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V/154/sdss16

Sloan Digital Sky Surveys (SDSS), Release 16 (DR16) (Ahumada+, 2020)

Data Release 16 (469,050,976 primary sources plus 325,277,739 secondary sources) (original column names in green) (1231051050 rows)

-c=044.970269 +00.775449, eq=ICRS, rs=2

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*Column*	*Value*		*Explain (UCD)*
_r	0.000	arcsec	Distance from center (044.970269+00.775449)[ICRS], at Epoch of catalog (MJD) (pos.angDistance) (POS_ANG_DIST_GENERAL)
_RAJ2000	02 59 52.87306	"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 46 31.6888	"d:m:s"	Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_RAB1950	02 57 18.66016	"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 34 39.3918	"d:m:s"	Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_Glon	176.08923478	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	-48.38283458	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	1237666542115487977		⁽ⁱ⁾ SDSS unique object identifier (1) (links to online SDSS-DR16 data) (Note) (meta.id;meta.main) (ID_MAIN)
ra	044.970269	deg	⁽ⁱ⁾ Right Ascension of the object (ICRS) at Epoch="MJD" (ra) (pos.eq.ra;meta.main) (POS_EQ_RA_MAIN)
dec	+00.775449	deg	⁽ⁱ⁾ Declination of the object (ICRS) at Epoch="MJD" (dec) (pos.eq.dec;meta.main) (POS_EQ_DEC_MAIN)
fieldID	1237666542115487744		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	68987912960		Photo Object Attribute flags (Note 3) (meta.code.error) (CODE_MISC)
psfMag_u	23.354	mag	⁽ⁱ⁾ [4/35] PSF magnitude in u band (psfMag_u) (Note 4) (phot.mag;em.opt.U) (PHOT_SDSS_U)
psfMag_g	20.827	mag	[3.7/37] PSF magnitude in g band (psfMag_g) (Note 4) (phot.mag;em.opt.B) (PHOT_SDSS_G)
psfMag_r	19.298	mag	[3.8/36] PSF magnitude in r band (psfMag_r) (Note 4) (phot.mag;em.opt.R) (PHOT_SDSS_R)
psfMag_i	17.877	mag	[2.6/34] PSF magnitude in i band (psfMag_i) (Note 4) (phot.mag;em.opt.I) (PHOT_SDSS_I)
psfMag_z	17.160	mag	[3.8/33.3] PSF magnitude in z band (psfMag_z) (Note 4) (phot.mag;em.opt.I) (PHOT_SDSS_Z)
psfMagErr_u	0.449	mag	[1.5e-5/100] Mean error on upmag (psfMagErr_u) (Note 4) (stat.error;phot.mag) (ERROR)
psfMagErr_g	0.031	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	0.018	mag	Mean error on ipmag (psfMagErr_i) (Note 4) (stat.error;phot.mag) (ERROR)
psfMagErr_z	0.020	mag	Mean error on zpmag (psfMagErr_z) (Note 4) (stat.error;phot.mag) (ERROR)
petroMag_u	23.010	mag	[-0.4/47.2] Petrosian magnitude in u band (petroMag_u) (Note 4) (phot.mag;em.opt.U) (PHOT_SDSS_U)
petroMag_g	20.905	mag	[3.7/48] Petrosian magnitude in g band (petroMag_g) (Note 4) (phot.mag;em.opt.B) (PHOT_SDSS_G)
petroMag_r	19.298	mag	[1.3/48.6] Petrosian magnitude in r band (petroMag_r) (Note 4) (phot.mag;em.opt.R) (PHOT_SDSS_R)
petroMag_i	17.944	mag	[2.6/48.4] Petrosian magnitude in i band (petroMag_i) (Note 4) (phot.mag;em.opt.I) (PHOT_SDSS_I)
petroMag_z	17.205	mag	[-2.9/45.1] Petrosian magnitude in z band (petroMag_z) (Note 4) (phot.mag;em.opt.I) (PHOT_SDSS_Z)
petroMagErr_u	0.712	mag	[1e-7/100] Mean error in uPmag (petroMagErr_u) (Note 4) (stat.error;phot.mag) (ERROR)
petroMagErr_g	0.051	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	0.012	mag	Mean error in iPmag (petroMagErr_i) (Note 4) (stat.error;phot.mag) (ERROR)
petroMagErr_z	0.021	mag	Mean error in zPmag (petroMagErr_z) (Note 4) (stat.error;phot.mag) (ERROR)
petroRad_u	7.358	arcsec	[1.2e-6/261] Petrosian radius in u band (petroRad_u) (phys.angSize;src) (EXTENSION_RAD)
petroRad_g	1.270	arcsec	[2.3e-6/261] Petrosian radius in g band (petroRad_g) (phys.angSize;src) (EXTENSION_RAD)
petroRad_r	1.260	arcsec	[4.9e-6/260] Petrosian radius in r band (petroRad_r) (phys.angSize;src) (EXTENSION_RAD)
petroRad_i	1.122	arcsec	[2.2e-6/263] Petrosian radius in i band (petroRad_i) (phys.angSize;src) (EXTENSION_RAD)
petroRad_z	1.113	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	0.076	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	0.013	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_i) (stat.error) (ERROR)
petroRadErr_z	0.024	arcsec	[-1000/257] Mean error in rPrad (petroRadErr_z) (stat.error) (ERROR)
deVRad_u	26.048	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	0.081	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	0.026	arcsec	[0/238] De Vaucouleurs fit radius z band (deVRad_z) (phys.angSize;src) (EXTENSION_RAD)
deVAB_u	0.350		[0.05/1] De Vaucouleurs fit b/a u band (deVAB_u) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_g	0.161		[0.05/1] De Vaucouleurs fit b/a g band (deVAB_g) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_r	0.790		[0.05/1] De Vaucouleurs fit b/a r band (deVAB_r) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_i	0.969		[0.05/1] De Vaucouleurs fit b/a i band (deVAB_i) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_z	0.308		[0.05/1] De Vaucouleurs fit b/a z band (deVAB_z) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVPhi_u	134.7	deg	[-10105/271] Position angle of dVrad in u band (deVPhi_u) (pos.posAng) (POS_POS-ANG)
deVPhi_g	42.4	deg	[-10105/271] Position angle of dVrad in g band (deVPhi_g) (pos.posAng) (POS_POS-ANG)
deVPhi_r	77.4	deg	[-10105/271] Position angle of dVrad in r band (deVPhi_r) (pos.posAng) (POS_POS-ANG)
deVPhi_i	69.7	deg	[-10105/271] Position angle of dVrad in i band (deVPhi_i) (pos.posAng) (POS_POS-ANG)
deVPhi_z	74.7	deg	[-10105/271] Position angle of dVrad in z band (deVPhi_z) (pos.posAng) (POS_POS-ANG)
flags_u	9007199389000961		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	4503599895838720		Detection flags r band (flags_r) (Note 3) (meta.code) (CODE_MISC)
flags_i	419463680		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	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	0.009	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	0.07	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	0.02	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	-0.02	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	1237666542115487976		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	23.306	mag	⁽ⁱ⁾ [4/37.3] Model magnitude in u filter AB scale (u) (Note 7) (phot.mag;em.opt.U) (PHOT_SDSS_U)
