/1] De Vaucouleurs fit b/a u band (deVAB_u) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_g	0.921		[0.05/1] De Vaucouleurs fit b/a g band (deVAB_g) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_r	1.000		[0.05/1] De Vaucouleurs fit b/a r band (deVAB_r) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_i	0.640		[0.05/1] De Vaucouleurs fit b/a i band (deVAB_i) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_z	0.081		[0.05/1] De Vaucouleurs fit b/a z band (deVAB_z) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVPhi_u	72.2	deg	[-10105/271] Position angle of dVrad in u band (deVPhi_u) (pos.posAng) (POS_POS-ANG)
deVPhi_g	43.6	deg	[-10105/271] Position angle of dVrad in g band (deVPhi_g) (pos.posAng) (POS_POS-ANG)
deVPhi_r	130.4	deg	[-10105/271] Position angle of dVrad in r band (deVPhi_r) (pos.posAng) (POS_POS-ANG)
deVPhi_i	126.6	deg	[-10105/271] Position angle of dVrad in i band (deVPhi_i) (pos.posAng) (POS_POS-ANG)
deVPhi_z	76.4	deg	[-10105/271] Position angle of dVrad in z band (deVPhi_z) (pos.posAng) (POS_POS-ANG)
flags_u	275146375168		Detection flags u band (flags_u) (Note 3)   (meta.code) (CODE_MISC)
flags_g	268468224		Detection flags g band (flags_g) (Note 3)   (meta.code) (CODE_MISC)
flags_r	4503599895838720		Detection flags r band (flags_r) (Note 3)   (meta.code) (CODE_MISC)
flags_i	275297370112		Detection flags i band (flags_i) (Note 3)   (meta.code) (CODE_MISC)
flags_z	275280592896		Detection flags z band (flags_z) (Note 3)   (meta.code) (CODE_MISC)
type_u	6		[0/8] Phototype in u band (6=Star ; 3=galaxy) (type_u) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_g	6		[0/8] Phototype in i band (6=Star ; 3=galaxy) (type_g) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_r	6		[0/8] Phototype in r band (6=Star ; 3=galaxy) (type_r) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_i	6		[0/8] Phototype in i band (6=Star ; 3=galaxy) (type_i) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_z	6		[0/8] Phototype in z band (6=Star ; 3=galaxy) (type_z) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_u	1.0		[0/1] 0=notStar 1=Star in u band (probPSF_u) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_g	1.0		[0/1] 0=notStar 1=Star in g band (probPSF_g) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_r	1.0		[0/1] 0=notStar 1=Star in r band (probPSF_r) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_i	1.0		[0/1] 0=notStar 1=Star in i band (probPSF_i) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_z	1.0		[0/1] 0=notStar 1=Star in z band (probPSF_z) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
raErr	0.006	arcsec	[0/51703] Mean error on RAdeg (raErr) (stat.error;pos.eq.ra) (ERROR)
decErr	0.006	arcsec	[0/22795] Mean error on DEdeg (decErr) (stat.error;pos.eq.dec) (ERROR)
offsetRa_u	0.03	arcsec	Offset of u position along RA (offsetRa_u) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_g	0.08	arcsec	Offset of g position along RA (offsetRa_g) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_r	0.00	arcsec	Offset of r position along RA (offsetRa_r) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_i	0.02	arcsec	Offset of i position along RA (offsetRa_i) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_z	0.02	arcsec	Offset of z position along RA (offsetRa_z) (pos.angDistance) (POS_EQ_RA_OFF)
offsetDec_u	0.01	arcsec	Offset of u position along Dec (offsetDec_u) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_g	0.04	arcsec	Offset of g position along Dec (offsetDec_g) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_r	0.00	arcsec	Offset of r position along Dec (offsetDec_r) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_i	0.01	arcsec	Offset of i position along Dec (offsetDec_i) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_z	-0.01	arcsec	Offset of z position along Dec (offsetDec_z) (pos.angDistance) (POS_EQ_DEC_OFF)
parentID	1237656907431805083		Pointer to parent (if object deblended) (meta.id.parent) (ID_PARENT)
specObjID	0		(i) Pointer to the spectrum of object or 0 (specObjID) (Note 6)   (meta.id) (ID_ALTERNATIVE)
u	20.188	mag	(i) [4/37.3] Model magnitude in u filter AB scale (u) (Note 7)   (phot.mag;em.opt.U) (PHOT_SDSS_U)
g	19.104	mag	(i) [3.7/39.6] Model magnitude in g filter AB scale (g) (Note 7)   (phot.mag;em.opt.B) (PHOT_SDSS_G)
r	19.005	mag	(i) [3.8/40.4] Model magnitude in r filter AB scale (r) (Note 7)   (phot.mag;em.opt.R) (PHOT_SDSS_R)
i	19.009	mag	(i) [2.6/39.5] Model magnitude in i filter AB scale (i) (Note 7)   (phot.mag;em.opt.I) (PHOT_SDSS_I)
z	19.038	mag	(i) [3.5/37.2] Model magnitude in z filter AB scale (z) (Note 7)   (phot.mag;em.opt.I) (PHOT_SDSS_Z)
err_u	0.050	mag	[8.9e-8/3444] Mean error on umag (err_u) (stat.error;phot.mag) (ERROR)
err_g	0.010	mag	[3.8e-8/5955] Mean error on gmag (err_g) (stat.error;phot.mag) (ERROR)
err_r	0.011	mag	[5.2e-8/915] Mean error on rmag (err_r) (stat.error;phot.mag) (ERROR)
err_i	0.015	mag	[0/634] Mean error on imag (err_i) (stat.error;phot.mag) (ERROR)
err_z	0.050	mag	[9.4e-8/3529] Mean error on zmag (err_z) (stat.error;phot.mag) (ERROR)
resolveStatus	1025		[0/4145] Decimal status (resolveStatus) (Note 5)   (meta.code) (CODE_MISC)
spec_instrument			Spectral instrument used ("SDSS" or "BOSS") (spec_instrument) (Note 6)   (meta.id;instr) (INST_ID)
spec_sourceType			Source type (spec_sourceType) (6) (Note 8)   (src.class) (CLASS_OBJECT)
spec_z			(i) [-0.012/7.06] Spectroscopic final redshift (when SpObjID>0) (spec_z) (Note 6)   (src.redshift) (REDSHIFT_HC)
spec_zErr			[-6/30689] Mean error on zsp (negative for bad fit) (spec_zErr) (Note 6)   (stat.error) (ERROR)
spec_zWarning			[0/902] Zwarning flag (spec_zWarning) (6) (Note 9)   (meta.code) (CODE_MISC)
spec_class			Spectroscopic class: "GALAXY"; "QSO"; "STAR" (spec_class) (Note 6)   (meta.code.class;pos.parallax.spect) (CLASS_STAR/GALAXY)
spec_subClass			Spectroscopic subclass (spec_subClass) (6) (Note 10)   (src.class) (CLASS_OBJECT)
spec_velDisp		km/s	[0/850] Velocity dispersion (spec_velDisp) (Note 6)   (phys.veloc.dispersion) (VELOC_DISP)
spec_velDispErr		km/s	[-7/4526] Mean error on Vdisp (spec_velDispErr) (Note 6)   (stat.error) (ERROR)
spec_snMedian			[-1927/132] Median signal-to-noise over all good pixels (spec_snMedian) (Note 6)   (em.wl.central;stat.median) (INST_S/N)
pm_match	1		[0/4] Number of USNO-B objects matched within 1arcsec (pm_match) (Note 11)   (meta.number) (NUMBER)
pm_pmRa	-2.34	mas/yr	[-6121/5519] Proper motion along Right Ascension (pm_pmRa) (Note 11)   (pos.pm;pos.eq.ra) (POS_EQ_PMRA)
pm_pmDec	-2.84	mas/yr	[-4846/4437] Proper motion along Declination (pm_pmDec) (Note 11)   (pos.pm;pos.eq.dec) (POS_EQ_PMDEC)
pm_pmRaErr	3.32	mas/yr	[0/4709] Mean error on pmRA (pm_pmRaErr) (Note 11)   (stat.error;pos.pm;pos.eq.ra) (ERROR)
pm_pmDecErr	3.32	mas/yr	[0/4709] Mean error on pmDE (pm_pmDecErr) (Note 11)   (stat.error;pos.pm;pos.eq.dec) (ERROR)
pm_sigRa	140.78	mas	[0/8662] RMS residual of proper motion fit in RA (pm_sigRa) (Note 11)   (stat.fit.residual) (FIT_RESIDUAL)
pm_sigDec	175.75	mas	[0/10625] RMS residual of proper motion fit in Dec (pm_sigDec) (Note 11)   (stat.fit.residual) (FIT_RESIDUAL)
pm_nFit	5		[0/6] Number of detections used in the pm fit including SDSS (pm_nFit) (Note 11)   (meta.number) (NUMBER)
pm_O	18.9		[-214740/70189] Magnitude from USNO-B O plate recalibrated to SDSS g (pm_O) (Note 11)   (phot.mag;em.opt.B) (PHOT_PHG_B)
pm_E	19.1		Magnitude from E plate recalibrated to SDSS r (pm_E) (Note 11)   (phot.mag;em.opt.R) (PHOT_PHG_R)
pm_J	19.2		Magnitude from J plate recalibrated to SDSS g (pm_J) (Note 11)   (phot.mag;em.opt.B) (PHOT_PHG_B)
pm_F	19.0		Magnitude from F plate recalibrated to SDSS r (pm_F) (Note 11)   (phot.mag;em.opt.R) (PHOT_PHG_R)
pm_N	0.0		Magnitude from N plate recalibrated to SDSS i (pm_N) (Note 11)   (phot.mag;em.opt.I) (PHOT_PHG_I)
photoz_z			(i) [5e-4/1] Photometric redshift estimated by robust fit to nearest neighbors in a reference set (photoz_z) (Note 12)   (src.redshift) (REDSHIFT_PHOT)
photoz_zErr			[0.003/0.3] Estimated error of the photometric redshift (photoz_zErr) (Note 12)   (stat.error) (ERROR)
photoz_nnAvgZ			[0.009/0.9] Average redshift of the nearest neighbors; if significantly different from zph this might be a better estimate than zph (photoz_nnAvgZ) (Note 12)   (src.redshift.phot) (REDSHIFT_PHOT)
photoz_chisq			[2e-12/6.3e7] Chi-square value for the minimum chi-square template fit (photoz_chisq) (Note 12)   (stat.value) (FIT_CHI2)
field_quality	3		[1/3] Quality of the observation: 1=bad; 2=barely acceptable; 3=good (field_quality) (Note 13)   (meta.code.qual;obs.param;obs) (CODE_QUALITY)
field_mjd_u	52197.3324	d	Date of observation in u band (field_mjd_u) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_g	52197.3341	d	Date of observation in g band (field_mjd_g) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_r	52197.3308	d	Date of observation in r band (field_mjd_r) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_i	52197.3316	d	Date of observation in i band (field_mjd_i) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_z	52197.3332	d	Date of observation in z band (field_mjd_z) (Note 13)   (time.epoch) (TIME_DATE)
SDSS16	SDSS J002716.16-000240.3		(i) SDSS-DR16 name based on J2000 position; provided by CDS (meta.id) (ID_ALTERNATIVE)
SDSS-ID	2662-301-3-0328-0156		(i) SDSS object identifier (run-rerun-camcol-field-object) (Note 1)   (meta.id) (ID_ALTERNATIVE)
Sp-ID			(i) Spectroscopic Plate-MJD-Fiber identifier (plate-mjd-fiberID) (meta.id) (ID_ALTERNATIVE)
MJD	52197.3324	d	Mean observation date (average calculated by CDS from the uMJD, gMJD, rMJD, iMJD, zMJD) (time.epoch) (TIME_DATE)

Column	Value		Explain   (UCD)
_r	0.073	arcsec	Distance from center (006.817346-00.044534)[ICRS], at Epoch of catalog (MJD) (pos.angDistance) (POS_ANG_DIST_GENERAL)
_RAJ2000	00 27 16.16697	"h:m:s"	Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra) (POS_EQ_RA)
_DEJ2000	-00 02 40.3668	"d:m:s"	Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_RAB1950	00 24 42.44017	"h:m:s"	Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra) (POS_EQ_RA)
_DEB1950	-00 19 16.0577	"d:m:s"	Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_Glon	109.84400717	deg	Galactic longitude at Epoch=J0. (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lon) (POS_GAL_LON)
_Glat	-62.30057245	deg	Galactic latitude at Epoch=J0. (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lat) (POS_GAL_LAT)
objID	1237660008403894405		(i) SDSS unique object identifier (1) (links to online SDSS-DR16 data) (Note)   (meta.id;meta.main) (ID_MAIN)
ra	006.817360	deg	(i) Right Ascension of the object (ICRS) at Epoch="MJD" (ra) (pos.eq.ra;meta.main) (POS_EQ_RA_MAIN)
dec	-00.044549	deg	(i) Declination of the object (ICRS) at Epoch="MJD" (dec) (pos.eq.dec;meta.main) (POS_EQ_DEC_MAIN)
fieldID	1237660008403894272		The field this object is in (meta.note) (ID_FIELD)
mode	2		[1/4] PhotoMode (1=primary, 2=secondary, 3=family, 4=outside) (meta.code.class) (CLASS_CODE)
type	6		[0/8] Type of object (3=galaxy, 6=star) (type) (Note 2)   (src.class) (CLASS_OBJECT)
clean	0		[0/1] Clean photometry flag (1=clean; 0=unclean) (meta.code) (CODE_MISC)
flags	68988043776		Photo Object Attribute flags (Note 3)   (meta.code.error) (CODE_MISC)
psfMag_u	20.166	mag	(i) [4/35] PSF magnitude in u band (psfMag_u) (Note 4)   (phot.mag;em.opt.U) (PHOT_SDSS_U)
psfMag_g	19.134	mag	[3.7/37] PSF magnitude in g band (psfMag_g) (Note 4)   (phot.mag;em.opt.B) (PHOT_SDSS_G)
psfMag_r	19.027	mag	[3.8/36] PSF magnitude in r band (psfMag_r) (Note 4)   (phot.mag;em.opt.R) (PHOT_SDSS_R)
psfMag_i	18.983	mag	[2.6/34] PSF magnitude in i band (psfMag_i) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_I)
psfMag_z	18.992	mag	[3.8/33.3] PSF magnitude in z band (psfMag_z) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_Z)
psfMagErr_u	0.048	mag	[1.5e-5/100] Mean error on upmag (psfMagErr_u) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_g	0.018	mag	Mean error on gpmag (psfMagErr_g) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_r	0.019	mag	Mean error on rpmag (psfMagErr_r) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_i	0.020	mag	Mean error on ipmag (psfMagErr_i) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_z	0.051	mag	Mean error on zpmag (psfMagErr_z) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMag_u	20.194	mag	[-0.4/47.2] Petrosian magnitude in u band (petroMag_u) (Note 4)   (phot.mag;em.opt.U) (PHOT_SDSS_U)
petroMag_g	19.167	mag	[3.7/48] Petrosian magnitude in g band (petroMag_g) (Note 4)   (phot.mag;em.opt.B) (PHOT_SDSS_G)
petroMag_r	19.079	mag	[1.3/48.6] Petrosian magnitude in r band (petroMag_r) (Note 4)   (phot.mag;em.opt.R) (PHOT_SDSS_R)
petroMag_i	19.020	mag	[2.6/48.4] Petrosian magnitude in i band (petroMag_i) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_I)
petroMag_z	19.098	mag	[-2.9/45.1] Petrosian magnitude in z band (petroMag_z) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_Z)
petroMagErr_u	0.084	mag	[1e-7/100] Mean error in uPmag (petroMagErr_u) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_g	0.015	mag	[9.1e-9/100] Mean error in gPmag (petroMagErr_g) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_r	0.021	mag	Mean error in rPmag (petroMagErr_r) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_i	0.029	mag	Mean error in iPmag (petroMagErr_i) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_z	0.126	mag	Mean error in zPmag (petroMagErr_z) (Note 4)   (stat.error;phot.mag) (ERROR)
petroRad_u	1.615	arcsec	[1.2e-6/261] Petrosian radius in u band (petroRad_u) (phys.angSize;src) (EXTENSION_RAD)
petroRad_g	1.392	arcsec	[2.3e-6/261] Petrosian radius in g band (petroRad_g) (phys.angSize;src) (EXTENSION_RAD)
petroRad_r	1.478	arcsec	[4.9e-6/260] Petrosian radius in r band (petroRad_r) (phys.angSize;src) (EXTENSION_RAD)
petroRad_i	5.886	arcsec	[2.2e-6/263] Petrosian radius in i band (petroRad_i) (phys.angSize;src) (EXTENSION_RAD)
petroRad_z	1.173	arcsec	[8.3e-7/261] Petrosian radius in z band (petroRad_z) (phys.angSize;src) (EXTENSION_RAD)
petroRadErr_u	1.111	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_u) (stat.error) (ERROR)
petroRadErr_g	0.021	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_g) (stat.error) (ERROR)
petroRadErr_r	0.044	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_r) (stat.error) (ERROR)
petroRadErr_i	0.402	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_i) (stat.error) (ERROR)
petroRadErr_z	0.136	arcsec	[-1000/257] Mean error in rPrad (petroRadErr_z) (stat.error) (ERROR)
deVRad_u	0.205	arcsec	[0/257] De Vaucouleurs fit radius u band (deVRad_u) (phys.angSize;src) (EXTENSION_RAD)
deVRad_g	0.097	arcsec	[0/238] De Vaucouleurs fit radius g band (deVRad_g) (phys.angSize;src) (EXTENSION_RAD)
deVRad_r	0.079	arcsec	[0/238] De Vaucouleurs fit radius r band (deVRad_r) (phys.angSize;src) (EXTENSION_RAD)
deVRad_i	0.000	arcsec	[0/232] De Vaucouleurs fit radius i band (deVRad_i) (phys.angSize;src) (EXTENSION_RAD)
deVRad_z	0.062	arcsec	[0/238] De Vaucouleurs fit radius z band (deVRad_z) (phys.angSize;src) (EXTENSION_RAD)
deVAB_u	0.050		[0.05/1] De Vaucouleurs fit b/a u band (deVAB_u) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_g	0.200		[0.05/1] De Vaucouleurs fit b/a g band (deVAB_g) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_r	0.443		[0.05/1] De Vaucouleurs fit b/a r band (deVAB_r) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_i	0.505		[0.05/1] De Vaucouleurs fit b/a i band (deVAB_i) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_z	0.150		[0.05/1] De Vaucouleurs fit b/a z band (deVAB_z) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVPhi_u	159.5	deg	[-10105/271] Position angle of dVrad in u band (deVPhi_u) (pos.posAng) (POS_POS-ANG)
deVPhi_g	63.3	deg	[-10105/271] Position angle of dVrad in g band (deVPhi_g) (pos.posAng) (POS_POS-ANG)
deVPhi_r	170.2	deg	[-10105/271] Position angle of dVrad in r band (deVPhi_r) (pos.posAng) (POS_POS-ANG)
deVPhi_i	70.8	deg	[-10105/271] Position angle of dVrad in i band (deVPhi_i) (pos.posAng) (POS_POS-ANG)
deVPhi_z	74.6	deg	[-10105/271] Position angle of dVrad in z band (deVPhi_z) (pos.posAng) (POS_POS-ANG)
flags_u	275280593408		Detection flags u band (flags_u) (Note 3)   (meta.code) (CODE_MISC)
flags_g	268468224		Detection flags g band (flags_g) (Note 3)   (meta.code) (CODE_MISC)
flags_r	4503599895838720		Detection flags r band (flags_r) (Note 3)   (meta.code) (CODE_MISC)
flags_i	275297501696		Detection flags i band (flags_i) (Note 3)   (meta.code) (CODE_MISC)
flags_z	275297370112		Detection flags z band (flags_z) (Note 3)   (meta.code) (CODE_MISC)
type_u	6		[0/8] Phototype in u band (6=Star ; 3=galaxy) (type_u) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_g	6		[0/8] Phototype in i band (6=Star ; 3=galaxy) (type_g) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_r	6		[0/8] Phototype in r band (6=Star ; 3=galaxy) (type_r) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_i	6		[0/8] Phototype in i band (6=Star ; 3=galaxy) (type_i) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_z	6		[0/8] Phototype in z band (6=Star ; 3=galaxy) (type_z) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_u	1.0		[0/1] 0=notStar 1=Star in u band (probPSF_u) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_g	1.0		[0/1] 0=notStar 1=Star in g band (probPSF_g) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_r	1.0		[0/1] 0=notStar 1=Star in r band (probPSF_r) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_i	1.0		[0/1] 0=notStar 1=Star in i band (probPSF_i) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_z	1.0		[0/1] 0=notStar 1=Star in z band (probPSF_z) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
raErr	0.008	arcsec	[0/51703] Mean error on RAdeg (raErr) (stat.error;pos.eq.ra) (ERROR)
decErr	0.008	arcsec	[0/22795] Mean error on DEdeg (decErr) (stat.error;pos.eq.dec) (ERROR)
offsetRa_u	0.03	arcsec	Offset of u position along RA (offsetRa_u) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_g	0.03	arcsec	Offset of g position along RA (offsetRa_g) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_r	0.00	arcsec	Offset of r position along RA (offsetRa_r) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_i	0.03	arcsec	Offset of i position along RA (offsetRa_i) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_z	0.04	arcsec	Offset of z position along RA (offsetRa_z) (pos.angDistance) (POS_EQ_RA_OFF)
offsetDec_u	-0.04	arcsec	Offset of u position along Dec (offsetDec_u) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_g	0.02	arcsec	Offset of g position along Dec (offsetDec_g) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_r	0.00	arcsec	Offset of r position along Dec (offsetDec_r) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_i	-0.03	arcsec	Offset of i position along Dec (offsetDec_i) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_z	-0.04	arcsec	Offset of z position along Dec (offsetDec_z) (pos.angDistance) (POS_EQ_DEC_OFF)
parentID	1237660008403894404		Pointer to parent (if object deblended) (meta.id.parent) (ID_PARENT)
specObjID	0		(i) Pointer to the spectrum of object or 0 (specObjID) (Note 6)   (meta.id) (ID_ALTERNATIVE)
u	20.165	mag	(i) [4/37.3] Model magnitude in u filter AB scale (u) (Note 7)   (phot.mag;em.opt.U) (PHOT_SDSS_U)
g	19.121	mag	(i) [3.7/39.6] Model magnitude in g filter AB scale (g) (Note 7)   (phot.mag;em.opt.B) (PHOT_SDSS_G)
r	19.012	mag	(i) [3.8/40.4] Model magnitude in r filter AB scale (r) (Note 7)   (phot.mag;em.opt.R) (PHOT_SDSS_R)
i	18.975	mag	(i) [2.6/39.5] Model magnitude in i filter AB scale (i) (Note 7)   (phot.mag;em.opt.I) (PHOT_SDSS_I)
z	18.986	mag	(i) [3.5/37.2] Model magnitude in z filter AB scale (z) (Note 7)   (phot.mag;em.opt.I) (PHOT_SDSS_Z)
err_u	0.052	mag	[8.9e-8/3444] Mean error on umag (err_u) (stat.error;phot.mag) (ERROR)
err_g	0.010	mag	[3.8e-8/5955] Mean error on gmag (err_g) (stat.error;phot.mag) (ERROR)
err_r	0.013	mag	[5.2e-8/915] Mean error on rmag (err_r) (stat.error;phot.mag) (ERROR)
err_i	0.015	mag	[0/634] Mean error on imag (err_i) (stat.error;phot.mag) (ERROR)
err_z	0.050	mag	[9.4e-8/3529] Mean error on zmag (err_z) (stat.error;phot.mag) (ERROR)
resolveStatus	1025		[0/4145] Decimal status (resolveStatus) (Note 5)   (meta.code) (CODE_MISC)
spec_instrument			Spectral instrument used ("SDSS" or "BOSS") (spec_instrument) (Note 6)   (meta.id;instr) (INST_ID)
spec_sourceType			Source type (spec_sourceType) (6) (Note 8)   (src.class) (CLASS_OBJECT)
spec_z			(i) [-0.012/7.06] Spectroscopic final redshift (when SpObjID>0) (spec_z) (Note 6)   (src.redshift) (REDSHIFT_HC)
spec_zErr			[-6/30689] Mean error on zsp (negative for bad fit) (spec_zErr) (Note 6)   (stat.error) (ERROR)
spec_zWarning			[0/902] Zwarning flag (spec_zWarning) (6) (Note 9)   (meta.code) (CODE_MISC)
spec_class			Spectroscopic class: "GALAXY"; "QSO"; "STAR" (spec_class) (Note 6)   (meta.code.class;pos.parallax.spect) (CLASS_STAR/GALAXY)
spec_subClass			Spectroscopic subclass (spec_subClass) (6) (Note 10)   (src.class) (CLASS_OBJECT)
spec_velDisp		km/s	[0/850] Velocity dispersion (spec_velDisp) (Note 6)   (phys.veloc.dispersion) (VELOC_DISP)
spec_velDispErr		km/s	[-7/4526] Mean error on Vdisp (spec_velDispErr) (Note 6)   (stat.error) (ERROR)
spec_snMedian			[-1927/132] Median signal-to-noise over all good pixels (spec_snMedian) (Note 6)   (em.wl.central;stat.median) (INST_S/N)
pm_match	1		[0/4] Number of USNO-B objects matched within 1arcsec (pm_match) (Note 11)   (meta.number) (NUMBER)
pm_pmRa	-3.08	mas/yr	[-6121/5519] Proper motion along Right Ascension (pm_pmRa) (Note 11)   (pos.pm;pos.eq.ra) (POS_EQ_PMRA)
pm_pmDec	-3.10	mas/yr	[-4846/4437] Proper motion along Declination (pm_pmDec) (Note 11)   (pos.pm;pos.eq.dec) (POS_EQ_PMDEC)
pm_pmRaErr	3.24	mas/yr	[0/4709] Mean error on pmRA (pm_pmRaErr) (Note 11)   (stat.error;pos.pm;pos.eq.ra) (ERROR)
pm_pmDecErr	3.24	mas/yr	[0/4709] Mean error on pmDE (pm_pmDecErr) (Note 11)   (stat.error;pos.pm;pos.eq.dec) (ERROR)
pm_sigRa	120.97	mas	[0/8662] RMS residual of proper motion fit in RA (pm_sigRa) (Note 11)   (stat.fit.residual) (FIT_RESIDUAL)
pm_sigDec	184.55	mas	[0/10625] RMS residual of proper motion fit in Dec (pm_sigDec) (Note 11)   (stat.fit.residual) (FIT_RESIDUAL)
pm_nFit	5		[0/6] Number of detections used in the pm fit including SDSS (pm_nFit) (Note 11)   (meta.number) (NUMBER)
pm_O	18.9		[-214740/70189] Magnitude from USNO-B O plate recalibrated to SDSS g (pm_O) (Note 11)   (phot.mag;em.opt.B) (PHOT_PHG_B)
pm_E	19.0		Magnitude from E plate recalibrated to SDSS r (pm_E) (Note 11)   (phot.mag;em.opt.R) (PHOT_PHG_R)
pm_J	19.2		Magnitude from J plate recalibrated to SDSS g (pm_J) (Note 11)   (phot.mag;em.opt.B) (PHOT_PHG_B)
pm_F	19.0		Magnitude from F plate recalibrated to SDSS r (pm_F) (Note 11)   (phot.mag;em.opt.R) (PHOT_PHG_R)
pm_N	0.0		Magnitude from N plate recalibrated to SDSS i (pm_N) (Note 11)   (phot.mag;em.opt.I) (PHOT_PHG_I)
photoz_z			(i) [5e-4/1] Photometric redshift estimated by robust fit to nearest neighbors in a reference set (photoz_z) (Note 12)   (src.redshift) (REDSHIFT_PHOT)
photoz_zErr			[0.003/0.3] Estimated error of the photometric redshift (photoz_zErr) (Note 12)   (stat.error) (ERROR)
photoz_nnAvgZ			[0.009/0.9] Average redshift of the nearest neighbors; if significantly different from zph this might be a better estimate than zph (photoz_nnAvgZ) (Note 12)   (src.redshift.phot) (REDSHIFT_PHOT)
photoz_chisq			[2e-12/6.3e7] Chi-square value for the minimum chi-square template fit (photoz_chisq) (Note 12)   (stat.value) (FIT_CHI2)
field_quality	3		[1/3] Quality of the observation: 1=bad; 2=barely acceptable; 3=good (field_quality) (Note 13)   (meta.code.qual;obs.param;obs) (CODE_QUALITY)
field_mjd_u	52557.3253	d	Date of observation in u band (field_mjd_u) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_g	52557.3270	d	Date of observation in g band (field_mjd_g) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_r	52557.3237	d	Date of observation in r band (field_mjd_r) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_i	52557.3245	d	Date of observation in i band (field_mjd_i) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_z	52557.3262	d	Date of observation in z band (field_mjd_z) (Note 13)   (time.epoch) (TIME_DATE)
SDSS16	SDSS J002716.16-000240.3		(i) SDSS-DR16 name based on J2000 position; provided by CDS (meta.id) (ID_ALTERNATIVE)
SDSS-ID	3384-301-3-0415-0133		(i) SDSS object identifier (run-rerun-camcol-field-object) (Note 1)   (meta.id) (ID_ALTERNATIVE)
Sp-ID			(i) Spectroscopic Plate-MJD-Fiber identifier (plate-mjd-fiberID) (meta.id) (ID_ALTERNATIVE)
MJD	52557.3253	d	Mean observation date (average calculated by CDS from the uMJD, gMJD, rMJD, iMJD, zMJD) (time.epoch) (TIME_DATE)

Column	Value		Explain   (UCD)
_r	0.074	arcsec	Distance from center (006.817346-00.044534)[ICRS], at Epoch of catalog (MJD) (pos.angDistance) (POS_ANG_DIST_GENERAL)
_RAJ2000	00 27 16.16253	"h:m:s"	Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra) (POS_EQ_RA)
_DEJ2000	-00 02 40.3960	"d:m:s"	Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_RAB1950	00 24 42.42545	"h:m:s"	Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra) (POS_EQ_RA)
_DEB1950	-00 19 16.2421	"d:m:s"	Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_Glon	109.84397071	deg	Galactic longitude at Epoch=J0. (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lon) (POS_GAL_LON)
_Glat	-62.30057480	deg	Galactic latitude at Epoch=J0. (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lat) (POS_GAL_LAT)
objID	1237666498077655158		(i) SDSS unique object identifier (1) (links to online SDSS-DR16 data) (Note)   (meta.id;meta.main) (ID_MAIN)
ra	006.817344	deg	(i) Right Ascension of the object (ICRS) at Epoch="MJD" (ra) (pos.eq.ra;meta.main) (POS_EQ_RA_MAIN)
dec	-00.044554	deg	(i) Declination of the object (ICRS) at Epoch="MJD" (dec) (pos.eq.dec;meta.main) (POS_EQ_DEC_MAIN)
fieldID	1237666498077655040		The field this object is in (meta.note) (ID_FIELD)
mode	3		[1/4] PhotoMode (1=primary, 2=secondary, 3=family, 4=outside) (meta.code.class) (CLASS_CODE)
type	6		[0/8] Type of object (3=galaxy, 6=star) (type) (Note 2)   (src.class) (CLASS_OBJECT)
clean	0		[0/1] Clean photometry flag (1=clean; 0=unclean) (meta.code) (CODE_MISC)
flags	68987912194		Photo Object Attribute flags (Note 3)   (meta.code.error) (CODE_MISC)
psfMag_u	20.051	mag	(i) [4/35] PSF magnitude in u band (psfMag_u) (Note 4)   (phot.mag;em.opt.U) (PHOT_SDSS_U)
psfMag_g	19.117	mag	[3.7/37] PSF magnitude in g band (psfMag_g) (Note 4)   (phot.mag;em.opt.B) (PHOT_SDSS_G)
psfMag_r	18.958	mag	[3.8/36] PSF magnitude in r band (psfMag_r) (Note 4)   (phot.mag;em.opt.R) (PHOT_SDSS_R)
psfMag_i	19.016	mag	[2.6/34] PSF magnitude in i band (psfMag_i) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_I)
psfMag_z	19.062	mag	[3.8/33.3] PSF magnitude in z band (psfMag_z) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_Z)
psfMagErr_u	0.048	mag	[1.5e-5/100] Mean error on upmag (psfMagErr_u) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_g	0.021	mag	Mean error on gpmag (psfMagErr_g) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_r	0.024	mag	Mean error on rpmag (psfMagErr_r) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_i	0.019	mag	Mean error on ipmag (psfMagErr_i) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_z	0.051	mag	Mean error on zpmag (psfMagErr_z) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMag_u	20.082	mag	[-0.4/47.2] Petrosian magnitude in u band (petroMag_u) (Note 4)   (phot.mag;em.opt.U) (PHOT_SDSS_U)
petroMag_g	19.176	mag	[3.7/48] Petrosian magnitude in g band (petroMag_g) (Note 4)   (phot.mag;em.opt.B) (PHOT_SDSS_G)
petroMag_r	19.024	mag	[1.3/48.6] Petrosian magnitude in r band (petroMag_r) (Note 4)   (phot.mag;em.opt.R) (PHOT_SDSS_R)
petroMag_i	19.027	mag	[2.6/48.4] Petrosian magnitude in i band (petroMag_i) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_I)
petroMag_z	18.961	mag	[-2.9/45.1] Petrosian magnitude in z band (petroMag_z) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_Z)
petroMagErr_u	0.060	mag	[1e-7/100] Mean error in uPmag (petroMagErr_u) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_g	0.014	mag	[9.1e-9/100] Mean error in gPmag (petroMagErr_g) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_r	0.017	mag	Mean error in rPmag (petroMagErr_r) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_i	0.024	mag	Mean error in iPmag (petroMagErr_i) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_z	0.084	mag	Mean error in zPmag (petroMagErr_z) (Note 4)   (stat.error;phot.mag) (ERROR)
petroRad_u	1.665	arcsec	[1.2e-6/261] Petrosian radius in u band (petroRad_u) (phys.angSize;src) (EXTENSION_RAD)
petroRad_g	1.944	arcsec	[2.3e-6/261] Petrosian radius in g band (petroRad_g) (phys.angSize;src) (EXTENSION_RAD)
petroRad_r	1.366	arcsec	[4.9e-6/260] Petrosian radius in r band (petroRad_r) (phys.angSize;src) (EXTENSION_RAD)
petroRad_i	1.390	arcsec	[2.2e-6/263] Petrosian radius in i band (petroRad_i) (phys.angSize;src) (EXTENSION_RAD)
petroRad_z	1.870	arcsec	[8.3e-7/261] Petrosian radius in z band (petroRad_z) (phys.angSize;src) (EXTENSION_RAD)
petroRadErr_u	0.132	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_u) (stat.error) (ERROR)
petroRadErr_g	0.030	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_g) (stat.error) (ERROR)
petroRadErr_r	0.031	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_r) (stat.error) (ERROR)
petroRadErr_i	0.054	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_i) (stat.error) (ERROR)
petroRadErr_z	0.487	arcsec	[-1000/257] Mean error in rPrad (petroRadErr_z) (stat.error) (ERROR)
deVRad_u	0.129	arcsec	[0/257] De Vaucouleurs fit radius u band (deVRad_u) (phys.angSize;src) (EXTENSION_RAD)
deVRad_g	0.081	arcsec	[0/238] De Vaucouleurs fit radius g band (deVRad_g) (phys.angSize;src) (EXTENSION_RAD)
deVRad_r	0.000	arcsec	[0/238] De Vaucouleurs fit radius r band (deVRad_r) (phys.angSize;src) (EXTENSION_RAD)
deVRad_i	0.018	arcsec	[0/232] De Vaucouleurs fit radius i band (deVRad_i) (phys.angSize;src) (EXTENSION_RAD)
deVRad_z	0.245	arcsec	[0/238] De Vaucouleurs fit radius z band (deVRad_z) (phys.angSize;src) (EXTENSION_RAD)
deVAB_u	0.090		[0.05/1] De Vaucouleurs fit b/a u band (deVAB_u) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_g	0.400		[0.05/1] De Vaucouleurs fit b/a g band (deVAB_g) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_r	0.673		[0.05/1] De Vaucouleurs fit b/a r band (deVAB_r) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_i	0.879		[0.05/1] De Vaucouleurs fit b/a i band (deVAB_i) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_z	0.239		[0.05/1] De Vaucouleurs fit b/a z band (deVAB_z) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVPhi_u	28.3	deg	[-10105/271] Position angle of dVrad in u band (deVPhi_u) (pos.posAng) (POS_POS-ANG)
deVPhi_g	75.5	deg	[-10105/271] Position angle of dVrad in g band (deVPhi_g) (pos.posAng) (POS_POS-ANG)
deVPhi_r	137.9	deg	[-10105/271] Position angle of dVrad in r band (deVPhi_r) (pos.posAng) (POS_POS-ANG)
deVPhi_i	53.7	deg	[-10105/271] Position angle of dVrad in i band (deVPhi_i) (pos.posAng) (POS_POS-ANG)
deVPhi_z	70.1	deg	[-10105/271] Position angle of dVrad in z band (deVPhi_z) (pos.posAng) (POS_POS-ANG)
flags_u	275297370112		Detection flags u band (flags_u) (Note 3)   (meta.code) (CODE_MISC)
flags_g	275171540994		Detection flags g band (flags_g) (Note 3)   (meta.code) (CODE_MISC)
flags_r	4503874798878722		Detection flags r band (flags_r) (Note 3)   (meta.code) (CODE_MISC)
flags_i	275297370114		Detection flags i band (flags_i) (Note 3)   (meta.code) (CODE_MISC)
flags_z	275297370112		Detection flags z band (flags_z) (Note 3)   (meta.code) (CODE_MISC)
type_u	6		[0/8] Phototype in u band (6=Star ; 3=galaxy) (type_u) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_g	6		[0/8] Phototype in i band (6=Star ; 3=galaxy) (type_g) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_r	6		[0/8] Phototype in r band (6=Star ; 3=galaxy) (type_r) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_i	6		[0/8] Phototype in i band (6=Star ; 3=galaxy) (type_i) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_z	6		[0/8] Phototype in z band (6=Star ; 3=galaxy) (type_z) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_u	1.0		[0/1] 0=notStar 1=Star in u band (probPSF_u) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_g	1.0		[0/1] 0=notStar 1=Star in g band (probPSF_g) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_r	1.0		[0/1] 0=notStar 1=Star in r band (probPSF_r) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_i	1.0		[0/1] 0=notStar 1=Star in i band (probPSF_i) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_z	1.0		[0/1] 0=notStar 1=Star in z band (probPSF_z) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
raErr	0.007	arcsec	[0/51703] Mean error on RAdeg (raErr) (stat.error;pos.eq.ra) (ERROR)
decErr	0.007	arcsec	[0/22795] Mean error on DEdeg (decErr) (stat.error;pos.eq.dec) (ERROR)
offsetRa_u	0.12	arcsec	Offset of u position along RA (offsetRa_u) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_g	0.09	arcsec	Offset of g position along RA (offsetRa_g) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_r	0.00	arcsec	Offset of r position along RA (offsetRa_r) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_i	0.00	arcsec	Offset of i position along RA (offsetRa_i) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_z	-0.03	arcsec	Offset of z position along RA (offsetRa_z) (pos.angDistance) (POS_EQ_RA_OFF)
offsetDec_u	0.05	arcsec	Offset of u position along Dec (offsetDec_u) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_g	0.01	arcsec	Offset of g position along Dec (offsetDec_g) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_r	0.00	arcsec	Offset of r position along Dec (offsetDec_r) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_i	-0.06	arcsec	Offset of i position along Dec (offsetDec_i) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_z	-0.11	arcsec	Offset of z position along Dec (offsetDec_z) (pos.angDistance) (POS_EQ_DEC_OFF)
parentID	0		Pointer to parent (if object deblended) (meta.id.parent) (ID_PARENT)
specObjID	0		(i) Pointer to the spectrum of object or 0 (specObjID) (Note 6)   (meta.id) (ID_ALTERNATIVE)
u	20.060	mag	(i) [4/37.3] Model magnitude in u filter AB scale (u) (Note 7)   (phot.mag;em.opt.U) (PHOT_SDSS_U)
g	19.113	mag	(i) [3.7/39.6] Model magnitude in g filter AB scale (g) (Note 7)   (phot.mag;em.opt.B) (PHOT_SDSS_G)
r	18.969	mag	(i) [3.8/40.4] Model magnitude in r filter AB scale (r) (Note 7)   (phot.mag;em.opt.R) (PHOT_SDSS_R)
i	19.009	mag	(i) [2.6/39.5] Model magnitude in i filter AB scale (i) (Note 7)   (phot.mag;em.opt.I) (PHOT_SDSS_I)
z	19.021	mag	(i) [3.5/37.2] Model magnitude in z filter AB scale (z) (Note 7)   (phot.mag;em.opt.I) (PHOT_SDSS_Z)
err_u	0.044	mag	[8.9e-8/3444] Mean error on umag (err_u) (stat.error;phot.mag) (ERROR)
err_g	0.011	mag	[3.8e-8/5955] Mean error on gmag (err_g) (stat.error;phot.mag) (ERROR)
err_r	0.011	mag	[5.2e-8/915] Mean error on rmag (err_r) (stat.error;phot.mag) (ERROR)
err_i	0.014	mag	[0/634] Mean error on imag (err_i) (stat.error;phot.mag) (ERROR)
err_z	0.051	mag	[9.4e-8/3529] Mean error on zmag (err_z) (stat.error;phot.mag) (ERROR)
resolveStatus	8		[0/4145] Decimal status (resolveStatus) (Note 5)   (meta.code) (CODE_MISC)
spec_instrument			Spectral instrument used ("SDSS" or "BOSS") (spec_instrument) (Note 6)   (meta.id;instr) (INST_ID)
spec_sourceType			Source type (spec_sourceType) (6) (Note 8)   (src.class) (CLASS_OBJECT)
spec_z			(i) [-0.012/7.06] Spectroscopic final redshift (when SpObjID>0) (spec_z) (Note 6)   (src.redshift) (REDSHIFT_HC)
spec_zErr			[-6/30689] Mean error on zsp (negative for bad fit) (spec_zErr) (Note 6)   (stat.error) (ERROR)
spec_zWarning			[0/902] Zwarning flag (spec_zWarning) (6) (Note 9)   (meta.code) (CODE_MISC)
spec_class			Spectroscopic class: "GALAXY"; "QSO"; "STAR" (spec_class) (Note 6)   (meta.code.class;pos.parallax.spect) (CLASS_STAR/GALAXY)
spec_subClass			Spectroscopic subclass (spec_subClass) (6) (Note 10)   (src.class) (CLASS_OBJECT)
spec_velDisp		km/s	[0/850] Velocity dispersion (spec_velDisp) (Note 6)   (phys.veloc.dispersion) (VELOC_DISP)
spec_velDispErr		km/s	[-7/4526] Mean error on Vdisp (spec_velDispErr) (Note 6)   (stat.error) (ERROR)
spec_snMedian			[-1927/132] Median signal-to-noise over all good pixels (spec_snMedian) (Note 6)   (em.wl.central;stat.median) (INST_S/N)
pm_match			[0/4] Number of USNO-B objects matched within 1arcsec (pm_match) (Note 11)   (meta.number) (NUMBER)
pm_pmRa		mas/yr	[-6121/5519] Proper motion along Right Ascension (pm_pmRa) (Note 11)   (pos.pm;pos.eq.ra) (POS_EQ_PMRA)
pm_pmDec		mas/yr	[-4846/4437] Proper motion along Declination (pm_pmDec) (Note 11)   (pos.pm;pos.eq.dec) (POS_EQ_PMDEC)
pm_pmRaErr		mas/yr	[0/4709] Mean error on pmRA (pm_pmRaErr) (Note 11)   (stat.error;pos.pm;pos.eq.ra) (ERROR)
pm_pmDecErr		mas/yr	[0/4709] Mean error on pmDE (pm_pmDecErr) (Note 11)   (stat.error;pos.pm;pos.eq.dec) (ERROR)
pm_sigRa		mas	[0/8662] RMS residual of proper motion fit in RA (pm_sigRa) (Note 11)   (stat.fit.residual) (FIT_RESIDUAL)
pm_sigDec		mas	[0/10625] RMS residual of proper motion fit in Dec (pm_sigDec) (Note 11)   (stat.fit.residual) (FIT_RESIDUAL)
pm_nFit			[0/6] Number of detections used in the pm fit including SDSS (pm_nFit) (Note 11)   (meta.number) (NUMBER)
pm_O			[-214740/70189] Magnitude from USNO-B O plate recalibrated to SDSS g (pm_O) (Note 11)   (phot.mag;em.opt.B) (PHOT_PHG_B)
pm_E			Magnitude from E plate recalibrated to SDSS r (pm_E) (Note 11)   (phot.mag;em.opt.R) (PHOT_PHG_R)
pm_J			Magnitude from J plate recalibrated to SDSS g (pm_J) (Note 11)   (phot.mag;em.opt.B) (PHOT_PHG_B)
pm_F			Magnitude from F plate recalibrated to SDSS r (pm_F) (Note 11)   (phot.mag;em.opt.R) (PHOT_PHG_R)
pm_N			Magnitude from N plate recalibrated to SDSS i (pm_N) (Note 11)   (phot.mag;em.opt.I) (PHOT_PHG_I)
photoz_z			(i) [5e-4/1] Photometric redshift estimated by robust fit to nearest neighbors in a reference set (photoz_z) (Note 12)   (src.redshift) (REDSHIFT_PHOT)
photoz_zErr			[0.003/0.3] Estimated error of the photometric redshift (photoz_zErr) (Note 12)   (stat.error) (ERROR)
photoz_nnAvgZ			[0.009/0.9] Average redshift of the nearest neighbors; if significantly different from zph this might be a better estimate than zph (photoz_nnAvgZ) (Note 12)   (src.redshift.phot) (REDSHIFT_PHOT)
photoz_chisq			[2e-12/6.3e7] Chi-square value for the minimum chi-square template fit (photoz_chisq) (Note 12)   (stat.value) (FIT_CHI2)
field_quality	1		[1/3] Quality of the observation: 1=bad; 2=barely acceptable; 3=good (field_quality) (Note 13)   (meta.code.qual;obs.param;obs) (CODE_QUALITY)
field_mjd_u	53294.3179	d	Date of observation in u band (field_mjd_u) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_g	53294.3195	d	Date of observation in g band (field_mjd_g) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_r	53294.3162	d	Date of observation in r band (field_mjd_r) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_i	53294.3170	d	Date of observation in i band (field_mjd_i) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_z	53294.3187	d	Date of observation in z band (field_mjd_z) (Note 13)   (time.epoch) (TIME_DATE)
SDSS16	SDSS J002716.16-000240.3		(i) SDSS-DR16 name based on J2000 position; provided by CDS (meta.id) (ID_ALTERNATIVE)
SDSS-ID	4895-301-3-0082-0118		(i) SDSS object identifier (run-rerun-camcol-field-object) (Note 1)   (meta.id) (ID_ALTERNATIVE)
Sp-ID			(i) Spectroscopic Plate-MJD-Fiber identifier (plate-mjd-fiberID) (meta.id) (ID_ALTERNATIVE)
MJD	53294.3179	d	Mean observation date (average calculated by CDS from the uMJD, gMJD, rMJD, iMJD, zMJD) (time.epoch) (TIME_DATE)