g	20.825	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	19.269	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	17.878	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	17.137	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	0.455	mag	[8.9e-8/3444] Mean error on umag (err_u) (stat.error;phot.mag) (ERROR)
err_g	0.030	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	0.008	mag	[0/634] Mean error on imag (err_i) (stat.error;phot.mag) (ERROR)
err_z	0.013	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	-26.53	mas/yr	[-6121/5519] Proper motion along Right Ascension (pm_pmRa) (Note 11) (pos.pm;pos.eq.ra) (POS_EQ_PMRA)
pm_pmDec	-15.07	mas/yr	[-4846/4437] Proper motion along Declination (pm_pmDec) (Note 11) (pos.pm;pos.eq.dec) (POS_EQ_PMDEC)
pm_pmRaErr	4.45	mas/yr	[0/4709] Mean error on pmRA (pm_pmRaErr) (Note 11) (stat.error;pos.pm;pos.eq.ra) (ERROR)
pm_pmDecErr	4.45	mas/yr	[0/4709] Mean error on pmDE (pm_pmDecErr) (Note 11) (stat.error;pos.pm;pos.eq.dec) (ERROR)
pm_sigRa	179.74	mas	[0/8662] RMS residual of proper motion fit in RA (pm_sigRa) (Note 11) (stat.fit.residual) (FIT_RESIDUAL)
pm_sigDec	184.44	mas	[0/10625] RMS residual of proper motion fit in Dec (pm_sigDec) (Note 11) (stat.fit.residual) (FIT_RESIDUAL)
pm_nFit	4		[0/6] Number of detections used in the pm fit including SDSS (pm_nFit) (Note 11) (meta.number) (NUMBER)
pm_O	0.0		[-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	0.0		Magnitude from J plate recalibrated to SDSS g (pm_J) (Note 11) (phot.mag;em.opt.B) (PHOT_PHG_B)
pm_F	19.4		Magnitude from F plate recalibrated to SDSS r (pm_F) (Note 11) (phot.mag;em.opt.R) (PHOT_PHG_R)
pm_N	18.0		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	53298.4202	d	Date of observation in u band (field_mjd_u) (Note 13) (time.epoch) (TIME_DATE)
field_mjd_g	53298.4219	d	Date of observation in g band (field_mjd_g) (Note 13) (time.epoch) (TIME_DATE)
field_mjd_r	53298.4185	d	Date of observation in r band (field_mjd_r) (Note 13) (time.epoch) (TIME_DATE)
field_mjd_i	53298.4194	d	Date of observation in i band (field_mjd_i) (Note 13) (time.epoch) (TIME_DATE)
field_mjd_z	53298.4210	d	Date of observation in z band (field_mjd_z) (Note 13) (time.epoch) (TIME_DATE)
SDSS16	SDSS J025952.86+004631.6		⁽ⁱ⁾ SDSS-DR16 name based on J2000 position; provided by CDS (meta.id) (ID_ALTERNATIVE)
SDSS-ID	4905-301-5-0302-0233		⁽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	53298.4202	d	Mean observation date (average calculated by CDS from the uMJD, gMJD, rMJD, iMJD, zMJD) (time.epoch) (TIME_DATE)

Find more around this position in :

Simbad

*Column*	*Value*		*Explain (UCD)*
_r	0.032	arcsec	Distance from center (044.970269+00.775449)[ICRS], at Epoch of catalog (MJD) (pos.angDistance) (POS_ANG_DIST_GENERAL)
_RAJ2000	02 59 52.87009	"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 46 31.6620	"d:m:s"	Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_RAB1950	02 57 18.66065	"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 34 39.4055	"d:m:s"	Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_Glon	176.08923894	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	-48.38282607	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	1237657587099763019		⁽ⁱ⁾ SDSS unique object identifier (1) (links to online SDSS-DR16 data) (Note) (meta.id;meta.main) (ID_MAIN)
ra	044.970277	deg	⁽ⁱ⁾ Right Ascension of the object (ICRS) at Epoch="MJD" (ra) (pos.eq.ra;meta.main) (POS_EQ_RA_MAIN)
dec	+00.775453	deg	⁽ⁱ⁾ Declination of the object (ICRS) at Epoch="MJD" (dec) (pos.eq.dec;meta.main) (POS_EQ_DEC_MAIN)
fieldID	1237657587099762688		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	68987912960		Photo Object Attribute flags (Note 3) (meta.code.error) (CODE_MISC)
psfMag_u	22.775	mag	⁽ⁱ⁾ [4/35] PSF magnitude in u band (psfMag_u) (Note 4) (phot.mag;em.opt.U) (PHOT_SDSS_U)
psfMag_g	20.798	mag	[3.7/37] PSF magnitude in g band (psfMag_g) (Note 4) (phot.mag;em.opt.B) (PHOT_SDSS_G)
psfMag_r	19.297	mag	[3.8/36] PSF magnitude in r band (psfMag_r) (Note 4) (phot.mag;em.opt.R) (PHOT_SDSS_R)
psfMag_i	17.850	mag	[2.6/34] PSF magnitude in i band (psfMag_i) (Note 4) (phot.mag;em.opt.I) (PHOT_SDSS_I)
psfMag_z	17.151	mag	[3.8/33.3] PSF magnitude in z band (psfMag_z) (Note 4) (phot.mag;em.opt.I) (PHOT_SDSS_Z)
psfMagErr_u	0.303	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	0.019	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	0.021	mag	Mean error on zpmag (psfMagErr_z) (Note 4) (stat.error;phot.mag) (ERROR)
petroMag_u	22.493	mag	[-0.4/47.2] Petrosian magnitude in u band (petroMag_u) (Note 4) (phot.mag;em.opt.U) (PHOT_SDSS_U)
petroMag_g	20.896	mag	[3.7/48] Petrosian magnitude in g band (petroMag_g) (Note 4) (phot.mag;em.opt.B) (PHOT_SDSS_G)
petroMag_r	19.324	mag	[1.3/48.6] Petrosian magnitude in r band (petroMag_r) (Note 4) (phot.mag;em.opt.R) (PHOT_SDSS_R)
petroMag_i	17.934	mag	[2.6/48.4] Petrosian magnitude in i band (petroMag_i) (Note 4) (phot.mag;em.opt.I) (PHOT_SDSS_I)
petroMag_z	17.204	mag	[-2.9/45.1] Petrosian magnitude in z band (petroMag_z) (Note 4) (phot.mag;em.opt.I) (PHOT_SDSS_Z)
petroMagErr_u	0.438	mag	[1e-7/100] Mean error in uPmag (petroMagErr_u) (Note 4) (stat.error;phot.mag) (ERROR)
petroMagErr_g	0.048	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	0.009	mag	Mean error in iPmag (petroMagErr_i) (Note 4) (stat.error;phot.mag) (ERROR)
petroMagErr_z	0.016	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	1.303	arcsec	[2.3e-6/261] Petrosian radius in g band (petroRad_g) (phys.angSize;src) (EXTENSION_RAD)
petroRad_r	1.182	arcsec	[4.9e-6/260] Petrosian radius in r band (petroRad_r) (phys.angSize;src) (EXTENSION_RAD)
petroRad_i	1.093	arcsec	[2.2e-6/263] Petrosian radius in i band (petroRad_i) (phys.angSize;src) (EXTENSION_RAD)
petroRad_z	1.248	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	0.230	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_g) (stat.error) (ERROR)