Column	Value		Explain   (UCD)
_r	0.075	arcsec	Distance from center (006.817346-00.044534)[ICRS], at Epoch of catalog (MJD) (pos.angDistance) (POS_ANG_DIST_GENERAL)
_RAJ2000	00 27 16.16731	"h:m:s"	Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra) (POS_EQ_RA)
_DEJ2000	-00 02 40.3606	"d:m:s"	Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_RAB1950	00 24 42.43023	"h:m:s"	Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra) (POS_EQ_RA)
_DEB1950	-00 19 16.2067	"d:m:s"	Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_Glon	109.84401695	deg	Galactic longitude at Epoch=J0. (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lon) (POS_GAL_LON)
_Glat	-62.30056919	deg	Galactic latitude at Epoch=J0. (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lat) (POS_GAL_LAT)
objID	1237656851586678949		(i) SDSS unique object identifier (1) (links to online SDSS-DR16 data) (Note)   (meta.id;meta.main) (ID_MAIN)
ra	006.817364	deg	(i) Right Ascension of the object (ICRS) at Epoch="MJD" (ra) (pos.eq.ra;meta.main) (POS_EQ_RA_MAIN)
dec	-00.044545	deg	(i) Declination of the object (ICRS) at Epoch="MJD" (dec) (pos.eq.dec;meta.main) (POS_EQ_DEC_MAIN)
fieldID	1237656851586678784		The field this object is in (meta.note) (ID_FIELD)
mode	3		[1/4] PhotoMode (1=primary, 2=secondary, 3=family, 4=outside) (meta.code.class) (CLASS_CODE)
type	6		[0/8] Type of object (3=galaxy, 6=star) (type) (Note 2)   (src.class) (CLASS_OBJECT)
clean	0		[0/1] Clean photometry flag (1=clean; 0=unclean) (meta.code) (CODE_MISC)
flags	281543964623362		Photo Object Attribute flags (Note 3)   (meta.code.error) (CODE_MISC)
psfMag_u	20.075	mag	(i) [4/35] PSF magnitude in u band (psfMag_u) (Note 4)   (phot.mag;em.opt.U) (PHOT_SDSS_U)
psfMag_g	19.172	mag	[3.7/37] PSF magnitude in g band (psfMag_g) (Note 4)   (phot.mag;em.opt.B) (PHOT_SDSS_G)
psfMag_r	18.997	mag	[3.8/36] PSF magnitude in r band (psfMag_r) (Note 4)   (phot.mag;em.opt.R) (PHOT_SDSS_R)
psfMag_i	18.978	mag	[2.6/34] PSF magnitude in i band (psfMag_i) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_I)
psfMag_z	19.039	mag	[3.8/33.3] PSF magnitude in z band (psfMag_z) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_Z)
psfMagErr_u	0.043	mag	[1.5e-5/100] Mean error on upmag (psfMagErr_u) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_g	0.016	mag	Mean error on gpmag (psfMagErr_g) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_r	0.016	mag	Mean error on rpmag (psfMagErr_r) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_i	0.025	mag	Mean error on ipmag (psfMagErr_i) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_z	0.047	mag	Mean error on zpmag (psfMagErr_z) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMag_u	20.042	mag	[-0.4/47.2] Petrosian magnitude in u band (petroMag_u) (Note 4)   (phot.mag;em.opt.U) (PHOT_SDSS_U)
petroMag_g	19.188	mag	[3.7/48] Petrosian magnitude in g band (petroMag_g) (Note 4)   (phot.mag;em.opt.B) (PHOT_SDSS_G)
petroMag_r	19.049	mag	[1.3/48.6] Petrosian magnitude in r band (petroMag_r) (Note 4)   (phot.mag;em.opt.R) (PHOT_SDSS_R)
petroMag_i	19.071	mag	[2.6/48.4] Petrosian magnitude in i band (petroMag_i) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_I)
petroMag_z	19.048	mag	[-2.9/45.1] Petrosian magnitude in z band (petroMag_z) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_Z)
petroMagErr_u	0.054	mag	[1e-7/100] Mean error in uPmag (petroMagErr_u) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_g	0.012	mag	[9.1e-9/100] Mean error in gPmag (petroMagErr_g) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_r	0.014	mag	Mean error in rPmag (petroMagErr_r) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_i	0.021	mag	Mean error in iPmag (petroMagErr_i) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_z	0.083	mag	Mean error in zPmag (petroMagErr_z) (Note 4)   (stat.error;phot.mag) (ERROR)
petroRad_u	2.479	arcsec	[1.2e-6/261] Petrosian radius in u band (petroRad_u) (phys.angSize;src) (EXTENSION_RAD)
petroRad_g	1.498	arcsec	[2.3e-6/261] Petrosian radius in g band (petroRad_g) (phys.angSize;src) (EXTENSION_RAD)
petroRad_r	1.044	arcsec	[4.9e-6/260] Petrosian radius in r band (petroRad_r) (phys.angSize;src) (EXTENSION_RAD)
petroRad_i	23.441	arcsec	[2.2e-6/263] Petrosian radius in i band (petroRad_i) (phys.angSize;src) (EXTENSION_RAD)
petroRad_z	1.249	arcsec	[8.3e-7/261] Petrosian radius in z band (petroRad_z) (phys.angSize;src) (EXTENSION_RAD)
petroRadErr_u	0.625	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_u) (stat.error) (ERROR)
petroRadErr_g	0.024	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_g) (stat.error) (ERROR)
petroRadErr_r	0.021	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_r) (stat.error) (ERROR)
petroRadErr_i	0.028	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_i) (stat.error) (ERROR)
petroRadErr_z	1.009	arcsec	[-1000/257] Mean error in rPrad (petroRadErr_z) (stat.error) (ERROR)
deVRad_u	0.306	arcsec	[0/257] De Vaucouleurs fit radius u band (deVRad_u) (phys.angSize;src) (EXTENSION_RAD)
deVRad_g	0.123	arcsec	[0/238] De Vaucouleurs fit radius g band (deVRad_g) (phys.angSize;src) (EXTENSION_RAD)
deVRad_r	0.033	arcsec	[0/238] De Vaucouleurs fit radius r band (deVRad_r) (phys.angSize;src) (EXTENSION_RAD)
deVRad_i	0.000	arcsec	[0/232] De Vaucouleurs fit radius i band (deVRad_i) (phys.angSize;src) (EXTENSION_RAD)
deVRad_z	0.033	arcsec	[0/238] De Vaucouleurs fit radius z band (deVRad_z) (phys.angSize;src) (EXTENSION_RAD)
deVAB_u	0.150		[0.05/1] De Vaucouleurs fit b/a u band (deVAB_u) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_g	0.894		[0.05/1] De Vaucouleurs fit b/a g band (deVAB_g) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_r	0.100		[0.05/1] De Vaucouleurs fit b/a r band (deVAB_r) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_i	0.275		[0.05/1] De Vaucouleurs fit b/a i band (deVAB_i) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_z	0.400		[0.05/1] De Vaucouleurs fit b/a z band (deVAB_z) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVPhi_u	87.2	deg	[-10105/271] Position angle of dVrad in u band (deVPhi_u) (pos.posAng) (POS_POS-ANG)
deVPhi_g	76.3	deg	[-10105/271] Position angle of dVrad in g band (deVPhi_g) (pos.posAng) (POS_POS-ANG)
deVPhi_r	104.8	deg	[-10105/271] Position angle of dVrad in r band (deVPhi_r) (pos.posAng) (POS_POS-ANG)
deVPhi_i	49.5	deg	[-10105/271] Position angle of dVrad in i band (deVPhi_i) (pos.posAng) (POS_POS-ANG)
deVPhi_z	106.7	deg	[-10105/271] Position angle of dVrad in z band (deVPhi_z) (pos.posAng) (POS_POS-ANG)
flags_u	275280592896		Detection flags u band (flags_u) (Note 3)   (meta.code) (CODE_MISC)
flags_g	275146375170		Detection flags g band (flags_g) (Note 3)   (meta.code) (CODE_MISC)
flags_r	4503874773745666		Detection flags r band (flags_r) (Note 3)   (meta.code) (CODE_MISC)
flags_i	275297337856		Detection flags i band (flags_i) (Note 3)   (meta.code) (CODE_MISC)
flags_z	275280592896		Detection flags z band (flags_z) (Note 3)   (meta.code) (CODE_MISC)
type_u	6		[0/8] Phototype in u band (6=Star ; 3=galaxy) (type_u) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_g	6		[0/8] Phototype in i band (6=Star ; 3=galaxy) (type_g) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_r	6		[0/8] Phototype in r band (6=Star ; 3=galaxy) (type_r) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_i	6		[0/8] Phototype in i band (6=Star ; 3=galaxy) (type_i) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_z	6		[0/8] Phototype in z band (6=Star ; 3=galaxy) (type_z) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_u	1.0		[0/1] 0=notStar 1=Star in u band (probPSF_u) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_g	1.0		[0/1] 0=notStar 1=Star in g band (probPSF_g) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_r	1.0		[0/1] 0=notStar 1=Star in r band (probPSF_r) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_i	1.0		[0/1] 0=notStar 1=Star in i band (probPSF_i) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_z	1.0		[0/1] 0=notStar 1=Star in z band (probPSF_z) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
raErr	0.005	arcsec	[0/51703] Mean error on RAdeg (raErr) (stat.error;pos.eq.ra) (ERROR)
decErr	0.005	arcsec	[0/22795] Mean error on DEdeg (decErr) (stat.error;pos.eq.dec) (ERROR)
offsetRa_u	0.01	arcsec	Offset of u position along RA (offsetRa_u) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_g	0.03	arcsec	Offset of g position along RA (offsetRa_g) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_r	0.00	arcsec	Offset of r position along RA (offsetRa_r) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_i	-0.02	arcsec	Offset of i position along RA (offsetRa_i) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_z	0.01	arcsec	Offset of z position along RA (offsetRa_z) (pos.angDistance) (POS_EQ_RA_OFF)
offsetDec_u	-0.01	arcsec	Offset of u position along Dec (offsetDec_u) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_g	0.04	arcsec	Offset of g position along Dec (offsetDec_g) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_r	0.00	arcsec	Offset of r position along Dec (offsetDec_r) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_i	-0.03	arcsec	Offset of i position along Dec (offsetDec_i) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_z	-0.03	arcsec	Offset of z position along Dec (offsetDec_z) (pos.angDistance) (POS_EQ_DEC_OFF)
parentID	0		Pointer to parent (if object deblended) (meta.id.parent) (ID_PARENT)
specObjID	0		(i) Pointer to the spectrum of object or 0 (specObjID) (Note 6)   (meta.id) (ID_ALTERNATIVE)
u	20.048	mag	(i) [4/37.3] Model magnitude in u filter AB scale (u) (Note 7)   (phot.mag;em.opt.U) (PHOT_SDSS_U)
g	19.148	mag	(i) [3.7/39.6] Model magnitude in g filter AB scale (g) (Note 7)   (phot.mag;em.opt.B) (PHOT_SDSS_G)
r	18.996	mag	(i) [3.8/40.4] Model magnitude in r filter AB scale (r) (Note 7)   (phot.mag;em.opt.R) (PHOT_SDSS_R)
i	18.976	mag	(i) [2.6/39.5] Model magnitude in i filter AB scale (i) (Note 7)   (phot.mag;em.opt.I) (PHOT_SDSS_I)
z	19.032	mag	(i) [3.5/37.2] Model magnitude in z filter AB scale (z) (Note 7)   (phot.mag;em.opt.I) (PHOT_SDSS_Z)
err_u	0.045	mag	[8.9e-8/3444] Mean error on umag (err_u) (stat.error;phot.mag) (ERROR)
err_g	0.010	mag	[3.8e-8/5955] Mean error on gmag (err_g) (stat.error;phot.mag) (ERROR)
err_r	0.011	mag	[5.2e-8/915] Mean error on rmag (err_r) (stat.error;phot.mag) (ERROR)
err_i	0.018	mag	[0/634] Mean error on imag (err_i) (stat.error;phot.mag) (ERROR)
err_z	0.049	mag	[9.4e-8/3529] Mean error on zmag (err_z) (stat.error;phot.mag) (ERROR)
resolveStatus	8		[0/4145] Decimal status (resolveStatus) (Note 5)   (meta.code) (CODE_MISC)
spec_instrument			Spectral instrument used ("SDSS" or "BOSS") (spec_instrument) (Note 6)   (meta.id;instr) (INST_ID)
spec_sourceType			Source type (spec_sourceType) (6) (Note 8)   (src.class) (CLASS_OBJECT)
spec_z			(i) [-0.012/7.06] Spectroscopic final redshift (when SpObjID>0) (spec_z) (Note 6)   (src.redshift) (REDSHIFT_HC)
spec_zErr			[-6/30689] Mean error on zsp (negative for bad fit) (spec_zErr) (Note 6)   (stat.error) (ERROR)
spec_zWarning			[0/902] Zwarning flag (spec_zWarning) (6) (Note 9)   (meta.code) (CODE_MISC)
spec_class			Spectroscopic class: "GALAXY"; "QSO"; "STAR" (spec_class) (Note 6)   (meta.code.class;pos.parallax.spect) (CLASS_STAR/GALAXY)
spec_subClass			Spectroscopic subclass (spec_subClass) (6) (Note 10)   (src.class) (CLASS_OBJECT)
spec_velDisp		km/s	[0/850] Velocity dispersion (spec_velDisp) (Note 6)   (phys.veloc.dispersion) (VELOC_DISP)
spec_velDispErr		km/s	[-7/4526] Mean error on Vdisp (spec_velDispErr) (Note 6)   (stat.error) (ERROR)
spec_snMedian			[-1927/132] Median signal-to-noise over all good pixels (spec_snMedian) (Note 6)   (em.wl.central;stat.median) (INST_S/N)
pm_match			[0/4] Number of USNO-B objects matched within 1arcsec (pm_match) (Note 11)   (meta.number) (NUMBER)
pm_pmRa		mas/yr	[-6121/5519] Proper motion along Right Ascension (pm_pmRa) (Note 11)   (pos.pm;pos.eq.ra) (POS_EQ_PMRA)
pm_pmDec		mas/yr	[-4846/4437] Proper motion along Declination (pm_pmDec) (Note 11)   (pos.pm;pos.eq.dec) (POS_EQ_PMDEC)
pm_pmRaErr		mas/yr	[0/4709] Mean error on pmRA (pm_pmRaErr) (Note 11)   (stat.error;pos.pm;pos.eq.ra) (ERROR)
pm_pmDecErr		mas/yr	[0/4709] Mean error on pmDE (pm_pmDecErr) (Note 11)   (stat.error;pos.pm;pos.eq.dec) (ERROR)
pm_sigRa		mas	[0/8662] RMS residual of proper motion fit in RA (pm_sigRa) (Note 11)   (stat.fit.residual) (FIT_RESIDUAL)
pm_sigDec		mas	[0/10625] RMS residual of proper motion fit in Dec (pm_sigDec) (Note 11)   (stat.fit.residual) (FIT_RESIDUAL)
pm_nFit			[0/6] Number of detections used in the pm fit including SDSS (pm_nFit) (Note 11)   (meta.number) (NUMBER)
pm_O			[-214740/70189] Magnitude from USNO-B O plate recalibrated to SDSS g (pm_O) (Note 11)   (phot.mag;em.opt.B) (PHOT_PHG_B)
pm_E			Magnitude from E plate recalibrated to SDSS r (pm_E) (Note 11)   (phot.mag;em.opt.R) (PHOT_PHG_R)
pm_J			Magnitude from J plate recalibrated to SDSS g (pm_J) (Note 11)   (phot.mag;em.opt.B) (PHOT_PHG_B)
pm_F			Magnitude from F plate recalibrated to SDSS r (pm_F) (Note 11)   (phot.mag;em.opt.R) (PHOT_PHG_R)
pm_N			Magnitude from N plate recalibrated to SDSS i (pm_N) (Note 11)   (phot.mag;em.opt.I) (PHOT_PHG_I)
photoz_z			(i) [5e-4/1] Photometric redshift estimated by robust fit to nearest neighbors in a reference set (photoz_z) (Note 12)   (src.redshift) (REDSHIFT_PHOT)
photoz_zErr			[0.003/0.3] Estimated error of the photometric redshift (photoz_zErr) (Note 12)   (stat.error) (ERROR)
photoz_nnAvgZ			[0.009/0.9] Average redshift of the nearest neighbors; if significantly different from zph this might be a better estimate than zph (photoz_nnAvgZ) (Note 12)   (src.redshift.phot) (REDSHIFT_PHOT)
photoz_chisq			[2e-12/6.3e7] Chi-square value for the minimum chi-square template fit (photoz_chisq) (Note 12)   (stat.value) (FIT_CHI2)
field_quality	3		[1/3] Quality of the observation: 1=bad; 2=barely acceptable; 3=good (field_quality) (Note 13)   (meta.code.qual;obs.param;obs) (CODE_QUALITY)
field_mjd_u	52196.3193	d	Date of observation in u band (field_mjd_u) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_g	52196.3210	d	Date of observation in g band (field_mjd_g) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_r	52196.3177	d	Date of observation in r band (field_mjd_r) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_i	52196.3185	d	Date of observation in i band (field_mjd_i) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_z	52196.3201	d	Date of observation in z band (field_mjd_z) (Note 13)   (time.epoch) (TIME_DATE)
SDSS16	SDSS J002716.16-000240.3		(i) SDSS-DR16 name based on J2000 position; provided by CDS (meta.id) (ID_ALTERNATIVE)
SDSS-ID	2649-301-3-0167-0165		(i) SDSS object identifier (run-rerun-camcol-field-object) (Note 1)   (meta.id) (ID_ALTERNATIVE)
Sp-ID			(i) Spectroscopic Plate-MJD-Fiber identifier (plate-mjd-fiberID) (meta.id) (ID_ALTERNATIVE)
MJD	52196.3193	d	Mean observation date (average calculated by CDS from the uMJD, gMJD, rMJD, iMJD, zMJD) (time.epoch) (TIME_DATE)

Column	Value		Explain   (UCD)
_r	0.078	arcsec	Distance from center (006.817346-00.044534)[ICRS], at Epoch of catalog (MJD) (pos.angDistance) (POS_ANG_DIST_GENERAL)
_RAJ2000	00 27 16.16592	"h:m:s"	Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra) (POS_EQ_RA)
_DEJ2000	-00 02 40.2578	"d:m:s"	Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_RAB1950	00 24 42.42884	"h:m:s"	Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra) (POS_EQ_RA)
_DEB1950	-00 19 16.1039	"d:m:s"	Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_Glon	109.84401711	deg	Galactic longitude at Epoch=J0. (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lon) (POS_GAL_LON)
_Glat	-62.30054005	deg	Galactic latitude at Epoch=J0. (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lat) (POS_GAL_LAT)
objID	1237666339184705638		(i) SDSS unique object identifier (1) (links to online SDSS-DR16 data) (Note)   (meta.id;meta.main) (ID_MAIN)
ra	006.817358	deg	(i) Right Ascension of the object (ICRS) at Epoch="MJD" (ra) (pos.eq.ra;meta.main) (POS_EQ_RA_MAIN)
dec	-00.044516	deg	(i) Declination of the object (ICRS) at Epoch="MJD" (dec) (pos.eq.dec;meta.main) (POS_EQ_DEC_MAIN)
fieldID	1237666339184705536		The field this object is in (meta.note) (ID_FIELD)
mode	3		[1/4] PhotoMode (1=primary, 2=secondary, 3=family, 4=outside) (meta.code.class) (CLASS_CODE)
type	6		[0/8] Type of object (3=galaxy, 6=star) (type) (Note 2)   (src.class) (CLASS_OBJECT)
clean	0		[0/1] Clean photometry flag (1=clean; 0=unclean) (meta.code) (CODE_MISC)
flags	281543964754434		Photo Object Attribute flags (Note 3)   (meta.code.error) (CODE_MISC)
psfMag_u	20.088	mag	(i) [4/35] PSF magnitude in u band (psfMag_u) (Note 4)   (phot.mag;em.opt.U) (PHOT_SDSS_U)
psfMag_g	19.139	mag	[3.7/37] PSF magnitude in g band (psfMag_g) (Note 4)   (phot.mag;em.opt.B) (PHOT_SDSS_G)
psfMag_r	19.034	mag	[3.8/36] PSF magnitude in r band (psfMag_r) (Note 4)   (phot.mag;em.opt.R) (PHOT_SDSS_R)
psfMag_i	19.013	mag	[2.6/34] PSF magnitude in i band (psfMag_i) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_I)
psfMag_z	19.002	mag	[3.8/33.3] PSF magnitude in z band (psfMag_z) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_Z)
psfMagErr_u	0.047	mag	[1.5e-5/100] Mean error on upmag (psfMagErr_u) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_g	0.019	mag	Mean error on gpmag (psfMagErr_g) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_r	0.016	mag	Mean error on rpmag (psfMagErr_r) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_i	0.023	mag	Mean error on ipmag (psfMagErr_i) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_z	0.044	mag	Mean error on zpmag (psfMagErr_z) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMag_u	18.614	mag	[-0.4/47.2] Petrosian magnitude in u band (petroMag_u) (Note 4)   (phot.mag;em.opt.U) (PHOT_SDSS_U)
petroMag_g	18.260	mag	[3.7/48] Petrosian magnitude in g band (petroMag_g) (Note 4)   (phot.mag;em.opt.B) (PHOT_SDSS_G)
petroMag_r	18.195	mag	[1.3/48.6] Petrosian magnitude in r band (petroMag_r) (Note 4)   (phot.mag;em.opt.R) (PHOT_SDSS_R)
petroMag_i	18.060	mag	[2.6/48.4] Petrosian magnitude in i band (petroMag_i) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_I)
petroMag_z	17.778	mag	[-2.9/45.1] Petrosian magnitude in z band (petroMag_z) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_Z)
petroMagErr_u	0.331	mag	[1e-7/100] Mean error in uPmag (petroMagErr_u) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_g	0.211	mag	[9.1e-9/100] Mean error in gPmag (petroMagErr_g) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_r	0.266	mag	Mean error in rPmag (petroMagErr_r) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_i	0.336	mag	Mean error in iPmag (petroMagErr_i) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_z	0.403	mag	Mean error in zPmag (petroMagErr_z) (Note 4)   (stat.error;phot.mag) (ERROR)
petroRad_u	1.610	arcsec	[1.2e-6/261] Petrosian radius in u band (petroRad_u) (phys.angSize;src) (EXTENSION_RAD)
petroRad_g	8.859	arcsec	[2.3e-6/261] Petrosian radius in g band (petroRad_g) (phys.angSize;src) (EXTENSION_RAD)
petroRad_r	9.397	arcsec	[4.9e-6/260] Petrosian radius in r band (petroRad_r) (phys.angSize;src) (EXTENSION_RAD)
petroRad_i	9.983	arcsec	[2.2e-6/263] Petrosian radius in i band (petroRad_i) (phys.angSize;src) (EXTENSION_RAD)
petroRad_z	4.020	arcsec	[8.3e-7/261] Petrosian radius in z band (petroRad_z) (phys.angSize;src) (EXTENSION_RAD)
petroRadErr_u	0.290	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_u) (stat.error) (ERROR)
petroRadErr_g	2.002	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_g) (stat.error) (ERROR)
petroRadErr_r	1.731	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_r) (stat.error) (ERROR)
petroRadErr_i	5.433	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_i) (stat.error) (ERROR)
petroRadErr_z	1.074	arcsec	[-1000/257] Mean error in rPrad (petroRadErr_z) (stat.error) (ERROR)
deVRad_u	0.182	arcsec	[0/257] De Vaucouleurs fit radius u band (deVRad_u) (phys.angSize;src) (EXTENSION_RAD)
deVRad_g	0.101	arcsec	[0/238] De Vaucouleurs fit radius g band (deVRad_g) (phys.angSize;src) (EXTENSION_RAD)
deVRad_r	0.067	arcsec	[0/238] De Vaucouleurs fit radius r band (deVRad_r) (phys.angSize;src) (EXTENSION_RAD)
deVRad_i	0.018	arcsec	[0/232] De Vaucouleurs fit radius i band (deVRad_i) (phys.angSize;src) (EXTENSION_RAD)
deVRad_z	0.214	arcsec	[0/238] De Vaucouleurs fit radius z band (deVRad_z) (phys.angSize;src) (EXTENSION_RAD)
deVAB_u	0.067		[0.05/1] De Vaucouleurs fit b/a u band (deVAB_u) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_g	1.000		[0.05/1] De Vaucouleurs fit b/a g band (deVAB_g) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_r	0.999		[0.05/1] De Vaucouleurs fit b/a r band (deVAB_r) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_i	0.585		[0.05/1] De Vaucouleurs fit b/a i band (deVAB_i) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_z	0.364		[0.05/1] De Vaucouleurs fit b/a z band (deVAB_z) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVPhi_u	90.4	deg	[-10105/271] Position angle of dVrad in u band (deVPhi_u) (pos.posAng) (POS_POS-ANG)
deVPhi_g	42.5	deg	[-10105/271] Position angle of dVrad in g band (deVPhi_g) (pos.posAng) (POS_POS-ANG)
deVPhi_r	98.3	deg	[-10105/271] Position angle of dVrad in r band (deVPhi_r) (pos.posAng) (POS_POS-ANG)
deVPhi_i	134.0	deg	[-10105/271] Position angle of dVrad in i band (deVPhi_i) (pos.posAng) (POS_POS-ANG)
deVPhi_z	74.4	deg	[-10105/271] Position angle of dVrad in z band (deVPhi_z) (pos.posAng) (POS_POS-ANG)
flags_u	275297370112		Detection flags u band (flags_u) (Note 3)   (meta.code) (CODE_MISC)
flags_g	275297370626		Detection flags g band (flags_g) (Note 3)   (meta.code) (CODE_MISC)
flags_r	4503874790523394		Detection flags r band (flags_r) (Note 3)   (meta.code) (CODE_MISC)
flags_i	275297501696		Detection flags i band (flags_i) (Note 3)   (meta.code) (CODE_MISC)
flags_z	275297370112		Detection flags z band (flags_z) (Note 3)   (meta.code) (CODE_MISC)
type_u	6		[0/8] Phototype in u band (6=Star ; 3=galaxy) (type_u) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_g	6		[0/8] Phototype in i band (6=Star ; 3=galaxy) (type_g) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_r	6		[0/8] Phototype in r band (6=Star ; 3=galaxy) (type_r) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_i	6		[0/8] Phototype in i band (6=Star ; 3=galaxy) (type_i) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_z	3		[0/8] Phototype in z band (6=Star ; 3=galaxy) (type_z) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_u	1.0		[0/1] 0=notStar 1=Star in u band (probPSF_u) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_g	1.0		[0/1] 0=notStar 1=Star in g band (probPSF_g) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_r	1.0		[0/1] 0=notStar 1=Star in r band (probPSF_r) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_i	1.0		[0/1] 0=notStar 1=Star in i band (probPSF_i) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_z	0.0		[0/1] 0=notStar 1=Star in z band (probPSF_z) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
raErr	0.006	arcsec	[0/51703] Mean error on RAdeg (raErr) (stat.error;pos.eq.ra) (ERROR)
decErr	0.007	arcsec	[0/22795] Mean error on DEdeg (decErr) (stat.error;pos.eq.dec) (ERROR)
offsetRa_u	-0.02	arcsec	Offset of u position along RA (offsetRa_u) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_g	0.04	arcsec	Offset of g position along RA (offsetRa_g) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_r	0.00	arcsec	Offset of r position along RA (offsetRa_r) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_i	0.02	arcsec	Offset of i position along RA (offsetRa_i) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_z	-0.03	arcsec	Offset of z position along RA (offsetRa_z) (pos.angDistance) (POS_EQ_RA_OFF)
offsetDec_u	-0.10	arcsec	Offset of u position along Dec (offsetDec_u) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_g	0.01	arcsec	Offset of g position along Dec (offsetDec_g) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_r	0.00	arcsec	Offset of r position along Dec (offsetDec_r) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_i	0.00	arcsec	Offset of i position along Dec (offsetDec_i) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_z	-0.05	arcsec	Offset of z position along Dec (offsetDec_z) (pos.angDistance) (POS_EQ_DEC_OFF)
parentID	0		Pointer to parent (if object deblended) (meta.id.parent) (ID_PARENT)
specObjID	0		(i) Pointer to the spectrum of object or 0 (specObjID) (Note 6)   (meta.id) (ID_ALTERNATIVE)
u	20.053	mag	(i) [4/37.3] Model magnitude in u filter AB scale (u) (Note 7)   (phot.mag;em.opt.U) (PHOT_SDSS_U)
g	19.108	mag	(i) [3.7/39.6] Model magnitude in g filter AB scale (g) (Note 7)   (phot.mag;em.opt.B) (PHOT_SDSS_G)
r	19.004	mag	(i) [3.8/40.4] Model magnitude in r filter AB scale (r) (Note 7)   (phot.mag;em.opt.R) (PHOT_SDSS_R)
i	18.988	mag	(i) [2.6/39.5] Model magnitude in i filter AB scale (i) (Note 7)   (phot.mag;em.opt.I) (PHOT_SDSS_I)
z	18.921	mag	(i) [3.5/37.2] Model magnitude in z filter AB scale (z) (Note 7)   (phot.mag;em.opt.I) (PHOT_SDSS_Z)
err_u	0.048	mag	[8.9e-8/3444] Mean error on umag (err_u) (stat.error;phot.mag) (ERROR)
err_g	0.012	mag	[3.8e-8/5955] Mean error on gmag (err_g) (stat.error;phot.mag) (ERROR)
err_r	0.012	mag	[5.2e-8/915] Mean error on rmag (err_r) (stat.error;phot.mag) (ERROR)
err_i	0.019	mag	[0/634] Mean error on imag (err_i) (stat.error;phot.mag) (ERROR)
err_z	0.045	mag	[9.4e-8/3529] Mean error on zmag (err_z) (stat.error;phot.mag) (ERROR)
resolveStatus	8		[0/4145] Decimal status (resolveStatus) (Note 5)   (meta.code) (CODE_MISC)
spec_instrument			Spectral instrument used ("SDSS" or "BOSS") (spec_instrument) (Note 6)   (meta.id;instr) (INST_ID)
spec_sourceType			Source type (spec_sourceType) (6) (Note 8)   (src.class) (CLASS_OBJECT)
spec_z			(i) [-0.012/7.06] Spectroscopic final redshift (when SpObjID>0) (spec_z) (Note 6)   (src.redshift) (REDSHIFT_HC)
spec_zErr			[-6/30689] Mean error on zsp (negative for bad fit) (spec_zErr) (Note 6)   (stat.error) (ERROR)
spec_zWarning			[0/902] Zwarning flag (spec_zWarning) (6) (Note 9)   (meta.code) (CODE_MISC)
spec_class			Spectroscopic class: "GALAXY"; "QSO"; "STAR" (spec_class) (Note 6)   (meta.code.class;pos.parallax.spect) (CLASS_STAR/GALAXY)
spec_subClass			Spectroscopic subclass (spec_subClass) (6) (Note 10)   (src.class) (CLASS_OBJECT)
spec_velDisp		km/s	[0/850] Velocity dispersion (spec_velDisp) (Note 6)   (phys.veloc.dispersion) (VELOC_DISP)
spec_velDispErr		km/s	[-7/4526] Mean error on Vdisp (spec_velDispErr) (Note 6)   (stat.error) (ERROR)
spec_snMedian			[-1927/132] Median signal-to-noise over all good pixels (spec_snMedian) (Note 6)   (em.wl.central;stat.median) (INST_S/N)
pm_match			[0/4] Number of USNO-B objects matched within 1arcsec (pm_match) (Note 11)   (meta.number) (NUMBER)
pm_pmRa		mas/yr	[-6121/5519] Proper motion along Right Ascension (pm_pmRa) (Note 11)   (pos.pm;pos.eq.ra) (POS_EQ_PMRA)
pm_pmDec		mas/yr	[-4846/4437] Proper motion along Declination (pm_pmDec) (Note 11)   (pos.pm;pos.eq.dec) (POS_EQ_PMDEC)
pm_pmRaErr		mas/yr	[0/4709] Mean error on pmRA (pm_pmRaErr) (Note 11)   (stat.error;pos.pm;pos.eq.ra) (ERROR)
pm_pmDecErr		mas/yr	[0/4709] Mean error on pmDE (pm_pmDecErr) (Note 11)   (stat.error;pos.pm;pos.eq.dec) (ERROR)
pm_sigRa		mas	[0/8662] RMS residual of proper motion fit in RA (pm_sigRa) (Note 11)   (stat.fit.residual) (FIT_RESIDUAL)
pm_sigDec		mas	[0/10625] RMS residual of proper motion fit in Dec (pm_sigDec) (Note 11)   (stat.fit.residual) (FIT_RESIDUAL)
pm_nFit			[0/6] Number of detections used in the pm fit including SDSS (pm_nFit) (Note 11)   (meta.number) (NUMBER)
pm_O			[-214740/70189] Magnitude from USNO-B O plate recalibrated to SDSS g (pm_O) (Note 11)   (phot.mag;em.opt.B) (PHOT_PHG_B)
pm_E			Magnitude from E plate recalibrated to SDSS r (pm_E) (Note 11)   (phot.mag;em.opt.R) (PHOT_PHG_R)
pm_J			Magnitude from J plate recalibrated to SDSS g (pm_J) (Note 11)   (phot.mag;em.opt.B) (PHOT_PHG_B)
pm_F			Magnitude from F plate recalibrated to SDSS r (pm_F) (Note 11)   (phot.mag;em.opt.R) (PHOT_PHG_R)
pm_N			Magnitude from N plate recalibrated to SDSS i (pm_N) (Note 11)   (phot.mag;em.opt.I) (PHOT_PHG_I)
photoz_z			(i) [5e-4/1] Photometric redshift estimated by robust fit to nearest neighbors in a reference set (photoz_z) (Note 12)   (src.redshift) (REDSHIFT_PHOT)
photoz_zErr			[0.003/0.3] Estimated error of the photometric redshift (photoz_zErr) (Note 12)   (stat.error) (ERROR)
photoz_nnAvgZ			[0.009/0.9] Average redshift of the nearest neighbors; if significantly different from zph this might be a better estimate than zph (photoz_nnAvgZ) (Note 12)   (src.redshift.phot) (REDSHIFT_PHOT)
photoz_chisq			[2e-12/6.3e7] Chi-square value for the minimum chi-square template fit (photoz_chisq) (Note 12)   (stat.value) (FIT_CHI2)
field_quality	3		[1/3] Quality of the observation: 1=bad; 2=barely acceptable; 3=good (field_quality) (Note 13)   (meta.code.qual;obs.param;obs) (CODE_QUALITY)
field_mjd_u	53272.3429	d	Date of observation in u band (field_mjd_u) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_g	53272.3445	d	Date of observation in g band (field_mjd_g) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_r	53272.3412	d	Date of observation in r band (field_mjd_r) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_i	53272.3421	d	Date of observation in i band (field_mjd_i) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_z	53272.3437	d	Date of observation in z band (field_mjd_z) (Note 13)   (time.epoch) (TIME_DATE)
SDSS16	SDSS J002716.16-000240.2		(i) SDSS-DR16 name based on J2000 position; provided by CDS (meta.id) (ID_ALTERNATIVE)
SDSS-ID	4858-301-3-0400-0102		(i) SDSS object identifier (run-rerun-camcol-field-object) (Note 1)   (meta.id) (ID_ALTERNATIVE)
Sp-ID			(i) Spectroscopic Plate-MJD-Fiber identifier (plate-mjd-fiberID) (meta.id) (ID_ALTERNATIVE)
MJD	53272.3429	d	Mean observation date (average calculated by CDS from the uMJD, gMJD, rMJD, iMJD, zMJD) (time.epoch) (TIME_DATE)

Column	Value		Explain   (UCD)
_r	0.080	arcsec	Distance from center (006.817346-00.044534)[ICRS], at Epoch of catalog (MJD) (pos.angDistance) (POS_ANG_DIST_GENERAL)
_RAJ2000	00 27 16.16218	"h:m:s"	Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra) (POS_EQ_RA)
_DEJ2000	-00 02 40.3844	"d:m:s"	Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_RAB1950	00 24 42.43953	"h:m:s"	Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra) (POS_EQ_RA)
_DEB1950	-00 19 16.0684	"d:m:s"	Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_Glon	109.84395789	deg	Galactic longitude at Epoch=J0. (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lon) (POS_GAL_LON)
_Glat	-62.30057378	deg	Galactic latitude at Epoch=J0. (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lat) (POS_GAL_LAT)
objID	1237663504506749146		(i) SDSS unique object identifier (1) (links to online SDSS-DR16 data) (Note)   (meta.id;meta.main) (ID_MAIN)
ra	006.817338	deg	(i) Right Ascension of the object (ICRS) at Epoch="MJD" (ra) (pos.eq.ra;meta.main) (POS_EQ_RA_MAIN)
dec	-00.044555	deg	(i) Declination of the object (ICRS) at Epoch="MJD" (dec) (pos.eq.dec;meta.main) (POS_EQ_DEC_MAIN)
fieldID	1237663504506748928		The field this object is in (meta.note) (ID_FIELD)
mode	2		[1/4] PhotoMode (1=primary, 2=secondary, 3=family, 4=outside) (meta.code.class) (CLASS_CODE)
type	6		[0/8] Type of object (3=galaxy, 6=star) (type) (Note 2)   (src.class) (CLASS_OBJECT)
clean	0		[0/1] Clean photometry flag (1=clean; 0=unclean) (meta.code) (CODE_MISC)
flags	158398662443008		Photo Object Attribute flags (Note 3)   (meta.code.error) (CODE_MISC)
psfMag_u	20.016	mag	(i) [4/35] PSF magnitude in u band (psfMag_u) (Note 4)   (phot.mag;em.opt.U) (PHOT_SDSS_U)
psfMag_g	19.153	mag	[3.7/37] PSF magnitude in g band (psfMag_g) (Note 4)   (phot.mag;em.opt.B) (PHOT_SDSS_G)
psfMag_r	18.995	mag	[3.8/36] PSF magnitude in r band (psfMag_r) (Note 4)   (phot.mag;em.opt.R) (PHOT_SDSS_R)
psfMag_i	19.033	mag	[2.6/34] PSF magnitude in i band (psfMag_i) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_I)
psfMag_z	19.000	mag	[3.8/33.3] PSF magnitude in z band (psfMag_z) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_Z)
psfMagErr_u	0.054	mag	[1.5e-5/100] Mean error on upmag (psfMagErr_u) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_g	0.022	mag	Mean error on gpmag (psfMagErr_g) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_r	0.023	mag	Mean error on rpmag (psfMagErr_r) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_i	0.026	mag	Mean error on ipmag (psfMagErr_i) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_z	0.074	mag	Mean error on zpmag (psfMagErr_z) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMag_u	20.136	mag	[-0.4/47.2] Petrosian magnitude in u band (petroMag_u) (Note 4)   (phot.mag;em.opt.U) (PHOT_SDSS_U)
petroMag_g	19.199	mag	[3.7/48] Petrosian magnitude in g band (petroMag_g) (Note 4)   (phot.mag;em.opt.B) (PHOT_SDSS_G)
petroMag_r	19.042	mag	[1.3/48.6] Petrosian magnitude in r band (petroMag_r) (Note 4)   (phot.mag;em.opt.R) (PHOT_SDSS_R)
petroMag_i	19.126	mag	[2.6/48.4] Petrosian magnitude in i band (petroMag_i) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_I)
petroMag_z	19.183	mag	[-2.9/45.1] Petrosian magnitude in z band (petroMag_z) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_Z)
petroMagErr_u	0.089	mag	[1e-7/100] Mean error in uPmag (petroMagErr_u) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_g	0.017	mag	[9.1e-9/100] Mean error in gPmag (petroMagErr_g) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_r	0.023	mag	Mean error in rPmag (petroMagErr_r) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_i	0.037	mag	Mean error in iPmag (petroMagErr_i) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_z	0.165	mag	Mean error in zPmag (petroMagErr_z) (Note 4)   (stat.error;phot.mag) (ERROR)
petroRad_u	1.962	arcsec	[1.2e-6/261] Petrosian radius in u band (petroRad_u) (phys.angSize;src) (EXTENSION_RAD)
petroRad_g	2.053	arcsec	[2.3e-6/261] Petrosian radius in g band (petroRad_g) (phys.angSize;src) (EXTENSION_RAD)
petroRad_r	1.801	arcsec	[4.9e-6/260] Petrosian radius in r band (petroRad_r) (phys.angSize;src) (EXTENSION_RAD)
petroRad_i	1.742	arcsec	[2.2e-6/263] Petrosian radius in i band (petroRad_i) (phys.angSize;src) (EXTENSION_RAD)
petroRad_z	1.798	arcsec	[8.3e-7/261] Petrosian radius in z band (petroRad_z) (phys.angSize;src) (EXTENSION_RAD)
petroRadErr_u	0.184	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_u) (stat.error) (ERROR)
petroRadErr_g	0.051	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_g) (stat.error) (ERROR)
petroRadErr_r	0.053	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_r) (stat.error) (ERROR)
petroRadErr_i	0.077	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_i) (stat.error) (ERROR)
petroRadErr_z	0.296	arcsec	[-1000/257] Mean error in rPrad (petroRadErr_z) (stat.error) (ERROR)
deVRad_u	0.236	arcsec	[0/257] De Vaucouleurs fit radius u band (deVRad_u) (phys.angSize;src) (EXTENSION_RAD)
deVRad_g	0.091	arcsec	[0/238] De Vaucouleurs fit radius g band (deVRad_g) (phys.angSize;src) (EXTENSION_RAD)
deVRad_r	0.105	arcsec	[0/238] De Vaucouleurs fit radius r band (deVRad_r) (phys.angSize;src) (EXTENSION_RAD)
deVRad_i	0.121	arcsec	[0/232] De Vaucouleurs fit radius i band (deVRad_i) (phys.angSize;src) (EXTENSION_RAD)
deVRad_z	0.117	arcsec	[0/238] De Vaucouleurs fit radius z band (deVRad_z) (phys.angSize;src) (EXTENSION_RAD)
deVAB_u	0.050		[0.05/1] De Vaucouleurs fit b/a u band (deVAB_u) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_g	1.000		[0.05/1] De Vaucouleurs fit b/a g band (deVAB_g) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_r	0.193		[0.05/1] De Vaucouleurs fit b/a r band (deVAB_r) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_i	0.173		[0.05/1] De Vaucouleurs fit b/a i band (deVAB_i) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_z	0.200		[0.05/1] De Vaucouleurs fit b/a z band (deVAB_z) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVPhi_u	67.8	deg	[-10105/271] Position angle of dVrad in u band (deVPhi_u) (pos.posAng) (POS_POS-ANG)
deVPhi_g	43.8	deg	[-10105/271] Position angle of dVrad in g band (deVPhi_g) (pos.posAng) (POS_POS-ANG)
deVPhi_r	17.6	deg	[-10105/271] Position angle of dVrad in r band (deVPhi_r) (pos.posAng) (POS_POS-ANG)
deVPhi_i	130.0	deg	[-10105/271] Position angle of dVrad in i band (deVPhi_i) (pos.posAng) (POS_POS-ANG)
deVPhi_z	42.7	deg	[-10105/271] Position angle of dVrad in z band (deVPhi_z) (pos.posAng) (POS_POS-ANG)
flags_u	268468224		Detection flags u band (flags_u) (Note 3)   (meta.code) (CODE_MISC)
flags_g	268468224		Detection flags g band (flags_g) (Note 3)   (meta.code) (CODE_MISC)
flags_r	4503874773745664		Detection flags r band (flags_r) (Note 3)   (meta.code) (CODE_MISC)
flags_i	158604820905984		Detection flags i band (flags_i) (Note 3)   (meta.code) (CODE_MISC)
flags_z	275280592896		Detection flags z band (flags_z) (Note 3)   (meta.code) (CODE_MISC)
type_u	6		[0/8] Phototype in u band (6=Star ; 3=galaxy) (type_u) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_g	6		[0/8] Phototype in i band (6=Star ; 3=galaxy) (type_g) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_r	6		[0/8] Phototype in r band (6=Star ; 3=galaxy) (type_r) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_i	6		[0/8] Phototype in i band (6=Star ; 3=galaxy) (type_i) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_z	6		[0/8] Phototype in z band (6=Star ; 3=galaxy) (type_z) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_u	1.0		[0/1] 0=notStar 1=Star in u band (probPSF_u) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_g	1.0		[0/1] 0=notStar 1=Star in g band (probPSF_g) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_r	1.0		[0/1] 0=notStar 1=Star in r band (probPSF_r) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_i	1.0		[0/1] 0=notStar 1=Star in i band (probPSF_i) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_z	1.0		[0/1] 0=notStar 1=Star in z band (probPSF_z) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
raErr	0.011	arcsec	[0/51703] Mean error on RAdeg (raErr) (stat.error;pos.eq.ra) (ERROR)
decErr	0.011	arcsec	[0/22795] Mean error on DEdeg (decErr) (stat.error;pos.eq.dec) (ERROR)
offsetRa_u	0.02	arcsec	Offset of u position along RA (offsetRa_u) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_g	0.00	arcsec	Offset of g position along RA (offsetRa_g) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_r	0.00	arcsec	Offset of r position along RA (offsetRa_r) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_i	0.03	arcsec	Offset of i position along RA (offsetRa_i) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_z	-0.18	arcsec	Offset of z position along RA (offsetRa_z) (pos.angDistance) (POS_EQ_RA_OFF)
offsetDec_u	-0.01	arcsec	Offset of u position along Dec (offsetDec_u) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_g	0.01	arcsec	Offset of g position along Dec (offsetDec_g) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_r	0.00	arcsec	Offset of r position along Dec (offsetDec_r) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_i	-0.06	arcsec	Offset of i position along Dec (offsetDec_i) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_z	-0.09	arcsec	Offset of z position along Dec (offsetDec_z) (pos.angDistance) (POS_EQ_DEC_OFF)
parentID	0		Pointer to parent (if object deblended) (meta.id.parent) (ID_PARENT)
specObjID	0		(i) Pointer to the spectrum of object or 0 (specObjID) (Note 6)   (meta.id) (ID_ALTERNATIVE)
u	20.027	mag	(i) [4/37.3] Model magnitude in u filter AB scale (u) (Note 7)   (phot.mag;em.opt.U) (PHOT_SDSS_U)
g	19.145	mag	(i) [3.7/39.6] Model magnitude in g filter AB scale (g) (Note 7)   (phot.mag;em.opt.B) (PHOT_SDSS_G)
r	18.983	mag	(i) [3.8/40.4] Model magnitude in r filter AB scale (r) (Note 7)   (phot.mag;em.opt.R) (PHOT_SDSS_R)
i	19.019	mag	(i) [2.6/39.5] Model magnitude in i filter AB scale (i) (Note 7)   (phot.mag;em.opt.I) (PHOT_SDSS_I)
z	19.002	mag	(i) [3.5/37.2] Model magnitude in z filter AB scale (z) (Note 7)   (phot.mag;em.opt.I) (PHOT_SDSS_Z)
err_u	0.056	mag	[8.9e-8/3444] Mean error on umag (err_u) (stat.error;phot.mag) (ERROR)
err_g	0.012	mag	[3.8e-8/5955] Mean error on gmag (err_g) (stat.error;phot.mag) (ERROR)
err_r	0.013	mag	[5.2e-8/915] Mean error on rmag (err_r) (stat.error;phot.mag) (ERROR)
err_i	0.019	mag	[0/634] Mean error on imag (err_i) (stat.error;phot.mag) (ERROR)
err_z	0.074	mag	[9.4e-8/3529] Mean error on zmag (err_z) (stat.error;phot.mag) (ERROR)
resolveStatus	1025		[0/4145] Decimal status (resolveStatus) (Note 5)   (meta.code) (CODE_MISC)
spec_instrument			Spectral instrument used ("SDSS" or "BOSS") (spec_instrument) (Note 6)   (meta.id;instr) (INST_ID)
spec_sourceType			Source type (spec_sourceType) (6) (Note 8)   (src.class) (CLASS_OBJECT)
spec_z			(i) [-0.012/7.06] Spectroscopic final redshift (when SpObjID>0) (spec_z) (Note 6)   (src.redshift) (REDSHIFT_HC)
spec_zErr			[-6/30689] Mean error on zsp (negative for bad fit) (spec_zErr) (Note 6)   (stat.error) (ERROR)
spec_zWarning			[0/902] Zwarning flag (spec_zWarning) (6) (Note 9)   (meta.code) (CODE_MISC)
spec_class			Spectroscopic class: "GALAXY"; "QSO"; "STAR" (spec_class) (Note 6)   (meta.code.class;pos.parallax.spect) (CLASS_STAR/GALAXY)
spec_subClass			Spectroscopic subclass (spec_subClass) (6) (Note 10)   (src.class) (CLASS_OBJECT)
spec_velDisp		km/s	[0/850] Velocity dispersion (spec_velDisp) (Note 6)   (phys.veloc.dispersion) (VELOC_DISP)
spec_velDispErr		km/s	[-7/4526] Mean error on Vdisp (spec_velDispErr) (Note 6)   (stat.error) (ERROR)
spec_snMedian			[-1927/132] Median signal-to-noise over all good pixels (spec_snMedian) (Note 6)   (em.wl.central;stat.median) (INST_S/N)
pm_match	1		[0/4] Number of USNO-B objects matched within 1arcsec (pm_match) (Note 11)   (meta.number) (NUMBER)
pm_pmRa	-4.33	mas/yr	[-6121/5519] Proper motion along Right Ascension (pm_pmRa) (Note 11)   (pos.pm;pos.eq.ra) (POS_EQ_PMRA)
pm_pmDec	-3.24	mas/yr	[-4846/4437] Proper motion along Declination (pm_pmDec) (Note 11)   (pos.pm;pos.eq.dec) (POS_EQ_PMDEC)
pm_pmRaErr	3.17	mas/yr	[0/4709] Mean error on pmRA (pm_pmRaErr) (Note 11)   (stat.error;pos.pm;pos.eq.ra) (ERROR)
pm_pmDecErr	3.17	mas/yr	[0/4709] Mean error on pmDE (pm_pmDecErr) (Note 11)   (stat.error;pos.pm;pos.eq.dec) (ERROR)
pm_sigRa	119.33	mas	[0/8662] RMS residual of proper motion fit in RA (pm_sigRa) (Note 11)   (stat.fit.residual) (FIT_RESIDUAL)
pm_sigDec	185.24	mas	[0/10625] RMS residual of proper motion fit in Dec (pm_sigDec) (Note 11)   (stat.fit.residual) (FIT_RESIDUAL)
pm_nFit	5		[0/6] Number of detections used in the pm fit including SDSS (pm_nFit) (Note 11)   (meta.number) (NUMBER)
pm_O	18.9		[-214740/70189] Magnitude from USNO-B O plate recalibrated to SDSS g (pm_O) (Note 11)   (phot.mag;em.opt.B) (PHOT_PHG_B)
pm_E	19.0		Magnitude from E plate recalibrated to SDSS r (pm_E) (Note 11)   (phot.mag;em.opt.R) (PHOT_PHG_R)
pm_J	19.2		Magnitude from J plate recalibrated to SDSS g (pm_J) (Note 11)   (phot.mag;em.opt.B) (PHOT_PHG_B)
pm_F	18.9		Magnitude from F plate recalibrated to SDSS r (pm_F) (Note 11)   (phot.mag;em.opt.R) (PHOT_PHG_R)
pm_N	0.0		Magnitude from N plate recalibrated to SDSS i (pm_N) (Note 11)   (phot.mag;em.opt.I) (PHOT_PHG_I)
photoz_z			(i) [5e-4/1] Photometric redshift estimated by robust fit to nearest neighbors in a reference set (photoz_z) (Note 12)   (src.redshift) (REDSHIFT_PHOT)
photoz_zErr			[0.003/0.3] Estimated error of the photometric redshift (photoz_zErr) (Note 12)   (stat.error) (ERROR)
photoz_nnAvgZ			[0.009/0.9] Average redshift of the nearest neighbors; if significantly different from zph this might be a better estimate than zph (photoz_nnAvgZ) (Note 12)   (src.redshift.phot) (REDSHIFT_PHOT)
photoz_chisq			[2e-12/6.3e7] Chi-square value for the minimum chi-square template fit (photoz_chisq) (Note 12)   (stat.value) (FIT_CHI2)
field_quality	3		[1/3] Quality of the observation: 1=bad; 2=barely acceptable; 3=good (field_quality) (Note 13)   (meta.code.qual;obs.param;obs) (CODE_QUALITY)
field_mjd_u	52934.2327	d	Date of observation in u band (field_mjd_u) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_g	52934.2344	d	Date of observation in g band (field_mjd_g) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_r	52934.2311	d	Date of observation in r band (field_mjd_r) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_i	52934.2319	d	Date of observation in i band (field_mjd_i) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_z	52934.2336	d	Date of observation in z band (field_mjd_z) (Note 13)   (time.epoch) (TIME_DATE)
SDSS16	SDSS J002716.16-000240.3		(i) SDSS-DR16 name based on J2000 position; provided by CDS (meta.id) (ID_ALTERNATIVE)
SDSS-ID	4198-301-3-0407-0218		(i) SDSS object identifier (run-rerun-camcol-field-object) (Note 1)   (meta.id) (ID_ALTERNATIVE)
Sp-ID			(i) Spectroscopic Plate-MJD-Fiber identifier (plate-mjd-fiberID) (meta.id) (ID_ALTERNATIVE)
MJD	52934.2327	d	Mean observation date (average calculated by CDS from the uMJD, gMJD, rMJD, iMJD, zMJD) (time.epoch) (TIME_DATE)