petroRadErr_r	0.028	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_r) (stat.error) (ERROR)
petroRadErr_i	0.012	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_i) (stat.error) (ERROR)
petroRadErr_z	0.027	arcsec	[-1000/257] Mean error in rPrad (petroRadErr_z) (stat.error) (ERROR)
deVRad_u	8.094	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	0.033	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	0.027	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	0.619		[0.05/1] De Vaucouleurs fit b/a g band (deVAB_g) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_r	0.912		[0.05/1] De Vaucouleurs fit b/a r band (deVAB_r) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_i	0.850		[0.05/1] De Vaucouleurs fit b/a i band (deVAB_i) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_z	0.945		[0.05/1] De Vaucouleurs fit b/a z band (deVAB_z) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVPhi_u	8.6	deg	[-10105/271] Position angle of dVrad in u band (deVPhi_u) (pos.posAng) (POS_POS-ANG)
deVPhi_g	99.1	deg	[-10105/271] Position angle of dVrad in g band (deVPhi_g) (pos.posAng) (POS_POS-ANG)
deVPhi_r	75.0	deg	[-10105/271] Position angle of dVrad in r band (deVPhi_r) (pos.posAng) (POS_POS-ANG)
deVPhi_i	66.5	deg	[-10105/271] Position angle of dVrad in i band (deVPhi_i) (pos.posAng) (POS_POS-ANG)
deVPhi_z	73.6	deg	[-10105/271] Position angle of dVrad in z band (deVPhi_z) (pos.posAng) (POS_POS-ANG)
flags_u	9007199397380353		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	4503599904227328		Detection flags r band (flags_r) (Note 3) (meta.code) (CODE_MISC)
flags_i	268468736		Detection flags i band (flags_i) (Note 3) (meta.code) (CODE_MISC)
flags_z	402685952		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	0.05	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	0.01	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	0.00	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	0.00	arcsec	Offset of z position along Dec (offsetDec_z) (pos.angDistance) (POS_EQ_DEC_OFF)
parentID	1237657587099763018		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	22.851	mag	⁽ⁱ⁾ [4/37.3] Model magnitude in u filter AB scale (u) (Note 7) (phot.mag;em.opt.U) (PHOT_SDSS_U)
g	20.812	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	19.284	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	17.851	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	17.141	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	0.335	mag	[8.9e-8/3444] Mean error on umag (err_u) (stat.error;phot.mag) (ERROR)
err_g	0.030	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	0.008	mag	[0/634] Mean error on imag (err_i) (stat.error;phot.mag) (ERROR)
err_z	0.012	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	-27.57	mas/yr	[-6121/5519] Proper motion along Right Ascension (pm_pmRa) (Note 11) (pos.pm;pos.eq.ra) (POS_EQ_PMRA)
pm_pmDec	-15.88	mas/yr	[-4846/4437] Proper motion along Declination (pm_pmDec) (Note 11) (pos.pm;pos.eq.dec) (POS_EQ_PMDEC)
pm_pmRaErr	4.80	mas/yr	[0/4709] Mean error on pmRA (pm_pmRaErr) (Note 11) (stat.error;pos.pm;pos.eq.ra) (ERROR)
pm_pmDecErr	4.80	mas/yr	[0/4709] Mean error on pmDE (pm_pmDecErr) (Note 11) (stat.error;pos.pm;pos.eq.dec) (ERROR)
pm_sigRa	174.30	mas	[0/8662] RMS residual of proper motion fit in RA (pm_sigRa) (Note 11) (stat.fit.residual) (FIT_RESIDUAL)
pm_sigDec	181.24	mas	[0/10625] RMS residual of proper motion fit in Dec (pm_sigDec) (Note 11) (stat.fit.residual) (FIT_RESIDUAL)
pm_nFit	4		[0/6] Number of detections used in the pm fit including SDSS (pm_nFit) (Note 11) (meta.number) (NUMBER)
pm_O	0.0		[-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	0.0		Magnitude from J plate recalibrated to SDSS g (pm_J) (Note 11) (phot.mag;em.opt.B) (PHOT_PHG_B)
pm_F	19.4		Magnitude from F plate recalibrated to SDSS r (pm_F) (Note 11) (phot.mag;em.opt.R) (PHOT_PHG_R)
pm_N	18.0		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	52261.2584	d	Date of observation in u band (field_mjd_u) (Note 13) (time.epoch) (TIME_DATE)
field_mjd_g	52261.2600	d	Date of observation in g band (field_mjd_g) (Note 13) (time.epoch) (TIME_DATE)
field_mjd_r	52261.2567	d	Date of observation in r band (field_mjd_r) (Note 13) (time.epoch) (TIME_DATE)
field_mjd_i	52261.2575	d	Date of observation in i band (field_mjd_i) (Note 13) (time.epoch) (TIME_DATE)
field_mjd_z	52261.2592	d	Date of observation in z band (field_mjd_z) (Note 13) (time.epoch) (TIME_DATE)
SDSS16	SDSS J025952.86+004631.6		⁽ⁱ⁾ SDSS-DR16 name based on J2000 position; provided by CDS (meta.id) (ID_ALTERNATIVE)
SDSS-ID	2820-301-5-0166-0331		⁽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	52261.2584	d	Mean observation date (average calculated by CDS from the uMJD, gMJD, rMJD, iMJD, zMJD) (time.epoch) (TIME_DATE)

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*Column*	*Value*		*Explain (UCD)*
_r	0.035	arcsec	Distance from center (044.970269+00.775449)[ICRS], at Epoch of catalog (MJD) (pos.angDistance) (POS_ANG_DIST_GENERAL)
_RAJ2000	02 59 52.87486	"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 46 31.6771	"d:m:s"	Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_RAB1950	02 57 18.65878	"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 34 39.4141	"d:m:s"	Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_Glon	176.08924858	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	-48.38283098	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	1237666383215198439		⁽ⁱ⁾ SDSS unique object identifier (1) (links to online SDSS-DR16 data) (Note) (meta.id;meta.main) (ID_MAIN)
ra	044.970278	deg	⁽ⁱ⁾ Right Ascension of the object (ICRS) at Epoch="MJD" (ra) (pos.eq.ra;meta.main) (POS_EQ_RA_MAIN)
dec	+00.775445	deg	⁽ⁱ⁾ Declination of the object (ICRS) at Epoch="MJD" (dec) (pos.eq.dec;meta.main) (POS_EQ_DEC_MAIN)
fieldID	1237666383215198208		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	68987912960		Photo Object Attribute flags (Note 3) (meta.code.error) (CODE_MISC)
psfMag_u	23.433	mag	⁽ⁱ⁾ [4/35] PSF magnitude in u band (psfMag_u) (Note 4) (phot.mag;em.opt.U) (PHOT_SDSS_U)
psfMag_g	20.818	mag	[3.7/37] PSF magnitude in g band (psfMag_g) (Note 4) (phot.mag;em.opt.B) (PHOT_SDSS_G)
psfMag_r	19.295	mag	[3.8/36] PSF magnitude in r band (psfMag_r) (Note 4) (phot.mag;em.opt.R) (PHOT_SDSS_R)
psfMag_i	17.880	mag	[2.6/34] PSF magnitude in i band (psfMag_i) (Note 4) (phot.mag;em.opt.I) (PHOT_SDSS_I)
psfMag_z	17.143	mag	[3.8/33.3] PSF magnitude in z band (psfMag_z) (Note 4) (phot.mag;em.opt.I) (PHOT_SDSS_Z)
psfMagErr_u	0.752	mag	[1.5e-5/100] Mean error on upmag (psfMagErr_u) (Note 4) (stat.error;phot.mag) (ERROR)
psfMagErr_g	0.036	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	0.018	mag	Mean error on ipmag (psfMagErr_i) (Note 4) (stat.error;phot.mag) (ERROR)
psfMagErr_z	0.022	mag	Mean error on zpmag (psfMagErr_z) (Note 4) (stat.error;phot.mag) (ERROR)
petroMag_u	23.115	mag	[-0.4/47.2] Petrosian magnitude in u band (petroMag_u) (Note 4) (phot.mag;em.opt.U) (PHOT_SDSS_U)
petroMag_g	20.920	mag	[3.7/48] Petrosian magnitude in g band (petroMag_g) (Note 4) (phot.mag;em.opt.B) (PHOT_SDSS_G)
petroMag_r	19.293	mag	[1.3/48.6] Petrosian magnitude in r band (petroMag_r) (Note 4) (phot.mag;em.opt.R) (PHOT_SDSS_R)
petroMag_i	17.903	mag	[2.6/48.4] Petrosian magnitude in i band (petroMag_i) (Note 4) (phot.mag;em.opt.I) (PHOT_SDSS_I)
petroMag_z	17.116	mag	[-2.9/45.1] Petrosian magnitude in z band (petroMag_z) (Note 4) (phot.mag;em.opt.I) (PHOT_SDSS_Z)
petroMagErr_u	1.492	mag	[1e-7/100] Mean error in uPmag (petroMagErr_u) (Note 4) (stat.error;phot.mag) (ERROR)
petroMagErr_g	0.091	mag	[9.1e-9/100] Mean error in gPmag (petroMagErr_g) (Note 4) (stat.error;phot.mag) (ERROR)
petroMagErr_r	0.029	mag	Mean error in rPmag (petroMagErr_r) (Note 4) (stat.error;phot.mag) (ERROR)
petroMagErr_i	0.013	mag	Mean error in iPmag (petroMagErr_i) (Note 4) (stat.error;phot.mag) (ERROR)
petroMagErr_z	0.022	mag	Mean error in zPmag (petroMagErr_z) (Note 4) (stat.error;phot.mag) (ERROR)
petroRad_u	7.360	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	1.862	arcsec	[4.9e-6/260] Petrosian radius in r band (petroRad_r) (phys.angSize;src) (EXTENSION_RAD)
petroRad_i	1.510	arcsec	[2.2e-6/263] Petrosian radius in i band (petroRad_i) (phys.angSize;src) (EXTENSION_RAD)
petroRad_z	1.374	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	0.089	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_g) (stat.error) (ERROR)
petroRadErr_r	0.075	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_r) (stat.error) (ERROR)
petroRadErr_i	0.024	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_i) (stat.error) (ERROR)
petroRadErr_z	0.036	arcsec	[-1000/257] Mean error in rPrad (petroRadErr_z) (stat.error) (ERROR)
deVRad_u	5.795	arcsec	[0/257] De Vaucouleurs fit radius u band (deVRad_u) (phys.angSize;src) (EXTENSION_RAD)
deVRad_g	0.003	arcsec	[0/238] De Vaucouleurs fit radius g band (deVRad_g) (phys.angSize;src) (EXTENSION_RAD)
deVRad_r	0.089	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	0.023	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	0.203		[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	0.561		[0.05/1] De Vaucouleurs fit b/a i band (deVAB_i) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_z	0.806		[0.05/1] De Vaucouleurs fit b/a z band (deVAB_z) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVPhi_u	8.9	deg	[-10105/271] Position angle of dVrad in u band (deVPhi_u) (pos.posAng) (POS_POS-ANG)
deVPhi_g	107.5	deg	[-10105/271] Position angle of dVrad in g band (deVPhi_g) (pos.posAng) (POS_POS-ANG)
deVPhi_r	69.8	deg	[-10105/271] Position angle of dVrad in r band (deVPhi_r) (pos.posAng) (POS_POS-ANG)
deVPhi_i	102.0	deg	[-10105/271] Position angle of dVrad in i band (deVPhi_i) (pos.posAng) (POS_POS-ANG)
deVPhi_z	106.2	deg	[-10105/271] Position angle of dVrad in z band (deVPhi_z) (pos.posAng) (POS_POS-ANG)
flags_u	9007199389017345		Detection flags u band (flags_u) (Note 3) (meta.code) (CODE_MISC)
flags_g	275154764288		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	285245952		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	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	0.012	arcsec	[0/51703] Mean error on RAdeg (raErr) (stat.error;pos.eq.ra) (ERROR)
decErr	0.012	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	-0.02	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	-0.02	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	0.00	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	1237666383215198438		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	23.557	mag	⁽ⁱ⁾ [4/37.3] Model magnitude in u filter AB scale (u) (Note 7) (phot.mag;em.opt.U) (PHOT_SDSS_U)
g	20.805	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	19.279	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	17.868	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	17.126	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	0.846	mag	[8.9e-8/3444] Mean error on umag (err_u) (stat.error;phot.mag) (ERROR)
err_g	0.037	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	0.008	mag	[0/634] Mean error on imag (err_i) (stat.error;phot.mag) (ERROR)
err_z	0.012	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	-25.58	mas/yr	[-6121/5519] Proper motion along Right Ascension (pm_pmRa) (Note 11) (pos.pm;pos.eq.ra) (POS_EQ_PMRA)
pm_pmDec	-15.75	mas/yr	[-4846/4437] Proper motion along Declination (pm_pmDec) (Note 11) (pos.pm;pos.eq.dec) (POS_EQ_PMDEC)
pm_pmRaErr	4.50	mas/yr	[0/4709] Mean error on pmRA (pm_pmRaErr) (Note 11) (stat.error;pos.pm;pos.eq.ra) (ERROR)
pm_pmDecErr	4.50	mas/yr	[0/4709] Mean error on pmDE (pm_pmDecErr) (Note 11) (stat.error;pos.pm;pos.eq.dec) (ERROR)
pm_sigRa	223.90	mas	[0/8662] RMS residual of proper motion fit in RA (pm_sigRa) (Note 11) (stat.fit.residual) (FIT_RESIDUAL)
pm_sigDec	205.18	mas	[0/10625] RMS residual of proper motion fit in Dec (pm_sigDec) (Note 11) (stat.fit.residual) (FIT_RESIDUAL)
pm_nFit	4		[0/6] Number of detections used in the pm fit including SDSS (pm_nFit) (Note 11) (meta.number) (NUMBER)