Column	Value		Explain   (UCD)
_r	0.087	arcsec	Distance from center (006.817346-00.044534)[ICRS], at Epoch of catalog (MJD) (pos.angDistance) (POS_ANG_DIST_GENERAL)
_RAJ2000	00 27 16.16920	"h:m:s"	Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra) (POS_EQ_RA)
_DEJ2000	-00 02 40.2889	"d:m:s"	Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_RAB1950	00 24 42.44299	"h:m:s"	Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra) (POS_EQ_RA)
_DEB1950	-00 19 16.1539	"d:m:s"	Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_Glon	109.84403515	deg	Galactic longitude at Epoch=J0. (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lon) (POS_GAL_LON)
_Glat	-62.30055020	deg	Galactic latitude at Epoch=J0. (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lat) (POS_GAL_LAT)
objID	1237663311216902249		(i) SDSS unique object identifier (1) (links to online SDSS-DR16 data) (Note)   (meta.id;meta.main) (ID_MAIN)
ra	006.817368	deg	(i) Right Ascension of the object (ICRS) at Epoch="MJD" (ra) (pos.eq.ra;meta.main) (POS_EQ_RA_MAIN)
dec	-00.044524	deg	(i) Declination of the object (ICRS) at Epoch="MJD" (dec) (pos.eq.dec;meta.main) (POS_EQ_DEC_MAIN)
fieldID	1237663311216902144		The field this object is in (meta.note) (ID_FIELD)
mode	2		[1/4] PhotoMode (1=primary, 2=secondary, 3=family, 4=outside) (meta.code.class) (CLASS_CODE)
type	6		[0/8] Type of object (3=galaxy, 6=star) (type) (Note 2)   (src.class) (CLASS_OBJECT)
clean	0		[0/1] Clean photometry flag (1=clean; 0=unclean) (meta.code) (CODE_MISC)
flags	68987912192		Photo Object Attribute flags (Note 3)   (meta.code.error) (CODE_MISC)
psfMag_u	20.494	mag	(i) [4/35] PSF magnitude in u band (psfMag_u) (Note 4)   (phot.mag;em.opt.U) (PHOT_SDSS_U)
psfMag_g	19.104	mag	[3.7/37] PSF magnitude in g band (psfMag_g) (Note 4)   (phot.mag;em.opt.B) (PHOT_SDSS_G)
psfMag_r	19.053	mag	[3.8/36] PSF magnitude in r band (psfMag_r) (Note 4)   (phot.mag;em.opt.R) (PHOT_SDSS_R)
psfMag_i	19.010	mag	[2.6/34] PSF magnitude in i band (psfMag_i) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_I)
psfMag_z	19.327	mag	[3.8/33.3] PSF magnitude in z band (psfMag_z) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_Z)
psfMagErr_u	0.116	mag	[1.5e-5/100] Mean error on upmag (psfMagErr_u) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_g	0.030	mag	Mean error on gpmag (psfMagErr_g) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_r	0.032	mag	Mean error on rpmag (psfMagErr_r) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_i	0.027	mag	Mean error on ipmag (psfMagErr_i) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_z	0.113	mag	Mean error on zpmag (psfMagErr_z) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMag_u	20.301	mag	[-0.4/47.2] Petrosian magnitude in u band (petroMag_u) (Note 4)   (phot.mag;em.opt.U) (PHOT_SDSS_U)
petroMag_g	19.176	mag	[3.7/48] Petrosian magnitude in g band (petroMag_g) (Note 4)   (phot.mag;em.opt.B) (PHOT_SDSS_G)
petroMag_r	19.075	mag	[1.3/48.6] Petrosian magnitude in r band (petroMag_r) (Note 4)   (phot.mag;em.opt.R) (PHOT_SDSS_R)
petroMag_i	19.043	mag	[2.6/48.4] Petrosian magnitude in i band (petroMag_i) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_I)
petroMag_z	19.334	mag	[-2.9/45.1] Petrosian magnitude in z band (petroMag_z) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_Z)
petroMagErr_u	0.114	mag	[1e-7/100] Mean error in uPmag (petroMagErr_u) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_g	0.019	mag	[9.1e-9/100] Mean error in gPmag (petroMagErr_g) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_r	0.027	mag	Mean error in rPmag (petroMagErr_r) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_i	0.040	mag	Mean error in iPmag (petroMagErr_i) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_z	0.212	mag	Mean error in zPmag (petroMagErr_z) (Note 4)   (stat.error;phot.mag) (ERROR)
petroRad_u	3.536	arcsec	[1.2e-6/261] Petrosian radius in u band (petroRad_u) (phys.angSize;src) (EXTENSION_RAD)
petroRad_g	1.909	arcsec	[2.3e-6/261] Petrosian radius in g band (petroRad_g) (phys.angSize;src) (EXTENSION_RAD)
petroRad_r	2.073	arcsec	[4.9e-6/260] Petrosian radius in r band (petroRad_r) (phys.angSize;src) (EXTENSION_RAD)
petroRad_i	1.880	arcsec	[2.2e-6/263] Petrosian radius in i band (petroRad_i) (phys.angSize;src) (EXTENSION_RAD)
petroRad_z	2.675	arcsec	[8.3e-7/261] Petrosian radius in z band (petroRad_z) (phys.angSize;src) (EXTENSION_RAD)
petroRadErr_u	0.644	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_u) (stat.error) (ERROR)
petroRadErr_g	0.026	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_g) (stat.error) (ERROR)
petroRadErr_r	0.077	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_r) (stat.error) (ERROR)
petroRadErr_i	0.115	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_i) (stat.error) (ERROR)
petroRadErr_z	0.812	arcsec	[-1000/257] Mean error in rPrad (petroRadErr_z) (stat.error) (ERROR)
deVRad_u	0.702	arcsec	[0/257] De Vaucouleurs fit radius u band (deVRad_u) (phys.angSize;src) (EXTENSION_RAD)
deVRad_g	0.000	arcsec	[0/238] De Vaucouleurs fit radius g band (deVRad_g) (phys.angSize;src) (EXTENSION_RAD)
deVRad_r	0.001	arcsec	[0/238] De Vaucouleurs fit radius r band (deVRad_r) (phys.angSize;src) (EXTENSION_RAD)
deVRad_i	0.098	arcsec	[0/232] De Vaucouleurs fit radius i band (deVRad_i) (phys.angSize;src) (EXTENSION_RAD)
deVRad_z	0.700	arcsec	[0/238] De Vaucouleurs fit radius z band (deVRad_z) (phys.angSize;src) (EXTENSION_RAD)
deVAB_u	0.256		[0.05/1] De Vaucouleurs fit b/a u band (deVAB_u) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_g	0.591		[0.05/1] De Vaucouleurs fit b/a g band (deVAB_g) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_r	0.885		[0.05/1] De Vaucouleurs fit b/a r band (deVAB_r) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_i	0.500		[0.05/1] De Vaucouleurs fit b/a i band (deVAB_i) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_z	0.050		[0.05/1] De Vaucouleurs fit b/a z band (deVAB_z) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVPhi_u	180.0	deg	[-10105/271] Position angle of dVrad in u band (deVPhi_u) (pos.posAng) (POS_POS-ANG)
deVPhi_g	43.0	deg	[-10105/271] Position angle of dVrad in g band (deVPhi_g) (pos.posAng) (POS_POS-ANG)
deVPhi_r	127.0	deg	[-10105/271] Position angle of dVrad in r band (deVPhi_r) (pos.posAng) (POS_POS-ANG)
deVPhi_i	164.3	deg	[-10105/271] Position angle of dVrad in i band (deVPhi_i) (pos.posAng) (POS_POS-ANG)
deVPhi_z	171.3	deg	[-10105/271] Position angle of dVrad in z band (deVPhi_z) (pos.posAng) (POS_POS-ANG)
flags_u	275146375168		Detection flags u band (flags_u) (Note 3)   (meta.code) (CODE_MISC)
flags_g	268468224		Detection flags g band (flags_g) (Note 3)   (meta.code) (CODE_MISC)
flags_r	4503599895838720		Detection flags r band (flags_r) (Note 3)   (meta.code) (CODE_MISC)
flags_i	268468224		Detection flags i band (flags_i) (Note 3)   (meta.code) (CODE_MISC)
flags_z	268468224		Detection flags z band (flags_z) (Note 3)   (meta.code) (CODE_MISC)
type_u	3		[0/8] Phototype in u band (6=Star ; 3=galaxy) (type_u) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_g	6		[0/8] Phototype in i band (6=Star ; 3=galaxy) (type_g) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_r	6		[0/8] Phototype in r band (6=Star ; 3=galaxy) (type_r) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_i	6		[0/8] Phototype in i band (6=Star ; 3=galaxy) (type_i) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_z	3		[0/8] Phototype in z band (6=Star ; 3=galaxy) (type_z) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_u	0.0		[0/1] 0=notStar 1=Star in u band (probPSF_u) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_g	1.0		[0/1] 0=notStar 1=Star in g band (probPSF_g) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_r	1.0		[0/1] 0=notStar 1=Star in r band (probPSF_r) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_i	1.0		[0/1] 0=notStar 1=Star in i band (probPSF_i) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_z	0.0		[0/1] 0=notStar 1=Star in z band (probPSF_z) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
raErr	0.013	arcsec	[0/51703] Mean error on RAdeg (raErr) (stat.error;pos.eq.ra) (ERROR)
decErr	0.013	arcsec	[0/22795] Mean error on DEdeg (decErr) (stat.error;pos.eq.dec) (ERROR)
offsetRa_u	-0.12	arcsec	Offset of u position along RA (offsetRa_u) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_g	0.01	arcsec	Offset of g position along RA (offsetRa_g) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_r	0.00	arcsec	Offset of r position along RA (offsetRa_r) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_i	-0.03	arcsec	Offset of i position along RA (offsetRa_i) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_z	0.03	arcsec	Offset of z position along RA (offsetRa_z) (pos.angDistance) (POS_EQ_RA_OFF)
offsetDec_u	-0.07	arcsec	Offset of u position along Dec (offsetDec_u) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_g	-0.01	arcsec	Offset of g position along Dec (offsetDec_g) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_r	0.00	arcsec	Offset of r position along Dec (offsetDec_r) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_i	-0.01	arcsec	Offset of i position along Dec (offsetDec_i) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_z	-0.01	arcsec	Offset of z position along Dec (offsetDec_z) (pos.angDistance) (POS_EQ_DEC_OFF)
parentID	0		Pointer to parent (if object deblended) (meta.id.parent) (ID_PARENT)
specObjID	0		(i) Pointer to the spectrum of object or 0 (specObjID) (Note 6)   (meta.id) (ID_ALTERNATIVE)
u	20.494	mag	(i) [4/37.3] Model magnitude in u filter AB scale (u) (Note 7)   (phot.mag;em.opt.U) (PHOT_SDSS_U)
g	19.115	mag	(i) [3.7/39.6] Model magnitude in g filter AB scale (g) (Note 7)   (phot.mag;em.opt.B) (PHOT_SDSS_G)
r	19.056	mag	(i) [3.8/40.4] Model magnitude in r filter AB scale (r) (Note 7)   (phot.mag;em.opt.R) (PHOT_SDSS_R)
i	19.017	mag	(i) [2.6/39.5] Model magnitude in i filter AB scale (i) (Note 7)   (phot.mag;em.opt.I) (PHOT_SDSS_I)
z	19.330	mag	(i) [3.5/37.2] Model magnitude in z filter AB scale (z) (Note 7)   (phot.mag;em.opt.I) (PHOT_SDSS_Z)
err_u	0.080	mag	[8.9e-8/3444] Mean error on umag (err_u) (stat.error;phot.mag) (ERROR)
err_g	0.012	mag	[3.8e-8/5955] Mean error on gmag (err_g) (stat.error;phot.mag) (ERROR)
err_r	0.015	mag	[5.2e-8/915] Mean error on rmag (err_r) (stat.error;phot.mag) (ERROR)
err_i	0.019	mag	[0/634] Mean error on imag (err_i) (stat.error;phot.mag) (ERROR)
err_z	0.114	mag	[9.4e-8/3529] Mean error on zmag (err_z) (stat.error;phot.mag) (ERROR)
resolveStatus	1025		[0/4145] Decimal status (resolveStatus) (Note 5)   (meta.code) (CODE_MISC)
spec_instrument			Spectral instrument used ("SDSS" or "BOSS") (spec_instrument) (Note 6)   (meta.id;instr) (INST_ID)
spec_sourceType			Source type (spec_sourceType) (6) (Note 8)   (src.class) (CLASS_OBJECT)
spec_z			(i) [-0.012/7.06] Spectroscopic final redshift (when SpObjID>0) (spec_z) (Note 6)   (src.redshift) (REDSHIFT_HC)
spec_zErr			[-6/30689] Mean error on zsp (negative for bad fit) (spec_zErr) (Note 6)   (stat.error) (ERROR)
spec_zWarning			[0/902] Zwarning flag (spec_zWarning) (6) (Note 9)   (meta.code) (CODE_MISC)
spec_class			Spectroscopic class: "GALAXY"; "QSO"; "STAR" (spec_class) (Note 6)   (meta.code.class;pos.parallax.spect) (CLASS_STAR/GALAXY)
spec_subClass			Spectroscopic subclass (spec_subClass) (6) (Note 10)   (src.class) (CLASS_OBJECT)
spec_velDisp		km/s	[0/850] Velocity dispersion (spec_velDisp) (Note 6)   (phys.veloc.dispersion) (VELOC_DISP)
spec_velDispErr		km/s	[-7/4526] Mean error on Vdisp (spec_velDispErr) (Note 6)   (stat.error) (ERROR)
spec_snMedian			[-1927/132] Median signal-to-noise over all good pixels (spec_snMedian) (Note 6)   (em.wl.central;stat.median) (INST_S/N)
pm_match	1		[0/4] Number of USNO-B objects matched within 1arcsec (pm_match) (Note 11)   (meta.number) (NUMBER)
pm_pmRa	-3.26	mas/yr	[-6121/5519] Proper motion along Right Ascension (pm_pmRa) (Note 11)   (pos.pm;pos.eq.ra) (POS_EQ_PMRA)
pm_pmDec	0.38	mas/yr	[-4846/4437] Proper motion along Declination (pm_pmDec) (Note 11)   (pos.pm;pos.eq.dec) (POS_EQ_PMDEC)
pm_pmRaErr	3.16	mas/yr	[0/4709] Mean error on pmRA (pm_pmRaErr) (Note 11)   (stat.error;pos.pm;pos.eq.ra) (ERROR)
pm_pmDecErr	3.16	mas/yr	[0/4709] Mean error on pmDE (pm_pmDecErr) (Note 11)   (stat.error;pos.pm;pos.eq.dec) (ERROR)
pm_sigRa	86.73	mas	[0/8662] RMS residual of proper motion fit in RA (pm_sigRa) (Note 11)   (stat.fit.residual) (FIT_RESIDUAL)
pm_sigDec	161.64	mas	[0/10625] RMS residual of proper motion fit in Dec (pm_sigDec) (Note 11)   (stat.fit.residual) (FIT_RESIDUAL)
pm_nFit	5		[0/6] Number of detections used in the pm fit including SDSS (pm_nFit) (Note 11)   (meta.number) (NUMBER)
pm_O	18.7		[-214740/70189] Magnitude from USNO-B O plate recalibrated to SDSS g (pm_O) (Note 11)   (phot.mag;em.opt.B) (PHOT_PHG_B)
pm_E	19.2		Magnitude from E plate recalibrated to SDSS r (pm_E) (Note 11)   (phot.mag;em.opt.R) (PHOT_PHG_R)
pm_J	19.2		Magnitude from J plate recalibrated to SDSS g (pm_J) (Note 11)   (phot.mag;em.opt.B) (PHOT_PHG_B)
pm_F	19.0		Magnitude from F plate recalibrated to SDSS r (pm_F) (Note 11)   (phot.mag;em.opt.R) (PHOT_PHG_R)
pm_N	0.0		Magnitude from N plate recalibrated to SDSS i (pm_N) (Note 11)   (phot.mag;em.opt.I) (PHOT_PHG_I)
photoz_z			(i) [5e-4/1] Photometric redshift estimated by robust fit to nearest neighbors in a reference set (photoz_z) (Note 12)   (src.redshift) (REDSHIFT_PHOT)
photoz_zErr			[0.003/0.3] Estimated error of the photometric redshift (photoz_zErr) (Note 12)   (stat.error) (ERROR)
photoz_nnAvgZ			[0.009/0.9] Average redshift of the nearest neighbors; if significantly different from zph this might be a better estimate than zph (photoz_nnAvgZ) (Note 12)   (src.redshift.phot) (REDSHIFT_PHOT)
photoz_chisq			[2e-12/6.3e7] Chi-square value for the minimum chi-square template fit (photoz_chisq) (Note 12)   (stat.value) (FIT_CHI2)
field_quality	1		[1/3] Quality of the observation: 1=bad; 2=barely acceptable; 3=good (field_quality) (Note 13)   (meta.code.qual;obs.param;obs) (CODE_QUALITY)
field_mjd_u	52911.3148	d	Date of observation in u band (field_mjd_u) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_g	52911.3164	d	Date of observation in g band (field_mjd_g) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_r	52911.3131	d	Date of observation in r band (field_mjd_r) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_i	52911.3140	d	Date of observation in i band (field_mjd_i) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_z	52911.3156	d	Date of observation in z band (field_mjd_z) (Note 13)   (time.epoch) (TIME_DATE)
SDSS16	SDSS J002716.16-000240.2		(i) SDSS-DR16 name based on J2000 position; provided by CDS (meta.id) (ID_ALTERNATIVE)
SDSS-ID	4153-301-3-0158-0105		(i) SDSS object identifier (run-rerun-camcol-field-object) (Note 1)   (meta.id) (ID_ALTERNATIVE)
Sp-ID			(i) Spectroscopic Plate-MJD-Fiber identifier (plate-mjd-fiberID) (meta.id) (ID_ALTERNATIVE)
MJD	52911.3148	d	Mean observation date (average calculated by CDS from the uMJD, gMJD, rMJD, iMJD, zMJD) (time.epoch) (TIME_DATE)

Column	Value		Explain   (UCD)
_r	0.092	arcsec	Distance from center (006.817346-00.044534)[ICRS], at Epoch of catalog (MJD) (pos.angDistance) (POS_ANG_DIST_GENERAL)
_RAJ2000	00 27 16.16889	"h:m:s"	Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra) (POS_EQ_RA)
_DEJ2000	-00 02 40.3489	"d:m:s"	Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_RAB1950	00 24 42.43181	"h:m:s"	Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra) (POS_EQ_RA)
_DEB1950	-00 19 16.1949	"d:m:s"	Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_Glon	109.84403219	deg	Galactic longitude at Epoch=J0. (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lon) (POS_GAL_LON)
_Glat	-62.30056731	deg	Galactic latitude at Epoch=J0. (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lat) (POS_GAL_LAT)
objID	1237666382124810295		(i) SDSS unique object identifier (1) (links to online SDSS-DR16 data) (Note)   (meta.id;meta.main) (ID_MAIN)
ra	006.817370	deg	(i) Right Ascension of the object (ICRS) at Epoch="MJD" (ra) (pos.eq.ra;meta.main) (POS_EQ_RA_MAIN)
dec	-00.044541	deg	(i) Declination of the object (ICRS) at Epoch="MJD" (dec) (pos.eq.dec;meta.main) (POS_EQ_DEC_MAIN)
fieldID	1237666382124810240		The field this object is in (meta.note) (ID_FIELD)
mode	4		[1/4] PhotoMode (1=primary, 2=secondary, 3=family, 4=outside) (meta.code.class) (CLASS_CODE)
type	6		[0/8] Type of object (3=galaxy, 6=star) (type) (Note 2)   (src.class) (CLASS_OBJECT)
clean	0		[0/1] Clean photometry flag (1=clean; 0=unclean) (meta.code) (CODE_MISC)
flags	68987912704		Photo Object Attribute flags (Note 3)   (meta.code.error) (CODE_MISC)
psfMag_u	19.981	mag	(i) [4/35] PSF magnitude in u band (psfMag_u) (Note 4)   (phot.mag;em.opt.U) (PHOT_SDSS_U)
psfMag_g	19.118	mag	[3.7/37] PSF magnitude in g band (psfMag_g) (Note 4)   (phot.mag;em.opt.B) (PHOT_SDSS_G)
psfMag_r	18.992	mag	[3.8/36] PSF magnitude in r band (psfMag_r) (Note 4)   (phot.mag;em.opt.R) (PHOT_SDSS_R)
psfMag_i	19.019	mag	[2.6/34] PSF magnitude in i band (psfMag_i) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_I)
psfMag_z	19.116	mag	[3.8/33.3] PSF magnitude in z band (psfMag_z) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_Z)
psfMagErr_u	0.050	mag	[1.5e-5/100] Mean error on upmag (psfMagErr_u) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_g	0.024	mag	Mean error on gpmag (psfMagErr_g) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_r	0.018	mag	Mean error on rpmag (psfMagErr_r) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_i	0.020	mag	Mean error on ipmag (psfMagErr_i) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_z	0.053	mag	Mean error on zpmag (psfMagErr_z) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMag_u	19.925	mag	[-0.4/47.2] Petrosian magnitude in u band (petroMag_u) (Note 4)   (phot.mag;em.opt.U) (PHOT_SDSS_U)
petroMag_g	19.149	mag	[3.7/48] Petrosian magnitude in g band (petroMag_g) (Note 4)   (phot.mag;em.opt.B) (PHOT_SDSS_G)
petroMag_r	19.076	mag	[1.3/48.6] Petrosian magnitude in r band (petroMag_r) (Note 4)   (phot.mag;em.opt.R) (PHOT_SDSS_R)
petroMag_i	19.091	mag	[2.6/48.4] Petrosian magnitude in i band (petroMag_i) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_I)
petroMag_z	19.011	mag	[-2.9/45.1] Petrosian magnitude in z band (petroMag_z) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_Z)
petroMagErr_u	0.073	mag	[1e-7/100] Mean error in uPmag (petroMagErr_u) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_g	0.016	mag	[9.1e-9/100] Mean error in gPmag (petroMagErr_g) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_r	0.022	mag	Mean error in rPmag (petroMagErr_r) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_i	0.029	mag	Mean error in iPmag (petroMagErr_i) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_z	0.100	mag	Mean error in zPmag (petroMagErr_z) (Note 4)   (stat.error;phot.mag) (ERROR)
petroRad_u	2.454	arcsec	[1.2e-6/261] Petrosian radius in u band (petroRad_u) (phys.angSize;src) (EXTENSION_RAD)
petroRad_g	1.737	arcsec	[2.3e-6/261] Petrosian radius in g band (petroRad_g) (phys.angSize;src) (EXTENSION_RAD)
petroRad_r	1.361	arcsec	[4.9e-6/260] Petrosian radius in r band (petroRad_r) (phys.angSize;src) (EXTENSION_RAD)
petroRad_i	1.459	arcsec	[2.2e-6/263] Petrosian radius in i band (petroRad_i) (phys.angSize;src) (EXTENSION_RAD)
petroRad_z	2.791	arcsec	[8.3e-7/261] Petrosian radius in z band (petroRad_z) (phys.angSize;src) (EXTENSION_RAD)
petroRadErr_u	0.829	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_u) (stat.error) (ERROR)
petroRadErr_g	0.039	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_g) (stat.error) (ERROR)
petroRadErr_r	0.037	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_r) (stat.error) (ERROR)
petroRadErr_i	0.072	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_i) (stat.error) (ERROR)
petroRadErr_z	0.965	arcsec	[-1000/257] Mean error in rPrad (petroRadErr_z) (stat.error) (ERROR)
deVRad_u	0.104	arcsec	[0/257] De Vaucouleurs fit radius u band (deVRad_u) (phys.angSize;src) (EXTENSION_RAD)
deVRad_g	0.114	arcsec	[0/238] De Vaucouleurs fit radius g band (deVRad_g) (phys.angSize;src) (EXTENSION_RAD)
deVRad_r	0.002	arcsec	[0/238] De Vaucouleurs fit radius r band (deVRad_r) (phys.angSize;src) (EXTENSION_RAD)
deVRad_i	0.048	arcsec	[0/232] De Vaucouleurs fit radius i band (deVRad_i) (phys.angSize;src) (EXTENSION_RAD)
deVRad_z	0.102	arcsec	[0/238] De Vaucouleurs fit radius z band (deVRad_z) (phys.angSize;src) (EXTENSION_RAD)
deVAB_u	1.000		[0.05/1] De Vaucouleurs fit b/a u band (deVAB_u) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_g	0.621		[0.05/1] De Vaucouleurs fit b/a g band (deVAB_g) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_r	0.519		[0.05/1] De Vaucouleurs fit b/a r band (deVAB_r) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_i	0.326		[0.05/1] De Vaucouleurs fit b/a i band (deVAB_i) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_z	0.799		[0.05/1] De Vaucouleurs fit b/a z band (deVAB_z) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVPhi_u	65.3	deg	[-10105/271] Position angle of dVrad in u band (deVPhi_u) (pos.posAng) (POS_POS-ANG)
deVPhi_g	70.8	deg	[-10105/271] Position angle of dVrad in g band (deVPhi_g) (pos.posAng) (POS_POS-ANG)
deVPhi_r	129.0	deg	[-10105/271] Position angle of dVrad in r band (deVPhi_r) (pos.posAng) (POS_POS-ANG)
deVPhi_i	76.1	deg	[-10105/271] Position angle of dVrad in i band (deVPhi_i) (pos.posAng) (POS_POS-ANG)
deVPhi_z	108.9	deg	[-10105/271] Position angle of dVrad in z band (deVPhi_z) (pos.posAng) (POS_POS-ANG)
flags_u	275297370112		Detection flags u band (flags_u) (Note 3)   (meta.code) (CODE_MISC)
flags_g	285245952		Detection flags g band (flags_g) (Note 3)   (meta.code) (CODE_MISC)
flags_r	4503600055222784		Detection flags r band (flags_r) (Note 3)   (meta.code) (CODE_MISC)
flags_i	275297370624		Detection flags i band (flags_i) (Note 3)   (meta.code) (CODE_MISC)
flags_z	275305759232		Detection flags z band (flags_z) (Note 3)   (meta.code) (CODE_MISC)
type_u	6		[0/8] Phototype in u band (6=Star ; 3=galaxy) (type_u) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_g	6		[0/8] Phototype in i band (6=Star ; 3=galaxy) (type_g) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_r	6		[0/8] Phototype in r band (6=Star ; 3=galaxy) (type_r) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_i	6		[0/8] Phototype in i band (6=Star ; 3=galaxy) (type_i) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_z	6		[0/8] Phototype in z band (6=Star ; 3=galaxy) (type_z) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_u	1.0		[0/1] 0=notStar 1=Star in u band (probPSF_u) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_g	1.0		[0/1] 0=notStar 1=Star in g band (probPSF_g) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_r	1.0		[0/1] 0=notStar 1=Star in r band (probPSF_r) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_i	1.0		[0/1] 0=notStar 1=Star in i band (probPSF_i) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_z	1.0		[0/1] 0=notStar 1=Star in z band (probPSF_z) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
raErr	0.008	arcsec	[0/51703] Mean error on RAdeg (raErr) (stat.error;pos.eq.ra) (ERROR)
decErr	0.008	arcsec	[0/22795] Mean error on DEdeg (decErr) (stat.error;pos.eq.dec) (ERROR)
offsetRa_u	-0.02	arcsec	Offset of u position along RA (offsetRa_u) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_g	0.03	arcsec	Offset of g position along RA (offsetRa_g) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_r	0.00	arcsec	Offset of r position along RA (offsetRa_r) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_i	-0.02	arcsec	Offset of i position along RA (offsetRa_i) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_z	0.05	arcsec	Offset of z position along RA (offsetRa_z) (pos.angDistance) (POS_EQ_RA_OFF)
offsetDec_u	0.07	arcsec	Offset of u position along Dec (offsetDec_u) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_g	0.05	arcsec	Offset of g position along Dec (offsetDec_g) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_r	0.00	arcsec	Offset of r position along Dec (offsetDec_r) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_i	0.03	arcsec	Offset of i position along Dec (offsetDec_i) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_z	0.02	arcsec	Offset of z position along Dec (offsetDec_z) (pos.angDistance) (POS_EQ_DEC_OFF)
parentID	1237666382124810294		Pointer to parent (if object deblended) (meta.id.parent) (ID_PARENT)
specObjID	0		(i) Pointer to the spectrum of object or 0 (specObjID) (Note 6)   (meta.id) (ID_ALTERNATIVE)
u	19.985	mag	(i) [4/37.3] Model magnitude in u filter AB scale (u) (Note 7)   (phot.mag;em.opt.U) (PHOT_SDSS_U)
g	19.103	mag	(i) [3.7/39.6] Model magnitude in g filter AB scale (g) (Note 7)   (phot.mag;em.opt.B) (PHOT_SDSS_G)
r	19.005	mag	(i) [3.8/40.4] Model magnitude in r filter AB scale (r) (Note 7)   (phot.mag;em.opt.R) (PHOT_SDSS_R)
i	19.027	mag	(i) [2.6/39.5] Model magnitude in i filter AB scale (i) (Note 7)   (phot.mag;em.opt.I) (PHOT_SDSS_I)
z	19.117	mag	(i) [3.5/37.2] Model magnitude in z filter AB scale (z) (Note 7)   (phot.mag;em.opt.I) (PHOT_SDSS_Z)
err_u	0.052	mag	[8.9e-8/3444] Mean error on umag (err_u) (stat.error;phot.mag) (ERROR)
err_g	0.012	mag	[3.8e-8/5955] Mean error on gmag (err_g) (stat.error;phot.mag) (ERROR)
err_r	0.014	mag	[5.2e-8/915] Mean error on rmag (err_r) (stat.error;phot.mag) (ERROR)
err_i	0.017	mag	[0/634] Mean error on imag (err_i) (stat.error;phot.mag) (ERROR)
err_z	0.053	mag	[9.4e-8/3529] Mean error on zmag (err_z) (stat.error;phot.mag) (ERROR)
resolveStatus	32		[0/4145] Decimal status (resolveStatus) (Note 5)   (meta.code) (CODE_MISC)
spec_instrument			Spectral instrument used ("SDSS" or "BOSS") (spec_instrument) (Note 6)   (meta.id;instr) (INST_ID)
spec_sourceType			Source type (spec_sourceType) (6) (Note 8)   (src.class) (CLASS_OBJECT)
spec_z			(i) [-0.012/7.06] Spectroscopic final redshift (when SpObjID>0) (spec_z) (Note 6)   (src.redshift) (REDSHIFT_HC)
spec_zErr			[-6/30689] Mean error on zsp (negative for bad fit) (spec_zErr) (Note 6)   (stat.error) (ERROR)
spec_zWarning			[0/902] Zwarning flag (spec_zWarning) (6) (Note 9)   (meta.code) (CODE_MISC)
spec_class			Spectroscopic class: "GALAXY"; "QSO"; "STAR" (spec_class) (Note 6)   (meta.code.class;pos.parallax.spect) (CLASS_STAR/GALAXY)
spec_subClass			Spectroscopic subclass (spec_subClass) (6) (Note 10)   (src.class) (CLASS_OBJECT)
spec_velDisp		km/s	[0/850] Velocity dispersion (spec_velDisp) (Note 6)   (phys.veloc.dispersion) (VELOC_DISP)
spec_velDispErr		km/s	[-7/4526] Mean error on Vdisp (spec_velDispErr) (Note 6)   (stat.error) (ERROR)
spec_snMedian			[-1927/132] Median signal-to-noise over all good pixels (spec_snMedian) (Note 6)   (em.wl.central;stat.median) (INST_S/N)
pm_match			[0/4] Number of USNO-B objects matched within 1arcsec (pm_match) (Note 11)   (meta.number) (NUMBER)
pm_pmRa		mas/yr	[-6121/5519] Proper motion along Right Ascension (pm_pmRa) (Note 11)   (pos.pm;pos.eq.ra) (POS_EQ_PMRA)
pm_pmDec		mas/yr	[-4846/4437] Proper motion along Declination (pm_pmDec) (Note 11)   (pos.pm;pos.eq.dec) (POS_EQ_PMDEC)
pm_pmRaErr		mas/yr	[0/4709] Mean error on pmRA (pm_pmRaErr) (Note 11)   (stat.error;pos.pm;pos.eq.ra) (ERROR)
pm_pmDecErr		mas/yr	[0/4709] Mean error on pmDE (pm_pmDecErr) (Note 11)   (stat.error;pos.pm;pos.eq.dec) (ERROR)
pm_sigRa		mas	[0/8662] RMS residual of proper motion fit in RA (pm_sigRa) (Note 11)   (stat.fit.residual) (FIT_RESIDUAL)
pm_sigDec		mas	[0/10625] RMS residual of proper motion fit in Dec (pm_sigDec) (Note 11)   (stat.fit.residual) (FIT_RESIDUAL)
pm_nFit			[0/6] Number of detections used in the pm fit including SDSS (pm_nFit) (Note 11)   (meta.number) (NUMBER)
pm_O			[-214740/70189] Magnitude from USNO-B O plate recalibrated to SDSS g (pm_O) (Note 11)   (phot.mag;em.opt.B) (PHOT_PHG_B)
pm_E			Magnitude from E plate recalibrated to SDSS r (pm_E) (Note 11)   (phot.mag;em.opt.R) (PHOT_PHG_R)
pm_J			Magnitude from J plate recalibrated to SDSS g (pm_J) (Note 11)   (phot.mag;em.opt.B) (PHOT_PHG_B)
pm_F			Magnitude from F plate recalibrated to SDSS r (pm_F) (Note 11)   (phot.mag;em.opt.R) (PHOT_PHG_R)
pm_N			Magnitude from N plate recalibrated to SDSS i (pm_N) (Note 11)   (phot.mag;em.opt.I) (PHOT_PHG_I)
photoz_z			(i) [5e-4/1] Photometric redshift estimated by robust fit to nearest neighbors in a reference set (photoz_z) (Note 12)   (src.redshift) (REDSHIFT_PHOT)
photoz_zErr			[0.003/0.3] Estimated error of the photometric redshift (photoz_zErr) (Note 12)   (stat.error) (ERROR)
photoz_nnAvgZ			[0.009/0.9] Average redshift of the nearest neighbors; if significantly different from zph this might be a better estimate than zph (photoz_nnAvgZ) (Note 12)   (src.redshift.phot) (REDSHIFT_PHOT)
photoz_chisq			[2e-12/6.3e7] Chi-square value for the minimum chi-square template fit (photoz_chisq) (Note 12)   (stat.value) (FIT_CHI2)
field_quality	1		[1/3] Quality of the observation: 1=bad; 2=barely acceptable; 3=good (field_quality) (Note 13)   (meta.code.qual;obs.param;obs) (CODE_QUALITY)
field_mjd_u	53286.3117	d	Date of observation in u band (field_mjd_u) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_g	53286.3134	d	Date of observation in g band (field_mjd_g) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_r	53286.3101	d	Date of observation in r band (field_mjd_r) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_i	53286.3109	d	Date of observation in i band (field_mjd_i) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_z	53286.3126	d	Date of observation in z band (field_mjd_z) (Note 13)   (time.epoch) (TIME_DATE)
SDSS16	SDSS J002716.16-000240.3		(i) SDSS-DR16 name based on J2000 position; provided by CDS (meta.id) (ID_ALTERNATIVE)
SDSS-ID	4868-301-3-0254-0055		(i) SDSS object identifier (run-rerun-camcol-field-object) (Note 1)   (meta.id) (ID_ALTERNATIVE)
Sp-ID			(i) Spectroscopic Plate-MJD-Fiber identifier (plate-mjd-fiberID) (meta.id) (ID_ALTERNATIVE)
MJD	53286.3117	d	Mean observation date (average calculated by CDS from the uMJD, gMJD, rMJD, iMJD, zMJD) (time.epoch) (TIME_DATE)

Column	Value		Explain   (UCD)
_r	0.095	arcsec	Distance from center (006.817346-00.044534)[ICRS], at Epoch of catalog (MJD) (pos.angDistance) (POS_ANG_DIST_GENERAL)
_RAJ2000	00 27 16.16878	"h:m:s"	Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra) (POS_EQ_RA)
_DEJ2000	-00 02 40.3622	"d:m:s"	Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_RAB1950	00 24 42.43170	"h:m:s"	Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra) (POS_EQ_RA)
_DEB1950	-00 19 16.2083	"d:m:s"	Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_Glon	109.84402962	deg	Galactic longitude at Epoch=J0. (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lon) (POS_GAL_LON)
_Glat	-62.30057084	deg	Galactic latitude at Epoch=J0. (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lat) (POS_GAL_LAT)
objID	1237656855872143458		(i) SDSS unique object identifier (1) (links to online SDSS-DR16 data) (Note)   (meta.id;meta.main) (ID_MAIN)
ra	006.817370	deg	(i) Right Ascension of the object (ICRS) at Epoch="MJD" (ra) (pos.eq.ra;meta.main) (POS_EQ_RA_MAIN)
dec	-00.044545	deg	(i) Declination of the object (ICRS) at Epoch="MJD" (dec) (pos.eq.dec;meta.main) (POS_EQ_DEC_MAIN)
fieldID	1237656855872143360		The field this object is in (meta.note) (ID_FIELD)
mode	3		[1/4] PhotoMode (1=primary, 2=secondary, 3=family, 4=outside) (meta.code.class) (CLASS_CODE)
type	6		[0/8] Type of object (3=galaxy, 6=star) (type) (Note 2)   (src.class) (CLASS_OBJECT)
clean	0		[0/1] Clean photometry flag (1=clean; 0=unclean) (meta.code) (CODE_MISC)
flags	281543964758530		Photo Object Attribute flags (Note 3)   (meta.code.error) (CODE_MISC)
psfMag_u	20.102	mag	(i) [4/35] PSF magnitude in u band (psfMag_u) (Note 4)   (phot.mag;em.opt.U) (PHOT_SDSS_U)
psfMag_g	19.140	mag	[3.7/37] PSF magnitude in g band (psfMag_g) (Note 4)   (phot.mag;em.opt.B) (PHOT_SDSS_G)
psfMag_r	19.017	mag	[3.8/36] PSF magnitude in r band (psfMag_r) (Note 4)   (phot.mag;em.opt.R) (PHOT_SDSS_R)
psfMag_i	19.002	mag	[2.6/34] PSF magnitude in i band (psfMag_i) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_I)
psfMag_z	19.006	mag	[3.8/33.3] PSF magnitude in z band (psfMag_z) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_Z)
psfMagErr_u	0.047	mag	[1.5e-5/100] Mean error on upmag (psfMagErr_u) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_g	0.030	mag	Mean error on gpmag (psfMagErr_g) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_r	0.019	mag	Mean error on rpmag (psfMagErr_r) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_i	0.022	mag	Mean error on ipmag (psfMagErr_i) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_z	0.052	mag	Mean error on zpmag (psfMagErr_z) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMag_u	20.078	mag	[-0.4/47.2] Petrosian magnitude in u band (petroMag_u) (Note 4)   (phot.mag;em.opt.U) (PHOT_SDSS_U)
petroMag_g	19.184	mag	[3.7/48] Petrosian magnitude in g band (petroMag_g) (Note 4)   (phot.mag;em.opt.B) (PHOT_SDSS_G)
petroMag_r	19.030	mag	[1.3/48.6] Petrosian magnitude in r band (petroMag_r) (Note 4)   (phot.mag;em.opt.R) (PHOT_SDSS_R)
petroMag_i	19.053	mag	[2.6/48.4] Petrosian magnitude in i band (petroMag_i) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_I)
petroMag_z	18.960	mag	[-2.9/45.1] Petrosian magnitude in z band (petroMag_z) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_Z)
petroMagErr_u	0.067	mag	[1e-7/100] Mean error in uPmag (petroMagErr_u) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_g	0.014	mag	[9.1e-9/100] Mean error in gPmag (petroMagErr_g) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_r	0.017	mag	Mean error in rPmag (petroMagErr_r) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_i	0.025	mag	Mean error in iPmag (petroMagErr_i) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_z	0.094	mag	Mean error in zPmag (petroMagErr_z) (Note 4)   (stat.error;phot.mag) (ERROR)
petroRad_u	2.844	arcsec	[1.2e-6/261] Petrosian radius in u band (petroRad_u) (phys.angSize;src) (EXTENSION_RAD)
petroRad_g	1.777	arcsec	[2.3e-6/261] Petrosian radius in g band (petroRad_g) (phys.angSize;src) (EXTENSION_RAD)
petroRad_r	1.274	arcsec	[4.9e-6/260] Petrosian radius in r band (petroRad_r) (phys.angSize;src) (EXTENSION_RAD)
petroRad_i	1.239	arcsec	[2.2e-6/263] Petrosian radius in i band (petroRad_i) (phys.angSize;src) (EXTENSION_RAD)
petroRad_z	1.449	arcsec	[8.3e-7/261] Petrosian radius in z band (petroRad_z) (phys.angSize;src) (EXTENSION_RAD)
petroRadErr_u	4.501	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_u) (stat.error) (ERROR)
petroRadErr_g	0.038	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_g) (stat.error) (ERROR)
petroRadErr_r	0.033	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_r) (stat.error) (ERROR)
petroRadErr_i	0.056	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_i) (stat.error) (ERROR)
petroRadErr_z	1.529	arcsec	[-1000/257] Mean error in rPrad (petroRadErr_z) (stat.error) (ERROR)
deVRad_u	0.275	arcsec	[0/257] De Vaucouleurs fit radius u band (deVRad_u) (phys.angSize;src) (EXTENSION_RAD)
deVRad_g	0.147	arcsec	[0/238] De Vaucouleurs fit radius g band (deVRad_g) (phys.angSize;src) (EXTENSION_RAD)
deVRad_r	0.015	arcsec	[0/238] De Vaucouleurs fit radius r band (deVRad_r) (phys.angSize;src) (EXTENSION_RAD)
deVRad_i	0.000	arcsec	[0/232] De Vaucouleurs fit radius i band (deVRad_i) (phys.angSize;src) (EXTENSION_RAD)
deVRad_z	0.256	arcsec	[0/238] De Vaucouleurs fit radius z band (deVRad_z) (phys.angSize;src) (EXTENSION_RAD)
deVAB_u	0.083		[0.05/1] De Vaucouleurs fit b/a u band (deVAB_u) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_g	0.452		[0.05/1] De Vaucouleurs fit b/a g band (deVAB_g) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_r	1.000		[0.05/1] De Vaucouleurs fit b/a r band (deVAB_r) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_i	0.729		[0.05/1] De Vaucouleurs fit b/a i band (deVAB_i) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_z	0.403		[0.05/1] De Vaucouleurs fit b/a z band (deVAB_z) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVPhi_u	21.5	deg	[-10105/271] Position angle of dVrad in u band (deVPhi_u) (pos.posAng) (POS_POS-ANG)
deVPhi_g	56.5	deg	[-10105/271] Position angle of dVrad in g band (deVPhi_g) (pos.posAng) (POS_POS-ANG)
deVPhi_r	70.7	deg	[-10105/271] Position angle of dVrad in r band (deVPhi_r) (pos.posAng) (POS_POS-ANG)
deVPhi_i	109.0	deg	[-10105/271] Position angle of dVrad in i band (deVPhi_i) (pos.posAng) (POS_POS-ANG)
deVPhi_z	34.3	deg	[-10105/271] Position angle of dVrad in z band (deVPhi_z) (pos.posAng) (POS_POS-ANG)
flags_u	275297337856		Detection flags u band (flags_u) (Note 3)   (meta.code) (CODE_MISC)
flags_g	275146375170		Detection flags g band (flags_g) (Note 3)   (meta.code) (CODE_MISC)
flags_r	4503874773745666		Detection flags r band (flags_r) (Note 3)   (meta.code) (CODE_MISC)
flags_i	275146510336		Detection flags i band (flags_i) (Note 3)   (meta.code) (CODE_MISC)
flags_z	275280592896		Detection flags z band (flags_z) (Note 3)   (meta.code) (CODE_MISC)
type_u	6		[0/8] Phototype in u band (6=Star ; 3=galaxy) (type_u) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_g	6		[0/8] Phototype in i band (6=Star ; 3=galaxy) (type_g) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_r	6		[0/8] Phototype in r band (6=Star ; 3=galaxy) (type_r) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_i	6		[0/8] Phototype in i band (6=Star ; 3=galaxy) (type_i) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_z	6		[0/8] Phototype in z band (6=Star ; 3=galaxy) (type_z) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_u	1.0		[0/1] 0=notStar 1=Star in u band (probPSF_u) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_g	1.0		[0/1] 0=notStar 1=Star in g band (probPSF_g) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_r	1.0		[0/1] 0=notStar 1=Star in r band (probPSF_r) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_i	1.0		[0/1] 0=notStar 1=Star in i band (probPSF_i) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_z	1.0		[0/1] 0=notStar 1=Star in z band (probPSF_z) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
raErr	0.006	arcsec	[0/51703] Mean error on RAdeg (raErr) (stat.error;pos.eq.ra) (ERROR)
decErr	0.006	arcsec	[0/22795] Mean error on DEdeg (decErr) (stat.error;pos.eq.dec) (ERROR)
offsetRa_u	-0.02	arcsec	Offset of u position along RA (offsetRa_u) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_g	0.00	arcsec	Offset of g position along RA (offsetRa_g) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_r	0.00	arcsec	Offset of r position along RA (offsetRa_r) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_i	0.00	arcsec	Offset of i position along RA (offsetRa_i) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_z	-0.06	arcsec	Offset of z position along RA (offsetRa_z) (pos.angDistance) (POS_EQ_RA_OFF)
offsetDec_u	-0.09	arcsec	Offset of u position along Dec (offsetDec_u) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_g	0.02	arcsec	Offset of g position along Dec (offsetDec_g) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_r	0.00	arcsec	Offset of r position along Dec (offsetDec_r) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_i	0.01	arcsec	Offset of i position along Dec (offsetDec_i) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_z	-0.05	arcsec	Offset of z position along Dec (offsetDec_z) (pos.angDistance) (POS_EQ_DEC_OFF)
parentID	0		Pointer to parent (if object deblended) (meta.id.parent) (ID_PARENT)
specObjID	0		(i) Pointer to the spectrum of object or 0 (specObjID) (Note 6)   (meta.id) (ID_ALTERNATIVE)
u	20.067	mag	(i) [4/37.3] Model magnitude in u filter AB scale (u) (Note 7)   (phot.mag;em.opt.U) (PHOT_SDSS_U)
g	19.117	mag	(i) [3.7/39.6] Model magnitude in g filter AB scale (g) (Note 7)   (phot.mag;em.opt.B) (PHOT_SDSS_G)
r	19.006	mag	(i) [3.8/40.4] Model magnitude in r filter AB scale (r) (Note 7)   (phot.mag;em.opt.R) (PHOT_SDSS_R)
i	19.003	mag	(i) [2.6/39.5] Model magnitude in i filter AB scale (i) (Note 7)   (phot.mag;em.opt.I) (PHOT_SDSS_I)
z	18.990	mag	(i) [3.5/37.2] Model magnitude in z filter AB scale (z) (Note 7)   (phot.mag;em.opt.I) (PHOT_SDSS_Z)
err_u	0.046	mag	[8.9e-8/3444] Mean error on umag (err_u) (stat.error;phot.mag) (ERROR)
err_g	0.011	mag	[3.8e-8/5955] Mean error on gmag (err_g) (stat.error;phot.mag) (ERROR)
err_r	0.011	mag	[5.2e-8/915] Mean error on rmag (err_r) (stat.error;phot.mag) (ERROR)
err_i	0.017	mag	[0/634] Mean error on imag (err_i) (stat.error;phot.mag) (ERROR)
err_z	0.052	mag	[9.4e-8/3529] Mean error on zmag (err_z) (stat.error;phot.mag) (ERROR)
resolveStatus	8		[0/4145] Decimal status (resolveStatus) (Note 5)   (meta.code) (CODE_MISC)
spec_instrument			Spectral instrument used ("SDSS" or "BOSS") (spec_instrument) (Note 6)   (meta.id;instr) (INST_ID)
spec_sourceType			Source type (spec_sourceType) (6) (Note 8)   (src.class) (CLASS_OBJECT)
spec_z			(i) [-0.012/7.06] Spectroscopic final redshift (when SpObjID>0) (spec_z) (Note 6)   (src.redshift) (REDSHIFT_HC)
spec_zErr			[-6/30689] Mean error on zsp (negative for bad fit) (spec_zErr) (Note 6)   (stat.error) (ERROR)
spec_zWarning			[0/902] Zwarning flag (spec_zWarning) (6) (Note 9)   (meta.code) (CODE_MISC)
spec_class			Spectroscopic class: "GALAXY"; "QSO"; "STAR" (spec_class) (Note 6)   (meta.code.class;pos.parallax.spect) (CLASS_STAR/GALAXY)
spec_subClass			Spectroscopic subclass (spec_subClass) (6) (Note 10)   (src.class) (CLASS_OBJECT)
spec_velDisp		km/s	[0/850] Velocity dispersion (spec_velDisp) (Note 6)   (phys.veloc.dispersion) (VELOC_DISP)
spec_velDispErr		km/s	[-7/4526] Mean error on Vdisp (spec_velDispErr) (Note 6)   (stat.error) (ERROR)
spec_snMedian			[-1927/132] Median signal-to-noise over all good pixels (spec_snMedian) (Note 6)   (em.wl.central;stat.median) (INST_S/N)
pm_match			[0/4] Number of USNO-B objects matched within 1arcsec (pm_match) (Note 11)   (meta.number) (NUMBER)
pm_pmRa		mas/yr	[-6121/5519] Proper motion along Right Ascension (pm_pmRa) (Note 11)   (pos.pm;pos.eq.ra) (POS_EQ_PMRA)
pm_pmDec		mas/yr	[-4846/4437] Proper motion along Declination (pm_pmDec) (Note 11)   (pos.pm;pos.eq.dec) (POS_EQ_PMDEC)
pm_pmRaErr		mas/yr	[0/4709] Mean error on pmRA (pm_pmRaErr) (Note 11)   (stat.error;pos.pm;pos.eq.ra) (ERROR)
pm_pmDecErr		mas/yr	[0/4709] Mean error on pmDE (pm_pmDecErr) (Note 11)   (stat.error;pos.pm;pos.eq.dec) (ERROR)
pm_sigRa		mas	[0/8662] RMS residual of proper motion fit in RA (pm_sigRa) (Note 11)   (stat.fit.residual) (FIT_RESIDUAL)
pm_sigDec		mas	[0/10625] RMS residual of proper motion fit in Dec (pm_sigDec) (Note 11)   (stat.fit.residual) (FIT_RESIDUAL)
pm_nFit			[0/6] Number of detections used in the pm fit including SDSS (pm_nFit) (Note 11)   (meta.number) (NUMBER)
pm_O			[-214740/70189] Magnitude from USNO-B O plate recalibrated to SDSS g (pm_O) (Note 11)   (phot.mag;em.opt.B) (PHOT_PHG_B)
pm_E			Magnitude from E plate recalibrated to SDSS r (pm_E) (Note 11)   (phot.mag;em.opt.R) (PHOT_PHG_R)
pm_J			Magnitude from J plate recalibrated to SDSS g (pm_J) (Note 11)   (phot.mag;em.opt.B) (PHOT_PHG_B)
pm_F			Magnitude from F plate recalibrated to SDSS r (pm_F) (Note 11)   (phot.mag;em.opt.R) (PHOT_PHG_R)
pm_N			Magnitude from N plate recalibrated to SDSS i (pm_N) (Note 11)   (phot.mag;em.opt.I) (PHOT_PHG_I)
photoz_z			(i) [5e-4/1] Photometric redshift estimated by robust fit to nearest neighbors in a reference set (photoz_z) (Note 12)   (src.redshift) (REDSHIFT_PHOT)
photoz_zErr			[0.003/0.3] Estimated error of the photometric redshift (photoz_zErr) (Note 12)   (stat.error) (ERROR)
photoz_nnAvgZ			[0.009/0.9] Average redshift of the nearest neighbors; if significantly different from zph this might be a better estimate than zph (photoz_nnAvgZ) (Note 12)   (src.redshift.phot) (REDSHIFT_PHOT)
photoz_chisq			[2e-12/6.3e7] Chi-square value for the minimum chi-square template fit (photoz_chisq) (Note 12)   (stat.value) (FIT_CHI2)
field_quality	3		[1/3] Quality of the observation: 1=bad; 2=barely acceptable; 3=good (field_quality) (Note 13)   (meta.code.qual;obs.param;obs) (CODE_QUALITY)
field_mjd_u	52196.3381	d	Date of observation in u band (field_mjd_u) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_g	52196.3398	d	Date of observation in g band (field_mjd_g) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_r	52196.3365	d	Date of observation in r band (field_mjd_r) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_i	52196.3373	d	Date of observation in i band (field_mjd_i) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_z	52196.3390	d	Date of observation in z band (field_mjd_z) (Note 13)   (time.epoch) (TIME_DATE)
SDSS16	SDSS J002716.16-000240.3		(i) SDSS-DR16 name based on J2000 position; provided by CDS (meta.id) (ID_ALTERNATIVE)
SDSS-ID	2650-301-3-0022-0098		(i) SDSS object identifier (run-rerun-camcol-field-object) (Note 1)   (meta.id) (ID_ALTERNATIVE)
Sp-ID			(i) Spectroscopic Plate-MJD-Fiber identifier (plate-mjd-fiberID) (meta.id) (ID_ALTERNATIVE)
MJD	52196.3381	d	Mean observation date (average calculated by CDS from the uMJD, gMJD, rMJD, iMJD, zMJD) (time.epoch) (TIME_DATE)

Column	Value		Explain   (UCD)
_r	0.096	arcsec	Distance from center (006.817346-00.044534)[ICRS], at Epoch of catalog (MJD) (pos.angDistance) (POS_ANG_DIST_GENERAL)
_RAJ2000	00 27 16.16586	"h:m:s"	Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra) (POS_EQ_RA)
_DEJ2000	-00 02 40.3922	"d:m:s"	Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_RAB1950	00 24 42.44002	"h:m:s"	Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra) (POS_EQ_RA)
_DEB1950	-00 19 16.0049	"d:m:s"	Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_Glon	109.84398812	deg	Galactic longitude at Epoch=J0. (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lon) (POS_GAL_LON)
_Glat	-62.30058181	deg	Galactic latitude at Epoch=J0. (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lat) (POS_GAL_LAT)
objID	1237666635537252603		(i) SDSS unique object identifier (1) (links to online SDSS-DR16 data) (Note)   (meta.id;meta.main) (ID_MAIN)
ra	006.817353	deg	(i) Right Ascension of the object (ICRS) at Epoch="MJD" (ra) (pos.eq.ra;meta.main) (POS_EQ_RA_MAIN)
dec	-00.044560	deg	(i) Declination of the object (ICRS) at Epoch="MJD" (dec) (pos.eq.dec;meta.main) (POS_EQ_DEC_MAIN)
fieldID	1237666635537252352		The field this object is in (meta.note) (ID_FIELD)
mode	2		[1/4] PhotoMode (1=primary, 2=secondary, 3=family, 4=outside) (meta.code.class) (CLASS_CODE)
type	6		[0/8] Type of object (3=galaxy, 6=star) (type) (Note 2)   (src.class) (CLASS_OBJECT)
clean	0		[0/1] Clean photometry flag (1=clean; 0=unclean) (meta.code) (CODE_MISC)
flags	68987912192		Photo Object Attribute flags (Note 3)   (meta.code.error) (CODE_MISC)
psfMag_u	20.125	mag	(i) [4/35] PSF magnitude in u band (psfMag_u) (Note 4)   (phot.mag;em.opt.U) (PHOT_SDSS_U)
psfMag_g	19.137	mag	[3.7/37] PSF magnitude in g band (psfMag_g) (Note 4)   (phot.mag;em.opt.B) (PHOT_SDSS_G)
psfMag_r	19.025	mag	[3.8/36] PSF magnitude in r band (psfMag_r) (Note 4)   (phot.mag;em.opt.R) (PHOT_SDSS_R)
psfMag_i	19.017	mag	[2.6/34] PSF magnitude in i band (psfMag_i) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_I)
psfMag_z	19.040	mag	[3.8/33.3] PSF magnitude in z band (psfMag_z) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_Z)
psfMagErr_u	0.055	mag	[1.5e-5/100] Mean error on upmag (psfMagErr_u) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_g	0.028	mag	Mean error on gpmag (psfMagErr_g) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_r	0.019	mag	Mean error on rpmag (psfMagErr_r) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_i	0.020	mag	Mean error on ipmag (psfMagErr_i) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_z	0.055	mag	Mean error on zpmag (psfMagErr_z) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMag_u	20.024	mag	[-0.4/47.2] Petrosian magnitude in u band (petroMag_u) (Note 4)   (phot.mag;em.opt.U) (PHOT_SDSS_U)
petroMag_g	19.171	mag	[3.7/48] Petrosian magnitude in g band (petroMag_g) (Note 4)   (phot.mag;em.opt.B) (PHOT_SDSS_G)
petroMag_r	19.044	mag	[1.3/48.6] Petrosian magnitude in r band (petroMag_r) (Note 4)   (phot.mag;em.opt.R) (PHOT_SDSS_R)
petroMag_i	19.014	mag	[2.6/48.4] Petrosian magnitude in i band (petroMag_i) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_I)
petroMag_z	19.076	mag	[-2.9/45.1] Petrosian magnitude in z band (petroMag_z) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_Z)
petroMagErr_u	0.093	mag	[1e-7/100] Mean error in uPmag (petroMagErr_u) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_g	0.022	mag	[9.1e-9/100] Mean error in gPmag (petroMagErr_g) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_r	0.024	mag	Mean error in rPmag (petroMagErr_r) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_i	0.033	mag	Mean error in iPmag (petroMagErr_i) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_z	0.132	mag	Mean error in zPmag (petroMagErr_z) (Note 4)   (stat.error;phot.mag) (ERROR)
petroRad_u	2.117	arcsec	[1.2e-6/261] Petrosian radius in u band (petroRad_u) (phys.angSize;src) (EXTENSION_RAD)
petroRad_g	1.762	arcsec	[2.3e-6/261] Petrosian radius in g band (petroRad_g) (phys.angSize;src) (EXTENSION_RAD)
petroRad_r	1.582	arcsec	[4.9e-6/260] Petrosian radius in r band (petroRad_r) (phys.angSize;src) (EXTENSION_RAD)
petroRad_i	1.437	arcsec	[2.2e-6/263] Petrosian radius in i band (petroRad_i) (phys.angSize;src) (EXTENSION_RAD)
petroRad_z	1.448	arcsec	[8.3e-7/261] Petrosian radius in z band (petroRad_z) (phys.angSize;src) (EXTENSION_RAD)
petroRadErr_u	0.634	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_u) (stat.error) (ERROR)
petroRadErr_g	0.043	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_g) (stat.error) (ERROR)
petroRadErr_r	0.056	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_r) (stat.error) (ERROR)
petroRadErr_i	0.070	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_i) (stat.error) (ERROR)
petroRadErr_z	0.236	arcsec	[-1000/257] Mean error in rPrad (petroRadErr_z) (stat.error) (ERROR)
deVRad_u	0.145	arcsec	[0/257] De Vaucouleurs fit radius u band (deVRad_u) (phys.angSize;src) (EXTENSION_RAD)
deVRad_g	0.082	arcsec	[0/238] De Vaucouleurs fit radius g band (deVRad_g) (phys.angSize;src) (EXTENSION_RAD)
deVRad_r	0.067	arcsec	[0/238] De Vaucouleurs fit radius r band (deVRad_r) (phys.angSize;src) (EXTENSION_RAD)
deVRad_i	0.069	arcsec	[0/232] De Vaucouleurs fit radius i band (deVRad_i) (phys.angSize;src) (EXTENSION_RAD)
deVRad_z	0.030	arcsec	[0/238] De Vaucouleurs fit radius z band (deVRad_z) (phys.angSize;src) (EXTENSION_RAD)
deVAB_u	0.148		[0.05/1] De Vaucouleurs fit b/a u band (deVAB_u) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_g	1.000		[0.05/1] De Vaucouleurs fit b/a g band (deVAB_g) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_r	0.350		[0.05/1] De Vaucouleurs fit b/a r band (deVAB_r) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_i	1.000		[0.05/1] De Vaucouleurs fit b/a i band (deVAB_i) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_z	0.393		[0.05/1] De Vaucouleurs fit b/a z band (deVAB_z) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVPhi_u	29.8	deg	[-10105/271] Position angle of dVrad in u band (deVPhi_u) (pos.posAng) (POS_POS-ANG)
deVPhi_g	48.4	deg	[-10105/271] Position angle of dVrad in g band (deVPhi_g) (pos.posAng) (POS_POS-ANG)
deVPhi_r	15.5	deg	[-10105/271] Position angle of dVrad in r band (deVPhi_r) (pos.posAng) (POS_POS-ANG)
deVPhi_i	67.8	deg	[-10105/271] Position angle of dVrad in i band (deVPhi_i) (pos.posAng) (POS_POS-ANG)
deVPhi_z	73.4	deg	[-10105/271] Position angle of dVrad in z band (deVPhi_z) (pos.posAng) (POS_POS-ANG)
flags_u	275146375168		Detection flags u band (flags_u) (Note 3)   (meta.code) (CODE_MISC)
flags_g	275146375168		Detection flags g band (flags_g) (Note 3)   (meta.code) (CODE_MISC)
flags_r	4503874773745664		Detection flags r band (flags_r) (Note 3)   (meta.code) (CODE_MISC)
flags_i	275146375168		Detection flags i band (flags_i) (Note 3)   (meta.code) (CODE_MISC)
flags_z	275280592896		Detection flags z band (flags_z) (Note 3)   (meta.code) (CODE_MISC)
type_u	6		[0/8] Phototype in u band (6=Star ; 3=galaxy) (type_u) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_g	6		[0/8] Phototype in i band (6=Star ; 3=galaxy) (type_g) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_r	6		[0/8] Phototype in r band (6=Star ; 3=galaxy) (type_r) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_i	6		[0/8] Phototype in i band (6=Star ; 3=galaxy) (type_i) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_z	6		[0/8] Phototype in z band (6=Star ; 3=galaxy) (type_z) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_u	1.0		[0/1] 0=notStar 1=Star in u band (probPSF_u) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_g	1.0		[0/1] 0=notStar 1=Star in g band (probPSF_g) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_r	1.0		[0/1] 0=notStar 1=Star in r band (probPSF_r) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_i	1.0		[0/1] 0=notStar 1=Star in i band (probPSF_i) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_z	1.0		[0/1] 0=notStar 1=Star in z band (probPSF_z) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
raErr	0.009	arcsec	[0/51703] Mean error on RAdeg (raErr) (stat.error;pos.eq.ra) (ERROR)
decErr	0.010	arcsec	[0/22795] Mean error on DEdeg (decErr) (stat.error;pos.eq.dec) (ERROR)
offsetRa_u	0.10	arcsec	Offset of u position along RA (offsetRa_u) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_g	0.09	arcsec	Offset of g position along RA (offsetRa_g) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_r	0.00	arcsec	Offset of r position along RA (offsetRa_r) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_i	0.02	arcsec	Offset of i position along RA (offsetRa_i) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_z	-0.02	arcsec	Offset of z position along RA (offsetRa_z) (pos.angDistance) (POS_EQ_RA_OFF)
offsetDec_u	0.09	arcsec	Offset of u position along Dec (offsetDec_u) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_g	0.08	arcsec	Offset of g position along Dec (offsetDec_g) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_r	0.00	arcsec	Offset of r position along Dec (offsetDec_r) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_i	0.03	arcsec	Offset of i position along Dec (offsetDec_i) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_z	0.05	arcsec	Offset of z position along Dec (offsetDec_z) (pos.angDistance) (POS_EQ_DEC_OFF)
parentID	0		Pointer to parent (if object deblended) (meta.id.parent) (ID_PARENT)
specObjID	0		(i) Pointer to the spectrum of object or 0 (specObjID) (Note 6)   (meta.id) (ID_ALTERNATIVE)
u	20.120	mag	(i) [4/37.3] Model magnitude in u filter AB scale (u) (Note 7)   (phot.mag;em.opt.U) (PHOT_SDSS_U)
g	19.128	mag	(i) [3.7/39.6] Model magnitude in g filter AB scale (g) (Note 7)   (phot.mag;em.opt.B) (PHOT_SDSS_G)
r	19.017	mag	(i) [3.8/40.4] Model magnitude in r filter AB scale (r) (Note 7)   (phot.mag;em.opt.R) (PHOT_SDSS_R)
i	19.006	mag	(i) [2.6/39.5] Model magnitude in i filter AB scale (i) (Note 7)   (phot.mag;em.opt.I) (PHOT_SDSS_I)
z	19.040	mag	(i) [3.5/37.2] Model magnitude in z filter AB scale (z) (Note 7)   (phot.mag;em.opt.I) (PHOT_SDSS_Z)
err_u	0.056	mag	[8.9e-8/3444] Mean error on umag (err_u) (stat.error;phot.mag) (ERROR)
err_g	0.014	mag	[3.8e-8/5955] Mean error on gmag (err_g) (stat.error;phot.mag) (ERROR)
err_r	0.014	mag	[5.2e-8/915] Mean error on rmag (err_r) (stat.error;phot.mag) (ERROR)
err_i	0.016	mag	[0/634] Mean error on imag (err_i) (stat.error;phot.mag) (ERROR)
err_z	0.057	mag	[9.4e-8/3529] Mean error on zmag (err_z) (stat.error;phot.mag) (ERROR)
resolveStatus	1025		[0/4145] Decimal status (resolveStatus) (Note 5)   (meta.code) (CODE_MISC)
spec_instrument			Spectral instrument used ("SDSS" or "BOSS") (spec_instrument) (Note 6)   (meta.id;instr) (INST_ID)
spec_sourceType			Source type (spec_sourceType) (6) (Note 8)   (src.class) (CLASS_OBJECT)
spec_z			(i) [-0.012/7.06] Spectroscopic final redshift (when SpObjID>0) (spec_z) (Note 6)   (src.redshift) (REDSHIFT_HC)
spec_zErr			[-6/30689] Mean error on zsp (negative for bad fit) (spec_zErr) (Note 6)   (stat.error) (ERROR)
spec_zWarning			[0/902] Zwarning flag (spec_zWarning) (6) (Note 9)   (meta.code) (CODE_MISC)
spec_class			Spectroscopic class: "GALAXY"; "QSO"; "STAR" (spec_class) (Note 6)   (meta.code.class;pos.parallax.spect) (CLASS_STAR/GALAXY)
spec_subClass			Spectroscopic subclass (spec_subClass) (6) (Note 10)   (src.class) (CLASS_OBJECT)
spec_velDisp		km/s	[0/850] Velocity dispersion (spec_velDisp) (Note 6)   (phys.veloc.dispersion) (VELOC_DISP)
spec_velDispErr		km/s	[-7/4526] Mean error on Vdisp (spec_velDispErr) (Note 6)   (stat.error) (ERROR)
spec_snMedian			[-1927/132] Median signal-to-noise over all good pixels (spec_snMedian) (Note 6)   (em.wl.central;stat.median) (INST_S/N)
pm_match	1		[0/4] Number of USNO-B objects matched within 1arcsec (pm_match) (Note 11)   (meta.number) (NUMBER)
pm_pmRa	-3.37	mas/yr	[-6121/5519] Proper motion along Right Ascension (pm_pmRa) (Note 11)   (pos.pm;pos.eq.ra) (POS_EQ_PMRA)
pm_pmDec	-4.67	mas/yr	[-4846/4437] Proper motion along Declination (pm_pmDec) (Note 11)   (pos.pm;pos.eq.dec) (POS_EQ_PMDEC)
pm_pmRaErr	3.10	mas/yr	[0/4709] Mean error on pmRA (pm_pmRaErr) (Note 11)   (stat.error;pos.pm;pos.eq.ra) (ERROR)
pm_pmDecErr	3.10	mas/yr	[0/4709] Mean error on pmDE (pm_pmDecErr) (Note 11)   (stat.error;pos.pm;pos.eq.dec) (ERROR)
pm_sigRa	139.99	mas	[0/8662] RMS residual of proper motion fit in RA (pm_sigRa) (Note 11)   (stat.fit.residual) (FIT_RESIDUAL)
pm_sigDec	208.05	mas	[0/10625] RMS residual of proper motion fit in Dec (pm_sigDec) (Note 11)   (stat.fit.residual) (FIT_RESIDUAL)
pm_nFit	5		[0/6] Number of detections used in the pm fit including SDSS (pm_nFit) (Note 11)   (meta.number) (NUMBER)
pm_O	18.8		[-214740/70189] Magnitude from USNO-B O plate recalibrated to SDSS g (pm_O) (Note 11)   (phot.mag;em.opt.B) (PHOT_PHG_B)
pm_E	19.1		Magnitude from E plate recalibrated to SDSS r (pm_E) (Note 11)   (phot.mag;em.opt.R) (PHOT_PHG_R)
pm_J	19.2		Magnitude from J plate recalibrated to SDSS g (pm_J) (Note 11)   (phot.mag;em.opt.B) (PHOT_PHG_B)
pm_F	19.0		Magnitude from F plate recalibrated to SDSS r (pm_F) (Note 11)   (phot.mag;em.opt.R) (PHOT_PHG_R)
pm_N	0.0		Magnitude from N plate recalibrated to SDSS i (pm_N) (Note 11)   (phot.mag;em.opt.I) (PHOT_PHG_I)
photoz_z			(i) [5e-4/1] Photometric redshift estimated by robust fit to nearest neighbors in a reference set (photoz_z) (Note 12)   (src.redshift) (REDSHIFT_PHOT)
photoz_zErr			[0.003/0.3] Estimated error of the photometric redshift (photoz_zErr) (Note 12)   (stat.error) (ERROR)
photoz_nnAvgZ			[0.009/0.9] Average redshift of the nearest neighbors; if significantly different from zph this might be a better estimate than zph (photoz_nnAvgZ) (Note 12)   (src.redshift.phot) (REDSHIFT_PHOT)
photoz_chisq			[2e-12/6.3e7] Chi-square value for the minimum chi-square template fit (photoz_chisq) (Note 12)   (stat.value) (FIT_CHI2)
field_quality	3		[1/3] Quality of the observation: 1=bad; 2=barely acceptable; 3=good (field_quality) (Note 13)   (meta.code.qual;obs.param;obs) (CODE_QUALITY)
field_mjd_u	53312.2210	d	Date of observation in u band (field_mjd_u) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_g	53312.2227	d	Date of observation in g band (field_mjd_g) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_r	53312.2194	d	Date of observation in r band (field_mjd_r) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_i	53312.2202	d	Date of observation in i band (field_mjd_i) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_z	53312.2218	d	Date of observation in z band (field_mjd_z) (Note 13)   (time.epoch) (TIME_DATE)
SDSS16	SDSS J002716.16-000240.4		(i) SDSS-DR16 name based on J2000 position; provided by CDS (meta.id) (ID_ALTERNATIVE)
SDSS-ID	4927-301-3-0397-0251		(i) SDSS object identifier (run-rerun-camcol-field-object) (Note 1)   (meta.id) (ID_ALTERNATIVE)
Sp-ID			(i) Spectroscopic Plate-MJD-Fiber identifier (plate-mjd-fiberID) (meta.id) (ID_ALTERNATIVE)
MJD	53312.2210	d	Mean observation date (average calculated by CDS from the uMJD, gMJD, rMJD, iMJD, zMJD) (time.epoch) (TIME_DATE)

Column	Value		Explain   (UCD)
_r	0.096	arcsec	Distance from center (006.817346-00.044534)[ICRS], at Epoch of catalog (MJD) (pos.angDistance) (POS_ANG_DIST_GENERAL)
_RAJ2000	00 27 16.16730	"h:m:s"	Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra) (POS_EQ_RA)
_DEJ2000	-00 02 40.2388	"d:m:s"	Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_RAB1950	00 24 42.43812	"h:m:s"	Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra) (POS_EQ_RA)
_DEB1950	-00 19 16.0564	"d:m:s"	Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_Glon	109.84402448	deg	Galactic longitude at Epoch=J0. (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lon) (POS_GAL_LON)
_Glat	-62.30053613	deg	Galactic latitude at Epoch=J0. (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lat) (POS_GAL_LAT)
objID	1237666541025034370		(i) SDSS unique object identifier (1) (links to online SDSS-DR16 data) (Note)   (meta.id;meta.main) (ID_MAIN)
ra	006.817361	deg	(i) Right Ascension of the object (ICRS) at Epoch="MJD" (ra) (pos.eq.ra;meta.main) (POS_EQ_RA_MAIN)
dec	-00.044512	deg	(i) Declination of the object (ICRS) at Epoch="MJD" (dec) (pos.eq.dec;meta.main) (POS_EQ_DEC_MAIN)
fieldID	1237666541025034240		The field this object is in (meta.note) (ID_FIELD)
mode	2		[1/4] PhotoMode (1=primary, 2=secondary, 3=family, 4=outside) (meta.code.class) (CLASS_CODE)
type	6		[0/8] Type of object (3=galaxy, 6=star) (type) (Note 2)   (src.class) (CLASS_OBJECT)
clean	0		[0/1] Clean photometry flag (1=clean; 0=unclean) (meta.code) (CODE_MISC)
flags	68988043776		Photo Object Attribute flags (Note 3)   (meta.code.error) (CODE_MISC)
psfMag_u	20.284	mag	(i) [4/35] PSF magnitude in u band (psfMag_u) (Note 4)   (phot.mag;em.opt.U) (PHOT_SDSS_U)
psfMag_g	19.151	mag	[3.7/37] PSF magnitude in g band (psfMag_g) (Note 4)   (phot.mag;em.opt.B) (PHOT_SDSS_G)
psfMag_r	18.987	mag	[3.8/36] PSF magnitude in r band (psfMag_r) (Note 4)   (phot.mag;em.opt.R) (PHOT_SDSS_R)
psfMag_i	18.995	mag	[2.6/34] PSF magnitude in i band (psfMag_i) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_I)
psfMag_z	19.037	mag	[3.8/33.3] PSF magnitude in z band (psfMag_z) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_Z)
psfMagErr_u	0.051	mag	[1.5e-5/100] Mean error on upmag (psfMagErr_u) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_g	0.020	mag	Mean error on gpmag (psfMagErr_g) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_r	0.022	mag	Mean error on rpmag (psfMagErr_r) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_i	0.020	mag	Mean error on ipmag (psfMagErr_i) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_z	0.052	mag	Mean error on zpmag (psfMagErr_z) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMag_u	20.217	mag	[-0.4/47.2] Petrosian magnitude in u band (petroMag_u) (Note 4)   (phot.mag;em.opt.U) (PHOT_SDSS_U)
petroMag_g	19.149	mag	[3.7/48] Petrosian magnitude in g band (petroMag_g) (Note 4)   (phot.mag;em.opt.B) (PHOT_SDSS_G)
petroMag_r	19.062	mag	[1.3/48.6] Petrosian magnitude in r band (petroMag_r) (Note 4)   (phot.mag;em.opt.R) (PHOT_SDSS_R)
petroMag_i	19.056	mag	[2.6/48.4] Petrosian magnitude in i band (petroMag_i) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_I)
petroMag_z	19.158	mag	[-2.9/45.1] Petrosian magnitude in z band (petroMag_z) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_Z)
petroMagErr_u	0.077	mag	[1e-7/100] Mean error in uPmag (petroMagErr_u) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_g	0.013	mag	[9.1e-9/100] Mean error in gPmag (petroMagErr_g) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_r	0.021	mag	Mean error in rPmag (petroMagErr_r) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_i	0.028	mag	Mean error in iPmag (petroMagErr_i) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_z	0.115	mag	Mean error in zPmag (petroMagErr_z) (Note 4)   (stat.error;phot.mag) (ERROR)
petroRad_u	1.522	arcsec	[1.2e-6/261] Petrosian radius in u band (petroRad_u) (phys.angSize;src) (EXTENSION_RAD)
petroRad_g	1.279	arcsec	[2.3e-6/261] Petrosian radius in g band (petroRad_g) (phys.angSize;src) (EXTENSION_RAD)
petroRad_r	1.192	arcsec	[4.9e-6/260] Petrosian radius in r band (petroRad_r) (phys.angSize;src) (EXTENSION_RAD)
petroRad_i	0.951	arcsec	[2.2e-6/263] Petrosian radius in i band (petroRad_i) (phys.angSize;src) (EXTENSION_RAD)
petroRad_z	1.000	arcsec	[8.3e-7/261] Petrosian radius in z band (petroRad_z) (phys.angSize;src) (EXTENSION_RAD)
petroRadErr_u	0.126	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_u) (stat.error) (ERROR)
petroRadErr_g	0.025	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_g) (stat.error) (ERROR)
petroRadErr_r	0.039	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_r) (stat.error) (ERROR)
petroRadErr_i	0.033	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_i) (stat.error) (ERROR)
petroRadErr_z	0.893	arcsec	[-1000/257] Mean error in rPrad (petroRadErr_z) (stat.error) (ERROR)
deVRad_u	0.267	arcsec	[0/257] De Vaucouleurs fit radius u band (deVRad_u) (phys.angSize;src) (EXTENSION_RAD)
deVRad_g	0.098	arcsec	[0/238] De Vaucouleurs fit radius g band (deVRad_g) (phys.angSize;src) (EXTENSION_RAD)
deVRad_r	0.000	arcsec	[0/238] De Vaucouleurs fit radius r band (deVRad_r) (phys.angSize;src) (EXTENSION_RAD)
deVRad_i	0.000	arcsec	[0/232] De Vaucouleurs fit radius i band (deVRad_i) (phys.angSize;src) (EXTENSION_RAD)
deVRad_z	0.155	arcsec	[0/238] De Vaucouleurs fit radius z band (deVRad_z) (phys.angSize;src) (EXTENSION_RAD)
deVAB_u	0.050		[0.05/1] De Vaucouleurs fit b/a u band (deVAB_u) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_g	0.569		[0.05/1] De Vaucouleurs fit b/a g band (deVAB_g) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_r	0.581		[0.05/1] De Vaucouleurs fit b/a r band (deVAB_r) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_i	0.336		[0.05/1] De Vaucouleurs fit b/a i band (deVAB_i) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_z	0.066		[0.05/1] De Vaucouleurs fit b/a z band (deVAB_z) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVPhi_u	23.2	deg	[-10105/271] Position angle of dVrad in u band (deVPhi_u) (pos.posAng) (POS_POS-ANG)
deVPhi_g	71.0	deg	[-10105/271] Position angle of dVrad in g band (deVPhi_g) (pos.posAng) (POS_POS-ANG)
deVPhi_r	132.5	deg	[-10105/271] Position angle of dVrad in r band (deVPhi_r) (pos.posAng) (POS_POS-ANG)
deVPhi_i	136.7	deg	[-10105/271] Position angle of dVrad in i band (deVPhi_i) (pos.posAng) (POS_POS-ANG)
deVPhi_z	70.9	deg	[-10105/271] Position angle of dVrad in z band (deVPhi_z) (pos.posAng) (POS_POS-ANG)
flags_u	275280593408		Detection flags u band (flags_u) (Note 3)   (meta.code) (CODE_MISC)
flags_g	268468224		Detection flags g band (flags_g) (Note 3)   (meta.code) (CODE_MISC)
flags_r	4503599895838720		Detection flags r band (flags_r) (Note 3)   (meta.code) (CODE_MISC)
flags_i	275146506240		Detection flags i band (flags_i) (Note 3)   (meta.code) (CODE_MISC)
flags_z	275280593408		Detection flags z band (flags_z) (Note 3)   (meta.code) (CODE_MISC)
type_u	6		[0/8] Phototype in u band (6=Star ; 3=galaxy) (type_u) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_g	6		[0/8] Phototype in i band (6=Star ; 3=galaxy) (type_g) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_r	6		[0/8] Phototype in r band (6=Star ; 3=galaxy) (type_r) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_i	6		[0/8] Phototype in i band (6=Star ; 3=galaxy) (type_i) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_z	6		[0/8] Phototype in z band (6=Star ; 3=galaxy) (type_z) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_u	1.0		[0/1] 0=notStar 1=Star in u band (probPSF_u) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_g	1.0		[0/1] 0=notStar 1=Star in g band (probPSF_g) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_r	1.0		[0/1] 0=notStar 1=Star in r band (probPSF_r) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_i	1.0		[0/1] 0=notStar 1=Star in i band (probPSF_i) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_z	1.0		[0/1] 0=notStar 1=Star in z band (probPSF_z) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
raErr	0.007	arcsec	[0/51703] Mean error on RAdeg (raErr) (stat.error;pos.eq.ra) (ERROR)
decErr	0.007	arcsec	[0/22795] Mean error on DEdeg (decErr) (stat.error;pos.eq.dec) (ERROR)
offsetRa_u	-0.01	arcsec	Offset of u position along RA (offsetRa_u) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_g	0.09	arcsec	Offset of g position along RA (offsetRa_g) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_r	0.00	arcsec	Offset of r position along RA (offsetRa_r) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_i	0.01	arcsec	Offset of i position along RA (offsetRa_i) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_z	0.01	arcsec	Offset of z position along RA (offsetRa_z) (pos.angDistance) (POS_EQ_RA_OFF)
offsetDec_u	-0.04	arcsec	Offset of u position along Dec (offsetDec_u) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_g	0.04	arcsec	Offset of g position along Dec (offsetDec_g) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_r	0.00	arcsec	Offset of r position along Dec (offsetDec_r) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_i	-0.02	arcsec	Offset of i position along Dec (offsetDec_i) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_z	0.01	arcsec	Offset of z position along Dec (offsetDec_z) (pos.angDistance) (POS_EQ_DEC_OFF)
parentID	1237666541025034369		Pointer to parent (if object deblended) (meta.id.parent) (ID_PARENT)
specObjID	0		(i) Pointer to the spectrum of object or 0 (specObjID) (Note 6)   (meta.id) (ID_ALTERNATIVE)
u	20.265	mag	(i) [4/37.3] Model magnitude in u filter AB scale (u) (Note 7)   (phot.mag;em.opt.U) (PHOT_SDSS_U)
g	19.131	mag	(i) [3.7/39.6] Model magnitude in g filter AB scale (g) (Note 7)   (phot.mag;em.opt.B) (PHOT_SDSS_G)
r	18.996	mag	(i) [3.8/40.4] Model magnitude in r filter AB scale (r) (Note 7)   (phot.mag;em.opt.R) (PHOT_SDSS_R)
i	19.005	mag	(i) [2.6/39.5] Model magnitude in i filter AB scale (i) (Note 7)   (phot.mag;em.opt.I) (PHOT_SDSS_I)
z	19.034	mag	(i) [3.5/37.2] Model magnitude in z filter AB scale (z) (Note 7)   (phot.mag;em.opt.I) (PHOT_SDSS_Z)
err_u	0.053	mag	[8.9e-8/3444] Mean error on umag (err_u) (stat.error;phot.mag) (ERROR)
err_g	0.011	mag	[3.8e-8/5955] Mean error on gmag (err_g) (stat.error;phot.mag) (ERROR)
err_r	0.013	mag	[5.2e-8/915] Mean error on rmag (err_r) (stat.error;phot.mag) (ERROR)
err_i	0.015	mag	[0/634] Mean error on imag (err_i) (stat.error;phot.mag) (ERROR)
err_z	0.052	mag	[9.4e-8/3529] Mean error on zmag (err_z) (stat.error;phot.mag) (ERROR)
resolveStatus	1025		[0/4145] Decimal status (resolveStatus) (Note 5)   (meta.code) (CODE_MISC)
spec_instrument			Spectral instrument used ("SDSS" or "BOSS") (spec_instrument) (Note 6)   (meta.id;instr) (INST_ID)
spec_sourceType			Source type (spec_sourceType) (6) (Note 8)   (src.class) (CLASS_OBJECT)
spec_z			(i) [-0.012/7.06] Spectroscopic final redshift (when SpObjID>0) (spec_z) (Note 6)   (src.redshift) (REDSHIFT_HC)
spec_zErr			[-6/30689] Mean error on zsp (negative for bad fit) (spec_zErr) (Note 6)   (stat.error) (ERROR)
spec_zWarning			[0/902] Zwarning flag (spec_zWarning) (6) (Note 9)   (meta.code) (CODE_MISC)
spec_class			Spectroscopic class: "GALAXY"; "QSO"; "STAR" (spec_class) (Note 6)   (meta.code.class;pos.parallax.spect) (CLASS_STAR/GALAXY)
spec_subClass			Spectroscopic subclass (spec_subClass) (6) (Note 10)   (src.class) (CLASS_OBJECT)
spec_velDisp		km/s	[0/850] Velocity dispersion (spec_velDisp) (Note 6)   (phys.veloc.dispersion) (VELOC_DISP)
spec_velDispErr		km/s	[-7/4526] Mean error on Vdisp (spec_velDispErr) (Note 6)   (stat.error) (ERROR)
spec_snMedian			[-1927/132] Median signal-to-noise over all good pixels (spec_snMedian) (Note 6)   (em.wl.central;stat.median) (INST_S/N)
pm_match	1		[0/4] Number of USNO-B objects matched within 1arcsec (pm_match) (Note 11)   (meta.number) (NUMBER)
pm_pmRa	-2.37	mas/yr	[-6121/5519] Proper motion along Right Ascension (pm_pmRa) (Note 11)   (pos.pm;pos.eq.ra) (POS_EQ_PMRA)
pm_pmDec	-0.57	mas/yr	[-4846/4437] Proper motion along Declination (pm_pmDec) (Note 11)   (pos.pm;pos.eq.dec) (POS_EQ_PMDEC)
pm_pmRaErr	3.11	mas/yr	[0/4709] Mean error on pmRA (pm_pmRaErr) (Note 11)   (stat.error;pos.pm;pos.eq.ra) (ERROR)
pm_pmDecErr	3.11	mas/yr	[0/4709] Mean error on pmDE (pm_pmDecErr) (Note 11)   (stat.error;pos.pm;pos.eq.dec) (ERROR)
pm_sigRa	140.45	mas	[0/8662] RMS residual of proper motion fit in RA (pm_sigRa) (Note 11)   (stat.fit.residual) (FIT_RESIDUAL)
pm_sigDec	187.83	mas	[0/10625] RMS residual of proper motion fit in Dec (pm_sigDec) (Note 11)   (stat.fit.residual) (FIT_RESIDUAL)
pm_nFit	5		[0/6] Number of detections used in the pm fit including SDSS (pm_nFit) (Note 11)   (meta.number) (NUMBER)
pm_O	18.9		[-214740/70189] Magnitude from USNO-B O plate recalibrated to SDSS g (pm_O) (Note 11)   (phot.mag;em.opt.B) (PHOT_PHG_B)
pm_E	19.1		Magnitude from E plate recalibrated to SDSS r (pm_E) (Note 11)   (phot.mag;em.opt.R) (PHOT_PHG_R)
pm_J	19.1		Magnitude from J plate recalibrated to SDSS g (pm_J) (Note 11)   (phot.mag;em.opt.B) (PHOT_PHG_B)
pm_F	19.0		Magnitude from F plate recalibrated to SDSS r (pm_F) (Note 11)   (phot.mag;em.opt.R) (PHOT_PHG_R)
pm_N	0.0		Magnitude from N plate recalibrated to SDSS i (pm_N) (Note 11)   (phot.mag;em.opt.I) (PHOT_PHG_I)
photoz_z			(i) [5e-4/1] Photometric redshift estimated by robust fit to nearest neighbors in a reference set (photoz_z) (Note 12)   (src.redshift) (REDSHIFT_PHOT)
photoz_zErr			[0.003/0.3] Estimated error of the photometric redshift (photoz_zErr) (Note 12)   (stat.error) (ERROR)
photoz_nnAvgZ			[0.009/0.9] Average redshift of the nearest neighbors; if significantly different from zph this might be a better estimate than zph (photoz_nnAvgZ) (Note 12)   (src.redshift.phot) (REDSHIFT_PHOT)
photoz_chisq			[2e-12/6.3e7] Chi-square value for the minimum chi-square template fit (photoz_chisq) (Note 12)   (stat.value) (FIT_CHI2)
field_quality	1		[1/3] Quality of the observation: 1=bad; 2=barely acceptable; 3=good (field_quality) (Note 13)   (meta.code.qual;obs.param;obs) (CODE_QUALITY)
field_mjd_u	53298.3145	d	Date of observation in u band (field_mjd_u) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_g	53298.3161	d	Date of observation in g band (field_mjd_g) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_r	53298.3128	d	Date of observation in r band (field_mjd_r) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_i	53298.3136	d	Date of observation in i band (field_mjd_i) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_z	53298.3153	d	Date of observation in z band (field_mjd_z) (Note 13)   (time.epoch) (TIME_DATE)
SDSS16	SDSS J002716.16-000240.2		(i) SDSS-DR16 name based on J2000 position; provided by CDS (meta.id) (ID_ALTERNATIVE)
SDSS-ID	4905-301-3-0047-0130		(i) SDSS object identifier (run-rerun-camcol-field-object) (Note 1)   (meta.id) (ID_ALTERNATIVE)
Sp-ID			(i) Spectroscopic Plate-MJD-Fiber identifier (plate-mjd-fiberID) (meta.id) (ID_ALTERNATIVE)
MJD	53298.3145	d	Mean observation date (average calculated by CDS from the uMJD, gMJD, rMJD, iMJD, zMJD) (time.epoch) (TIME_DATE)