pm_O	0.0		[-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	0.0		Magnitude from J plate recalibrated to SDSS g (pm_J) (Note 11) (phot.mag;em.opt.B) (PHOT_PHG_B)
pm_F	19.4		Magnitude from F plate recalibrated to SDSS r (pm_F) (Note 11) (phot.mag;em.opt.R) (PHOT_PHG_R)
pm_N	18.0		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	53286.4171	d	Date of observation in u band (field_mjd_u) (Note 13) (time.epoch) (TIME_DATE)
field_mjd_g	53286.4187	d	Date of observation in g band (field_mjd_g) (Note 13) (time.epoch) (TIME_DATE)
field_mjd_r	53286.4154	d	Date of observation in r band (field_mjd_r) (Note 13) (time.epoch) (TIME_DATE)
field_mjd_i	53286.4162	d	Date of observation in i band (field_mjd_i) (Note 13) (time.epoch) (TIME_DATE)
field_mjd_z	53286.4179	d	Date of observation in z band (field_mjd_z) (Note 13) (time.epoch) (TIME_DATE)
SDSS16	SDSS J025952.86+004631.6		⁽ⁱ⁾ SDSS-DR16 name based on J2000 position; provided by CDS (meta.id) (ID_ALTERNATIVE)
SDSS-ID	4868-301-5-0508-0231		⁽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	53286.4171	d	Mean observation date (average calculated by CDS from the uMJD, gMJD, rMJD, iMJD, zMJD) (time.epoch) (TIME_DATE)

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Simbad

*Column*	*Value*		*Explain (UCD)*
_r	0.036	arcsec	Distance from center (044.970269+00.775449)[ICRS], at Epoch of catalog (MJD) (pos.angDistance) (POS_ANG_DIST_GENERAL)
_RAJ2000	02 59 52.87282	"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 46 31.6539	"d:m:s"	Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_RAB1950	02 57 18.66243	"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 34 39.4891	"d:m:s"	Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_Glon	176.08924970	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	-48.38283592	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	1237663329471693102		⁽ⁱ⁾ SDSS unique object identifier (1) (links to online SDSS-DR16 data) (Note) (meta.id;meta.main) (ID_MAIN)
ra	044.970275	deg	⁽ⁱ⁾ Right Ascension of the object (ICRS) at Epoch="MJD" (ra) (pos.eq.ra;meta.main) (POS_EQ_RA_MAIN)
dec	+00.775441	deg	⁽ⁱ⁾ Declination of the object (ICRS) at Epoch="MJD" (dec) (pos.eq.dec;meta.main) (POS_EQ_DEC_MAIN)
fieldID	1237663329471692800		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	24.110	mag	⁽ⁱ⁾ [4/35] PSF magnitude in u band (psfMag_u) (Note 4) (phot.mag;em.opt.U) (PHOT_SDSS_U)
psfMag_g	20.834	mag	[3.7/37] PSF magnitude in g band (psfMag_g) (Note 4) (phot.mag;em.opt.B) (PHOT_SDSS_G)
psfMag_r	19.283	mag	[3.8/36] PSF magnitude in r band (psfMag_r) (Note 4) (phot.mag;em.opt.R) (PHOT_SDSS_R)
psfMag_i	17.905	mag	[2.6/34] PSF magnitude in i band (psfMag_i) (Note 4) (phot.mag;em.opt.I) (PHOT_SDSS_I)
psfMag_z	17.119	mag	[3.8/33.3] PSF magnitude in z band (psfMag_z) (Note 4) (phot.mag;em.opt.I) (PHOT_SDSS_Z)
psfMagErr_u	0.884	mag	[1.5e-5/100] Mean error on upmag (psfMagErr_u) (Note 4) (stat.error;phot.mag) (ERROR)
psfMagErr_g	0.031	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	0.013	mag	Mean error on ipmag (psfMagErr_i) (Note 4) (stat.error;phot.mag) (ERROR)
psfMagErr_z	0.020	mag	Mean error on zpmag (psfMagErr_z) (Note 4) (stat.error;phot.mag) (ERROR)
petroMag_u	24.708	mag	[-0.4/47.2] Petrosian magnitude in u band (petroMag_u) (Note 4) (phot.mag;em.opt.U) (PHOT_SDSS_U)
petroMag_g	20.881	mag	[3.7/48] Petrosian magnitude in g band (petroMag_g) (Note 4) (phot.mag;em.opt.B) (PHOT_SDSS_G)
petroMag_r	19.337	mag	[1.3/48.6] Petrosian magnitude in r band (petroMag_r) (Note 4) (phot.mag;em.opt.R) (PHOT_SDSS_R)
petroMag_i	17.937	mag	[2.6/48.4] Petrosian magnitude in i band (petroMag_i) (Note 4) (phot.mag;em.opt.I) (PHOT_SDSS_I)
petroMag_z	17.165	mag	[-2.9/45.1] Petrosian magnitude in z band (petroMag_z) (Note 4) (phot.mag;em.opt.I) (PHOT_SDSS_Z)
petroMagErr_u	43.349	mag	[1e-7/100] Mean error in uPmag (petroMagErr_u) (Note 4) (stat.error;phot.mag) (ERROR)
petroMagErr_g	0.413	mag	[9.1e-9/100] Mean error in gPmag (petroMagErr_g) (Note 4) (stat.error;phot.mag) (ERROR)
petroMagErr_r	0.632	mag	Mean error in rPmag (petroMagErr_r) (Note 4) (stat.error;phot.mag) (ERROR)
petroMagErr_i	0.575	mag	Mean error in iPmag (petroMagErr_i) (Note 4) (stat.error;phot.mag) (ERROR)
petroMagErr_z	0.550	mag	Mean error in zPmag (petroMagErr_z) (Note 4) (stat.error;phot.mag) (ERROR)
petroRad_u	0.318	arcsec	[1.2e-6/261] Petrosian radius in u band (petroRad_u) (phys.angSize;src) (EXTENSION_RAD)
petroRad_g	1.323	arcsec	[2.3e-6/261] Petrosian radius in g band (petroRad_g) (phys.angSize;src) (EXTENSION_RAD)
petroRad_r	1.219	arcsec	[4.9e-6/260] Petrosian radius in r band (petroRad_r) (phys.angSize;src) (EXTENSION_RAD)
petroRad_i	1.123	arcsec	[2.2e-6/263] Petrosian radius in i band (petroRad_i) (phys.angSize;src) (EXTENSION_RAD)
petroRad_z	1.296	arcsec	[8.3e-7/261] Petrosian radius in z band (petroRad_z) (phys.angSize;src) (EXTENSION_RAD)
petroRadErr_u	0.068	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_u) (stat.error) (ERROR)
petroRadErr_g	0.092	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_g) (stat.error) (ERROR)
petroRadErr_r	2.918	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_r) (stat.error) (ERROR)
petroRadErr_i	0.014	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_i) (stat.error) (ERROR)
petroRadErr_z	0.034	arcsec	[-1000/257] Mean error in rPrad (petroRadErr_z) (stat.error) (ERROR)
deVRad_u	1.256	arcsec	[0/257] De Vaucouleurs fit radius u band (deVRad_u) (phys.angSize;src) (EXTENSION_RAD)
deVRad_g	0.021	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	0.026	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	0.076		[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	0.630		[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	0.851		[0.05/1] De Vaucouleurs fit b/a z band (deVAB_z) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVPhi_u	169.3	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	106.3	deg	[-10105/271] Position angle of dVrad in r band (deVPhi_r) (pos.posAng) (POS_POS-ANG)
deVPhi_i	71.5	deg	[-10105/271] Position angle of dVrad in i band (deVPhi_i) (pos.posAng) (POS_POS-ANG)
deVPhi_z	111.7	deg	[-10105/271] Position angle of dVrad in z band (deVPhi_z) (pos.posAng) (POS_POS-ANG)
flags_u	9007199388999681		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	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	402685952		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	0.008	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	-0.01	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	0.00	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	0.03	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	1237663329471693101		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	24.277	mag	⁽ⁱ⁾ [4/37.3] Model magnitude in u filter AB scale (u) (Note 7) (phot.mag;em.opt.U) (PHOT_SDSS_U)
g	20.833	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	19.292	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	17.897	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	17.129	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	0.959	mag	[8.9e-8/3444] Mean error on umag (err_u) (stat.error;phot.mag) (ERROR)
err_g	0.031	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	0.008	mag	[0/634] Mean error on imag (err_i) (stat.error;phot.mag) (ERROR)
err_z	0.012	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	-27.29	mas/yr	[-6121/5519] Proper motion along Right Ascension (pm_pmRa) (Note 11) (pos.pm;pos.eq.ra) (POS_EQ_PMRA)
pm_pmDec	-17.71	mas/yr	[-4846/4437] Proper motion along Declination (pm_pmDec) (Note 11) (pos.pm;pos.eq.dec) (POS_EQ_PMDEC)
pm_pmRaErr	4.57	mas/yr	[0/4709] Mean error on pmRA (pm_pmRaErr) (Note 11) (stat.error;pos.pm;pos.eq.ra) (ERROR)
pm_pmDecErr	4.57	mas/yr	[0/4709] Mean error on pmDE (pm_pmDecErr) (Note 11) (stat.error;pos.pm;pos.eq.dec) (ERROR)
pm_sigRa	216.82	mas	[0/8662] RMS residual of proper motion fit in RA (pm_sigRa) (Note 11) (stat.fit.residual) (FIT_RESIDUAL)
pm_sigDec	158.71	mas	[0/10625] RMS residual of proper motion fit in Dec (pm_sigDec) (Note 11) (stat.fit.residual) (FIT_RESIDUAL)
pm_nFit	4		[0/6] Number of detections used in the pm fit including SDSS (pm_nFit) (Note 11) (meta.number) (NUMBER)
pm_O	0.0		[-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	0.0		Magnitude from J plate recalibrated to SDSS g (pm_J) (Note 11) (phot.mag;em.opt.B) (PHOT_PHG_B)
pm_F	19.4		Magnitude from F plate recalibrated to SDSS r (pm_F) (Note 11) (phot.mag;em.opt.R) (PHOT_PHG_R)
pm_N	17.9		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	52912.3861	d	Date of observation in u band (field_mjd_u) (Note 13) (time.epoch) (TIME_DATE)
field_mjd_g	52912.3878	d	Date of observation in g band (field_mjd_g) (Note 13) (time.epoch) (TIME_DATE)
field_mjd_r	52912.3845	d	Date of observation in r band (field_mjd_r) (Note 13) (time.epoch) (TIME_DATE)
field_mjd_i	52912.3853	d	Date of observation in i band (field_mjd_i) (Note 13) (time.epoch) (TIME_DATE)
field_mjd_z	52912.3870	d	Date of observation in z band (field_mjd_z) (Note 13) (time.epoch) (TIME_DATE)
SDSS16	SDSS J025952.86+004631.5		⁽ⁱ⁾ SDSS-DR16 name based on J2000 position; provided by CDS (meta.id) (ID_ALTERNATIVE)
SDSS-ID	4157-301-5-0176-0302		⁽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	52912.3861	d	Mean observation date (average calculated by CDS from the uMJD, gMJD, rMJD, iMJD, zMJD) (time.epoch) (TIME_DATE)

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Simbad

*Column*	*Value*		*Explain (UCD)*
_r	0.041	arcsec	Distance from center (044.970269+00.775449)[ICRS], at Epoch of catalog (MJD) (pos.angDistance) (POS_ANG_DIST_GENERAL)
_RAJ2000	02 59 52.87198	"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 46 31.6424	"d:m:s"	Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_RAB1950	02 57 18.66026	"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 34 39.4694	"d:m:s"	Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_Glon	176.08924974	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	-48.38284016	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	1237663204933828892		⁽ⁱ⁾ SDSS unique object identifier (1) (links to online SDSS-DR16 data) (Note) (meta.id;meta.main) (ID_MAIN)
ra	044.970272	deg	⁽ⁱ⁾ Right Ascension of the object (ICRS) at Epoch="MJD" (ra) (pos.eq.ra;meta.main) (POS_EQ_RA_MAIN)
dec	+00.775438	deg	⁽ⁱ⁾ Declination of the object (ICRS) at Epoch="MJD" (dec) (pos.eq.dec;meta.main) (POS_EQ_DEC_MAIN)
fieldID	1237663204933828608		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	23.025	mag	⁽ⁱ⁾ [4/35] PSF magnitude in u band (psfMag_u) (Note 4) (phot.mag;em.opt.U) (PHOT_SDSS_U)
psfMag_g	20.911	mag	[3.7/37] PSF magnitude in g band (psfMag_g) (Note 4) (phot.mag;em.opt.B) (PHOT_SDSS_G)
psfMag_r	19.286	mag	[3.8/36] PSF magnitude in r band (psfMag_r) (Note 4) (phot.mag;em.opt.R) (PHOT_SDSS_R)
psfMag_i	17.883	mag	[2.6/34] PSF magnitude in i band (psfMag_i) (Note 4) (phot.mag;em.opt.I) (PHOT_SDSS_I)
psfMag_z	17.172	mag	[3.8/33.3] PSF magnitude in z band (psfMag_z) (Note 4) (phot.mag;em.opt.I) (PHOT_SDSS_Z)
psfMagErr_u	0.335	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	0.025	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	0.018	mag	Mean error on zpmag (psfMagErr_z) (Note 4) (stat.error;phot.mag) (ERROR)
petroMag_u	22.994	mag	[-0.4/47.2] Petrosian magnitude in u band (petroMag_u) (Note 4) (phot.mag;em.opt.U) (PHOT_SDSS_U)
petroMag_g	20.971	mag	[3.7/48] Petrosian magnitude in g band (petroMag_g) (Note 4) (phot.mag;em.opt.B) (PHOT_SDSS_G)
petroMag_r	19.372	mag	[1.3/48.6] Petrosian magnitude in r band (petroMag_r) (Note 4) (phot.mag;em.opt.R) (PHOT_SDSS_R)
petroMag_i	17.938	mag	[2.6/48.4] Petrosian magnitude in i band (petroMag_i) (Note 4) (phot.mag;em.opt.I) (PHOT_SDSS_I)
petroMag_z	17.262	mag	[-2.9/45.1] Petrosian magnitude in z band (petroMag_z) (Note 4) (phot.mag;em.opt.I) (PHOT_SDSS_Z)
petroMagErr_u	0.649	mag	[1e-7/100] Mean error in uPmag (petroMagErr_u) (Note 4) (stat.error;phot.mag) (ERROR)
petroMagErr_g	0.052	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	0.010	mag	Mean error in iPmag (petroMagErr_i) (Note 4) (stat.error;phot.mag) (ERROR)
petroMagErr_z	0.018	mag	Mean error in zPmag (petroMagErr_z) (Note 4) (stat.error;phot.mag) (ERROR)