Column	Value		Explain   (UCD)
_r	0.098	arcsec	Distance from center (006.817346-00.044534)[ICRS], at Epoch of catalog (MJD) (pos.angDistance) (POS_ANG_DIST_GENERAL)
_RAJ2000	00 27 16.16594	"h:m:s"	Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra) (POS_EQ_RA)
_DEJ2000	-00 02 40.4027	"d:m:s"	Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_RAB1950	00 24 42.43805	"h:m:s"	Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra) (POS_EQ_RA)
_DEB1950	-00 19 16.0574	"d:m:s"	Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_Glon	109.84399395	deg	Galactic longitude at Epoch=J0. (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lon) (POS_GAL_LON)
_Glat	-62.30058198	deg	Galactic latitude at Epoch=J0. (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lat) (POS_GAL_LAT)
objID	1237660236035457132		(i) SDSS unique object identifier (1) (links to online SDSS-DR16 data) (Note)   (meta.id;meta.main) (ID_MAIN)
ra	006.817356	deg	(i) Right Ascension of the object (ICRS) at Epoch="MJD" (ra) (pos.eq.ra;meta.main) (POS_EQ_RA_MAIN)
dec	-00.044559	deg	(i) Declination of the object (ICRS) at Epoch="MJD" (dec) (pos.eq.dec;meta.main) (POS_EQ_DEC_MAIN)
fieldID	1237660236035457024		The field this object is in (meta.note) (ID_FIELD)
mode	2		[1/4] PhotoMode (1=primary, 2=secondary, 3=family, 4=outside) (meta.code.class) (CLASS_CODE)
type	6		[0/8] Type of object (3=galaxy, 6=star) (type) (Note 2)   (src.class) (CLASS_OBJECT)
clean	0		[0/1] Clean photometry flag (1=clean; 0=unclean) (meta.code) (CODE_MISC)
flags	158398662447616		Photo Object Attribute flags (Note 3)   (meta.code.error) (CODE_MISC)
psfMag_u	20.110	mag	(i) [4/35] PSF magnitude in u band (psfMag_u) (Note 4)   (phot.mag;em.opt.U) (PHOT_SDSS_U)
psfMag_g	19.138	mag	[3.7/37] PSF magnitude in g band (psfMag_g) (Note 4)   (phot.mag;em.opt.B) (PHOT_SDSS_G)
psfMag_r	18.976	mag	[3.8/36] PSF magnitude in r band (psfMag_r) (Note 4)   (phot.mag;em.opt.R) (PHOT_SDSS_R)
psfMag_i	18.987	mag	[2.6/34] PSF magnitude in i band (psfMag_i) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_I)
psfMag_z	19.016	mag	[3.8/33.3] PSF magnitude in z band (psfMag_z) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_Z)
psfMagErr_u	0.041	mag	[1.5e-5/100] Mean error on upmag (psfMagErr_u) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_g	0.019	mag	Mean error on gpmag (psfMagErr_g) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_r	0.017	mag	Mean error on rpmag (psfMagErr_r) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_i	0.022	mag	Mean error on ipmag (psfMagErr_i) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_z	0.048	mag	Mean error on zpmag (psfMagErr_z) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMag_u	20.321	mag	[-0.4/47.2] Petrosian magnitude in u band (petroMag_u) (Note 4)   (phot.mag;em.opt.U) (PHOT_SDSS_U)
petroMag_g	19.177	mag	[3.7/48] Petrosian magnitude in g band (petroMag_g) (Note 4)   (phot.mag;em.opt.B) (PHOT_SDSS_G)
petroMag_r	19.047	mag	[1.3/48.6] Petrosian magnitude in r band (petroMag_r) (Note 4)   (phot.mag;em.opt.R) (PHOT_SDSS_R)
petroMag_i	19.063	mag	[2.6/48.4] Petrosian magnitude in i band (petroMag_i) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_I)
petroMag_z	19.098	mag	[-2.9/45.1] Petrosian magnitude in z band (petroMag_z) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_Z)
petroMagErr_u	0.073	mag	[1e-7/100] Mean error in uPmag (petroMagErr_u) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_g	0.013	mag	[9.1e-9/100] Mean error in gPmag (petroMagErr_g) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_r	0.017	mag	Mean error in rPmag (petroMagErr_r) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_i	0.025	mag	Mean error in iPmag (petroMagErr_i) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_z	0.103	mag	Mean error in zPmag (petroMagErr_z) (Note 4)   (stat.error;phot.mag) (ERROR)
petroRad_u	1.297	arcsec	[1.2e-6/261] Petrosian radius in u band (petroRad_u) (phys.angSize;src) (EXTENSION_RAD)
petroRad_g	1.463	arcsec	[2.3e-6/261] Petrosian radius in g band (petroRad_g) (phys.angSize;src) (EXTENSION_RAD)
petroRad_r	1.322	arcsec	[4.9e-6/260] Petrosian radius in r band (petroRad_r) (phys.angSize;src) (EXTENSION_RAD)
petroRad_i	1.180	arcsec	[2.2e-6/263] Petrosian radius in i band (petroRad_i) (phys.angSize;src) (EXTENSION_RAD)
petroRad_z	1.202	arcsec	[8.3e-7/261] Petrosian radius in z band (petroRad_z) (phys.angSize;src) (EXTENSION_RAD)
petroRadErr_u	0.062	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_u) (stat.error) (ERROR)
petroRadErr_g	0.020	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_g) (stat.error) (ERROR)
petroRadErr_r	0.033	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_r) (stat.error) (ERROR)
petroRadErr_i	0.035	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_i) (stat.error) (ERROR)
petroRadErr_z	0.200	arcsec	[-1000/257] Mean error in rPrad (petroRadErr_z) (stat.error) (ERROR)
deVRad_u	0.000	arcsec	[0/257] De Vaucouleurs fit radius u band (deVRad_u) (phys.angSize;src) (EXTENSION_RAD)
deVRad_g	0.071	arcsec	[0/238] De Vaucouleurs fit radius g band (deVRad_g) (phys.angSize;src) (EXTENSION_RAD)
deVRad_r	0.005	arcsec	[0/238] De Vaucouleurs fit radius r band (deVRad_r) (phys.angSize;src) (EXTENSION_RAD)
deVRad_i	0.000	arcsec	[0/232] De Vaucouleurs fit radius i band (deVRad_i) (phys.angSize;src) (EXTENSION_RAD)
deVRad_z	0.167	arcsec	[0/238] De Vaucouleurs fit radius z band (deVRad_z) (phys.angSize;src) (EXTENSION_RAD)
deVAB_u	0.309		[0.05/1] De Vaucouleurs fit b/a u band (deVAB_u) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_g	0.959		[0.05/1] De Vaucouleurs fit b/a g band (deVAB_g) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_r	0.460		[0.05/1] De Vaucouleurs fit b/a r band (deVAB_r) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_i	0.775		[0.05/1] De Vaucouleurs fit b/a i band (deVAB_i) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_z	0.055		[0.05/1] De Vaucouleurs fit b/a z band (deVAB_z) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVPhi_u	63.8	deg	[-10105/271] Position angle of dVrad in u band (deVPhi_u) (pos.posAng) (POS_POS-ANG)
deVPhi_g	107.6	deg	[-10105/271] Position angle of dVrad in g band (deVPhi_g) (pos.posAng) (POS_POS-ANG)
deVPhi_r	136.9	deg	[-10105/271] Position angle of dVrad in r band (deVPhi_r) (pos.posAng) (POS_POS-ANG)
deVPhi_i	95.1	deg	[-10105/271] Position angle of dVrad in i band (deVPhi_i) (pos.posAng) (POS_POS-ANG)
deVPhi_z	180.0	deg	[-10105/271] Position angle of dVrad in z band (deVPhi_z) (pos.posAng) (POS_POS-ANG)
flags_u	275297370112		Detection flags u band (flags_u) (Note 3)   (meta.code) (CODE_MISC)
flags_g	285380608		Detection flags g band (flags_g) (Note 3)   (meta.code) (CODE_MISC)
flags_r	4503599912616448		Detection flags r band (flags_r) (Note 3)   (meta.code) (CODE_MISC)
flags_i	158330093994496		Detection flags i band (flags_i) (Note 3)   (meta.code) (CODE_MISC)
flags_z	275297370112		Detection flags z band (flags_z) (Note 3)   (meta.code) (CODE_MISC)
type_u	6		[0/8] Phototype in u band (6=Star ; 3=galaxy) (type_u) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_g	6		[0/8] Phototype in i band (6=Star ; 3=galaxy) (type_g) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_r	6		[0/8] Phototype in r band (6=Star ; 3=galaxy) (type_r) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_i	6		[0/8] Phototype in i band (6=Star ; 3=galaxy) (type_i) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_z	6		[0/8] Phototype in z band (6=Star ; 3=galaxy) (type_z) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_u	1.0		[0/1] 0=notStar 1=Star in u band (probPSF_u) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_g	1.0		[0/1] 0=notStar 1=Star in g band (probPSF_g) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_r	1.0		[0/1] 0=notStar 1=Star in r band (probPSF_r) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_i	1.0		[0/1] 0=notStar 1=Star in i band (probPSF_i) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_z	1.0		[0/1] 0=notStar 1=Star in z band (probPSF_z) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
raErr	0.007	arcsec	[0/51703] Mean error on RAdeg (raErr) (stat.error;pos.eq.ra) (ERROR)
decErr	0.006	arcsec	[0/22795] Mean error on DEdeg (decErr) (stat.error;pos.eq.dec) (ERROR)
offsetRa_u	0.03	arcsec	Offset of u position along RA (offsetRa_u) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_g	0.03	arcsec	Offset of g position along RA (offsetRa_g) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_r	0.00	arcsec	Offset of r position along RA (offsetRa_r) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_i	-0.01	arcsec	Offset of i position along RA (offsetRa_i) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_z	0.01	arcsec	Offset of z position along RA (offsetRa_z) (pos.angDistance) (POS_EQ_RA_OFF)
offsetDec_u	0.07	arcsec	Offset of u position along Dec (offsetDec_u) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_g	0.05	arcsec	Offset of g position along Dec (offsetDec_g) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_r	0.00	arcsec	Offset of r position along Dec (offsetDec_r) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_i	0.05	arcsec	Offset of i position along Dec (offsetDec_i) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_z	-0.03	arcsec	Offset of z position along Dec (offsetDec_z) (pos.angDistance) (POS_EQ_DEC_OFF)
parentID	1237660236035457131		Pointer to parent (if object deblended) (meta.id.parent) (ID_PARENT)
specObjID	0		(i) Pointer to the spectrum of object or 0 (specObjID) (Note 6)   (meta.id) (ID_ALTERNATIVE)
u	20.147	mag	(i) [4/37.3] Model magnitude in u filter AB scale (u) (Note 7)   (phot.mag;em.opt.U) (PHOT_SDSS_U)
g	19.133	mag	(i) [3.7/39.6] Model magnitude in g filter AB scale (g) (Note 7)   (phot.mag;em.opt.B) (PHOT_SDSS_G)
r	18.989	mag	(i) [3.8/40.4] Model magnitude in r filter AB scale (r) (Note 7)   (phot.mag;em.opt.R) (PHOT_SDSS_R)
i	18.994	mag	(i) [2.6/39.5] Model magnitude in i filter AB scale (i) (Note 7)   (phot.mag;em.opt.I) (PHOT_SDSS_I)
z	19.025	mag	(i) [3.5/37.2] Model magnitude in z filter AB scale (z) (Note 7)   (phot.mag;em.opt.I) (PHOT_SDSS_Z)
err_u	0.044	mag	[8.9e-8/3444] Mean error on umag (err_u) (stat.error;phot.mag) (ERROR)
err_g	0.010	mag	[3.8e-8/5955] Mean error on gmag (err_g) (stat.error;phot.mag) (ERROR)
err_r	0.011	mag	[5.2e-8/915] Mean error on rmag (err_r) (stat.error;phot.mag) (ERROR)
err_i	0.014	mag	[0/634] Mean error on imag (err_i) (stat.error;phot.mag) (ERROR)
err_z	0.047	mag	[9.4e-8/3529] Mean error on zmag (err_z) (stat.error;phot.mag) (ERROR)
resolveStatus	1025		[0/4145] Decimal status (resolveStatus) (Note 5)   (meta.code) (CODE_MISC)
spec_instrument			Spectral instrument used ("SDSS" or "BOSS") (spec_instrument) (Note 6)   (meta.id;instr) (INST_ID)
spec_sourceType			Source type (spec_sourceType) (6) (Note 8)   (src.class) (CLASS_OBJECT)
spec_z			(i) [-0.012/7.06] Spectroscopic final redshift (when SpObjID>0) (spec_z) (Note 6)   (src.redshift) (REDSHIFT_HC)
spec_zErr			[-6/30689] Mean error on zsp (negative for bad fit) (spec_zErr) (Note 6)   (stat.error) (ERROR)
spec_zWarning			[0/902] Zwarning flag (spec_zWarning) (6) (Note 9)   (meta.code) (CODE_MISC)
spec_class			Spectroscopic class: "GALAXY"; "QSO"; "STAR" (spec_class) (Note 6)   (meta.code.class;pos.parallax.spect) (CLASS_STAR/GALAXY)
spec_subClass			Spectroscopic subclass (spec_subClass) (6) (Note 10)   (src.class) (CLASS_OBJECT)
spec_velDisp		km/s	[0/850] Velocity dispersion (spec_velDisp) (Note 6)   (phys.veloc.dispersion) (VELOC_DISP)
spec_velDispErr		km/s	[-7/4526] Mean error on Vdisp (spec_velDispErr) (Note 6)   (stat.error) (ERROR)
spec_snMedian			[-1927/132] Median signal-to-noise over all good pixels (spec_snMedian) (Note 6)   (em.wl.central;stat.median) (INST_S/N)
pm_match	1		[0/4] Number of USNO-B objects matched within 1arcsec (pm_match) (Note 11)   (meta.number) (NUMBER)
pm_pmRa	-2.76	mas/yr	[-6121/5519] Proper motion along Right Ascension (pm_pmRa) (Note 11)   (pos.pm;pos.eq.ra) (POS_EQ_PMRA)
pm_pmDec	-3.83	mas/yr	[-4846/4437] Proper motion along Declination (pm_pmDec) (Note 11)   (pos.pm;pos.eq.dec) (POS_EQ_PMDEC)
pm_pmRaErr	3.24	mas/yr	[0/4709] Mean error on pmRA (pm_pmRaErr) (Note 11)   (stat.error;pos.pm;pos.eq.ra) (ERROR)
pm_pmDecErr	3.24	mas/yr	[0/4709] Mean error on pmDE (pm_pmDecErr) (Note 11)   (stat.error;pos.pm;pos.eq.dec) (ERROR)
pm_sigRa	113.58	mas	[0/8662] RMS residual of proper motion fit in RA (pm_sigRa) (Note 11)   (stat.fit.residual) (FIT_RESIDUAL)
pm_sigDec	189.72	mas	[0/10625] RMS residual of proper motion fit in Dec (pm_sigDec) (Note 11)   (stat.fit.residual) (FIT_RESIDUAL)
pm_nFit	5		[0/6] Number of detections used in the pm fit including SDSS (pm_nFit) (Note 11)   (meta.number) (NUMBER)
pm_O	18.8		[-214740/70189] Magnitude from USNO-B O plate recalibrated to SDSS g (pm_O) (Note 11)   (phot.mag;em.opt.B) (PHOT_PHG_B)
pm_E	19.1		Magnitude from E plate recalibrated to SDSS r (pm_E) (Note 11)   (phot.mag;em.opt.R) (PHOT_PHG_R)
pm_J	19.2		Magnitude from J plate recalibrated to SDSS g (pm_J) (Note 11)   (phot.mag;em.opt.B) (PHOT_PHG_B)
pm_F	19.0		Magnitude from F plate recalibrated to SDSS r (pm_F) (Note 11)   (phot.mag;em.opt.R) (PHOT_PHG_R)
pm_N	0.0		Magnitude from N plate recalibrated to SDSS i (pm_N) (Note 11)   (phot.mag;em.opt.I) (PHOT_PHG_I)
photoz_z			(i) [5e-4/1] Photometric redshift estimated by robust fit to nearest neighbors in a reference set (photoz_z) (Note 12)   (src.redshift) (REDSHIFT_PHOT)
photoz_zErr			[0.003/0.3] Estimated error of the photometric redshift (photoz_zErr) (Note 12)   (stat.error) (ERROR)
photoz_nnAvgZ			[0.009/0.9] Average redshift of the nearest neighbors; if significantly different from zph this might be a better estimate than zph (photoz_nnAvgZ) (Note 12)   (src.redshift.phot) (REDSHIFT_PHOT)
photoz_chisq			[2e-12/6.3e7] Chi-square value for the minimum chi-square template fit (photoz_chisq) (Note 12)   (stat.value) (FIT_CHI2)
field_quality	3		[1/3] Quality of the observation: 1=bad; 2=barely acceptable; 3=good (field_quality) (Note 13)   (meta.code.qual;obs.param;obs) (CODE_QUALITY)
field_mjd_u	52578.2213	d	Date of observation in u band (field_mjd_u) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_g	52578.2230	d	Date of observation in g band (field_mjd_g) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_r	52578.2197	d	Date of observation in r band (field_mjd_r) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_i	52578.2205	d	Date of observation in i band (field_mjd_i) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_z	52578.2222	d	Date of observation in z band (field_mjd_z) (Note 13)   (time.epoch) (TIME_DATE)
SDSS16	SDSS J002716.16-000240.4		(i) SDSS-DR16 name based on J2000 position; provided by CDS (meta.id) (ID_ALTERNATIVE)
SDSS-ID	3437-301-3-0389-0108		(i) SDSS object identifier (run-rerun-camcol-field-object) (Note 1)   (meta.id) (ID_ALTERNATIVE)
Sp-ID			(i) Spectroscopic Plate-MJD-Fiber identifier (plate-mjd-fiberID) (meta.id) (ID_ALTERNATIVE)
MJD	52578.2213	d	Mean observation date (average calculated by CDS from the uMJD, gMJD, rMJD, iMJD, zMJD) (time.epoch) (TIME_DATE)

Column	Value		Explain   (UCD)
_r	0.098	arcsec	Distance from center (006.817346-00.044534)[ICRS], at Epoch of catalog (MJD) (pos.angDistance) (POS_ANG_DIST_GENERAL)
_RAJ2000	00 27 16.16618	"h:m:s"	Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra) (POS_EQ_RA)
_DEJ2000	-00 02 40.4083	"d:m:s"	Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_RAB1950	00 24 42.42910	"h:m:s"	Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra) (POS_EQ_RA)
_DEB1950	-00 19 16.2544	"d:m:s"	Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_Glon	109.84400129	deg	Galactic longitude at Epoch=J0. (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lon) (POS_GAL_LON)
_Glat	-62.30058121	deg	Galactic latitude at Epoch=J0. (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lat) (POS_GAL_LAT)
objID	1237660008403894404		(i) SDSS unique object identifier (1) (links to online SDSS-DR16 data) (Note)   (meta.id;meta.main) (ID_MAIN)
ra	006.817359	deg	(i) Right Ascension of the object (ICRS) at Epoch="MJD" (ra) (pos.eq.ra;meta.main) (POS_EQ_RA_MAIN)
dec	-00.044558	deg	(i) Declination of the object (ICRS) at Epoch="MJD" (dec) (pos.eq.dec;meta.main) (POS_EQ_DEC_MAIN)
fieldID	1237660008403894272		The field this object is in (meta.note) (ID_FIELD)
mode	3		[1/4] PhotoMode (1=primary, 2=secondary, 3=family, 4=outside) (meta.code.class) (CLASS_CODE)
type	6		[0/8] Type of object (3=galaxy, 6=star) (type) (Note 2)   (src.class) (CLASS_OBJECT)
clean	0		[0/1] Clean photometry flag (1=clean; 0=unclean) (meta.code) (CODE_MISC)
flags	281543964754434		Photo Object Attribute flags (Note 3)   (meta.code.error) (CODE_MISC)
psfMag_u	20.164	mag	(i) [4/35] PSF magnitude in u band (psfMag_u) (Note 4)   (phot.mag;em.opt.U) (PHOT_SDSS_U)
psfMag_g	19.134	mag	[3.7/37] PSF magnitude in g band (psfMag_g) (Note 4)   (phot.mag;em.opt.B) (PHOT_SDSS_G)
psfMag_r	19.026	mag	[3.8/36] PSF magnitude in r band (psfMag_r) (Note 4)   (phot.mag;em.opt.R) (PHOT_SDSS_R)
psfMag_i	18.981	mag	[2.6/34] PSF magnitude in i band (psfMag_i) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_I)
psfMag_z	18.946	mag	[3.8/33.3] PSF magnitude in z band (psfMag_z) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_Z)
psfMagErr_u	0.048	mag	[1.5e-5/100] Mean error on upmag (psfMagErr_u) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_g	0.018	mag	Mean error on gpmag (psfMagErr_g) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_r	0.019	mag	Mean error on rpmag (psfMagErr_r) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_i	0.022	mag	Mean error on ipmag (psfMagErr_i) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_z	0.049	mag	Mean error on zpmag (psfMagErr_z) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMag_u	20.154	mag	[-0.4/47.2] Petrosian magnitude in u band (petroMag_u) (Note 4)   (phot.mag;em.opt.U) (PHOT_SDSS_U)
petroMag_g	19.164	mag	[3.7/48] Petrosian magnitude in g band (petroMag_g) (Note 4)   (phot.mag;em.opt.B) (PHOT_SDSS_G)
petroMag_r	19.047	mag	[1.3/48.6] Petrosian magnitude in r band (petroMag_r) (Note 4)   (phot.mag;em.opt.R) (PHOT_SDSS_R)
petroMag_i	18.971	mag	[2.6/48.4] Petrosian magnitude in i band (petroMag_i) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_I)
petroMag_z	18.610	mag	[-2.9/45.1] Petrosian magnitude in z band (petroMag_z) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_Z)
petroMagErr_u	0.081	mag	[1e-7/100] Mean error in uPmag (petroMagErr_u) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_g	0.015	mag	[9.1e-9/100] Mean error in gPmag (petroMagErr_g) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_r	0.020	mag	Mean error in rPmag (petroMagErr_r) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_i	0.028	mag	Mean error in iPmag (petroMagErr_i) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_z	0.082	mag	Mean error in zPmag (petroMagErr_z) (Note 4)   (stat.error;phot.mag) (ERROR)
petroRad_u	2.978	arcsec	[1.2e-6/261] Petrosian radius in u band (petroRad_u) (phys.angSize;src) (EXTENSION_RAD)
petroRad_g	1.390	arcsec	[2.3e-6/261] Petrosian radius in g band (petroRad_g) (phys.angSize;src) (EXTENSION_RAD)
petroRad_r	1.469	arcsec	[4.9e-6/260] Petrosian radius in r band (petroRad_r) (phys.angSize;src) (EXTENSION_RAD)
petroRad_i	4.858	arcsec	[2.2e-6/263] Petrosian radius in i band (petroRad_i) (phys.angSize;src) (EXTENSION_RAD)
petroRad_z	166.330	arcsec	[8.3e-7/261] Petrosian radius in z band (petroRad_z) (phys.angSize;src) (EXTENSION_RAD)
petroRadErr_u	1.135	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_u) (stat.error) (ERROR)
petroRadErr_g	0.021	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_g) (stat.error) (ERROR)
petroRadErr_r	0.039	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_r) (stat.error) (ERROR)
petroRadErr_i	1.260	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_i) (stat.error) (ERROR)
petroRadErr_z	0.003	arcsec	[-1000/257] Mean error in rPrad (petroRadErr_z) (stat.error) (ERROR)
deVRad_u	0.247	arcsec	[0/257] De Vaucouleurs fit radius u band (deVRad_u) (phys.angSize;src) (EXTENSION_RAD)
deVRad_g	0.098	arcsec	[0/238] De Vaucouleurs fit radius g band (deVRad_g) (phys.angSize;src) (EXTENSION_RAD)
deVRad_r	0.101	arcsec	[0/238] De Vaucouleurs fit radius r band (deVRad_r) (phys.angSize;src) (EXTENSION_RAD)
deVRad_i	0.058	arcsec	[0/232] De Vaucouleurs fit radius i band (deVRad_i) (phys.angSize;src) (EXTENSION_RAD)
deVRad_z	0.750	arcsec	[0/238] De Vaucouleurs fit radius z band (deVRad_z) (phys.angSize;src) (EXTENSION_RAD)
deVAB_u	0.050		[0.05/1] De Vaucouleurs fit b/a u band (deVAB_u) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_g	0.200		[0.05/1] De Vaucouleurs fit b/a g band (deVAB_g) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_r	0.397		[0.05/1] De Vaucouleurs fit b/a r band (deVAB_r) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_i	0.298		[0.05/1] De Vaucouleurs fit b/a i band (deVAB_i) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_z	0.609		[0.05/1] De Vaucouleurs fit b/a z band (deVAB_z) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVPhi_u	161.2	deg	[-10105/271] Position angle of dVrad in u band (deVPhi_u) (pos.posAng) (POS_POS-ANG)
deVPhi_g	62.1	deg	[-10105/271] Position angle of dVrad in g band (deVPhi_g) (pos.posAng) (POS_POS-ANG)
deVPhi_r	178.5	deg	[-10105/271] Position angle of dVrad in r band (deVPhi_r) (pos.posAng) (POS_POS-ANG)
deVPhi_i	100.0	deg	[-10105/271] Position angle of dVrad in i band (deVPhi_i) (pos.posAng) (POS_POS-ANG)
deVPhi_z	73.8	deg	[-10105/271] Position angle of dVrad in z band (deVPhi_z) (pos.posAng) (POS_POS-ANG)
flags_u	275280593408		Detection flags u band (flags_u) (Note 3)   (meta.code) (CODE_MISC)
flags_g	275146375170		Detection flags g band (flags_g) (Note 3)   (meta.code) (CODE_MISC)
flags_r	4503874773745666		Detection flags r band (flags_r) (Note 3)   (meta.code) (CODE_MISC)
flags_i	275297468928		Detection flags i band (flags_i) (Note 3)   (meta.code) (CODE_MISC)
flags_z	275297337344		Detection flags z band (flags_z) (Note 3)   (meta.code) (CODE_MISC)
type_u	6		[0/8] Phototype in u band (6=Star ; 3=galaxy) (type_u) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_g	6		[0/8] Phototype in i band (6=Star ; 3=galaxy) (type_g) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_r	6		[0/8] Phototype in r band (6=Star ; 3=galaxy) (type_r) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_i	6		[0/8] Phototype in i band (6=Star ; 3=galaxy) (type_i) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_z	6		[0/8] Phototype in z band (6=Star ; 3=galaxy) (type_z) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_u	1.0		[0/1] 0=notStar 1=Star in u band (probPSF_u) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_g	1.0		[0/1] 0=notStar 1=Star in g band (probPSF_g) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_r	1.0		[0/1] 0=notStar 1=Star in r band (probPSF_r) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_i	1.0		[0/1] 0=notStar 1=Star in i band (probPSF_i) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_z	1.0		[0/1] 0=notStar 1=Star in z band (probPSF_z) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
raErr	0.008	arcsec	[0/51703] Mean error on RAdeg (raErr) (stat.error;pos.eq.ra) (ERROR)
decErr	0.008	arcsec	[0/22795] Mean error on DEdeg (decErr) (stat.error;pos.eq.dec) (ERROR)
offsetRa_u	0.04	arcsec	Offset of u position along RA (offsetRa_u) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_g	0.04	arcsec	Offset of g position along RA (offsetRa_g) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_r	0.00	arcsec	Offset of r position along RA (offsetRa_r) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_i	0.05	arcsec	Offset of i position along RA (offsetRa_i) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_z	0.04	arcsec	Offset of z position along RA (offsetRa_z) (pos.angDistance) (POS_EQ_RA_OFF)
offsetDec_u	-0.00	arcsec	Offset of u position along Dec (offsetDec_u) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_g	0.05	arcsec	Offset of g position along Dec (offsetDec_g) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_r	0.00	arcsec	Offset of r position along Dec (offsetDec_r) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_i	-0.02	arcsec	Offset of i position along Dec (offsetDec_i) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_z	-0.02	arcsec	Offset of z position along Dec (offsetDec_z) (pos.angDistance) (POS_EQ_DEC_OFF)
parentID	0		Pointer to parent (if object deblended) (meta.id.parent) (ID_PARENT)
specObjID	0		(i) Pointer to the spectrum of object or 0 (specObjID) (Note 6)   (meta.id) (ID_ALTERNATIVE)
u	20.135	mag	(i) [4/37.3] Model magnitude in u filter AB scale (u) (Note 7)   (phot.mag;em.opt.U) (PHOT_SDSS_U)
g	19.114	mag	(i) [3.7/39.6] Model magnitude in g filter AB scale (g) (Note 7)   (phot.mag;em.opt.B) (PHOT_SDSS_G)
r	18.995	mag	(i) [3.8/40.4] Model magnitude in r filter AB scale (r) (Note 7)   (phot.mag;em.opt.R) (PHOT_SDSS_R)
i	18.957	mag	(i) [2.6/39.5] Model magnitude in i filter AB scale (i) (Note 7)   (phot.mag;em.opt.I) (PHOT_SDSS_I)
z	18.886	mag	(i) [3.5/37.2] Model magnitude in z filter AB scale (z) (Note 7)   (phot.mag;em.opt.I) (PHOT_SDSS_Z)
err_u	0.051	mag	[8.9e-8/3444] Mean error on umag (err_u) (stat.error;phot.mag) (ERROR)
err_g	0.010	mag	[3.8e-8/5955] Mean error on gmag (err_g) (stat.error;phot.mag) (ERROR)
err_r	0.012	mag	[5.2e-8/915] Mean error on rmag (err_r) (stat.error;phot.mag) (ERROR)
err_i	0.018	mag	[0/634] Mean error on imag (err_i) (stat.error;phot.mag) (ERROR)
err_z	0.048	mag	[9.4e-8/3529] Mean error on zmag (err_z) (stat.error;phot.mag) (ERROR)
resolveStatus	8		[0/4145] Decimal status (resolveStatus) (Note 5)   (meta.code) (CODE_MISC)
spec_instrument			Spectral instrument used ("SDSS" or "BOSS") (spec_instrument) (Note 6)   (meta.id;instr) (INST_ID)
spec_sourceType			Source type (spec_sourceType) (6) (Note 8)   (src.class) (CLASS_OBJECT)
spec_z			(i) [-0.012/7.06] Spectroscopic final redshift (when SpObjID>0) (spec_z) (Note 6)   (src.redshift) (REDSHIFT_HC)
spec_zErr			[-6/30689] Mean error on zsp (negative for bad fit) (spec_zErr) (Note 6)   (stat.error) (ERROR)
spec_zWarning			[0/902] Zwarning flag (spec_zWarning) (6) (Note 9)   (meta.code) (CODE_MISC)
spec_class			Spectroscopic class: "GALAXY"; "QSO"; "STAR" (spec_class) (Note 6)   (meta.code.class;pos.parallax.spect) (CLASS_STAR/GALAXY)
spec_subClass			Spectroscopic subclass (spec_subClass) (6) (Note 10)   (src.class) (CLASS_OBJECT)
spec_velDisp		km/s	[0/850] Velocity dispersion (spec_velDisp) (Note 6)   (phys.veloc.dispersion) (VELOC_DISP)
spec_velDispErr		km/s	[-7/4526] Mean error on Vdisp (spec_velDispErr) (Note 6)   (stat.error) (ERROR)
spec_snMedian			[-1927/132] Median signal-to-noise over all good pixels (spec_snMedian) (Note 6)   (em.wl.central;stat.median) (INST_S/N)
pm_match			[0/4] Number of USNO-B objects matched within 1arcsec (pm_match) (Note 11)   (meta.number) (NUMBER)
pm_pmRa		mas/yr	[-6121/5519] Proper motion along Right Ascension (pm_pmRa) (Note 11)   (pos.pm;pos.eq.ra) (POS_EQ_PMRA)
pm_pmDec		mas/yr	[-4846/4437] Proper motion along Declination (pm_pmDec) (Note 11)   (pos.pm;pos.eq.dec) (POS_EQ_PMDEC)
pm_pmRaErr		mas/yr	[0/4709] Mean error on pmRA (pm_pmRaErr) (Note 11)   (stat.error;pos.pm;pos.eq.ra) (ERROR)
pm_pmDecErr		mas/yr	[0/4709] Mean error on pmDE (pm_pmDecErr) (Note 11)   (stat.error;pos.pm;pos.eq.dec) (ERROR)
pm_sigRa		mas	[0/8662] RMS residual of proper motion fit in RA (pm_sigRa) (Note 11)   (stat.fit.residual) (FIT_RESIDUAL)
pm_sigDec		mas	[0/10625] RMS residual of proper motion fit in Dec (pm_sigDec) (Note 11)   (stat.fit.residual) (FIT_RESIDUAL)
pm_nFit			[0/6] Number of detections used in the pm fit including SDSS (pm_nFit) (Note 11)   (meta.number) (NUMBER)
pm_O			[-214740/70189] Magnitude from USNO-B O plate recalibrated to SDSS g (pm_O) (Note 11)   (phot.mag;em.opt.B) (PHOT_PHG_B)
pm_E			Magnitude from E plate recalibrated to SDSS r (pm_E) (Note 11)   (phot.mag;em.opt.R) (PHOT_PHG_R)
pm_J			Magnitude from J plate recalibrated to SDSS g (pm_J) (Note 11)   (phot.mag;em.opt.B) (PHOT_PHG_B)
pm_F			Magnitude from F plate recalibrated to SDSS r (pm_F) (Note 11)   (phot.mag;em.opt.R) (PHOT_PHG_R)
pm_N			Magnitude from N plate recalibrated to SDSS i (pm_N) (Note 11)   (phot.mag;em.opt.I) (PHOT_PHG_I)
photoz_z			(i) [5e-4/1] Photometric redshift estimated by robust fit to nearest neighbors in a reference set (photoz_z) (Note 12)   (src.redshift) (REDSHIFT_PHOT)
photoz_zErr			[0.003/0.3] Estimated error of the photometric redshift (photoz_zErr) (Note 12)   (stat.error) (ERROR)
photoz_nnAvgZ			[0.009/0.9] Average redshift of the nearest neighbors; if significantly different from zph this might be a better estimate than zph (photoz_nnAvgZ) (Note 12)   (src.redshift.phot) (REDSHIFT_PHOT)
photoz_chisq			[2e-12/6.3e7] Chi-square value for the minimum chi-square template fit (photoz_chisq) (Note 12)   (stat.value) (FIT_CHI2)
field_quality	3		[1/3] Quality of the observation: 1=bad; 2=barely acceptable; 3=good (field_quality) (Note 13)   (meta.code.qual;obs.param;obs) (CODE_QUALITY)
field_mjd_u	52557.3253	d	Date of observation in u band (field_mjd_u) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_g	52557.3270	d	Date of observation in g band (field_mjd_g) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_r	52557.3237	d	Date of observation in r band (field_mjd_r) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_i	52557.3245	d	Date of observation in i band (field_mjd_i) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_z	52557.3262	d	Date of observation in z band (field_mjd_z) (Note 13)   (time.epoch) (TIME_DATE)
SDSS16	SDSS J002716.16-000240.4		(i) SDSS-DR16 name based on J2000 position; provided by CDS (meta.id) (ID_ALTERNATIVE)
SDSS-ID	3384-301-3-0415-0132		(i) SDSS object identifier (run-rerun-camcol-field-object) (Note 1)   (meta.id) (ID_ALTERNATIVE)
Sp-ID			(i) Spectroscopic Plate-MJD-Fiber identifier (plate-mjd-fiberID) (meta.id) (ID_ALTERNATIVE)
MJD	52557.3253	d	Mean observation date (average calculated by CDS from the uMJD, gMJD, rMJD, iMJD, zMJD) (time.epoch) (TIME_DATE)