petroRad_u	1.245	arcsec	[1.2e-6/261] Petrosian radius in u band (petroRad_u) (phys.angSize;src) (EXTENSION_RAD)
petroRad_g	1.398	arcsec	[2.3e-6/261] Petrosian radius in g band (petroRad_g) (phys.angSize;src) (EXTENSION_RAD)
petroRad_r	1.261	arcsec	[4.9e-6/260] Petrosian radius in r band (petroRad_r) (phys.angSize;src) (EXTENSION_RAD)
petroRad_i	1.143	arcsec	[2.2e-6/263] Petrosian radius in i band (petroRad_i) (phys.angSize;src) (EXTENSION_RAD)
petroRad_z	1.300	arcsec	[8.3e-7/261] Petrosian radius in z band (petroRad_z) (phys.angSize;src) (EXTENSION_RAD)
petroRadErr_u	1.129	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_u) (stat.error) (ERROR)
petroRadErr_g	0.112	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_g) (stat.error) (ERROR)
petroRadErr_r	0.034	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_r) (stat.error) (ERROR)
petroRadErr_i	0.014	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_i) (stat.error) (ERROR)
petroRadErr_z	0.032	arcsec	[-1000/257] Mean error in rPrad (petroRadErr_z) (stat.error) (ERROR)
deVRad_u	3.237	arcsec	[0/257] De Vaucouleurs fit radius u band (deVRad_u) (phys.angSize;src) (EXTENSION_RAD)
deVRad_g	0.108	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	0.000	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	0.150		[0.05/1] De Vaucouleurs fit b/a g band (deVAB_g) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_r	0.589		[0.05/1] De Vaucouleurs fit b/a r band (deVAB_r) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_i	0.511		[0.05/1] De Vaucouleurs fit b/a i band (deVAB_i) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_z	0.668		[0.05/1] De Vaucouleurs fit b/a z band (deVAB_z) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVPhi_u	27.5	deg	[-10105/271] Position angle of dVrad in u band (deVPhi_u) (pos.posAng) (POS_POS-ANG)
deVPhi_g	58.7	deg	[-10105/271] Position angle of dVrad in g band (deVPhi_g) (pos.posAng) (POS_POS-ANG)
deVPhi_r	74.5	deg	[-10105/271] Position angle of dVrad in r band (deVPhi_r) (pos.posAng) (POS_POS-ANG)
deVPhi_i	69.9	deg	[-10105/271] Position angle of dVrad in i band (deVPhi_i) (pos.posAng) (POS_POS-ANG)
deVPhi_z	110.4	deg	[-10105/271] Position angle of dVrad in z band (deVPhi_z) (pos.posAng) (POS_POS-ANG)
flags_u	142639105		Detection flags u band (flags_u) (Note 3) (meta.code) (CODE_MISC)
flags_g	275154764288		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	402686464		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	0.008	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	0.02	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	0.00	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	-0.02	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	0.00	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	1237663204933828891		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	23.078	mag	⁽ⁱ⁾ [4/37.3] Model magnitude in u filter AB scale (u) (Note 7) (phot.mag;em.opt.U) (PHOT_SDSS_U)
g	20.917	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	19.295	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	17.892	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	17.178	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	0.361	mag	[8.9e-8/3444] Mean error on umag (err_u) (stat.error;phot.mag) (ERROR)
err_g	0.032	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	0.008	mag	[0/634] Mean error on imag (err_i) (stat.error;phot.mag) (ERROR)
err_z	0.013	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	-26.89	mas/yr	[-6121/5519] Proper motion along Right Ascension (pm_pmRa) (Note 11) (pos.pm;pos.eq.ra) (POS_EQ_PMRA)
pm_pmDec	-17.55	mas/yr	[-4846/4437] Proper motion along Declination (pm_pmDec) (Note 11) (pos.pm;pos.eq.dec) (POS_EQ_PMDEC)
pm_pmRaErr	4.57	mas/yr	[0/4709] Mean error on pmRA (pm_pmRaErr) (Note 11) (stat.error;pos.pm;pos.eq.ra) (ERROR)
pm_pmDecErr	4.57	mas/yr	[0/4709] Mean error on pmDE (pm_pmDecErr) (Note 11) (stat.error;pos.pm;pos.eq.dec) (ERROR)
pm_sigRa	156.83	mas	[0/8662] RMS residual of proper motion fit in RA (pm_sigRa) (Note 11) (stat.fit.residual) (FIT_RESIDUAL)
pm_sigDec	163.78	mas	[0/10625] RMS residual of proper motion fit in Dec (pm_sigDec) (Note 11) (stat.fit.residual) (FIT_RESIDUAL)
pm_nFit	4		[0/6] Number of detections used in the pm fit including SDSS (pm_nFit) (Note 11) (meta.number) (NUMBER)
pm_O	0.0		[-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	0.0		Magnitude from J plate recalibrated to SDSS g (pm_J) (Note 11) (phot.mag;em.opt.B) (PHOT_PHG_B)
pm_F	19.4		Magnitude from F plate recalibrated to SDSS r (pm_F) (Note 11) (phot.mag;em.opt.R) (PHOT_PHG_R)
pm_N	18.0		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	52908.4065	d	Date of observation in u band (field_mjd_u) (Note 13) (time.epoch) (TIME_DATE)
field_mjd_g	52908.4081	d	Date of observation in g band (field_mjd_g) (Note 13) (time.epoch) (TIME_DATE)
field_mjd_r	52908.4048	d	Date of observation in r band (field_mjd_r) (Note 13) (time.epoch) (TIME_DATE)
field_mjd_i	52908.4057	d	Date of observation in i band (field_mjd_i) (Note 13) (time.epoch) (TIME_DATE)
field_mjd_z	52908.4073	d	Date of observation in z band (field_mjd_z) (Note 13) (time.epoch) (TIME_DATE)
SDSS16	SDSS J025952.86+004631.5		⁽ⁱ⁾ SDSS-DR16 name based on J2000 position; provided by CDS (meta.id) (ID_ALTERNATIVE)
SDSS-ID	4128-301-5-0423-0284		⁽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	52908.4065	d	Mean observation date (average calculated by CDS from the uMJD, gMJD, rMJD, iMJD, zMJD) (time.epoch) (TIME_DATE)

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Simbad

*Column*	*Value*		*Explain (UCD)*
_r	0.045	arcsec	Distance from center (044.970269+00.775449)[ICRS], at Epoch of catalog (MJD) (pos.angDistance) (POS_ANG_DIST_GENERAL)