Column	Value		Explain   (UCD)
_r	0.100	arcsec	Distance from center (006.817346-00.044534)[ICRS], at Epoch of catalog (MJD) (pos.angDistance) (POS_ANG_DIST_GENERAL)
_RAJ2000	00 27 16.16883	"h:m:s"	Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra) (POS_EQ_RA)
_DEJ2000	-00 02 40.2729	"d:m:s"	Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_RAB1950	00 24 42.43175	"h:m:s"	Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra) (POS_EQ_RA)
_DEB1950	-00 19 16.1190	"d:m:s"	Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_Glon	109.84404083	deg	Galactic longitude at Epoch=J0. (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lon) (POS_GAL_LON)
_Glat	-62.30054660	deg	Galactic latitude at Epoch=J0. (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lat) (POS_GAL_LAT)
objID	1237666541025034369		(i) SDSS unique object identifier (1) (links to online SDSS-DR16 data) (Note)   (meta.id;meta.main) (ID_MAIN)
ra	006.817370	deg	(i) Right Ascension of the object (ICRS) at Epoch="MJD" (ra) (pos.eq.ra;meta.main) (POS_EQ_RA_MAIN)
dec	-00.044520	deg	(i) Declination of the object (ICRS) at Epoch="MJD" (dec) (pos.eq.dec;meta.main) (POS_EQ_DEC_MAIN)
fieldID	1237666541025034240		The field this object is in (meta.note) (ID_FIELD)
mode	3		[1/4] PhotoMode (1=primary, 2=secondary, 3=family, 4=outside) (meta.code.class) (CLASS_CODE)
type	6		[0/8] Type of object (3=galaxy, 6=star) (type) (Note 2)   (src.class) (CLASS_OBJECT)
clean	0		[0/1] Clean photometry flag (1=clean; 0=unclean) (meta.code) (CODE_MISC)
flags	281543964754434		Photo Object Attribute flags (Note 3)   (meta.code.error) (CODE_MISC)
psfMag_u	20.283	mag	(i) [4/35] PSF magnitude in u band (psfMag_u) (Note 4)   (phot.mag;em.opt.U) (PHOT_SDSS_U)
psfMag_g	19.151	mag	[3.7/37] PSF magnitude in g band (psfMag_g) (Note 4)   (phot.mag;em.opt.B) (PHOT_SDSS_G)
psfMag_r	18.985	mag	[3.8/36] PSF magnitude in r band (psfMag_r) (Note 4)   (phot.mag;em.opt.R) (PHOT_SDSS_R)
psfMag_i	18.996	mag	[2.6/34] PSF magnitude in i band (psfMag_i) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_I)
psfMag_z	19.037	mag	[3.8/33.3] PSF magnitude in z band (psfMag_z) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_Z)
psfMagErr_u	0.051	mag	[1.5e-5/100] Mean error on upmag (psfMagErr_u) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_g	0.020	mag	Mean error on gpmag (psfMagErr_g) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_r	0.022	mag	Mean error on rpmag (psfMagErr_r) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_i	0.022	mag	Mean error on ipmag (psfMagErr_i) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_z	0.052	mag	Mean error on zpmag (psfMagErr_z) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMag_u	20.116	mag	[-0.4/47.2] Petrosian magnitude in u band (petroMag_u) (Note 4)   (phot.mag;em.opt.U) (PHOT_SDSS_U)
petroMag_g	19.132	mag	[3.7/48] Petrosian magnitude in g band (petroMag_g) (Note 4)   (phot.mag;em.opt.B) (PHOT_SDSS_G)
petroMag_r	19.048	mag	[1.3/48.6] Petrosian magnitude in r band (petroMag_r) (Note 4)   (phot.mag;em.opt.R) (PHOT_SDSS_R)
petroMag_i	19.042	mag	[2.6/48.4] Petrosian magnitude in i band (petroMag_i) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_I)
petroMag_z	19.136	mag	[-2.9/45.1] Petrosian magnitude in z band (petroMag_z) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_Z)
petroMagErr_u	0.071	mag	[1e-7/100] Mean error in uPmag (petroMagErr_u) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_g	0.014	mag	[9.1e-9/100] Mean error in gPmag (petroMagErr_g) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_r	0.021	mag	Mean error in rPmag (petroMagErr_r) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_i	0.028	mag	Mean error in iPmag (petroMagErr_i) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_z	0.114	mag	Mean error in zPmag (petroMagErr_z) (Note 4)   (stat.error;phot.mag) (ERROR)
petroRad_u	3.343	arcsec	[1.2e-6/261] Petrosian radius in u band (petroRad_u) (phys.angSize;src) (EXTENSION_RAD)
petroRad_g	1.286	arcsec	[2.3e-6/261] Petrosian radius in g band (petroRad_g) (phys.angSize;src) (EXTENSION_RAD)
petroRad_r	1.202	arcsec	[4.9e-6/260] Petrosian radius in r band (petroRad_r) (phys.angSize;src) (EXTENSION_RAD)
petroRad_i	0.956	arcsec	[2.2e-6/263] Petrosian radius in i band (petroRad_i) (phys.angSize;src) (EXTENSION_RAD)
petroRad_z	3.180	arcsec	[8.3e-7/261] Petrosian radius in z band (petroRad_z) (phys.angSize;src) (EXTENSION_RAD)
petroRadErr_u	1.291	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_u) (stat.error) (ERROR)
petroRadErr_g	0.022	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_g) (stat.error) (ERROR)
petroRadErr_r	0.039	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_r) (stat.error) (ERROR)
petroRadErr_i	0.033	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_i) (stat.error) (ERROR)
petroRadErr_z	1.396	arcsec	[-1000/257] Mean error in rPrad (petroRadErr_z) (stat.error) (ERROR)
deVRad_u	0.349	arcsec	[0/257] De Vaucouleurs fit radius u band (deVRad_u) (phys.angSize;src) (EXTENSION_RAD)
deVRad_g	0.105	arcsec	[0/238] De Vaucouleurs fit radius g band (deVRad_g) (phys.angSize;src) (EXTENSION_RAD)
deVRad_r	0.000	arcsec	[0/238] De Vaucouleurs fit radius r band (deVRad_r) (phys.angSize;src) (EXTENSION_RAD)
deVRad_i	0.001	arcsec	[0/232] De Vaucouleurs fit radius i band (deVRad_i) (phys.angSize;src) (EXTENSION_RAD)
deVRad_z	0.162	arcsec	[0/238] De Vaucouleurs fit radius z band (deVRad_z) (phys.angSize;src) (EXTENSION_RAD)
deVAB_u	0.437		[0.05/1] De Vaucouleurs fit b/a u band (deVAB_u) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_g	0.626		[0.05/1] De Vaucouleurs fit b/a g band (deVAB_g) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_r	0.566		[0.05/1] De Vaucouleurs fit b/a r band (deVAB_r) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_i	0.430		[0.05/1] De Vaucouleurs fit b/a i band (deVAB_i) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_z	0.050		[0.05/1] De Vaucouleurs fit b/a z band (deVAB_z) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVPhi_u	25.9	deg	[-10105/271] Position angle of dVrad in u band (deVPhi_u) (pos.posAng) (POS_POS-ANG)
deVPhi_g	70.8	deg	[-10105/271] Position angle of dVrad in g band (deVPhi_g) (pos.posAng) (POS_POS-ANG)
deVPhi_r	132.6	deg	[-10105/271] Position angle of dVrad in r band (deVPhi_r) (pos.posAng) (POS_POS-ANG)
deVPhi_i	136.9	deg	[-10105/271] Position angle of dVrad in i band (deVPhi_i) (pos.posAng) (POS_POS-ANG)
deVPhi_z	69.5	deg	[-10105/271] Position angle of dVrad in z band (deVPhi_z) (pos.posAng) (POS_POS-ANG)
flags_u	275280593408		Detection flags u band (flags_u) (Note 3)   (meta.code) (CODE_MISC)
flags_g	275146375170		Detection flags g band (flags_g) (Note 3)   (meta.code) (CODE_MISC)
flags_r	4503874773745666		Detection flags r band (flags_r) (Note 3)   (meta.code) (CODE_MISC)
flags_i	275146506240		Detection flags i band (flags_i) (Note 3)   (meta.code) (CODE_MISC)
flags_z	275280593408		Detection flags z band (flags_z) (Note 3)   (meta.code) (CODE_MISC)
type_u	3		[0/8] Phototype in u band (6=Star ; 3=galaxy) (type_u) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_g	6		[0/8] Phototype in i band (6=Star ; 3=galaxy) (type_g) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_r	6		[0/8] Phototype in r band (6=Star ; 3=galaxy) (type_r) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_i	6		[0/8] Phototype in i band (6=Star ; 3=galaxy) (type_i) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_z	6		[0/8] Phototype in z band (6=Star ; 3=galaxy) (type_z) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_u	0.0		[0/1] 0=notStar 1=Star in u band (probPSF_u) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_g	1.0		[0/1] 0=notStar 1=Star in g band (probPSF_g) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_r	1.0		[0/1] 0=notStar 1=Star in r band (probPSF_r) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_i	1.0		[0/1] 0=notStar 1=Star in i band (probPSF_i) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_z	1.0		[0/1] 0=notStar 1=Star in z band (probPSF_z) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
raErr	0.007	arcsec	[0/51703] Mean error on RAdeg (raErr) (stat.error;pos.eq.ra) (ERROR)
decErr	0.007	arcsec	[0/22795] Mean error on DEdeg (decErr) (stat.error;pos.eq.dec) (ERROR)
offsetRa_u	0.01	arcsec	Offset of u position along RA (offsetRa_u) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_g	0.05	arcsec	Offset of g position along RA (offsetRa_g) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_r	0.00	arcsec	Offset of r position along RA (offsetRa_r) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_i	0.01	arcsec	Offset of i position along RA (offsetRa_i) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_z	-0.02	arcsec	Offset of z position along RA (offsetRa_z) (pos.angDistance) (POS_EQ_RA_OFF)
offsetDec_u	-0.04	arcsec	Offset of u position along Dec (offsetDec_u) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_g	0.04	arcsec	Offset of g position along Dec (offsetDec_g) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_r	0.00	arcsec	Offset of r position along Dec (offsetDec_r) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_i	-0.01	arcsec	Offset of i position along Dec (offsetDec_i) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_z	0.03	arcsec	Offset of z position along Dec (offsetDec_z) (pos.angDistance) (POS_EQ_DEC_OFF)
parentID	0		Pointer to parent (if object deblended) (meta.id.parent) (ID_PARENT)
specObjID	0		(i) Pointer to the spectrum of object or 0 (specObjID) (Note 6)   (meta.id) (ID_ALTERNATIVE)
u	20.234	mag	(i) [4/37.3] Model magnitude in u filter AB scale (u) (Note 7)   (phot.mag;em.opt.U) (PHOT_SDSS_U)
g	19.124	mag	(i) [3.7/39.6] Model magnitude in g filter AB scale (g) (Note 7)   (phot.mag;em.opt.B) (PHOT_SDSS_G)
r	18.996	mag	(i) [3.8/40.4] Model magnitude in r filter AB scale (r) (Note 7)   (phot.mag;em.opt.R) (PHOT_SDSS_R)
i	18.994	mag	(i) [2.6/39.5] Model magnitude in i filter AB scale (i) (Note 7)   (phot.mag;em.opt.I) (PHOT_SDSS_I)
z	19.037	mag	(i) [3.5/37.2] Model magnitude in z filter AB scale (z) (Note 7)   (phot.mag;em.opt.I) (PHOT_SDSS_Z)
err_u	0.052	mag	[8.9e-8/3444] Mean error on umag (err_u) (stat.error;phot.mag) (ERROR)
err_g	0.010	mag	[3.8e-8/5955] Mean error on gmag (err_g) (stat.error;phot.mag) (ERROR)
err_r	0.013	mag	[5.2e-8/915] Mean error on rmag (err_r) (stat.error;phot.mag) (ERROR)
err_i	0.021	mag	[0/634] Mean error on imag (err_i) (stat.error;phot.mag) (ERROR)
err_z	0.054	mag	[9.4e-8/3529] Mean error on zmag (err_z) (stat.error;phot.mag) (ERROR)
resolveStatus	8		[0/4145] Decimal status (resolveStatus) (Note 5)   (meta.code) (CODE_MISC)
spec_instrument			Spectral instrument used ("SDSS" or "BOSS") (spec_instrument) (Note 6)   (meta.id;instr) (INST_ID)
spec_sourceType			Source type (spec_sourceType) (6) (Note 8)   (src.class) (CLASS_OBJECT)
spec_z			(i) [-0.012/7.06] Spectroscopic final redshift (when SpObjID>0) (spec_z) (Note 6)   (src.redshift) (REDSHIFT_HC)
spec_zErr			[-6/30689] Mean error on zsp (negative for bad fit) (spec_zErr) (Note 6)   (stat.error) (ERROR)
spec_zWarning			[0/902] Zwarning flag (spec_zWarning) (6) (Note 9)   (meta.code) (CODE_MISC)
spec_class			Spectroscopic class: "GALAXY"; "QSO"; "STAR" (spec_class) (Note 6)   (meta.code.class;pos.parallax.spect) (CLASS_STAR/GALAXY)
spec_subClass			Spectroscopic subclass (spec_subClass) (6) (Note 10)   (src.class) (CLASS_OBJECT)
spec_velDisp		km/s	[0/850] Velocity dispersion (spec_velDisp) (Note 6)   (phys.veloc.dispersion) (VELOC_DISP)
spec_velDispErr		km/s	[-7/4526] Mean error on Vdisp (spec_velDispErr) (Note 6)   (stat.error) (ERROR)
spec_snMedian			[-1927/132] Median signal-to-noise over all good pixels (spec_snMedian) (Note 6)   (em.wl.central;stat.median) (INST_S/N)
pm_match			[0/4] Number of USNO-B objects matched within 1arcsec (pm_match) (Note 11)   (meta.number) (NUMBER)
pm_pmRa		mas/yr	[-6121/5519] Proper motion along Right Ascension (pm_pmRa) (Note 11)   (pos.pm;pos.eq.ra) (POS_EQ_PMRA)
pm_pmDec		mas/yr	[-4846/4437] Proper motion along Declination (pm_pmDec) (Note 11)   (pos.pm;pos.eq.dec) (POS_EQ_PMDEC)
pm_pmRaErr		mas/yr	[0/4709] Mean error on pmRA (pm_pmRaErr) (Note 11)   (stat.error;pos.pm;pos.eq.ra) (ERROR)
pm_pmDecErr		mas/yr	[0/4709] Mean error on pmDE (pm_pmDecErr) (Note 11)   (stat.error;pos.pm;pos.eq.dec) (ERROR)
pm_sigRa		mas	[0/8662] RMS residual of proper motion fit in RA (pm_sigRa) (Note 11)   (stat.fit.residual) (FIT_RESIDUAL)
pm_sigDec		mas	[0/10625] RMS residual of proper motion fit in Dec (pm_sigDec) (Note 11)   (stat.fit.residual) (FIT_RESIDUAL)
pm_nFit			[0/6] Number of detections used in the pm fit including SDSS (pm_nFit) (Note 11)   (meta.number) (NUMBER)
pm_O			[-214740/70189] Magnitude from USNO-B O plate recalibrated to SDSS g (pm_O) (Note 11)   (phot.mag;em.opt.B) (PHOT_PHG_B)
pm_E			Magnitude from E plate recalibrated to SDSS r (pm_E) (Note 11)   (phot.mag;em.opt.R) (PHOT_PHG_R)
pm_J			Magnitude from J plate recalibrated to SDSS g (pm_J) (Note 11)   (phot.mag;em.opt.B) (PHOT_PHG_B)
pm_F			Magnitude from F plate recalibrated to SDSS r (pm_F) (Note 11)   (phot.mag;em.opt.R) (PHOT_PHG_R)
pm_N			Magnitude from N plate recalibrated to SDSS i (pm_N) (Note 11)   (phot.mag;em.opt.I) (PHOT_PHG_I)
photoz_z			(i) [5e-4/1] Photometric redshift estimated by robust fit to nearest neighbors in a reference set (photoz_z) (Note 12)   (src.redshift) (REDSHIFT_PHOT)
photoz_zErr			[0.003/0.3] Estimated error of the photometric redshift (photoz_zErr) (Note 12)   (stat.error) (ERROR)
photoz_nnAvgZ			[0.009/0.9] Average redshift of the nearest neighbors; if significantly different from zph this might be a better estimate than zph (photoz_nnAvgZ) (Note 12)   (src.redshift.phot) (REDSHIFT_PHOT)
photoz_chisq			[2e-12/6.3e7] Chi-square value for the minimum chi-square template fit (photoz_chisq) (Note 12)   (stat.value) (FIT_CHI2)
field_quality	1		[1/3] Quality of the observation: 1=bad; 2=barely acceptable; 3=good (field_quality) (Note 13)   (meta.code.qual;obs.param;obs) (CODE_QUALITY)
field_mjd_u	53298.3145	d	Date of observation in u band (field_mjd_u) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_g	53298.3161	d	Date of observation in g band (field_mjd_g) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_r	53298.3128	d	Date of observation in r band (field_mjd_r) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_i	53298.3136	d	Date of observation in i band (field_mjd_i) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_z	53298.3153	d	Date of observation in z band (field_mjd_z) (Note 13)   (time.epoch) (TIME_DATE)
SDSS16	SDSS J002716.16-000240.2		(i) SDSS-DR16 name based on J2000 position; provided by CDS (meta.id) (ID_ALTERNATIVE)
SDSS-ID	4905-301-3-0047-0129		(i) SDSS object identifier (run-rerun-camcol-field-object) (Note 1)   (meta.id) (ID_ALTERNATIVE)
Sp-ID			(i) Spectroscopic Plate-MJD-Fiber identifier (plate-mjd-fiberID) (meta.id) (ID_ALTERNATIVE)
MJD	53298.3145	d	Mean observation date (average calculated by CDS from the uMJD, gMJD, rMJD, iMJD, zMJD) (time.epoch) (TIME_DATE)

Column	Value		Explain   (UCD)
_r	0.102	arcsec	Distance from center (006.817346-00.044534)[ICRS], at Epoch of catalog (MJD) (pos.angDistance) (POS_ANG_DIST_GENERAL)
_RAJ2000	00 27 16.16936	"h:m:s"	Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra) (POS_EQ_RA)
_DEJ2000	-00 02 40.3595	"d:m:s"	Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_RAB1950	00 24 42.43228	"h:m:s"	Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra) (POS_EQ_RA)
_DEB1950	-00 19 16.2056	"d:m:s"	Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_Glon	109.84403502	deg	Galactic longitude at Epoch=J0. (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lon) (POS_GAL_LON)
_Glat	-62.30057060	deg	Galactic latitude at Epoch=J0. (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lat) (POS_GAL_LAT)
objID	1237656907431805083		(i) SDSS unique object identifier (1) (links to online SDSS-DR16 data) (Note)   (meta.id;meta.main) (ID_MAIN)
ra	006.817372	deg	(i) Right Ascension of the object (ICRS) at Epoch="MJD" (ra) (pos.eq.ra;meta.main) (POS_EQ_RA_MAIN)
dec	-00.044544	deg	(i) Declination of the object (ICRS) at Epoch="MJD" (dec) (pos.eq.dec;meta.main) (POS_EQ_DEC_MAIN)
fieldID	1237656907431804928		The field this object is in (meta.note) (ID_FIELD)
mode	3		[1/4] PhotoMode (1=primary, 2=secondary, 3=family, 4=outside) (meta.code.class) (CLASS_CODE)
type	6		[0/8] Type of object (3=galaxy, 6=star) (type) (Note 2)   (src.class) (CLASS_OBJECT)
clean	0		[0/1] Clean photometry flag (1=clean; 0=unclean) (meta.code) (CODE_MISC)
flags	281543964622850		Photo Object Attribute flags (Note 3)   (meta.code.error) (CODE_MISC)
psfMag_u	20.212	mag	(i) [4/35] PSF magnitude in u band (psfMag_u) (Note 4)   (phot.mag;em.opt.U) (PHOT_SDSS_U)
psfMag_g	19.119	mag	[3.7/37] PSF magnitude in g band (psfMag_g) (Note 4)   (phot.mag;em.opt.B) (PHOT_SDSS_G)
psfMag_r	19.024	mag	[3.8/36] PSF magnitude in r band (psfMag_r) (Note 4)   (phot.mag;em.opt.R) (PHOT_SDSS_R)
psfMag_i	19.002	mag	[2.6/34] PSF magnitude in i band (psfMag_i) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_I)
psfMag_z	19.059	mag	[3.8/33.3] PSF magnitude in z band (psfMag_z) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_Z)
psfMagErr_u	0.052	mag	[1.5e-5/100] Mean error on upmag (psfMagErr_u) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_g	0.022	mag	Mean error on gpmag (psfMagErr_g) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_r	0.025	mag	Mean error on rpmag (psfMagErr_r) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_i	0.017	mag	Mean error on ipmag (psfMagErr_i) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_z	0.048	mag	Mean error on zpmag (psfMagErr_z) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMag_u	20.160	mag	[-0.4/47.2] Petrosian magnitude in u band (petroMag_u) (Note 4)   (phot.mag;em.opt.U) (PHOT_SDSS_U)
petroMag_g	19.144	mag	[3.7/48] Petrosian magnitude in g band (petroMag_g) (Note 4)   (phot.mag;em.opt.B) (PHOT_SDSS_G)
petroMag_r	19.024	mag	[1.3/48.6] Petrosian magnitude in r band (petroMag_r) (Note 4)   (phot.mag;em.opt.R) (PHOT_SDSS_R)
petroMag_i	19.062	mag	[2.6/48.4] Petrosian magnitude in i band (petroMag_i) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_I)
petroMag_z	19.243	mag	[-2.9/45.1] Petrosian magnitude in z band (petroMag_z) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_Z)
petroMagErr_u	0.065	mag	[1e-7/100] Mean error in uPmag (petroMagErr_u) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_g	0.012	mag	[9.1e-9/100] Mean error in gPmag (petroMagErr_g) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_r	0.016	mag	Mean error in rPmag (petroMagErr_r) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_i	0.025	mag	Mean error in iPmag (petroMagErr_i) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_z	0.121	mag	Mean error in zPmag (petroMagErr_z) (Note 4)   (stat.error;phot.mag) (ERROR)
petroRad_u	1.706	arcsec	[1.2e-6/261] Petrosian radius in u band (petroRad_u) (phys.angSize;src) (EXTENSION_RAD)
petroRad_g	1.459	arcsec	[2.3e-6/261] Petrosian radius in g band (petroRad_g) (phys.angSize;src) (EXTENSION_RAD)
petroRad_r	1.223	arcsec	[4.9e-6/260] Petrosian radius in r band (petroRad_r) (phys.angSize;src) (EXTENSION_RAD)
petroRad_i	1.134	arcsec	[2.2e-6/263] Petrosian radius in i band (petroRad_i) (phys.angSize;src) (EXTENSION_RAD)
petroRad_z	0.941	arcsec	[8.3e-7/261] Petrosian radius in z band (petroRad_z) (phys.angSize;src) (EXTENSION_RAD)
petroRadErr_u	0.144	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_u) (stat.error) (ERROR)
petroRadErr_g	0.025	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_g) (stat.error) (ERROR)
petroRadErr_r	0.027	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_r) (stat.error) (ERROR)
petroRadErr_i	2.954	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_i) (stat.error) (ERROR)
petroRadErr_z	0.055	arcsec	[-1000/257] Mean error in rPrad (petroRadErr_z) (stat.error) (ERROR)
deVRad_u	0.290	arcsec	[0/257] De Vaucouleurs fit radius u band (deVRad_u) (phys.angSize;src) (EXTENSION_RAD)
deVRad_g	0.076	arcsec	[0/238] De Vaucouleurs fit radius g band (deVRad_g) (phys.angSize;src) (EXTENSION_RAD)
deVRad_r	0.068	arcsec	[0/238] De Vaucouleurs fit radius r band (deVRad_r) (phys.angSize;src) (EXTENSION_RAD)
deVRad_i	0.000	arcsec	[0/232] De Vaucouleurs fit radius i band (deVRad_i) (phys.angSize;src) (EXTENSION_RAD)
deVRad_z	0.067	arcsec	[0/238] De Vaucouleurs fit radius z band (deVRad_z) (phys.angSize;src) (EXTENSION_RAD)
deVAB_u	0.394		[0.05/1] De Vaucouleurs fit b/a u band (deVAB_u) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_g	0.925		[0.05/1] De Vaucouleurs fit b/a g band (deVAB_g) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_r	1.000		[0.05/1] De Vaucouleurs fit b/a r band (deVAB_r) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_i	0.540		[0.05/1] De Vaucouleurs fit b/a i band (deVAB_i) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_z	0.152		[0.05/1] De Vaucouleurs fit b/a z band (deVAB_z) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVPhi_u	64.9	deg	[-10105/271] Position angle of dVrad in u band (deVPhi_u) (pos.posAng) (POS_POS-ANG)
deVPhi_g	43.6	deg	[-10105/271] Position angle of dVrad in g band (deVPhi_g) (pos.posAng) (POS_POS-ANG)
deVPhi_r	130.4	deg	[-10105/271] Position angle of dVrad in r band (deVPhi_r) (pos.posAng) (POS_POS-ANG)
deVPhi_i	126.5	deg	[-10105/271] Position angle of dVrad in i band (deVPhi_i) (pos.posAng) (POS_POS-ANG)
deVPhi_z	77.6	deg	[-10105/271] Position angle of dVrad in z band (deVPhi_z) (pos.posAng) (POS_POS-ANG)
flags_u	275146375168		Detection flags u band (flags_u) (Note 3)   (meta.code) (CODE_MISC)
flags_g	275146375170		Detection flags g band (flags_g) (Note 3)   (meta.code) (CODE_MISC)
flags_r	4503874773745666		Detection flags r band (flags_r) (Note 3)   (meta.code) (CODE_MISC)
flags_i	275297337344		Detection flags i band (flags_i) (Note 3)   (meta.code) (CODE_MISC)
flags_z	275280592896		Detection flags z band (flags_z) (Note 3)   (meta.code) (CODE_MISC)
type_u	3		[0/8] Phototype in u band (6=Star ; 3=galaxy) (type_u) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_g	6		[0/8] Phototype in i band (6=Star ; 3=galaxy) (type_g) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_r	6		[0/8] Phototype in r band (6=Star ; 3=galaxy) (type_r) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_i	6		[0/8] Phototype in i band (6=Star ; 3=galaxy) (type_i) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_z	6		[0/8] Phototype in z band (6=Star ; 3=galaxy) (type_z) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_u	0.0		[0/1] 0=notStar 1=Star in u band (probPSF_u) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_g	1.0		[0/1] 0=notStar 1=Star in g band (probPSF_g) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_r	1.0		[0/1] 0=notStar 1=Star in r band (probPSF_r) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_i	1.0		[0/1] 0=notStar 1=Star in i band (probPSF_i) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_z	1.0		[0/1] 0=notStar 1=Star in z band (probPSF_z) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
raErr	0.005	arcsec	[0/51703] Mean error on RAdeg (raErr) (stat.error;pos.eq.ra) (ERROR)
decErr	0.006	arcsec	[0/22795] Mean error on DEdeg (decErr) (stat.error;pos.eq.dec) (ERROR)
offsetRa_u	0.01	arcsec	Offset of u position along RA (offsetRa_u) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_g	0.07	arcsec	Offset of g position along RA (offsetRa_g) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_r	0.00	arcsec	Offset of r position along RA (offsetRa_r) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_i	0.02	arcsec	Offset of i position along RA (offsetRa_i) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_z	0.01	arcsec	Offset of z position along RA (offsetRa_z) (pos.angDistance) (POS_EQ_RA_OFF)
offsetDec_u	0.02	arcsec	Offset of u position along Dec (offsetDec_u) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_g	0.02	arcsec	Offset of g position along Dec (offsetDec_g) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_r	0.00	arcsec	Offset of r position along Dec (offsetDec_r) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_i	0.01	arcsec	Offset of i position along Dec (offsetDec_i) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_z	-0.03	arcsec	Offset of z position along Dec (offsetDec_z) (pos.angDistance) (POS_EQ_DEC_OFF)
parentID	0		Pointer to parent (if object deblended) (meta.id.parent) (ID_PARENT)
specObjID	0		(i) Pointer to the spectrum of object or 0 (specObjID) (Note 6)   (meta.id) (ID_ALTERNATIVE)
u	20.152	mag	(i) [4/37.3] Model magnitude in u filter AB scale (u) (Note 7)   (phot.mag;em.opt.U) (PHOT_SDSS_U)
g	19.095	mag	(i) [3.7/39.6] Model magnitude in g filter AB scale (g) (Note 7)   (phot.mag;em.opt.B) (PHOT_SDSS_G)
r	18.992	mag	(i) [3.8/40.4] Model magnitude in r filter AB scale (r) (Note 7)   (phot.mag;em.opt.R) (PHOT_SDSS_R)
i	18.990	mag	(i) [2.6/39.5] Model magnitude in i filter AB scale (i) (Note 7)   (phot.mag;em.opt.I) (PHOT_SDSS_I)
z	19.016	mag	(i) [3.5/37.2] Model magnitude in z filter AB scale (z) (Note 7)   (phot.mag;em.opt.I) (PHOT_SDSS_Z)
err_u	0.049	mag	[8.9e-8/3444] Mean error on umag (err_u) (stat.error;phot.mag) (ERROR)
err_g	0.010	mag	[3.8e-8/5955] Mean error on gmag (err_g) (stat.error;phot.mag) (ERROR)
err_r	0.011	mag	[5.2e-8/915] Mean error on rmag (err_r) (stat.error;phot.mag) (ERROR)
err_i	0.018	mag	[0/634] Mean error on imag (err_i) (stat.error;phot.mag) (ERROR)
err_z	0.051	mag	[9.4e-8/3529] Mean error on zmag (err_z) (stat.error;phot.mag) (ERROR)
resolveStatus	8		[0/4145] Decimal status (resolveStatus) (Note 5)   (meta.code) (CODE_MISC)
spec_instrument			Spectral instrument used ("SDSS" or "BOSS") (spec_instrument) (Note 6)   (meta.id;instr) (INST_ID)
spec_sourceType			Source type (spec_sourceType) (6) (Note 8)   (src.class) (CLASS_OBJECT)
spec_z			(i) [-0.012/7.06] Spectroscopic final redshift (when SpObjID>0) (spec_z) (Note 6)   (src.redshift) (REDSHIFT_HC)
spec_zErr			[-6/30689] Mean error on zsp (negative for bad fit) (spec_zErr) (Note 6)   (stat.error) (ERROR)
spec_zWarning			[0/902] Zwarning flag (spec_zWarning) (6) (Note 9)   (meta.code) (CODE_MISC)
spec_class			Spectroscopic class: "GALAXY"; "QSO"; "STAR" (spec_class) (Note 6)   (meta.code.class;pos.parallax.spect) (CLASS_STAR/GALAXY)
spec_subClass			Spectroscopic subclass (spec_subClass) (6) (Note 10)   (src.class) (CLASS_OBJECT)
spec_velDisp		km/s	[0/850] Velocity dispersion (spec_velDisp) (Note 6)   (phys.veloc.dispersion) (VELOC_DISP)
spec_velDispErr		km/s	[-7/4526] Mean error on Vdisp (spec_velDispErr) (Note 6)   (stat.error) (ERROR)
spec_snMedian			[-1927/132] Median signal-to-noise over all good pixels (spec_snMedian) (Note 6)   (em.wl.central;stat.median) (INST_S/N)
pm_match			[0/4] Number of USNO-B objects matched within 1arcsec (pm_match) (Note 11)   (meta.number) (NUMBER)
pm_pmRa		mas/yr	[-6121/5519] Proper motion along Right Ascension (pm_pmRa) (Note 11)   (pos.pm;pos.eq.ra) (POS_EQ_PMRA)
pm_pmDec		mas/yr	[-4846/4437] Proper motion along Declination (pm_pmDec) (Note 11)   (pos.pm;pos.eq.dec) (POS_EQ_PMDEC)
pm_pmRaErr		mas/yr	[0/4709] Mean error on pmRA (pm_pmRaErr) (Note 11)   (stat.error;pos.pm;pos.eq.ra) (ERROR)
pm_pmDecErr		mas/yr	[0/4709] Mean error on pmDE (pm_pmDecErr) (Note 11)   (stat.error;pos.pm;pos.eq.dec) (ERROR)
pm_sigRa		mas	[0/8662] RMS residual of proper motion fit in RA (pm_sigRa) (Note 11)   (stat.fit.residual) (FIT_RESIDUAL)
pm_sigDec		mas	[0/10625] RMS residual of proper motion fit in Dec (pm_sigDec) (Note 11)   (stat.fit.residual) (FIT_RESIDUAL)
pm_nFit			[0/6] Number of detections used in the pm fit including SDSS (pm_nFit) (Note 11)   (meta.number) (NUMBER)
pm_O			[-214740/70189] Magnitude from USNO-B O plate recalibrated to SDSS g (pm_O) (Note 11)   (phot.mag;em.opt.B) (PHOT_PHG_B)
pm_E			Magnitude from E plate recalibrated to SDSS r (pm_E) (Note 11)   (phot.mag;em.opt.R) (PHOT_PHG_R)
pm_J			Magnitude from J plate recalibrated to SDSS g (pm_J) (Note 11)   (phot.mag;em.opt.B) (PHOT_PHG_B)
pm_F			Magnitude from F plate recalibrated to SDSS r (pm_F) (Note 11)   (phot.mag;em.opt.R) (PHOT_PHG_R)
pm_N			Magnitude from N plate recalibrated to SDSS i (pm_N) (Note 11)   (phot.mag;em.opt.I) (PHOT_PHG_I)
photoz_z			(i) [5e-4/1] Photometric redshift estimated by robust fit to nearest neighbors in a reference set (photoz_z) (Note 12)   (src.redshift) (REDSHIFT_PHOT)
photoz_zErr			[0.003/0.3] Estimated error of the photometric redshift (photoz_zErr) (Note 12)   (stat.error) (ERROR)
photoz_nnAvgZ			[0.009/0.9] Average redshift of the nearest neighbors; if significantly different from zph this might be a better estimate than zph (photoz_nnAvgZ) (Note 12)   (src.redshift.phot) (REDSHIFT_PHOT)
photoz_chisq			[2e-12/6.3e7] Chi-square value for the minimum chi-square template fit (photoz_chisq) (Note 12)   (stat.value) (FIT_CHI2)
field_quality	3		[1/3] Quality of the observation: 1=bad; 2=barely acceptable; 3=good (field_quality) (Note 13)   (meta.code.qual;obs.param;obs) (CODE_QUALITY)
field_mjd_u	52197.3324	d	Date of observation in u band (field_mjd_u) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_g	52197.3341	d	Date of observation in g band (field_mjd_g) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_r	52197.3308	d	Date of observation in r band (field_mjd_r) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_i	52197.3316	d	Date of observation in i band (field_mjd_i) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_z	52197.3332	d	Date of observation in z band (field_mjd_z) (Note 13)   (time.epoch) (TIME_DATE)
SDSS16	SDSS J002716.16-000240.3		(i) SDSS-DR16 name based on J2000 position; provided by CDS (meta.id) (ID_ALTERNATIVE)
SDSS-ID	2662-301-3-0328-0155		(i) SDSS object identifier (run-rerun-camcol-field-object) (Note 1)   (meta.id) (ID_ALTERNATIVE)
Sp-ID			(i) Spectroscopic Plate-MJD-Fiber identifier (plate-mjd-fiberID) (meta.id) (ID_ALTERNATIVE)
MJD	52197.3324	d	Mean observation date (average calculated by CDS from the uMJD, gMJD, rMJD, iMJD, zMJD) (time.epoch) (TIME_DATE)

Column	Value		Explain   (UCD)
_r	0.114	arcsec	Distance from center (006.817346-00.044534)[ICRS], at Epoch of catalog (MJD) (pos.angDistance) (POS_ANG_DIST_GENERAL)
_RAJ2000	00 27 16.16748	"h:m:s"	Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra) (POS_EQ_RA)
_DEJ2000	-00 02 40.4144	"d:m:s"	Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_RAB1950	00 24 42.43040	"h:m:s"	Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra) (POS_EQ_RA)
_DEB1950	-00 19 16.2605	"d:m:s"	Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_Glon	109.84401190	deg	Galactic longitude at Epoch=J0. (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lon) (POS_GAL_LON)
_Glat	-62.30058397	deg	Galactic latitude at Epoch=J0. (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lat) (POS_GAL_LAT)
objID	1237660236035457131		(i) SDSS unique object identifier (1) (links to online SDSS-DR16 data) (Note)   (meta.id;meta.main) (ID_MAIN)
ra	006.817364	deg	(i) Right Ascension of the object (ICRS) at Epoch="MJD" (ra) (pos.eq.ra;meta.main) (POS_EQ_RA_MAIN)
dec	-00.044560	deg	(i) Declination of the object (ICRS) at Epoch="MJD" (dec) (pos.eq.dec;meta.main) (POS_EQ_DEC_MAIN)
fieldID	1237660236035457024		The field this object is in (meta.note) (ID_FIELD)
mode	3		[1/4] PhotoMode (1=primary, 2=secondary, 3=family, 4=outside) (meta.code.class) (CLASS_CODE)
type	6		[0/8] Type of object (3=galaxy, 6=star) (type) (Note 2)   (src.class) (CLASS_OBJECT)
clean	0		[0/1] Clean photometry flag (1=clean; 0=unclean) (meta.code) (CODE_MISC)
flags	439873639154178		Photo Object Attribute flags (Note 3)   (meta.code.error) (CODE_MISC)
psfMag_u	20.118	mag	(i) [4/35] PSF magnitude in u band (psfMag_u) (Note 4)   (phot.mag;em.opt.U) (PHOT_SDSS_U)
psfMag_g	19.137	mag	[3.7/37] PSF magnitude in g band (psfMag_g) (Note 4)   (phot.mag;em.opt.B) (PHOT_SDSS_G)
psfMag_r	18.973	mag	[3.8/36] PSF magnitude in r band (psfMag_r) (Note 4)   (phot.mag;em.opt.R) (PHOT_SDSS_R)
psfMag_i	18.980	mag	[2.6/34] PSF magnitude in i band (psfMag_i) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_I)
psfMag_z	19.024	mag	[3.8/33.3] PSF magnitude in z band (psfMag_z) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_Z)
psfMagErr_u	0.041	mag	[1.5e-5/100] Mean error on upmag (psfMagErr_u) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_g	0.019	mag	Mean error on gpmag (psfMagErr_g) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_r	0.017	mag	Mean error on rpmag (psfMagErr_r) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_i	0.024	mag	Mean error on ipmag (psfMagErr_i) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_z	0.048	mag	Mean error on zpmag (psfMagErr_z) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMag_u	19.215	mag	[-0.4/47.2] Petrosian magnitude in u band (petroMag_u) (Note 4)   (phot.mag;em.opt.U) (PHOT_SDSS_U)
petroMag_g	19.078	mag	[3.7/48] Petrosian magnitude in g band (petroMag_g) (Note 4)   (phot.mag;em.opt.B) (PHOT_SDSS_G)
petroMag_r	18.156	mag	[1.3/48.6] Petrosian magnitude in r band (petroMag_r) (Note 4)   (phot.mag;em.opt.R) (PHOT_SDSS_R)
petroMag_i	17.894	mag	[2.6/48.4] Petrosian magnitude in i band (petroMag_i) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_I)
petroMag_z	29.228	mag	[-2.9/45.1] Petrosian magnitude in z band (petroMag_z) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_Z)
petroMagErr_u	0.424	mag	[1e-7/100] Mean error in uPmag (petroMagErr_u) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_g	0.117	mag	[9.1e-9/100] Mean error in gPmag (petroMagErr_g) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_r	0.285	mag	Mean error in rPmag (petroMagErr_r) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_i	0.354	mag	Mean error in iPmag (petroMagErr_i) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_z	0.443	mag	Mean error in zPmag (petroMagErr_z) (Note 4)   (stat.error;phot.mag) (ERROR)
petroRad_u	1.343	arcsec	[1.2e-6/261] Petrosian radius in u band (petroRad_u) (phys.angSize;src) (EXTENSION_RAD)
petroRad_g	1.474	arcsec	[2.3e-6/261] Petrosian radius in g band (petroRad_g) (phys.angSize;src) (EXTENSION_RAD)
petroRad_r	10.282	arcsec	[4.9e-6/260] Petrosian radius in r band (petroRad_r) (phys.angSize;src) (EXTENSION_RAD)
petroRad_i	9.670	arcsec	[2.2e-6/263] Petrosian radius in i band (petroRad_i) (phys.angSize;src) (EXTENSION_RAD)
petroRad_z	1.274	arcsec	[8.3e-7/261] Petrosian radius in z band (petroRad_z) (phys.angSize;src) (EXTENSION_RAD)
petroRadErr_u	0.857	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_u) (stat.error) (ERROR)
petroRadErr_g	0.019	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_g) (stat.error) (ERROR)
petroRadErr_r	2.034	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_r) (stat.error) (ERROR)
petroRadErr_i	0.945	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_i) (stat.error) (ERROR)
petroRadErr_z	0.264	arcsec	[-1000/257] Mean error in rPrad (petroRadErr_z) (stat.error) (ERROR)
deVRad_u	0.005	arcsec	[0/257] De Vaucouleurs fit radius u band (deVRad_u) (phys.angSize;src) (EXTENSION_RAD)
deVRad_g	0.082	arcsec	[0/238] De Vaucouleurs fit radius g band (deVRad_g) (phys.angSize;src) (EXTENSION_RAD)
deVRad_r	0.062	arcsec	[0/238] De Vaucouleurs fit radius r band (deVRad_r) (phys.angSize;src) (EXTENSION_RAD)
deVRad_i	0.002	arcsec	[0/232] De Vaucouleurs fit radius i band (deVRad_i) (phys.angSize;src) (EXTENSION_RAD)
deVRad_z	0.220	arcsec	[0/238] De Vaucouleurs fit radius z band (deVRad_z) (phys.angSize;src) (EXTENSION_RAD)
deVAB_u	0.190		[0.05/1] De Vaucouleurs fit b/a u band (deVAB_u) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_g	0.965		[0.05/1] De Vaucouleurs fit b/a g band (deVAB_g) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_r	0.059		[0.05/1] De Vaucouleurs fit b/a r band (deVAB_r) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_i	0.869		[0.05/1] De Vaucouleurs fit b/a i band (deVAB_i) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_z	0.050		[0.05/1] De Vaucouleurs fit b/a z band (deVAB_z) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVPhi_u	118.8	deg	[-10105/271] Position angle of dVrad in u band (deVPhi_u) (pos.posAng) (POS_POS-ANG)
deVPhi_g	107.7	deg	[-10105/271] Position angle of dVrad in g band (deVPhi_g) (pos.posAng) (POS_POS-ANG)
deVPhi_r	107.7	deg	[-10105/271] Position angle of dVrad in r band (deVPhi_r) (pos.posAng) (POS_POS-ANG)
deVPhi_i	95.1	deg	[-10105/271] Position angle of dVrad in i band (deVPhi_i) (pos.posAng) (POS_POS-ANG)
deVPhi_z	180.0	deg	[-10105/271] Position angle of dVrad in z band (deVPhi_z) (pos.posAng) (POS_POS-ANG)
flags_u	275297370112		Detection flags u band (flags_u) (Note 3)   (meta.code) (CODE_MISC)
flags_g	275163287554		Detection flags g band (flags_g) (Note 3)   (meta.code) (CODE_MISC)
flags_r	4503874790523394		Detection flags r band (flags_r) (Note 3)   (meta.code) (CODE_MISC)
flags_i	158604971901442		Detection flags i band (flags_i) (Note 3)   (meta.code) (CODE_MISC)
flags_z	275297370112		Detection flags z band (flags_z) (Note 3)   (meta.code) (CODE_MISC)
type_u	6		[0/8] Phototype in u band (6=Star ; 3=galaxy) (type_u) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_g	6		[0/8] Phototype in i band (6=Star ; 3=galaxy) (type_g) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_r	6		[0/8] Phototype in r band (6=Star ; 3=galaxy) (type_r) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_i	6		[0/8] Phototype in i band (6=Star ; 3=galaxy) (type_i) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_z	6		[0/8] Phototype in z band (6=Star ; 3=galaxy) (type_z) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_u	1.0		[0/1] 0=notStar 1=Star in u band (probPSF_u) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_g	1.0		[0/1] 0=notStar 1=Star in g band (probPSF_g) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_r	1.0		[0/1] 0=notStar 1=Star in r band (probPSF_r) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_i	1.0		[0/1] 0=notStar 1=Star in i band (probPSF_i) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_z	1.0		[0/1] 0=notStar 1=Star in z band (probPSF_z) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
raErr	0.007	arcsec	[0/51703] Mean error on RAdeg (raErr) (stat.error;pos.eq.ra) (ERROR)
decErr	0.006	arcsec	[0/22795] Mean error on DEdeg (decErr) (stat.error;pos.eq.dec) (ERROR)
offsetRa_u	0.02	arcsec	Offset of u position along RA (offsetRa_u) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_g	-0.00	arcsec	Offset of g position along RA (offsetRa_g) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_r	0.00	arcsec	Offset of r position along RA (offsetRa_r) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_i	-0.01	arcsec	Offset of i position along RA (offsetRa_i) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_z	-0.03	arcsec	Offset of z position along RA (offsetRa_z) (pos.angDistance) (POS_EQ_RA_OFF)
offsetDec_u	0.07	arcsec	Offset of u position along Dec (offsetDec_u) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_g	0.05	arcsec	Offset of g position along Dec (offsetDec_g) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_r	0.00	arcsec	Offset of r position along Dec (offsetDec_r) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_i	0.05	arcsec	Offset of i position along Dec (offsetDec_i) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_z	-0.05	arcsec	Offset of z position along Dec (offsetDec_z) (pos.angDistance) (POS_EQ_DEC_OFF)
parentID	0		Pointer to parent (if object deblended) (meta.id.parent) (ID_PARENT)
specObjID	0		(i) Pointer to the spectrum of object or 0 (specObjID) (Note 6)   (meta.id) (ID_ALTERNATIVE)
u	20.111	mag	(i) [4/37.3] Model magnitude in u filter AB scale (u) (Note 7)   (phot.mag;em.opt.U) (PHOT_SDSS_U)
g	19.122	mag	(i) [3.7/39.6] Model magnitude in g filter AB scale (g) (Note 7)   (phot.mag;em.opt.B) (PHOT_SDSS_G)
r	18.975	mag	(i) [3.8/40.4] Model magnitude in r filter AB scale (r) (Note 7)   (phot.mag;em.opt.R) (PHOT_SDSS_R)
i	18.974	mag	(i) [2.6/39.5] Model magnitude in i filter AB scale (i) (Note 7)   (phot.mag;em.opt.I) (PHOT_SDSS_I)
z	18.995	mag	(i) [3.5/37.2] Model magnitude in z filter AB scale (z) (Note 7)   (phot.mag;em.opt.I) (PHOT_SDSS_Z)
err_u	0.043	mag	[8.9e-8/3444] Mean error on umag (err_u) (stat.error;phot.mag) (ERROR)
err_g	0.010	mag	[3.8e-8/5955] Mean error on gmag (err_g) (stat.error;phot.mag) (ERROR)
err_r	0.011	mag	[5.2e-8/915] Mean error on rmag (err_r) (stat.error;phot.mag) (ERROR)
err_i	0.014	mag	[0/634] Mean error on imag (err_i) (stat.error;phot.mag) (ERROR)
err_z	0.047	mag	[9.4e-8/3529] Mean error on zmag (err_z) (stat.error;phot.mag) (ERROR)
resolveStatus	8		[0/4145] Decimal status (resolveStatus) (Note 5)   (meta.code) (CODE_MISC)
spec_instrument			Spectral instrument used ("SDSS" or "BOSS") (spec_instrument) (Note 6)   (meta.id;instr) (INST_ID)
spec_sourceType			Source type (spec_sourceType) (6) (Note 8)   (src.class) (CLASS_OBJECT)
spec_z			(i) [-0.012/7.06] Spectroscopic final redshift (when SpObjID>0) (spec_z) (Note 6)   (src.redshift) (REDSHIFT_HC)
spec_zErr			[-6/30689] Mean error on zsp (negative for bad fit) (spec_zErr) (Note 6)   (stat.error) (ERROR)
spec_zWarning			[0/902] Zwarning flag (spec_zWarning) (6) (Note 9)   (meta.code) (CODE_MISC)
spec_class			Spectroscopic class: "GALAXY"; "QSO"; "STAR" (spec_class) (Note 6)   (meta.code.class;pos.parallax.spect) (CLASS_STAR/GALAXY)
spec_subClass			Spectroscopic subclass (spec_subClass) (6) (Note 10)   (src.class) (CLASS_OBJECT)
spec_velDisp		km/s	[0/850] Velocity dispersion (spec_velDisp) (Note 6)   (phys.veloc.dispersion) (VELOC_DISP)
spec_velDispErr		km/s	[-7/4526] Mean error on Vdisp (spec_velDispErr) (Note 6)   (stat.error) (ERROR)
spec_snMedian			[-1927/132] Median signal-to-noise over all good pixels (spec_snMedian) (Note 6)   (em.wl.central;stat.median) (INST_S/N)
pm_match			[0/4] Number of USNO-B objects matched within 1arcsec (pm_match) (Note 11)   (meta.number) (NUMBER)
pm_pmRa		mas/yr	[-6121/5519] Proper motion along Right Ascension (pm_pmRa) (Note 11)   (pos.pm;pos.eq.ra) (POS_EQ_PMRA)
pm_pmDec		mas/yr	[-4846/4437] Proper motion along Declination (pm_pmDec) (Note 11)   (pos.pm;pos.eq.dec) (POS_EQ_PMDEC)
pm_pmRaErr		mas/yr	[0/4709] Mean error on pmRA (pm_pmRaErr) (Note 11)   (stat.error;pos.pm;pos.eq.ra) (ERROR)
pm_pmDecErr		mas/yr	[0/4709] Mean error on pmDE (pm_pmDecErr) (Note 11)   (stat.error;pos.pm;pos.eq.dec) (ERROR)
pm_sigRa		mas	[0/8662] RMS residual of proper motion fit in RA (pm_sigRa) (Note 11)   (stat.fit.residual) (FIT_RESIDUAL)
pm_sigDec		mas	[0/10625] RMS residual of proper motion fit in Dec (pm_sigDec) (Note 11)   (stat.fit.residual) (FIT_RESIDUAL)
pm_nFit			[0/6] Number of detections used in the pm fit including SDSS (pm_nFit) (Note 11)   (meta.number) (NUMBER)
pm_O			[-214740/70189] Magnitude from USNO-B O plate recalibrated to SDSS g (pm_O) (Note 11)   (phot.mag;em.opt.B) (PHOT_PHG_B)
pm_E			Magnitude from E plate recalibrated to SDSS r (pm_E) (Note 11)   (phot.mag;em.opt.R) (PHOT_PHG_R)
pm_J			Magnitude from J plate recalibrated to SDSS g (pm_J) (Note 11)   (phot.mag;em.opt.B) (PHOT_PHG_B)
pm_F			Magnitude from F plate recalibrated to SDSS r (pm_F) (Note 11)   (phot.mag;em.opt.R) (PHOT_PHG_R)
pm_N			Magnitude from N plate recalibrated to SDSS i (pm_N) (Note 11)   (phot.mag;em.opt.I) (PHOT_PHG_I)
photoz_z			(i) [5e-4/1] Photometric redshift estimated by robust fit to nearest neighbors in a reference set (photoz_z) (Note 12)   (src.redshift) (REDSHIFT_PHOT)
photoz_zErr			[0.003/0.3] Estimated error of the photometric redshift (photoz_zErr) (Note 12)   (stat.error) (ERROR)
photoz_nnAvgZ			[0.009/0.9] Average redshift of the nearest neighbors; if significantly different from zph this might be a better estimate than zph (photoz_nnAvgZ) (Note 12)   (src.redshift.phot) (REDSHIFT_PHOT)
photoz_chisq			[2e-12/6.3e7] Chi-square value for the minimum chi-square template fit (photoz_chisq) (Note 12)   (stat.value) (FIT_CHI2)
field_quality	3		[1/3] Quality of the observation: 1=bad; 2=barely acceptable; 3=good (field_quality) (Note 13)   (meta.code.qual;obs.param;obs) (CODE_QUALITY)
field_mjd_u	52578.2213	d	Date of observation in u band (field_mjd_u) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_g	52578.2230	d	Date of observation in g band (field_mjd_g) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_r	52578.2197	d	Date of observation in r band (field_mjd_r) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_i	52578.2205	d	Date of observation in i band (field_mjd_i) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_z	52578.2222	d	Date of observation in z band (field_mjd_z) (Note 13)   (time.epoch) (TIME_DATE)
SDSS16	SDSS J002716.16-000240.4		(i) SDSS-DR16 name based on J2000 position; provided by CDS (meta.id) (ID_ALTERNATIVE)
SDSS-ID	3437-301-3-0389-0107		(i) SDSS object identifier (run-rerun-camcol-field-object) (Note 1)   (meta.id) (ID_ALTERNATIVE)
Sp-ID			(i) Spectroscopic Plate-MJD-Fiber identifier (plate-mjd-fiberID) (meta.id) (ID_ALTERNATIVE)
MJD	52578.2213	d	Mean observation date (average calculated by CDS from the uMJD, gMJD, rMJD, iMJD, zMJD) (time.epoch) (TIME_DATE)

Column	Value		Explain   (UCD)
_r	0.115	arcsec	Distance from center (006.817346-00.044534)[ICRS], at Epoch of catalog (MJD) (pos.angDistance) (POS_ANG_DIST_GENERAL)
_RAJ2000	00 27 16.17043	"h:m:s"	Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra) (POS_EQ_RA)
_DEJ2000	-00 02 40.2825	"d:m:s"	Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_RAB1950	00 24 42.43641	"h:m:s"	Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra) (POS_EQ_RA)
_DEB1950	-00 19 16.0574	"d:m:s"	Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_Glon	109.84405238	deg	Galactic longitude at Epoch=J0. (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lon) (POS_GAL_LON)
_Glat	-62.30055122	deg	Galactic latitude at Epoch=J0. (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lat) (POS_GAL_LAT)
objID	1237657362688508002		(i) SDSS unique object identifier (1) (links to online SDSS-DR16 data) (Note)   (meta.id;meta.main) (ID_MAIN)
ra	006.817376	deg	(i) Right Ascension of the object (ICRS) at Epoch="MJD" (ra) (pos.eq.ra;meta.main) (POS_EQ_RA_MAIN)
dec	-00.044524	deg	(i) Declination of the object (ICRS) at Epoch="MJD" (dec) (pos.eq.dec;meta.main) (POS_EQ_DEC_MAIN)
fieldID	1237657362688507904		The field this object is in (meta.note) (ID_FIELD)
mode	2		[1/4] PhotoMode (1=primary, 2=secondary, 3=family, 4=outside) (meta.code.class) (CLASS_CODE)
type	6		[0/8] Type of object (3=galaxy, 6=star) (type) (Note 2)   (src.class) (CLASS_OBJECT)
clean	0		[0/1] Clean photometry flag (1=clean; 0=unclean) (meta.code) (CODE_MISC)
flags	68987912448		Photo Object Attribute flags (Note 3)   (meta.code.error) (CODE_MISC)
psfMag_u	20.127	mag	(i) [4/35] PSF magnitude in u band (psfMag_u) (Note 4)   (phot.mag;em.opt.U) (PHOT_SDSS_U)
psfMag_g	19.145	mag	[3.7/37] PSF magnitude in g band (psfMag_g) (Note 4)   (phot.mag;em.opt.B) (PHOT_SDSS_G)
psfMag_r	19.009	mag	[3.8/36] PSF magnitude in r band (psfMag_r) (Note 4)   (phot.mag;em.opt.R) (PHOT_SDSS_R)
psfMag_i	19.007	mag	[2.6/34] PSF magnitude in i band (psfMag_i) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_I)
psfMag_z	19.045	mag	[3.8/33.3] PSF magnitude in z band (psfMag_z) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_Z)
psfMagErr_u	0.059	mag	[1.5e-5/100] Mean error on upmag (psfMagErr_u) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_g	0.017	mag	Mean error on gpmag (psfMagErr_g) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_r	0.018	mag	Mean error on rpmag (psfMagErr_r) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_i	0.019	mag	Mean error on ipmag (psfMagErr_i) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_z	0.057	mag	Mean error on zpmag (psfMagErr_z) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMag_u	20.211	mag	[-0.4/47.2] Petrosian magnitude in u band (petroMag_u) (Note 4)   (phot.mag;em.opt.U) (PHOT_SDSS_U)
petroMag_g	19.149	mag	[3.7/48] Petrosian magnitude in g band (petroMag_g) (Note 4)   (phot.mag;em.opt.B) (PHOT_SDSS_G)
petroMag_r	19.080	mag	[1.3/48.6] Petrosian magnitude in r band (petroMag_r) (Note 4)   (phot.mag;em.opt.R) (PHOT_SDSS_R)
petroMag_i	19.059	mag	[2.6/48.4] Petrosian magnitude in i band (petroMag_i) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_I)
petroMag_z	19.045	mag	[-2.9/45.1] Petrosian magnitude in z band (petroMag_z) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_Z)
petroMagErr_u	0.092	mag	[1e-7/100] Mean error in uPmag (petroMagErr_u) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_g	0.016	mag	[9.1e-9/100] Mean error in gPmag (petroMagErr_g) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_r	0.022	mag	Mean error in rPmag (petroMagErr_r) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_i	0.030	mag	Mean error in iPmag (petroMagErr_i) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_z	0.117	mag	Mean error in zPmag (petroMagErr_z) (Note 4)   (stat.error;phot.mag) (ERROR)
petroRad_u	7.359	arcsec	[1.2e-6/261] Petrosian radius in u band (petroRad_u) (phys.angSize;src) (EXTENSION_RAD)
petroRad_g	1.606	arcsec	[2.3e-6/261] Petrosian radius in g band (petroRad_g) (phys.angSize;src) (EXTENSION_RAD)
petroRad_r	1.517	arcsec	[4.9e-6/260] Petrosian radius in r band (petroRad_r) (phys.angSize;src) (EXTENSION_RAD)
petroRad_i	1.426	arcsec	[2.2e-6/263] Petrosian radius in i band (petroRad_i) (phys.angSize;src) (EXTENSION_RAD)
petroRad_z	1.502	arcsec	[8.3e-7/261] Petrosian radius in z band (petroRad_z) (phys.angSize;src) (EXTENSION_RAD)
petroRadErr_u	-1000.000	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_u) (stat.error) (ERROR)
petroRadErr_g	0.030	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_g) (stat.error) (ERROR)
petroRadErr_r	0.050	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_r) (stat.error) (ERROR)
petroRadErr_i	0.055	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_i) (stat.error) (ERROR)
petroRadErr_z	0.357	arcsec	[-1000/257] Mean error in rPrad (petroRadErr_z) (stat.error) (ERROR)
deVRad_u	0.003	arcsec	[0/257] De Vaucouleurs fit radius u band (deVRad_u) (phys.angSize;src) (EXTENSION_RAD)
deVRad_g	0.106	arcsec	[0/238] De Vaucouleurs fit radius g band (deVRad_g) (phys.angSize;src) (EXTENSION_RAD)
deVRad_r	0.000	arcsec	[0/238] De Vaucouleurs fit radius r band (deVRad_r) (phys.angSize;src) (EXTENSION_RAD)
deVRad_i	0.001	arcsec	[0/232] De Vaucouleurs fit radius i band (deVRad_i) (phys.angSize;src) (EXTENSION_RAD)
deVRad_z	0.122	arcsec	[0/238] De Vaucouleurs fit radius z band (deVRad_z) (phys.angSize;src) (EXTENSION_RAD)
deVAB_u	0.217		[0.05/1] De Vaucouleurs fit b/a u band (deVAB_u) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_g	1.000		[0.05/1] De Vaucouleurs fit b/a g band (deVAB_g) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_r	0.718		[0.05/1] De Vaucouleurs fit b/a r band (deVAB_r) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_i	0.755		[0.05/1] De Vaucouleurs fit b/a i band (deVAB_i) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_z	0.196		[0.05/1] De Vaucouleurs fit b/a z band (deVAB_z) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVPhi_u	72.7	deg	[-10105/271] Position angle of dVrad in u band (deVPhi_u) (pos.posAng) (POS_POS-ANG)
deVPhi_g	74.9	deg	[-10105/271] Position angle of dVrad in g band (deVPhi_g) (pos.posAng) (POS_POS-ANG)
deVPhi_r	70.5	deg	[-10105/271] Position angle of dVrad in r band (deVPhi_r) (pos.posAng) (POS_POS-ANG)
deVPhi_i	103.1	deg	[-10105/271] Position angle of dVrad in i band (deVPhi_i) (pos.posAng) (POS_POS-ANG)
deVPhi_z	101.0	deg	[-10105/271] Position angle of dVrad in z band (deVPhi_z) (pos.posAng) (POS_POS-ANG)
flags_u	275280594176		Detection flags u band (flags_u) (Note 3)   (meta.code) (CODE_MISC)
flags_g	293634048		Detection flags g band (flags_g) (Note 3)   (meta.code) (CODE_MISC)
flags_r	4503599895838720		Detection flags r band (flags_r) (Note 3)   (meta.code) (CODE_MISC)
flags_i	275280592896		Detection flags i band (flags_i) (Note 3)   (meta.code) (CODE_MISC)
flags_z	275280592896		Detection flags z band (flags_z) (Note 3)   (meta.code) (CODE_MISC)
type_u	6		[0/8] Phototype in u band (6=Star ; 3=galaxy) (type_u) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_g	6		[0/8] Phototype in i band (6=Star ; 3=galaxy) (type_g) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_r	6		[0/8] Phototype in r band (6=Star ; 3=galaxy) (type_r) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_i	6		[0/8] Phototype in i band (6=Star ; 3=galaxy) (type_i) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_z	6		[0/8] Phototype in z band (6=Star ; 3=galaxy) (type_z) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_u	1.0		[0/1] 0=notStar 1=Star in u band (probPSF_u) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_g	1.0		[0/1] 0=notStar 1=Star in g band (probPSF_g) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_r	1.0		[0/1] 0=notStar 1=Star in r band (probPSF_r) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_i	1.0		[0/1] 0=notStar 1=Star in i band (probPSF_i) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_z	1.0		[0/1] 0=notStar 1=Star in z band (probPSF_z) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
raErr	0.009	arcsec	[0/51703] Mean error on RAdeg (raErr) (stat.error;pos.eq.ra) (ERROR)
decErr	0.009	arcsec	[0/22795] Mean error on DEdeg (decErr) (stat.error;pos.eq.dec) (ERROR)
offsetRa_u	-0.06	arcsec	Offset of u position along RA (offsetRa_u) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_g	0.06	arcsec	Offset of g position along RA (offsetRa_g) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_r	0.00	arcsec	Offset of r position along RA (offsetRa_r) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_i	0.01	arcsec	Offset of i position along RA (offsetRa_i) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_z	-0.00	arcsec	Offset of z position along RA (offsetRa_z) (pos.angDistance) (POS_EQ_RA_OFF)
offsetDec_u	-0.07	arcsec	Offset of u position along Dec (offsetDec_u) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_g	0.01	arcsec	Offset of g position along Dec (offsetDec_g) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_r	0.00	arcsec	Offset of r position along Dec (offsetDec_r) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_i	-0.02	arcsec	Offset of i position along Dec (offsetDec_i) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_z	-0.00	arcsec	Offset of z position along Dec (offsetDec_z) (pos.angDistance) (POS_EQ_DEC_OFF)
parentID	1237657362688508001		Pointer to parent (if object deblended) (meta.id.parent) (ID_PARENT)
specObjID	0		(i) Pointer to the spectrum of object or 0 (specObjID) (Note 6)   (meta.id) (ID_ALTERNATIVE)
u	20.153	mag	(i) [4/37.3] Model magnitude in u filter AB scale (u) (Note 7)   (phot.mag;em.opt.U) (PHOT_SDSS_U)
g	19.132	mag	(i) [3.7/39.6] Model magnitude in g filter AB scale (g) (Note 7)   (phot.mag;em.opt.B) (PHOT_SDSS_G)
r	19.023	mag	(i) [3.8/40.4] Model magnitude in r filter AB scale (r) (Note 7)   (phot.mag;em.opt.R) (PHOT_SDSS_R)
i	19.008	mag	(i) [2.6/39.5] Model magnitude in i filter AB scale (i) (Note 7)   (phot.mag;em.opt.I) (PHOT_SDSS_I)
z	19.048	mag	(i) [3.5/37.2] Model magnitude in z filter AB scale (z) (Note 7)   (phot.mag;em.opt.I) (PHOT_SDSS_Z)
err_u	0.057	mag	[8.9e-8/3444] Mean error on umag (err_u) (stat.error;phot.mag) (ERROR)
err_g	0.011	mag	[3.8e-8/5955] Mean error on gmag (err_g) (stat.error;phot.mag) (ERROR)
err_r	0.013	mag	[5.2e-8/915] Mean error on rmag (err_r) (stat.error;phot.mag) (ERROR)
err_i	0.016	mag	[0/634] Mean error on imag (err_i) (stat.error;phot.mag) (ERROR)
err_z	0.055	mag	[9.4e-8/3529] Mean error on zmag (err_z) (stat.error;phot.mag) (ERROR)
resolveStatus	1025		[0/4145] Decimal status (resolveStatus) (Note 5)   (meta.code) (CODE_MISC)
spec_instrument			Spectral instrument used ("SDSS" or "BOSS") (spec_instrument) (Note 6)   (meta.id;instr) (INST_ID)
spec_sourceType			Source type (spec_sourceType) (6) (Note 8)   (src.class) (CLASS_OBJECT)
spec_z			(i) [-0.012/7.06] Spectroscopic final redshift (when SpObjID>0) (spec_z) (Note 6)   (src.redshift) (REDSHIFT_HC)
spec_zErr			[-6/30689] Mean error on zsp (negative for bad fit) (spec_zErr) (Note 6)   (stat.error) (ERROR)
spec_zWarning			[0/902] Zwarning flag (spec_zWarning) (6) (Note 9)   (meta.code) (CODE_MISC)
spec_class			Spectroscopic class: "GALAXY"; "QSO"; "STAR" (spec_class) (Note 6)   (meta.code.class;pos.parallax.spect) (CLASS_STAR/GALAXY)
spec_subClass			Spectroscopic subclass (spec_subClass) (6) (Note 10)   (src.class) (CLASS_OBJECT)
spec_velDisp		km/s	[0/850] Velocity dispersion (spec_velDisp) (Note 6)   (phys.veloc.dispersion) (VELOC_DISP)
spec_velDispErr		km/s	[-7/4526] Mean error on Vdisp (spec_velDispErr) (Note 6)   (stat.error) (ERROR)
spec_snMedian			[-1927/132] Median signal-to-noise over all good pixels (spec_snMedian) (Note 6)   (em.wl.central;stat.median) (INST_S/N)
pm_match	1		[0/4] Number of USNO-B objects matched within 1arcsec (pm_match) (Note 11)   (meta.number) (NUMBER)
pm_pmRa	-0.92	mas/yr	[-6121/5519] Proper motion along Right Ascension (pm_pmRa) (Note 11)   (pos.pm;pos.eq.ra) (POS_EQ_PMRA)
pm_pmDec	-1.42	mas/yr	[-4846/4437] Proper motion along Declination (pm_pmDec) (Note 11)   (pos.pm;pos.eq.dec) (POS_EQ_PMDEC)
pm_pmRaErr	3.31	mas/yr	[0/4709] Mean error on pmRA (pm_pmRaErr) (Note 11)   (stat.error;pos.pm;pos.eq.ra) (ERROR)
pm_pmDecErr	3.31	mas/yr	[0/4709] Mean error on pmDE (pm_pmDecErr) (Note 11)   (stat.error;pos.pm;pos.eq.dec) (ERROR)
pm_sigRa	159.70	mas	[0/8662] RMS residual of proper motion fit in RA (pm_sigRa) (Note 11)   (stat.fit.residual) (FIT_RESIDUAL)
pm_sigDec	184.65	mas	[0/10625] RMS residual of proper motion fit in Dec (pm_sigDec) (Note 11)   (stat.fit.residual) (FIT_RESIDUAL)
pm_nFit	5		[0/6] Number of detections used in the pm fit including SDSS (pm_nFit) (Note 11)   (meta.number) (NUMBER)
pm_O	18.9		[-214740/70189] Magnitude from USNO-B O plate recalibrated to SDSS g (pm_O) (Note 11)   (phot.mag;em.opt.B) (PHOT_PHG_B)
pm_E	19.1		Magnitude from E plate recalibrated to SDSS r (pm_E) (Note 11)   (phot.mag;em.opt.R) (PHOT_PHG_R)
pm_J	19.2		Magnitude from J plate recalibrated to SDSS g (pm_J) (Note 11)   (phot.mag;em.opt.B) (PHOT_PHG_B)
pm_F	19.0		Magnitude from F plate recalibrated to SDSS r (pm_F) (Note 11)   (phot.mag;em.opt.R) (PHOT_PHG_R)
pm_N	0.0		Magnitude from N plate recalibrated to SDSS i (pm_N) (Note 11)   (phot.mag;em.opt.I) (PHOT_PHG_I)
photoz_z			(i) [5e-4/1] Photometric redshift estimated by robust fit to nearest neighbors in a reference set (photoz_z) (Note 12)   (src.redshift) (REDSHIFT_PHOT)
photoz_zErr			[0.003/0.3] Estimated error of the photometric redshift (photoz_zErr) (Note 12)   (stat.error) (ERROR)
photoz_nnAvgZ			[0.009/0.9] Average redshift of the nearest neighbors; if significantly different from zph this might be a better estimate than zph (photoz_nnAvgZ) (Note 12)   (src.redshift.phot) (REDSHIFT_PHOT)
photoz_chisq			[2e-12/6.3e7] Chi-square value for the minimum chi-square template fit (photoz_chisq) (Note 12)   (stat.value) (FIT_CHI2)
field_quality	3		[1/3] Quality of the observation: 1=bad; 2=barely acceptable; 3=good (field_quality) (Note 13)   (meta.code.qual;obs.param;obs) (CODE_QUALITY)
field_mjd_u	52253.2046	d	Date of observation in u band (field_mjd_u) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_g	52253.2063	d	Date of observation in g band (field_mjd_g) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_r	52253.2030	d	Date of observation in r band (field_mjd_r) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_i	52253.2038	d	Date of observation in i band (field_mjd_i) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_z	52253.2055	d	Date of observation in z band (field_mjd_z) (Note 13)   (time.epoch) (TIME_DATE)
SDSS16	SDSS J002716.17-000240.2		(i) SDSS-DR16 name based on J2000 position; provided by CDS (meta.id) (ID_ALTERNATIVE)
SDSS-ID	2768-301-3-0178-0098		(i) SDSS object identifier (run-rerun-camcol-field-object) (Note 1)   (meta.id) (ID_ALTERNATIVE)
Sp-ID			(i) Spectroscopic Plate-MJD-Fiber identifier (plate-mjd-fiberID) (meta.id) (ID_ALTERNATIVE)
MJD	52253.2046	d	Mean observation date (average calculated by CDS from the uMJD, gMJD, rMJD, iMJD, zMJD) (time.epoch) (TIME_DATE)

Column	Value		Explain   (UCD)
_r	0.116	arcsec	Distance from center (006.817346-00.044534)[ICRS], at Epoch of catalog (MJD) (pos.angDistance) (POS_ANG_DIST_GENERAL)
_RAJ2000	00 27 16.17061	"h:m:s"	Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra) (POS_EQ_RA)
_DEJ2000	-00 02 40.3434	"d:m:s"	Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_RAB1950	00 24 42.43353	"h:m:s"	Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra) (POS_EQ_RA)
_DEB1950	-00 19 16.1894	"d:m:s"	Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_Glon	109.84404801	deg	Galactic longitude at Epoch=J0. (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lon) (POS_GAL_LON)
_Glat	-62.30056727	deg	Galactic latitude at Epoch=J0. (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lat) (POS_GAL_LAT)
objID	1237666382124810294		(i) SDSS unique object identifier (1) (links to online SDSS-DR16 data) (Note)   (meta.id;meta.main) (ID_MAIN)
ra	006.817378	deg	(i) Right Ascension of the object (ICRS) at Epoch="MJD" (ra) (pos.eq.ra;meta.main) (POS_EQ_RA_MAIN)
dec	-00.044540	deg	(i) Declination of the object (ICRS) at Epoch="MJD" (dec) (pos.eq.dec;meta.main) (POS_EQ_DEC_MAIN)
fieldID	1237666382124810240		The field this object is in (meta.note) (ID_FIELD)
mode	3		[1/4] PhotoMode (1=primary, 2=secondary, 3=family, 4=outside) (meta.code.class) (CLASS_CODE)
type	6		[0/8] Type of object (3=galaxy, 6=star) (type) (Note 2)   (src.class) (CLASS_OBJECT)
clean	0		[0/1] Clean photometry flag (1=clean; 0=unclean) (meta.code) (CODE_MISC)
flags	281543964623362		Photo Object Attribute flags (Note 3)   (meta.code.error) (CODE_MISC)
psfMag_u	19.977	mag	(i) [4/35] PSF magnitude in u band (psfMag_u) (Note 4)   (phot.mag;em.opt.U) (PHOT_SDSS_U)
psfMag_g	19.108	mag	[3.7/37] PSF magnitude in g band (psfMag_g) (Note 4)   (phot.mag;em.opt.B) (PHOT_SDSS_G)
psfMag_r	18.966	mag	[3.8/36] PSF magnitude in r band (psfMag_r) (Note 4)   (phot.mag;em.opt.R) (PHOT_SDSS_R)
psfMag_i	19.005	mag	[2.6/34] PSF magnitude in i band (psfMag_i) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_I)
psfMag_z	19.105	mag	[3.8/33.3] PSF magnitude in z band (psfMag_z) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_Z)
psfMagErr_u	0.050	mag	[1.5e-5/100] Mean error on upmag (psfMagErr_u) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_g	0.024	mag	Mean error on gpmag (psfMagErr_g) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_r	0.017	mag	Mean error on rpmag (psfMagErr_r) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_i	0.020	mag	Mean error on ipmag (psfMagErr_i) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_z	0.052	mag	Mean error on zpmag (psfMagErr_z) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMag_u	19.376	mag	[-0.4/47.2] Petrosian magnitude in u band (petroMag_u) (Note 4)   (phot.mag;em.opt.U) (PHOT_SDSS_U)
petroMag_g	18.847	mag	[3.7/48] Petrosian magnitude in g band (petroMag_g) (Note 4)   (phot.mag;em.opt.B) (PHOT_SDSS_G)
petroMag_r	18.402	mag	[1.3/48.6] Petrosian magnitude in r band (petroMag_r) (Note 4)   (phot.mag;em.opt.R) (PHOT_SDSS_R)
petroMag_i	18.673	mag	[2.6/48.4] Petrosian magnitude in i band (petroMag_i) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_I)
petroMag_z	18.329	mag	[-2.9/45.1] Petrosian magnitude in z band (petroMag_z) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_Z)
petroMagErr_u	0.105	mag	[1e-7/100] Mean error in uPmag (petroMagErr_u) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_g	0.061	mag	[9.1e-9/100] Mean error in gPmag (petroMagErr_g) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_r	0.105	mag	Mean error in rPmag (petroMagErr_r) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_i	0.073	mag	Mean error in iPmag (petroMagErr_i) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_z	0.137	mag	Mean error in zPmag (petroMagErr_z) (Note 4)   (stat.error;phot.mag) (ERROR)
petroRad_u	4.268	arcsec	[1.2e-6/261] Petrosian radius in u band (petroRad_u) (phys.angSize;src) (EXTENSION_RAD)
petroRad_g	6.533	arcsec	[2.3e-6/261] Petrosian radius in g band (petroRad_g) (phys.angSize;src) (EXTENSION_RAD)
petroRad_r	3.472	arcsec	[4.9e-6/260] Petrosian radius in r band (petroRad_r) (phys.angSize;src) (EXTENSION_RAD)
petroRad_i	5.694	arcsec	[2.2e-6/263] Petrosian radius in i band (petroRad_i) (phys.angSize;src) (EXTENSION_RAD)
petroRad_z	6.751	arcsec	[8.3e-7/261] Petrosian radius in z band (petroRad_z) (phys.angSize;src) (EXTENSION_RAD)
petroRadErr_u	0.648	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_u) (stat.error) (ERROR)
petroRadErr_g	0.573	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_g) (stat.error) (ERROR)
petroRadErr_r	0.393	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_r) (stat.error) (ERROR)
petroRadErr_i	1.222	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_i) (stat.error) (ERROR)
petroRadErr_z	3.119	arcsec	[-1000/257] Mean error in rPrad (petroRadErr_z) (stat.error) (ERROR)
deVRad_u	0.683	arcsec	[0/257] De Vaucouleurs fit radius u band (deVRad_u) (phys.angSize;src) (EXTENSION_RAD)
deVRad_g	0.138	arcsec	[0/238] De Vaucouleurs fit radius g band (deVRad_g) (phys.angSize;src) (EXTENSION_RAD)
deVRad_r	0.086	arcsec	[0/238] De Vaucouleurs fit radius r band (deVRad_r) (phys.angSize;src) (EXTENSION_RAD)
deVRad_i	0.106	arcsec	[0/232] De Vaucouleurs fit radius i band (deVRad_i) (phys.angSize;src) (EXTENSION_RAD)
deVRad_z	0.630	arcsec	[0/238] De Vaucouleurs fit radius z band (deVRad_z) (phys.angSize;src) (EXTENSION_RAD)
deVAB_u	0.794		[0.05/1] De Vaucouleurs fit b/a u band (deVAB_u) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_g	0.699		[0.05/1] De Vaucouleurs fit b/a g band (deVAB_g) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_r	0.489		[0.05/1] De Vaucouleurs fit b/a r band (deVAB_r) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_i	0.072		[0.05/1] De Vaucouleurs fit b/a i band (deVAB_i) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_z	0.597		[0.05/1] De Vaucouleurs fit b/a z band (deVAB_z) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVPhi_u	178.5	deg	[-10105/271] Position angle of dVrad in u band (deVPhi_u) (pos.posAng) (POS_POS-ANG)
deVPhi_g	70.7	deg	[-10105/271] Position angle of dVrad in g band (deVPhi_g) (pos.posAng) (POS_POS-ANG)
deVPhi_r	132.1	deg	[-10105/271] Position angle of dVrad in r band (deVPhi_r) (pos.posAng) (POS_POS-ANG)
deVPhi_i	77.6	deg	[-10105/271] Position angle of dVrad in i band (deVPhi_i) (pos.posAng) (POS_POS-ANG)
deVPhi_z	113.0	deg	[-10105/271] Position angle of dVrad in z band (deVPhi_z) (pos.posAng) (POS_POS-ANG)
flags_u	275163152384		Detection flags u band (flags_u) (Note 3)   (meta.code) (CODE_MISC)
flags_g	275163120130		Detection flags g band (flags_g) (Note 3)   (meta.code) (CODE_MISC)
flags_r	4503874924708354		Detection flags r band (flags_r) (Note 3)   (meta.code) (CODE_MISC)
flags_i	275297337856		Detection flags i band (flags_i) (Note 3)   (meta.code) (CODE_MISC)
flags_z	275305726464		Detection flags z band (flags_z) (Note 3)   (meta.code) (CODE_MISC)
type_u	3		[0/8] Phototype in u band (6=Star ; 3=galaxy) (type_u) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_g	6		[0/8] Phototype in i band (6=Star ; 3=galaxy) (type_g) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_r	6		[0/8] Phototype in r band (6=Star ; 3=galaxy) (type_r) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_i	6		[0/8] Phototype in i band (6=Star ; 3=galaxy) (type_i) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_z	3		[0/8] Phototype in z band (6=Star ; 3=galaxy) (type_z) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_u	0.0		[0/1] 0=notStar 1=Star in u band (probPSF_u) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_g	1.0		[0/1] 0=notStar 1=Star in g band (probPSF_g) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_r	1.0		[0/1] 0=notStar 1=Star in r band (probPSF_r) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_i	1.0		[0/1] 0=notStar 1=Star in i band (probPSF_i) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_z	0.0		[0/1] 0=notStar 1=Star in z band (probPSF_z) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
raErr	0.008	arcsec	[0/51703] Mean error on RAdeg (raErr) (stat.error;pos.eq.ra) (ERROR)
decErr	0.008	arcsec	[0/22795] Mean error on DEdeg (decErr) (stat.error;pos.eq.dec) (ERROR)
offsetRa_u	-0.04	arcsec	Offset of u position along RA (offsetRa_u) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_g	0.03	arcsec	Offset of g position along RA (offsetRa_g) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_r	0.00	arcsec	Offset of r position along RA (offsetRa_r) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_i	-0.03	arcsec	Offset of i position along RA (offsetRa_i) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_z	0.02	arcsec	Offset of z position along RA (offsetRa_z) (pos.angDistance) (POS_EQ_RA_OFF)
offsetDec_u	0.06	arcsec	Offset of u position along Dec (offsetDec_u) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_g	0.08	arcsec	Offset of g position along Dec (offsetDec_g) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_r	0.00	arcsec	Offset of r position along Dec (offsetDec_r) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_i	0.03	arcsec	Offset of i position along Dec (offsetDec_i) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_z	0.02	arcsec	Offset of z position along Dec (offsetDec_z) (pos.angDistance) (POS_EQ_DEC_OFF)
parentID	0		Pointer to parent (if object deblended) (meta.id.parent) (ID_PARENT)
specObjID	0		(i) Pointer to the spectrum of object or 0 (specObjID) (Note 6)   (meta.id) (ID_ALTERNATIVE)
u	19.916	mag	(i) [4/37.3] Model magnitude in u filter AB scale (u) (Note 7)   (phot.mag;em.opt.U) (PHOT_SDSS_U)
g	19.078	mag	(i) [3.7/39.6] Model magnitude in g filter AB scale (g) (Note 7)   (phot.mag;em.opt.B) (PHOT_SDSS_G)
r	18.946	mag	(i) [3.8/40.4] Model magnitude in r filter AB scale (r) (Note 7)   (phot.mag;em.opt.R) (PHOT_SDSS_R)
i	18.985	mag	(i) [2.6/39.5] Model magnitude in i filter AB scale (i) (Note 7)   (phot.mag;em.opt.I) (PHOT_SDSS_I)
z	19.031	mag	(i) [3.5/37.2] Model magnitude in z filter AB scale (z) (Note 7)   (phot.mag;em.opt.I) (PHOT_SDSS_Z)
err_u	0.050	mag	[8.9e-8/3444] Mean error on umag (err_u) (stat.error;phot.mag) (ERROR)
err_g	0.012	mag	[3.8e-8/5955] Mean error on gmag (err_g) (stat.error;phot.mag) (ERROR)
err_r	0.013	mag	[5.2e-8/915] Mean error on rmag (err_r) (stat.error;phot.mag) (ERROR)
err_i	0.018	mag	[0/634] Mean error on imag (err_i) (stat.error;phot.mag) (ERROR)
err_z	0.051	mag	[9.4e-8/3529] Mean error on zmag (err_z) (stat.error;phot.mag) (ERROR)
resolveStatus	8		[0/4145] Decimal status (resolveStatus) (Note 5)   (meta.code) (CODE_MISC)
spec_instrument			Spectral instrument used ("SDSS" or "BOSS") (spec_instrument) (Note 6)   (meta.id;instr) (INST_ID)
spec_sourceType			Source type (spec_sourceType) (6) (Note 8)   (src.class) (CLASS_OBJECT)
spec_z			(i) [-0.012/7.06] Spectroscopic final redshift (when SpObjID>0) (spec_z) (Note 6)   (src.redshift) (REDSHIFT_HC)
spec_zErr			[-6/30689] Mean error on zsp (negative for bad fit) (spec_zErr) (Note 6)   (stat.error) (ERROR)
spec_zWarning			[0/902] Zwarning flag (spec_zWarning) (6) (Note 9)   (meta.code) (CODE_MISC)
spec_class			Spectroscopic class: "GALAXY"; "QSO"; "STAR" (spec_class) (Note 6)   (meta.code.class;pos.parallax.spect) (CLASS_STAR/GALAXY)
spec_subClass			Spectroscopic subclass (spec_subClass) (6) (Note 10)   (src.class) (CLASS_OBJECT)
spec_velDisp		km/s	[0/850] Velocity dispersion (spec_velDisp) (Note 6)   (phys.veloc.dispersion) (VELOC_DISP)
spec_velDispErr		km/s	[-7/4526] Mean error on Vdisp (spec_velDispErr) (Note 6)   (stat.error) (ERROR)
spec_snMedian			[-1927/132] Median signal-to-noise over all good pixels (spec_snMedian) (Note 6)   (em.wl.central;stat.median) (INST_S/N)
pm_match			[0/4] Number of USNO-B objects matched within 1arcsec (pm_match) (Note 11)   (meta.number) (NUMBER)
pm_pmRa		mas/yr	[-6121/5519] Proper motion along Right Ascension (pm_pmRa) (Note 11)   (pos.pm;pos.eq.ra) (POS_EQ_PMRA)
pm_pmDec		mas/yr	[-4846/4437] Proper motion along Declination (pm_pmDec) (Note 11)   (pos.pm;pos.eq.dec) (POS_EQ_PMDEC)
pm_pmRaErr		mas/yr	[0/4709] Mean error on pmRA (pm_pmRaErr) (Note 11)   (stat.error;pos.pm;pos.eq.ra) (ERROR)
pm_pmDecErr		mas/yr	[0/4709] Mean error on pmDE (pm_pmDecErr) (Note 11)   (stat.error;pos.pm;pos.eq.dec) (ERROR)
pm_sigRa		mas	[0/8662] RMS residual of proper motion fit in RA (pm_sigRa) (Note 11)   (stat.fit.residual) (FIT_RESIDUAL)
pm_sigDec		mas	[0/10625] RMS residual of proper motion fit in Dec (pm_sigDec) (Note 11)   (stat.fit.residual) (FIT_RESIDUAL)
pm_nFit			[0/6] Number of detections used in the pm fit including SDSS (pm_nFit) (Note 11)   (meta.number) (NUMBER)
pm_O			[-214740/70189] Magnitude from USNO-B O plate recalibrated to SDSS g (pm_O) (Note 11)   (phot.mag;em.opt.B) (PHOT_PHG_B)
pm_E			Magnitude from E plate recalibrated to SDSS r (pm_E) (Note 11)   (phot.mag;em.opt.R) (PHOT_PHG_R)
pm_J			Magnitude from J plate recalibrated to SDSS g (pm_J) (Note 11)   (phot.mag;em.opt.B) (PHOT_PHG_B)
pm_F			Magnitude from F plate recalibrated to SDSS r (pm_F) (Note 11)   (phot.mag;em.opt.R) (PHOT_PHG_R)
pm_N			Magnitude from N plate recalibrated to SDSS i (pm_N) (Note 11)   (phot.mag;em.opt.I) (PHOT_PHG_I)
photoz_z			(i) [5e-4/1] Photometric redshift estimated by robust fit to nearest neighbors in a reference set (photoz_z) (Note 12)   (src.redshift) (REDSHIFT_PHOT)
photoz_zErr			[0.003/0.3] Estimated error of the photometric redshift (photoz_zErr) (Note 12)   (stat.error) (ERROR)
photoz_nnAvgZ			[0.009/0.9] Average redshift of the nearest neighbors; if significantly different from zph this might be a better estimate than zph (photoz_nnAvgZ) (Note 12)   (src.redshift.phot) (REDSHIFT_PHOT)
photoz_chisq			[2e-12/6.3e7] Chi-square value for the minimum chi-square template fit (photoz_chisq) (Note 12)   (stat.value) (FIT_CHI2)
field_quality	1		[1/3] Quality of the observation: 1=bad; 2=barely acceptable; 3=good (field_quality) (Note 13)   (meta.code.qual;obs.param;obs) (CODE_QUALITY)
field_mjd_u	53286.3117	d	Date of observation in u band (field_mjd_u) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_g	53286.3134	d	Date of observation in g band (field_mjd_g) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_r	53286.3101	d	Date of observation in r band (field_mjd_r) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_i	53286.3109	d	Date of observation in i band (field_mjd_i) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_z	53286.3126	d	Date of observation in z band (field_mjd_z) (Note 13)   (time.epoch) (TIME_DATE)
SDSS16	SDSS J002716.17-000240.3		(i) SDSS-DR16 name based on J2000 position; provided by CDS (meta.id) (ID_ALTERNATIVE)
SDSS-ID	4868-301-3-0254-0054		(i) SDSS object identifier (run-rerun-camcol-field-object) (Note 1)   (meta.id) (ID_ALTERNATIVE)
Sp-ID			(i) Spectroscopic Plate-MJD-Fiber identifier (plate-mjd-fiberID) (meta.id) (ID_ALTERNATIVE)
MJD	53286.3117	d	Mean observation date (average calculated by CDS from the uMJD, gMJD, rMJD, iMJD, zMJD) (time.epoch) (TIME_DATE)

Column	Value		Explain   (UCD)
_r	0.125	arcsec	Distance from center (006.817346-00.044534)[ICRS], at Epoch of catalog (MJD) (pos.angDistance) (POS_ANG_DIST_GENERAL)
_RAJ2000	00 27 16.17088	"h:m:s"	Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra) (POS_EQ_RA)
_DEJ2000	-00 02 40.2787	"d:m:s"	Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_RAB1950	00 24 42.43380	"h:m:s"	Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra) (POS_EQ_RA)
_DEB1950	-00 19 16.1248	"d:m:s"	Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_Glon	109.84405814	deg	Galactic longitude at Epoch=J0. (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lon) (POS_GAL_LON)
_Glat	-62.30054990	deg	Galactic latitude at Epoch=J0. (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lat) (POS_GAL_LAT)
objID	1237657362688508001		(i) SDSS unique object identifier (1) (links to online SDSS-DR16 data) (Note)   (meta.id;meta.main) (ID_MAIN)
ra	006.817379	deg	(i) Right Ascension of the object (ICRS) at Epoch="MJD" (ra) (pos.eq.ra;meta.main) (POS_EQ_RA_MAIN)
dec	-00.044522	deg	(i) Declination of the object (ICRS) at Epoch="MJD" (dec) (pos.eq.dec;meta.main) (POS_EQ_DEC_MAIN)
fieldID	1237657362688507904		The field this object is in (meta.note) (ID_FIELD)
mode	3		[1/4] PhotoMode (1=primary, 2=secondary, 3=family, 4=outside) (meta.code.class) (CLASS_CODE)
type	6		[0/8] Type of object (3=galaxy, 6=star) (type) (Note 2)   (src.class) (CLASS_OBJECT)
clean	0		[0/1] Clean photometry flag (1=clean; 0=unclean) (meta.code) (CODE_MISC)
flags	281543964623106		Photo Object Attribute flags (Note 3)   (meta.code.error) (CODE_MISC)
psfMag_u	20.124	mag	(i) [4/35] PSF magnitude in u band (psfMag_u) (Note 4)   (phot.mag;em.opt.U) (PHOT_SDSS_U)
psfMag_g	19.145	mag	[3.7/37] PSF magnitude in g band (psfMag_g) (Note 4)   (phot.mag;em.opt.B) (PHOT_SDSS_G)
psfMag_r	19.007	mag	[3.8/36] PSF magnitude in r band (psfMag_r) (Note 4)   (phot.mag;em.opt.R) (PHOT_SDSS_R)
psfMag_i	19.000	mag	[2.6/34] PSF magnitude in i band (psfMag_i) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_I)
psfMag_z	19.045	mag	[3.8/33.3] PSF magnitude in z band (psfMag_z) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_Z)
psfMagErr_u	0.059	mag	[1.5e-5/100] Mean error on upmag (psfMagErr_u) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_g	0.017	mag	Mean error on gpmag (psfMagErr_g) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_r	0.018	mag	Mean error on rpmag (psfMagErr_r) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_i	0.019	mag	Mean error on ipmag (psfMagErr_i) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_z	0.057	mag	Mean error on zpmag (psfMagErr_z) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMag_u	20.025	mag	[-0.4/47.2] Petrosian magnitude in u band (petroMag_u) (Note 4)   (phot.mag;em.opt.U) (PHOT_SDSS_U)
petroMag_g	19.119	mag	[3.7/48] Petrosian magnitude in g band (petroMag_g) (Note 4)   (phot.mag;em.opt.B) (PHOT_SDSS_G)
petroMag_r	19.064	mag	[1.3/48.6] Petrosian magnitude in r band (petroMag_r) (Note 4)   (phot.mag;em.opt.R) (PHOT_SDSS_R)
petroMag_i	18.977	mag	[2.6/48.4] Petrosian magnitude in i band (petroMag_i) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_I)
petroMag_z	19.053	mag	[-2.9/45.1] Petrosian magnitude in z band (petroMag_z) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_Z)
petroMagErr_u	0.081	mag	[1e-7/100] Mean error in uPmag (petroMagErr_u) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_g	0.016	mag	[9.1e-9/100] Mean error in gPmag (petroMagErr_g) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_r	0.022	mag	Mean error in rPmag (petroMagErr_r) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_i	0.029	mag	Mean error in iPmag (petroMagErr_i) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_z	0.117	mag	Mean error in zPmag (petroMagErr_z) (Note 4)   (stat.error;phot.mag) (ERROR)
petroRad_u	11.306	arcsec	[1.2e-6/261] Petrosian radius in u band (petroRad_u) (phys.angSize;src) (EXTENSION_RAD)
petroRad_g	1.582	arcsec	[2.3e-6/261] Petrosian radius in g band (petroRad_g) (phys.angSize;src) (EXTENSION_RAD)
petroRad_r	1.510	arcsec	[4.9e-6/260] Petrosian radius in r band (petroRad_r) (phys.angSize;src) (EXTENSION_RAD)
petroRad_i	1.468	arcsec	[2.2e-6/263] Petrosian radius in i band (petroRad_i) (phys.angSize;src) (EXTENSION_RAD)
petroRad_z	1.511	arcsec	[8.3e-7/261] Petrosian radius in z band (petroRad_z) (phys.angSize;src) (EXTENSION_RAD)
petroRadErr_u	-1000.000	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_u) (stat.error) (ERROR)
petroRadErr_g	0.029	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_g) (stat.error) (ERROR)
petroRadErr_r	0.049	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_r) (stat.error) (ERROR)
petroRadErr_i	0.062	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_i) (stat.error) (ERROR)
petroRadErr_z	0.352	arcsec	[-1000/257] Mean error in rPrad (petroRadErr_z) (stat.error) (ERROR)
deVRad_u	0.137	arcsec	[0/257] De Vaucouleurs fit radius u band (deVRad_u) (phys.angSize;src) (EXTENSION_RAD)
deVRad_g	0.116	arcsec	[0/238] De Vaucouleurs fit radius g band (deVRad_g) (phys.angSize;src) (EXTENSION_RAD)
deVRad_r	0.000	arcsec	[0/238] De Vaucouleurs fit radius r band (deVRad_r) (phys.angSize;src) (EXTENSION_RAD)
deVRad_i	0.017	arcsec	[0/232] De Vaucouleurs fit radius i band (deVRad_i) (phys.angSize;src) (EXTENSION_RAD)
deVRad_z	0.139	arcsec	[0/238] De Vaucouleurs fit radius z band (deVRad_z) (phys.angSize;src) (EXTENSION_RAD)
deVAB_u	0.052		[0.05/1] De Vaucouleurs fit b/a u band (deVAB_u) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_g	1.000		[0.05/1] De Vaucouleurs fit b/a g band (deVAB_g) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_r	0.751		[0.05/1] De Vaucouleurs fit b/a r band (deVAB_r) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_i	1.000		[0.05/1] De Vaucouleurs fit b/a i band (deVAB_i) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_z	0.139		[0.05/1] De Vaucouleurs fit b/a z band (deVAB_z) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVPhi_u	81.2	deg	[-10105/271] Position angle of dVrad in u band (deVPhi_u) (pos.posAng) (POS_POS-ANG)
deVPhi_g	74.9	deg	[-10105/271] Position angle of dVrad in g band (deVPhi_g) (pos.posAng) (POS_POS-ANG)
deVPhi_r	70.8	deg	[-10105/271] Position angle of dVrad in r band (deVPhi_r) (pos.posAng) (POS_POS-ANG)
deVPhi_i	101.0	deg	[-10105/271] Position angle of dVrad in i band (deVPhi_i) (pos.posAng) (POS_POS-ANG)
deVPhi_z	101.3	deg	[-10105/271] Position angle of dVrad in z band (deVPhi_z) (pos.posAng) (POS_POS-ANG)
flags_u	275280594176		Detection flags u band (flags_u) (Note 3)   (meta.code) (CODE_MISC)
flags_g	275171540994		Detection flags g band (flags_g) (Note 3)   (meta.code) (CODE_MISC)
flags_r	4503874773745666		Detection flags r band (flags_r) (Note 3)   (meta.code) (CODE_MISC)
flags_i	275280592896		Detection flags i band (flags_i) (Note 3)   (meta.code) (CODE_MISC)
flags_z	275280592896		Detection flags z band (flags_z) (Note 3)   (meta.code) (CODE_MISC)
type_u	6		[0/8] Phototype in u band (6=Star ; 3=galaxy) (type_u) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_g	6		[0/8] Phototype in i band (6=Star ; 3=galaxy) (type_g) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_r	6		[0/8] Phototype in r band (6=Star ; 3=galaxy) (type_r) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_i	6		[0/8] Phototype in i band (6=Star ; 3=galaxy) (type_i) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_z	6		[0/8] Phototype in z band (6=Star ; 3=galaxy) (type_z) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_u	1.0		[0/1] 0=notStar 1=Star in u band (probPSF_u) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_g	1.0		[0/1] 0=notStar 1=Star in g band (probPSF_g) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_r	1.0		[0/1] 0=notStar 1=Star in r band (probPSF_r) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_i	1.0		[0/1] 0=notStar 1=Star in i band (probPSF_i) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_z	1.0		[0/1] 0=notStar 1=Star in z band (probPSF_z) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
raErr	0.009	arcsec	[0/51703] Mean error on RAdeg (raErr) (stat.error;pos.eq.ra) (ERROR)
decErr	0.009	arcsec	[0/22795] Mean error on DEdeg (decErr) (stat.error;pos.eq.dec) (ERROR)
offsetRa_u	-0.05	arcsec	Offset of u position along RA (offsetRa_u) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_g	0.05	arcsec	Offset of g position along RA (offsetRa_g) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_r	0.00	arcsec	Offset of r position along RA (offsetRa_r) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_i	0.01	arcsec	Offset of i position along RA (offsetRa_i) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_z	-0.02	arcsec	Offset of z position along RA (offsetRa_z) (pos.angDistance) (POS_EQ_RA_OFF)
offsetDec_u	-0.07	arcsec	Offset of u position along Dec (offsetDec_u) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_g	0.00	arcsec	Offset of g position along Dec (offsetDec_g) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_r	0.00	arcsec	Offset of r position along Dec (offsetDec_r) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_i	-0.05	arcsec	Offset of i position along Dec (offsetDec_i) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_z	-0.02	arcsec	Offset of z position along Dec (offsetDec_z) (pos.angDistance) (POS_EQ_DEC_OFF)
parentID	0		Pointer to parent (if object deblended) (meta.id.parent) (ID_PARENT)
specObjID	0		(i) Pointer to the spectrum of object or 0 (specObjID) (Note 6)   (meta.id) (ID_ALTERNATIVE)
u	20.094	mag	(i) [4/37.3] Model magnitude in u filter AB scale (u) (Note 7)   (phot.mag;em.opt.U) (PHOT_SDSS_U)
g	19.123	mag	(i) [3.7/39.6] Model magnitude in g filter AB scale (g) (Note 7)   (phot.mag;em.opt.B) (PHOT_SDSS_G)
r	19.017	mag	(i) [3.8/40.4] Model magnitude in r filter AB scale (r) (Note 7)   (phot.mag;em.opt.R) (PHOT_SDSS_R)
i	18.987	mag	(i) [2.6/39.5] Model magnitude in i filter AB scale (i) (Note 7)   (phot.mag;em.opt.I) (PHOT_SDSS_I)
z	19.046	mag	(i) [3.5/37.2] Model magnitude in z filter AB scale (z) (Note 7)   (phot.mag;em.opt.I) (PHOT_SDSS_Z)
err_u	0.055	mag	[8.9e-8/3444] Mean error on umag (err_u) (stat.error;phot.mag) (ERROR)
err_g	0.011	mag	[3.8e-8/5955] Mean error on gmag (err_g) (stat.error;phot.mag) (ERROR)
err_r	0.013	mag	[5.2e-8/915] Mean error on rmag (err_r) (stat.error;phot.mag) (ERROR)
err_i	0.017	mag	[0/634] Mean error on imag (err_i) (stat.error;phot.mag) (ERROR)
err_z	0.055	mag	[9.4e-8/3529] Mean error on zmag (err_z) (stat.error;phot.mag) (ERROR)
resolveStatus	8		[0/4145] Decimal status (resolveStatus) (Note 5)   (meta.code) (CODE_MISC)
spec_instrument			Spectral instrument used ("SDSS" or "BOSS") (spec_instrument) (Note 6)   (meta.id;instr) (INST_ID)
spec_sourceType			Source type (spec_sourceType) (6) (Note 8)   (src.class) (CLASS_OBJECT)
spec_z			(i) [-0.012/7.06] Spectroscopic final redshift (when SpObjID>0) (spec_z) (Note 6)   (src.redshift) (REDSHIFT_HC)
spec_zErr			[-6/30689] Mean error on zsp (negative for bad fit) (spec_zErr) (Note 6)   (stat.error) (ERROR)
spec_zWarning			[0/902] Zwarning flag (spec_zWarning) (6) (Note 9)   (meta.code) (CODE_MISC)
spec_class			Spectroscopic class: "GALAXY"; "QSO"; "STAR" (spec_class) (Note 6)   (meta.code.class;pos.parallax.spect) (CLASS_STAR/GALAXY)
spec_subClass			Spectroscopic subclass (spec_subClass) (6) (Note 10)   (src.class) (CLASS_OBJECT)
spec_velDisp		km/s	[0/850] Velocity dispersion (spec_velDisp) (Note 6)   (phys.veloc.dispersion) (VELOC_DISP)
spec_velDispErr		km/s	[-7/4526] Mean error on Vdisp (spec_velDispErr) (Note 6)   (stat.error) (ERROR)
spec_snMedian			[-1927/132] Median signal-to-noise over all good pixels (spec_snMedian) (Note 6)   (em.wl.central;stat.median) (INST_S/N)
pm_match			[0/4] Number of USNO-B objects matched within 1arcsec (pm_match) (Note 11)   (meta.number) (NUMBER)
pm_pmRa		mas/yr	[-6121/5519] Proper motion along Right Ascension (pm_pmRa) (Note 11)   (pos.pm;pos.eq.ra) (POS_EQ_PMRA)
pm_pmDec		mas/yr	[-4846/4437] Proper motion along Declination (pm_pmDec) (Note 11)   (pos.pm;pos.eq.dec) (POS_EQ_PMDEC)
pm_pmRaErr		mas/yr	[0/4709] Mean error on pmRA (pm_pmRaErr) (Note 11)   (stat.error;pos.pm;pos.eq.ra) (ERROR)
pm_pmDecErr		mas/yr	[0/4709] Mean error on pmDE (pm_pmDecErr) (Note 11)   (stat.error;pos.pm;pos.eq.dec) (ERROR)
pm_sigRa		mas	[0/8662] RMS residual of proper motion fit in RA (pm_sigRa) (Note 11)   (stat.fit.residual) (FIT_RESIDUAL)
pm_sigDec		mas	[0/10625] RMS residual of proper motion fit in Dec (pm_sigDec) (Note 11)   (stat.fit.residual) (FIT_RESIDUAL)
pm_nFit			[0/6] Number of detections used in the pm fit including SDSS (pm_nFit) (Note 11)   (meta.number) (NUMBER)
pm_O			[-214740/70189] Magnitude from USNO-B O plate recalibrated to SDSS g (pm_O) (Note 11)   (phot.mag;em.opt.B) (PHOT_PHG_B)
pm_E			Magnitude from E plate recalibrated to SDSS r (pm_E) (Note 11)   (phot.mag;em.opt.R) (PHOT_PHG_R)
pm_J			Magnitude from J plate recalibrated to SDSS g (pm_J) (Note 11)   (phot.mag;em.opt.B) (PHOT_PHG_B)
pm_F			Magnitude from F plate recalibrated to SDSS r (pm_F) (Note 11)   (phot.mag;em.opt.R) (PHOT_PHG_R)
pm_N			Magnitude from N plate recalibrated to SDSS i (pm_N) (Note 11)   (phot.mag;em.opt.I) (PHOT_PHG_I)
photoz_z			(i) [5e-4/1] Photometric redshift estimated by robust fit to nearest neighbors in a reference set (photoz_z) (Note 12)   (src.redshift) (REDSHIFT_PHOT)
photoz_zErr			[0.003/0.3] Estimated error of the photometric redshift (photoz_zErr) (Note 12)   (stat.error) (ERROR)
photoz_nnAvgZ			[0.009/0.9] Average redshift of the nearest neighbors; if significantly different from zph this might be a better estimate than zph (photoz_nnAvgZ) (Note 12)   (src.redshift.phot) (REDSHIFT_PHOT)
photoz_chisq			[2e-12/6.3e7] Chi-square value for the minimum chi-square template fit (photoz_chisq) (Note 12)   (stat.value) (FIT_CHI2)
field_quality	3		[1/3] Quality of the observation: 1=bad; 2=barely acceptable; 3=good (field_quality) (Note 13)   (meta.code.qual;obs.param;obs) (CODE_QUALITY)
field_mjd_u	52253.2046	d	Date of observation in u band (field_mjd_u) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_g	52253.2063	d	Date of observation in g band (field_mjd_g) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_r	52253.2030	d	Date of observation in r band (field_mjd_r) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_i	52253.2038	d	Date of observation in i band (field_mjd_i) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_z	52253.2055	d	Date of observation in z band (field_mjd_z) (Note 13)   (time.epoch) (TIME_DATE)
SDSS16	SDSS J002716.17-000240.2		(i) SDSS-DR16 name based on J2000 position; provided by CDS (meta.id) (ID_ALTERNATIVE)
SDSS-ID	2768-301-3-0178-0097		(i) SDSS object identifier (run-rerun-camcol-field-object) (Note 1)   (meta.id) (ID_ALTERNATIVE)
Sp-ID			(i) Spectroscopic Plate-MJD-Fiber identifier (plate-mjd-fiberID) (meta.id) (ID_ALTERNATIVE)
MJD	52253.2046	d	Mean observation date (average calculated by CDS from the uMJD, gMJD, rMJD, iMJD, zMJD) (time.epoch) (TIME_DATE)

Column	Value		Explain   (UCD)
_r	0.129	arcsec	Distance from center (006.817346-00.044534)[ICRS], at Epoch of catalog (MJD) (pos.angDistance) (POS_ANG_DIST_GENERAL)
_RAJ2000	00 27 16.16961	"h:m:s"	Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra) (POS_EQ_RA)
_DEJ2000	-00 02 40.3964	"d:m:s"	Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_RAB1950	00 24 42.43803	"h:m:s"	Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra) (POS_EQ_RA)
_DEB1950	-00 19 16.0230	"d:m:s"	Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_Glon	109.84402713	deg	Galactic longitude at Epoch=J0. (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lon) (POS_GAL_LON)
_Glat	-62.30058506	deg	Galactic latitude at Epoch=J0. (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lat) (POS_GAL_LAT)
objID	1237663543162110083		(i) SDSS unique object identifier (1) (links to online SDSS-DR16 data) (Note)   (meta.id;meta.main) (ID_MAIN)
ra	006.817372	deg	(i) Right Ascension of the object (ICRS) at Epoch="MJD" (ra) (pos.eq.ra;meta.main) (POS_EQ_RA_MAIN)
dec	-00.044559	deg	(i) Declination of the object (ICRS) at Epoch="MJD" (dec) (pos.eq.dec;meta.main) (POS_EQ_DEC_MAIN)
fieldID	1237663543162109952		The field this object is in (meta.note) (ID_FIELD)
mode	2		[1/4] PhotoMode (1=primary, 2=secondary, 3=family, 4=outside) (meta.code.class) (CLASS_CODE)
type	6		[0/8] Type of object (3=galaxy, 6=star) (type) (Note 2)   (src.class) (CLASS_OBJECT)
clean	0		[0/1] Clean photometry flag (1=clean; 0=unclean) (meta.code) (CODE_MISC)
flags	68988043776		Photo Object Attribute flags (Note 3)   (meta.code.error) (CODE_MISC)
psfMag_u	20.056	mag	(i) [4/35] PSF magnitude in u band (psfMag_u) (Note 4)   (phot.mag;em.opt.U) (PHOT_SDSS_U)
psfMag_g	19.107	mag	[3.7/37] PSF magnitude in g band (psfMag_g) (Note 4)   (phot.mag;em.opt.B) (PHOT_SDSS_G)
psfMag_r	19.012	mag	[3.8/36] PSF magnitude in r band (psfMag_r) (Note 4)   (phot.mag;em.opt.R) (PHOT_SDSS_R)
psfMag_i	18.983	mag	[2.6/34] PSF magnitude in i band (psfMag_i) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_I)
psfMag_z	19.003	mag	[3.8/33.3] PSF magnitude in z band (psfMag_z) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_Z)
psfMagErr_u	0.042	mag	[1.5e-5/100] Mean error on upmag (psfMagErr_u) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_g	0.021	mag	Mean error on gpmag (psfMagErr_g) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_r	0.018	mag	Mean error on rpmag (psfMagErr_r) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_i	0.019	mag	Mean error on ipmag (psfMagErr_i) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_z	0.045	mag	Mean error on zpmag (psfMagErr_z) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMag_u	20.161	mag	[-0.4/47.2] Petrosian magnitude in u band (petroMag_u) (Note 4)   (phot.mag;em.opt.U) (PHOT_SDSS_U)
petroMag_g	19.169	mag	[3.7/48] Petrosian magnitude in g band (petroMag_g) (Note 4)   (phot.mag;em.opt.B) (PHOT_SDSS_G)
petroMag_r	19.053	mag	[1.3/48.6] Petrosian magnitude in r band (petroMag_r) (Note 4)   (phot.mag;em.opt.R) (PHOT_SDSS_R)
petroMag_i	19.075	mag	[2.6/48.4] Petrosian magnitude in i band (petroMag_i) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_I)
petroMag_z	19.052	mag	[-2.9/45.1] Petrosian magnitude in z band (petroMag_z) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_Z)
petroMagErr_u	0.064	mag	[1e-7/100] Mean error in uPmag (petroMagErr_u) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_g	0.013	mag	[9.1e-9/100] Mean error in gPmag (petroMagErr_g) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_r	0.017	mag	Mean error in rPmag (petroMagErr_r) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_i	0.024	mag	Mean error in iPmag (petroMagErr_i) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_z	0.091	mag	Mean error in zPmag (petroMagErr_z) (Note 4)   (stat.error;phot.mag) (ERROR)
petroRad_u	7.032	arcsec	[1.2e-6/261] Petrosian radius in u band (petroRad_u) (phys.angSize;src) (EXTENSION_RAD)
petroRad_g	1.479	arcsec	[2.3e-6/261] Petrosian radius in g band (petroRad_g) (phys.angSize;src) (EXTENSION_RAD)
petroRad_r	1.334	arcsec	[4.9e-6/260] Petrosian radius in r band (petroRad_r) (phys.angSize;src) (EXTENSION_RAD)
petroRad_i	1.309	arcsec	[2.2e-6/263] Petrosian radius in i band (petroRad_i) (phys.angSize;src) (EXTENSION_RAD)
petroRad_z	1.346	arcsec	[8.3e-7/261] Petrosian radius in z band (petroRad_z) (phys.angSize;src) (EXTENSION_RAD)
petroRadErr_u	0.136	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_u) (stat.error) (ERROR)
petroRadErr_g	0.027	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_g) (stat.error) (ERROR)
petroRadErr_r	0.041	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_r) (stat.error) (ERROR)
petroRadErr_i	0.029	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_i) (stat.error) (ERROR)
petroRadErr_z	0.370	arcsec	[-1000/257] Mean error in rPrad (petroRadErr_z) (stat.error) (ERROR)
deVRad_u	0.101	arcsec	[0/257] De Vaucouleurs fit radius u band (deVRad_u) (phys.angSize;src) (EXTENSION_RAD)
deVRad_g	0.066	arcsec	[0/238] De Vaucouleurs fit radius g band (deVRad_g) (phys.angSize;src) (EXTENSION_RAD)
deVRad_r	0.001	arcsec	[0/238] De Vaucouleurs fit radius r band (deVRad_r) (phys.angSize;src) (EXTENSION_RAD)
deVRad_i	0.059	arcsec	[0/232] De Vaucouleurs fit radius i band (deVRad_i) (phys.angSize;src) (EXTENSION_RAD)
deVRad_z	0.127	arcsec	[0/238] De Vaucouleurs fit radius z band (deVRad_z) (phys.angSize;src) (EXTENSION_RAD)
deVAB_u	0.088		[0.05/1] De Vaucouleurs fit b/a u band (deVAB_u) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_g	0.250		[0.05/1] De Vaucouleurs fit b/a g band (deVAB_g) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_r	0.754		[0.05/1] De Vaucouleurs fit b/a r band (deVAB_r) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_i	0.107		[0.05/1] De Vaucouleurs fit b/a i band (deVAB_i) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_z	0.093		[0.05/1] De Vaucouleurs fit b/a z band (deVAB_z) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVPhi_u	85.9	deg	[-10105/271] Position angle of dVrad in u band (deVPhi_u) (pos.posAng) (POS_POS-ANG)
deVPhi_g	46.4	deg	[-10105/271] Position angle of dVrad in g band (deVPhi_g) (pos.posAng) (POS_POS-ANG)
deVPhi_r	162.3	deg	[-10105/271] Position angle of dVrad in r band (deVPhi_r) (pos.posAng) (POS_POS-ANG)
deVPhi_i	136.4	deg	[-10105/271] Position angle of dVrad in i band (deVPhi_i) (pos.posAng) (POS_POS-ANG)
deVPhi_z	166.6	deg	[-10105/271] Position angle of dVrad in z band (deVPhi_z) (pos.posAng) (POS_POS-ANG)
flags_u	275297370624		Detection flags u band (flags_u) (Note 3)   (meta.code) (CODE_MISC)
flags_g	293634048		Detection flags g band (flags_g) (Note 3)   (meta.code) (CODE_MISC)
flags_r	4503599921004544		Detection flags r band (flags_r) (Note 3)   (meta.code) (CODE_MISC)
flags_i	285376512		Detection flags i band (flags_i) (Note 3)   (meta.code) (CODE_MISC)
flags_z	275297370112		Detection flags z band (flags_z) (Note 3)   (meta.code) (CODE_MISC)
type_u	6		[0/8] Phototype in u band (6=Star ; 3=galaxy) (type_u) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_g	6		[0/8] Phototype in i band (6=Star ; 3=galaxy) (type_g) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_r	6		[0/8] Phototype in r band (6=Star ; 3=galaxy) (type_r) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_i	6		[0/8] Phototype in i band (6=Star ; 3=galaxy) (type_i) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_z	6		[0/8] Phototype in z band (6=Star ; 3=galaxy) (type_z) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_u	1.0		[0/1] 0=notStar 1=Star in u band (probPSF_u) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_g	1.0		[0/1] 0=notStar 1=Star in g band (probPSF_g) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_r	1.0		[0/1] 0=notStar 1=Star in r band (probPSF_r) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_i	1.0		[0/1] 0=notStar 1=Star in i band (probPSF_i) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_z	1.0		[0/1] 0=notStar 1=Star in z band (probPSF_z) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
raErr	0.006	arcsec	[0/51703] Mean error on RAdeg (raErr) (stat.error;pos.eq.ra) (ERROR)
decErr	0.006	arcsec	[0/22795] Mean error on DEdeg (decErr) (stat.error;pos.eq.dec) (ERROR)
offsetRa_u	0.03	arcsec	Offset of u position along RA (offsetRa_u) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_g	0.05	arcsec	Offset of g position along RA (offsetRa_g) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_r	0.00	arcsec	Offset of r position along RA (offsetRa_r) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_i	0.00	arcsec	Offset of i position along RA (offsetRa_i) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_z	-0.00	arcsec	Offset of z position along RA (offsetRa_z) (pos.angDistance) (POS_EQ_RA_OFF)
offsetDec_u	0.09	arcsec	Offset of u position along Dec (offsetDec_u) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_g	0.07	arcsec	Offset of g position along Dec (offsetDec_g) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_r	0.00	arcsec	Offset of r position along Dec (offsetDec_r) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_i	0.00	arcsec	Offset of i position along Dec (offsetDec_i) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_z	0.05	arcsec	Offset of z position along Dec (offsetDec_z) (pos.angDistance) (POS_EQ_DEC_OFF)
parentID	1237663543162110082		Pointer to parent (if object deblended) (meta.id.parent) (ID_PARENT)
specObjID	0		(i) Pointer to the spectrum of object or 0 (specObjID) (Note 6)   (meta.id) (ID_ALTERNATIVE)
u	20.066	mag	(i) [4/37.3] Model magnitude in u filter AB scale (u) (Note 7)   (phot.mag;em.opt.U) (PHOT_SDSS_U)
g	19.108	mag	(i) [3.7/39.6] Model magnitude in g filter AB scale (g) (Note 7)   (phot.mag;em.opt.B) (PHOT_SDSS_G)
r	19.014	mag	(i) [3.8/40.4] Model magnitude in r filter AB scale (r) (Note 7)   (phot.mag;em.opt.R) (PHOT_SDSS_R)
i	18.981	mag	(i) [2.6/39.5] Model magnitude in i filter AB scale (i) (Note 7)   (phot.mag;em.opt.I) (PHOT_SDSS_I)
z	19.028	mag	(i) [3.5/37.2] Model magnitude in z filter AB scale (z) (Note 7)   (phot.mag;em.opt.I) (PHOT_SDSS_Z)
err_u	0.045	mag	[8.9e-8/3444] Mean error on umag (err_u) (stat.error;phot.mag) (ERROR)
err_g	0.010	mag	[3.8e-8/5955] Mean error on gmag (err_g) (stat.error;phot.mag) (ERROR)
err_r	0.011	mag	[5.2e-8/915] Mean error on rmag (err_r) (stat.error;phot.mag) (ERROR)
err_i	0.014	mag	[0/634] Mean error on imag (err_i) (stat.error;phot.mag) (ERROR)
err_z	0.047	mag	[9.4e-8/3529] Mean error on zmag (err_z) (stat.error;phot.mag) (ERROR)
resolveStatus	1025		[0/4145] Decimal status (resolveStatus) (Note 5)   (meta.code) (CODE_MISC)
spec_instrument			Spectral instrument used ("SDSS" or "BOSS") (spec_instrument) (Note 6)   (meta.id;instr) (INST_ID)
spec_sourceType			Source type (spec_sourceType) (6) (Note 8)   (src.class) (CLASS_OBJECT)
spec_z			(i) [-0.012/7.06] Spectroscopic final redshift (when SpObjID>0) (spec_z) (Note 6)   (src.redshift) (REDSHIFT_HC)
spec_zErr			[-6/30689] Mean error on zsp (negative for bad fit) (spec_zErr) (Note 6)   (stat.error) (ERROR)
spec_zWarning			[0/902] Zwarning flag (spec_zWarning) (6) (Note 9)   (meta.code) (CODE_MISC)
spec_class			Spectroscopic class: "GALAXY"; "QSO"; "STAR" (spec_class) (Note 6)   (meta.code.class;pos.parallax.spect) (CLASS_STAR/GALAXY)
spec_subClass			Spectroscopic subclass (spec_subClass) (6) (Note 10)   (src.class) (CLASS_OBJECT)
spec_velDisp		km/s	[0/850] Velocity dispersion (spec_velDisp) (Note 6)   (phys.veloc.dispersion) (VELOC_DISP)
spec_velDispErr		km/s	[-7/4526] Mean error on Vdisp (spec_velDispErr) (Note 6)   (stat.error) (ERROR)
spec_snMedian			[-1927/132] Median signal-to-noise over all good pixels (spec_snMedian) (Note 6)   (em.wl.central;stat.median) (INST_S/N)
pm_match	1		[0/4] Number of USNO-B objects matched within 1arcsec (pm_match) (Note 11)   (meta.number) (NUMBER)
pm_pmRa	-1.65	mas/yr	[-6121/5519] Proper motion along Right Ascension (pm_pmRa) (Note 11)   (pos.pm;pos.eq.ra) (POS_EQ_PMRA)
pm_pmDec	-4.39	mas/yr	[-4846/4437] Proper motion along Declination (pm_pmDec) (Note 11)   (pos.pm;pos.eq.dec) (POS_EQ_PMDEC)
pm_pmRaErr	3.17	mas/yr	[0/4709] Mean error on pmRA (pm_pmRaErr) (Note 11)   (stat.error;pos.pm;pos.eq.ra) (ERROR)
pm_pmDecErr	3.17	mas/yr	[0/4709] Mean error on pmDE (pm_pmDecErr) (Note 11)   (stat.error;pos.pm;pos.eq.dec) (ERROR)
pm_sigRa	139.08	mas	[0/8662] RMS residual of proper motion fit in RA (pm_sigRa) (Note 11)   (stat.fit.residual) (FIT_RESIDUAL)
pm_sigDec	197.01	mas	[0/10625] RMS residual of proper motion fit in Dec (pm_sigDec) (Note 11)   (stat.fit.residual) (FIT_RESIDUAL)
pm_nFit	5		[0/6] Number of detections used in the pm fit including SDSS (pm_nFit) (Note 11)   (meta.number) (NUMBER)
pm_O	18.8		[-214740/70189] Magnitude from USNO-B O plate recalibrated to SDSS g (pm_O) (Note 11)   (phot.mag;em.opt.B) (PHOT_PHG_B)
pm_E	19.1		Magnitude from E plate recalibrated to SDSS r (pm_E) (Note 11)   (phot.mag;em.opt.R) (PHOT_PHG_R)
pm_J	19.2		Magnitude from J plate recalibrated to SDSS g (pm_J) (Note 11)   (phot.mag;em.opt.B) (PHOT_PHG_B)
pm_F	19.0		Magnitude from F plate recalibrated to SDSS r (pm_F) (Note 11)   (phot.mag;em.opt.R) (PHOT_PHG_R)
pm_N	0.0		Magnitude from N plate recalibrated to SDSS i (pm_N) (Note 11)   (phot.mag;em.opt.I) (PHOT_PHG_I)
photoz_z			(i) [5e-4/1] Photometric redshift estimated by robust fit to nearest neighbors in a reference set (photoz_z) (Note 12)   (src.redshift) (REDSHIFT_PHOT)
photoz_zErr			[0.003/0.3] Estimated error of the photometric redshift (photoz_zErr) (Note 12)   (stat.error) (ERROR)
photoz_nnAvgZ			[0.009/0.9] Average redshift of the nearest neighbors; if significantly different from zph this might be a better estimate than zph (photoz_nnAvgZ) (Note 12)   (src.redshift.phot) (REDSHIFT_PHOT)
photoz_chisq			[2e-12/6.3e7] Chi-square value for the minimum chi-square template fit (photoz_chisq) (Note 12)   (stat.value) (FIT_CHI2)
field_quality	3		[1/3] Quality of the observation: 1=bad; 2=barely acceptable; 3=good (field_quality) (Note 13)   (meta.code.qual;obs.param;obs) (CODE_QUALITY)
field_mjd_u	52936.2288	d	Date of observation in u band (field_mjd_u) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_g	52936.2305	d	Date of observation in g band (field_mjd_g) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_r	52936.2272	d	Date of observation in r band (field_mjd_r) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_i	52936.2280	d	Date of observation in i band (field_mjd_i) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_z	52936.2297	d	Date of observation in z band (field_mjd_z) (Note 13)   (time.epoch) (TIME_DATE)
SDSS16	SDSS J002716.16-000240.4		(i) SDSS-DR16 name based on J2000 position; provided by CDS (meta.id) (ID_ALTERNATIVE)
SDSS-ID	4207-301-3-0417-0131		(i) SDSS object identifier (run-rerun-camcol-field-object) (Note 1)   (meta.id) (ID_ALTERNATIVE)
Sp-ID			(i) Spectroscopic Plate-MJD-Fiber identifier (plate-mjd-fiberID) (meta.id) (ID_ALTERNATIVE)
MJD	52936.2288	d	Mean observation date (average calculated by CDS from the uMJD, gMJD, rMJD, iMJD, zMJD) (time.epoch) (TIME_DATE)

Column	Value		Explain   (UCD)
_r	0.158	arcsec	Distance from center (006.817346-00.044534)[ICRS], at Epoch of catalog (MJD) (pos.angDistance) (POS_ANG_DIST_GENERAL)
_RAJ2000	00 27 16.17229	"h:m:s"	Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra) (POS_EQ_RA)
_DEJ2000	-00 02 40.3981	"d:m:s"	Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_RAB1950	00 24 42.43521	"h:m:s"	Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra) (POS_EQ_RA)
_DEB1950	-00 19 16.2441	"d:m:s"	Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_Glon	109.84405617	deg	Galactic longitude at Epoch=J0. (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lon) (POS_GAL_LON)
_Glat	-62.30058356	deg	Galactic latitude at Epoch=J0. (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lat) (POS_GAL_LAT)
objID	1237663543162110082		(i) SDSS unique object identifier (1) (links to online SDSS-DR16 data) (Note)   (meta.id;meta.main) (ID_MAIN)
ra	006.817385	deg	(i) Right Ascension of the object (ICRS) at Epoch="MJD" (ra) (pos.eq.ra;meta.main) (POS_EQ_RA_MAIN)
dec	-00.044555	deg	(i) Declination of the object (ICRS) at Epoch="MJD" (dec) (pos.eq.dec;meta.main) (POS_EQ_DEC_MAIN)
fieldID	1237663543162109952		The field this object is in (meta.note) (ID_FIELD)
mode	3		[1/4] PhotoMode (1=primary, 2=secondary, 3=family, 4=outside) (meta.code.class) (CLASS_CODE)
type	6		[0/8] Type of object (3=galaxy, 6=star) (type) (Note 2)   (src.class) (CLASS_OBJECT)
clean	0		[0/1] Clean photometry flag (1=clean; 0=unclean) (meta.code) (CODE_MISC)
flags	68987912706		Photo Object Attribute flags (Note 3)   (meta.code.error) (CODE_MISC)
psfMag_u	20.065	mag	(i) [4/35] PSF magnitude in u band (psfMag_u) (Note 4)   (phot.mag;em.opt.U) (PHOT_SDSS_U)
psfMag_g	19.106	mag	[3.7/37] PSF magnitude in g band (psfMag_g) (Note 4)   (phot.mag;em.opt.B) (PHOT_SDSS_G)
psfMag_r	19.011	mag	[3.8/36] PSF magnitude in r band (psfMag_r) (Note 4)   (phot.mag;em.opt.R) (PHOT_SDSS_R)
psfMag_i	18.977	mag	[2.6/34] PSF magnitude in i band (psfMag_i) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_I)
psfMag_z	18.984	mag	[3.8/33.3] PSF magnitude in z band (psfMag_z) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_Z)
psfMagErr_u	0.042	mag	[1.5e-5/100] Mean error on upmag (psfMagErr_u) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_g	0.021	mag	Mean error on gpmag (psfMagErr_g) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_r	0.018	mag	Mean error on rpmag (psfMagErr_r) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_i	0.019	mag	Mean error on ipmag (psfMagErr_i) (Note 4)   (stat.error;phot.mag) (ERROR)
psfMagErr_z	0.044	mag	Mean error on zpmag (psfMagErr_z) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMag_u	20.102	mag	[-0.4/47.2] Petrosian magnitude in u band (petroMag_u) (Note 4)   (phot.mag;em.opt.U) (PHOT_SDSS_U)
petroMag_g	19.146	mag	[3.7/48] Petrosian magnitude in g band (petroMag_g) (Note 4)   (phot.mag;em.opt.B) (PHOT_SDSS_G)
petroMag_r	19.035	mag	[1.3/48.6] Petrosian magnitude in r band (petroMag_r) (Note 4)   (phot.mag;em.opt.R) (PHOT_SDSS_R)
petroMag_i	19.038	mag	[2.6/48.4] Petrosian magnitude in i band (petroMag_i) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_I)
petroMag_z	18.960	mag	[-2.9/45.1] Petrosian magnitude in z band (petroMag_z) (Note 4)   (phot.mag;em.opt.I) (PHOT_SDSS_Z)
petroMagErr_u	0.062	mag	[1e-7/100] Mean error in uPmag (petroMagErr_u) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_g	0.013	mag	[9.1e-9/100] Mean error in gPmag (petroMagErr_g) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_r	0.017	mag	Mean error in rPmag (petroMagErr_r) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_i	0.024	mag	Mean error in iPmag (petroMagErr_i) (Note 4)   (stat.error;phot.mag) (ERROR)
petroMagErr_z	0.084	mag	Mean error in zPmag (petroMagErr_z) (Note 4)   (stat.error;phot.mag) (ERROR)
petroRad_u	6.260	arcsec	[1.2e-6/261] Petrosian radius in u band (petroRad_u) (phys.angSize;src) (EXTENSION_RAD)
petroRad_g	1.435	arcsec	[2.3e-6/261] Petrosian radius in g band (petroRad_g) (phys.angSize;src) (EXTENSION_RAD)
petroRad_r	1.357	arcsec	[4.9e-6/260] Petrosian radius in r band (petroRad_r) (phys.angSize;src) (EXTENSION_RAD)
petroRad_i	1.324	arcsec	[2.2e-6/263] Petrosian radius in i band (petroRad_i) (phys.angSize;src) (EXTENSION_RAD)
petroRad_z	1.631	arcsec	[8.3e-7/261] Petrosian radius in z band (petroRad_z) (phys.angSize;src) (EXTENSION_RAD)
petroRadErr_u	2.335	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_u) (stat.error) (ERROR)
petroRadErr_g	0.008	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_g) (stat.error) (ERROR)
petroRadErr_r	0.041	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_r) (stat.error) (ERROR)
petroRadErr_i	0.039	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_i) (stat.error) (ERROR)
petroRadErr_z	1.043	arcsec	[-1000/257] Mean error in rPrad (petroRadErr_z) (stat.error) (ERROR)
deVRad_u	0.122	arcsec	[0/257] De Vaucouleurs fit radius u band (deVRad_u) (phys.angSize;src) (EXTENSION_RAD)
deVRad_g	0.082	arcsec	[0/238] De Vaucouleurs fit radius g band (deVRad_g) (phys.angSize;src) (EXTENSION_RAD)
deVRad_r	0.009	arcsec	[0/238] De Vaucouleurs fit radius r band (deVRad_r) (phys.angSize;src) (EXTENSION_RAD)
deVRad_i	0.066	arcsec	[0/232] De Vaucouleurs fit radius i band (deVRad_i) (phys.angSize;src) (EXTENSION_RAD)
deVRad_z	0.136	arcsec	[0/238] De Vaucouleurs fit radius z band (deVRad_z) (phys.angSize;src) (EXTENSION_RAD)
deVAB_u	0.372		[0.05/1] De Vaucouleurs fit b/a u band (deVAB_u) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_g	0.250		[0.05/1] De Vaucouleurs fit b/a g band (deVAB_g) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_r	0.976		[0.05/1] De Vaucouleurs fit b/a r band (deVAB_r) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_i	0.128		[0.05/1] De Vaucouleurs fit b/a i band (deVAB_i) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_z	0.138		[0.05/1] De Vaucouleurs fit b/a z band (deVAB_z) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVPhi_u	77.5	deg	[-10105/271] Position angle of dVrad in u band (deVPhi_u) (pos.posAng) (POS_POS-ANG)
deVPhi_g	47.3	deg	[-10105/271] Position angle of dVrad in g band (deVPhi_g) (pos.posAng) (POS_POS-ANG)
deVPhi_r	162.6	deg	[-10105/271] Position angle of dVrad in r band (deVPhi_r) (pos.posAng) (POS_POS-ANG)
deVPhi_i	137.7	deg	[-10105/271] Position angle of dVrad in i band (deVPhi_i) (pos.posAng) (POS_POS-ANG)
deVPhi_z	167.3	deg	[-10105/271] Position angle of dVrad in z band (deVPhi_z) (pos.posAng) (POS_POS-ANG)
flags_u	275297337856		Detection flags u band (flags_u) (Note 3)   (meta.code) (CODE_MISC)
flags_g	275171508226		Detection flags g band (flags_g) (Note 3)   (meta.code) (CODE_MISC)
flags_r	4503874798878722		Detection flags r band (flags_r) (Note 3)   (meta.code) (CODE_MISC)
flags_i	275163283458		Detection flags i band (flags_i) (Note 3)   (meta.code) (CODE_MISC)
flags_z	275297370112		Detection flags z band (flags_z) (Note 3)   (meta.code) (CODE_MISC)
type_u	6		[0/8] Phototype in u band (6=Star ; 3=galaxy) (type_u) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_g	6		[0/8] Phototype in i band (6=Star ; 3=galaxy) (type_g) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_r	6		[0/8] Phototype in r band (6=Star ; 3=galaxy) (type_r) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_i	6		[0/8] Phototype in i band (6=Star ; 3=galaxy) (type_i) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
type_z	6		[0/8] Phototype in z band (6=Star ; 3=galaxy) (type_z) (Note 2)   (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_u	1.0		[0/1] 0=notStar 1=Star in u band (probPSF_u) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_g	1.0		[0/1] 0=notStar 1=Star in g band (probPSF_g) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_r	1.0		[0/1] 0=notStar 1=Star in r band (probPSF_r) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_i	1.0		[0/1] 0=notStar 1=Star in i band (probPSF_i) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
probPSF_z	1.0		[0/1] 0=notStar 1=Star in z band (probPSF_z) (src.class.starGalaxy) (CLASS_STAR/GALAXY)
raErr	0.006	arcsec	[0/51703] Mean error on RAdeg (raErr) (stat.error;pos.eq.ra) (ERROR)
decErr	0.006	arcsec	[0/22795] Mean error on DEdeg (decErr) (stat.error;pos.eq.dec) (ERROR)
offsetRa_u	0.05	arcsec	Offset of u position along RA (offsetRa_u) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_g	0.05	arcsec	Offset of g position along RA (offsetRa_g) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_r	0.00	arcsec	Offset of r position along RA (offsetRa_r) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_i	0.01	arcsec	Offset of i position along RA (offsetRa_i) (pos.angDistance) (POS_EQ_RA_OFF)
offsetRa_z	-0.04	arcsec	Offset of z position along RA (offsetRa_z) (pos.angDistance) (POS_EQ_RA_OFF)
offsetDec_u	0.06	arcsec	Offset of u position along Dec (offsetDec_u) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_g	0.07	arcsec	Offset of g position along Dec (offsetDec_g) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_r	0.00	arcsec	Offset of r position along Dec (offsetDec_r) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_i	0.00	arcsec	Offset of i position along Dec (offsetDec_i) (pos.angDistance) (POS_EQ_DEC_OFF)
offsetDec_z	0.02	arcsec	Offset of z position along Dec (offsetDec_z) (pos.angDistance) (POS_EQ_DEC_OFF)
parentID	0		Pointer to parent (if object deblended) (meta.id.parent) (ID_PARENT)
specObjID	0		(i) Pointer to the spectrum of object or 0 (specObjID) (Note 6)   (meta.id) (ID_ALTERNATIVE)
u	20.054	mag	(i) [4/37.3] Model magnitude in u filter AB scale (u) (Note 7)   (phot.mag;em.opt.U) (PHOT_SDSS_U)
g	19.097	mag	(i) [3.7/39.6] Model magnitude in g filter AB scale (g) (Note 7)   (phot.mag;em.opt.B) (PHOT_SDSS_G)
r	19.008	mag	(i) [3.8/40.4] Model magnitude in r filter AB scale (r) (Note 7)   (phot.mag;em.opt.R) (PHOT_SDSS_R)
i	18.968	mag	(i) [2.6/39.5] Model magnitude in i filter AB scale (i) (Note 7)   (phot.mag;em.opt.I) (PHOT_SDSS_I)
z	18.993	mag	(i) [3.5/37.2] Model magnitude in z filter AB scale (z) (Note 7)   (phot.mag;em.opt.I) (PHOT_SDSS_Z)
err_u	0.044	mag	[8.9e-8/3444] Mean error on umag (err_u) (stat.error;phot.mag) (ERROR)
err_g	0.010	mag	[3.8e-8/5955] Mean error on gmag (err_g) (stat.error;phot.mag) (ERROR)
err_r	0.011	mag	[5.2e-8/915] Mean error on rmag (err_r) (stat.error;phot.mag) (ERROR)
err_i	0.014	mag	[0/634] Mean error on imag (err_i) (stat.error;phot.mag) (ERROR)
err_z	0.047	mag	[9.4e-8/3529] Mean error on zmag (err_z) (stat.error;phot.mag) (ERROR)
resolveStatus	8		[0/4145] Decimal status (resolveStatus) (Note 5)   (meta.code) (CODE_MISC)
spec_instrument			Spectral instrument used ("SDSS" or "BOSS") (spec_instrument) (Note 6)   (meta.id;instr) (INST_ID)
spec_sourceType			Source type (spec_sourceType) (6) (Note 8)   (src.class) (CLASS_OBJECT)
spec_z			(i) [-0.012/7.06] Spectroscopic final redshift (when SpObjID>0) (spec_z) (Note 6)   (src.redshift) (REDSHIFT_HC)
spec_zErr			[-6/30689] Mean error on zsp (negative for bad fit) (spec_zErr) (Note 6)   (stat.error) (ERROR)
spec_zWarning			[0/902] Zwarning flag (spec_zWarning) (6) (Note 9)   (meta.code) (CODE_MISC)
spec_class			Spectroscopic class: "GALAXY"; "QSO"; "STAR" (spec_class) (Note 6)   (meta.code.class;pos.parallax.spect) (CLASS_STAR/GALAXY)
spec_subClass			Spectroscopic subclass (spec_subClass) (6) (Note 10)   (src.class) (CLASS_OBJECT)
spec_velDisp		km/s	[0/850] Velocity dispersion (spec_velDisp) (Note 6)   (phys.veloc.dispersion) (VELOC_DISP)
spec_velDispErr		km/s	[-7/4526] Mean error on Vdisp (spec_velDispErr) (Note 6)   (stat.error) (ERROR)
spec_snMedian			[-1927/132] Median signal-to-noise over all good pixels (spec_snMedian) (Note 6)   (em.wl.central;stat.median) (INST_S/N)
pm_match			[0/4] Number of USNO-B objects matched within 1arcsec (pm_match) (Note 11)   (meta.number) (NUMBER)
pm_pmRa		mas/yr	[-6121/5519] Proper motion along Right Ascension (pm_pmRa) (Note 11)   (pos.pm;pos.eq.ra) (POS_EQ_PMRA)
pm_pmDec		mas/yr	[-4846/4437] Proper motion along Declination (pm_pmDec) (Note 11)   (pos.pm;pos.eq.dec) (POS_EQ_PMDEC)
pm_pmRaErr		mas/yr	[0/4709] Mean error on pmRA (pm_pmRaErr) (Note 11)   (stat.error;pos.pm;pos.eq.ra) (ERROR)
pm_pmDecErr		mas/yr	[0/4709] Mean error on pmDE (pm_pmDecErr) (Note 11)   (stat.error;pos.pm;pos.eq.dec) (ERROR)
pm_sigRa		mas	[0/8662] RMS residual of proper motion fit in RA (pm_sigRa) (Note 11)   (stat.fit.residual) (FIT_RESIDUAL)
pm_sigDec		mas	[0/10625] RMS residual of proper motion fit in Dec (pm_sigDec) (Note 11)   (stat.fit.residual) (FIT_RESIDUAL)
pm_nFit			[0/6] Number of detections used in the pm fit including SDSS (pm_nFit) (Note 11)   (meta.number) (NUMBER)
pm_O			[-214740/70189] Magnitude from USNO-B O plate recalibrated to SDSS g (pm_O) (Note 11)   (phot.mag;em.opt.B) (PHOT_PHG_B)
pm_E			Magnitude from E plate recalibrated to SDSS r (pm_E) (Note 11)   (phot.mag;em.opt.R) (PHOT_PHG_R)
pm_J			Magnitude from J plate recalibrated to SDSS g (pm_J) (Note 11)   (phot.mag;em.opt.B) (PHOT_PHG_B)
pm_F			Magnitude from F plate recalibrated to SDSS r (pm_F) (Note 11)   (phot.mag;em.opt.R) (PHOT_PHG_R)
pm_N			Magnitude from N plate recalibrated to SDSS i (pm_N) (Note 11)   (phot.mag;em.opt.I) (PHOT_PHG_I)
photoz_z			(i) [5e-4/1] Photometric redshift estimated by robust fit to nearest neighbors in a reference set (photoz_z) (Note 12)   (src.redshift) (REDSHIFT_PHOT)
photoz_zErr			[0.003/0.3] Estimated error of the photometric redshift (photoz_zErr) (Note 12)   (stat.error) (ERROR)
photoz_nnAvgZ			[0.009/0.9] Average redshift of the nearest neighbors; if significantly different from zph this might be a better estimate than zph (photoz_nnAvgZ) (Note 12)   (src.redshift.phot) (REDSHIFT_PHOT)
photoz_chisq			[2e-12/6.3e7] Chi-square value for the minimum chi-square template fit (photoz_chisq) (Note 12)   (stat.value) (FIT_CHI2)
field_quality	3		[1/3] Quality of the observation: 1=bad; 2=barely acceptable; 3=good (field_quality) (Note 13)   (meta.code.qual;obs.param;obs) (CODE_QUALITY)
field_mjd_u	52936.2288	d	Date of observation in u band (field_mjd_u) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_g	52936.2305	d	Date of observation in g band (field_mjd_g) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_r	52936.2272	d	Date of observation in r band (field_mjd_r) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_i	52936.2280	d	Date of observation in i band (field_mjd_i) (Note 13)   (time.epoch) (TIME_DATE)
field_mjd_z	52936.2297	d	Date of observation in z band (field_mjd_z) (Note 13)   (time.epoch) (TIME_DATE)
SDSS16	SDSS J002716.17-000240.3		(i) SDSS-DR16 name based on J2000 position; provided by CDS (meta.id) (ID_ALTERNATIVE)
SDSS-ID	4207-301-3-0417-0130		(i) SDSS object identifier (run-rerun-camcol-field-object) (Note 1)   (meta.id) (ID_ALTERNATIVE)
Sp-ID			(i) Spectroscopic Plate-MJD-Fiber identifier (plate-mjd-fiberID) (meta.id) (ID_ALTERNATIVE)
MJD	52936.2288	d	Mean observation date (average calculated by CDS from the uMJD, gMJD, rMJD, iMJD, zMJD) (time.epoch) (TIME_DATE)