_RAJ2000	02 59 52.86744	"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 46 31.6056	"d:m:s"	Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_RAB1950	02 57 18.56629	"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 34 38.5503	"d:m:s"	Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_Glon	176.08925067	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	-48.38282814	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	1237666542115487976		⁽ⁱ⁾ SDSS unique object identifier (1) (links to online SDSS-DR16 data) (Note) (meta.id;meta.main) (ID_MAIN)
ra	044.970281	deg	⁽ⁱ⁾ Right Ascension of the object (ICRS) at Epoch="MJD" (ra) (pos.eq.ra;meta.main) (POS_EQ_RA_MAIN)
dec	+00.775446	deg	⁽ⁱ⁾ Declination of the object (ICRS) at Epoch="MJD" (dec) (pos.eq.dec;meta.main) (POS_EQ_DEC_MAIN)
fieldID	1237666542115487744		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	68987912962		Photo Object Attribute flags (Note 3) (meta.code.error) (CODE_MISC)
psfMag_u	23.252	mag	⁽ⁱ⁾ [4/35] PSF magnitude in u band (psfMag_u) (Note 4) (phot.mag;em.opt.U) (PHOT_SDSS_U)
psfMag_g	20.852	mag	[3.7/37] PSF magnitude in g band (psfMag_g) (Note 4) (phot.mag;em.opt.B) (PHOT_SDSS_G)
psfMag_r	19.299	mag	[3.8/36] PSF magnitude in r band (psfMag_r) (Note 4) (phot.mag;em.opt.R) (PHOT_SDSS_R)
psfMag_i	17.876	mag	[2.6/34] PSF magnitude in i band (psfMag_i) (Note 4) (phot.mag;em.opt.I) (PHOT_SDSS_I)
psfMag_z	17.162	mag	[3.8/33.3] PSF magnitude in z band (psfMag_z) (Note 4) (phot.mag;em.opt.I) (PHOT_SDSS_Z)
psfMagErr_u	0.414	mag	[1.5e-5/100] Mean error on upmag (psfMagErr_u) (Note 4) (stat.error;phot.mag) (ERROR)
psfMagErr_g	0.032	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	0.018	mag	Mean error on ipmag (psfMagErr_i) (Note 4) (stat.error;phot.mag) (ERROR)
psfMagErr_z	0.020	mag	Mean error on zpmag (psfMagErr_z) (Note 4) (stat.error;phot.mag) (ERROR)
petroMag_u	21.836	mag	[-0.4/47.2] Petrosian magnitude in u band (petroMag_u) (Note 4) (phot.mag;em.opt.U) (PHOT_SDSS_U)
petroMag_g	20.849	mag	[3.7/48] Petrosian magnitude in g band (petroMag_g) (Note 4) (phot.mag;em.opt.B) (PHOT_SDSS_G)
petroMag_r	19.305	mag	[1.3/48.6] Petrosian magnitude in r band (petroMag_r) (Note 4) (phot.mag;em.opt.R) (PHOT_SDSS_R)
petroMag_i	17.932	mag	[2.6/48.4] Petrosian magnitude in i band (petroMag_i) (Note 4) (phot.mag;em.opt.I) (PHOT_SDSS_I)
petroMag_z	17.209	mag	[-2.9/45.1] Petrosian magnitude in z band (petroMag_z) (Note 4) (phot.mag;em.opt.I) (PHOT_SDSS_Z)
petroMagErr_u	0.264	mag	[1e-7/100] Mean error in uPmag (petroMagErr_u) (Note 4) (stat.error;phot.mag) (ERROR)
petroMagErr_g	0.048	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	0.012	mag	Mean error in iPmag (petroMagErr_i) (Note 4) (stat.error;phot.mag) (ERROR)
petroMagErr_z	0.021	mag	Mean error in zPmag (petroMagErr_z) (Note 4) (stat.error;phot.mag) (ERROR)
petroRad_u	11.304	arcsec	[1.2e-6/261] Petrosian radius in u band (petroRad_u) (phys.angSize;src) (EXTENSION_RAD)
petroRad_g	1.306	arcsec	[2.3e-6/261] Petrosian radius in g band (petroRad_g) (phys.angSize;src) (EXTENSION_RAD)
petroRad_r	1.256	arcsec	[4.9e-6/260] Petrosian radius in r band (petroRad_r) (phys.angSize;src) (EXTENSION_RAD)
petroRad_i	12.493	arcsec	[2.2e-6/263] Petrosian radius in i band (petroRad_i) (phys.angSize;src) (EXTENSION_RAD)
petroRad_z	1.112	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	0.100	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	1.505	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_i) (stat.error) (ERROR)
petroRadErr_z	0.023	arcsec	[-1000/257] Mean error in rPrad (petroRadErr_z) (stat.error) (ERROR)
deVRad_u	29.662	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	0.074	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	0.030	arcsec	[0/238] De Vaucouleurs fit radius z band (deVRad_z) (phys.angSize;src) (EXTENSION_RAD)
deVAB_u	0.590		[0.05/1] De Vaucouleurs fit b/a u band (deVAB_u) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_g	0.991		[0.05/1] De Vaucouleurs fit b/a g band (deVAB_g) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_r	0.793		[0.05/1] De Vaucouleurs fit b/a r band (deVAB_r) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_i	0.997		[0.05/1] De Vaucouleurs fit b/a i band (deVAB_i) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_z	0.347		[0.05/1] De Vaucouleurs fit b/a z band (deVAB_z) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVPhi_u	154.7	deg	[-10105/271] Position angle of dVrad in u band (deVPhi_u) (pos.posAng) (POS_POS-ANG)
deVPhi_g	113.9	deg	[-10105/271] Position angle of dVrad in g band (deVPhi_g) (pos.posAng) (POS_POS-ANG)
deVPhi_r	76.7	deg	[-10105/271] Position angle of dVrad in r band (deVPhi_r) (pos.posAng) (POS_POS-ANG)
deVPhi_i	69.7	deg	[-10105/271] Position angle of dVrad in i band (deVPhi_i) (pos.posAng) (POS_POS-ANG)
deVPhi_z	75.1	deg	[-10105/271] Position angle of dVrad in z band (deVPhi_z) (pos.posAng) (POS_POS-ANG)
flags_u	9007199388992769		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	4503874773745666		Detection flags r band (flags_r) (Note 3) (meta.code) (CODE_MISC)
flags_i	275297370626		Detection flags i band (flags_i) (Note 3) (meta.code) (CODE_MISC)
flags_z	275146375170		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	0.009	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	-0.04	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	0.04	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	0.00	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	0.00	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	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	22.787	mag	⁽ⁱ⁾ [4/37.3] Model magnitude in u filter AB scale (u) (Note 7) (phot.mag;em.opt.U) (PHOT_SDSS_U)
g	20.828	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	19.272	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	17.876	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	17.141	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	0.301	mag	[8.9e-8/3444] Mean error on umag (err_u) (stat.error;phot.mag) (ERROR)
err_g	0.031	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	0.008	mag	[0/634] Mean error on imag (err_i) (stat.error;phot.mag) (ERROR)
err_z	0.013	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	53298.4202	d	Date of observation in u band (field_mjd_u) (Note 13) (time.epoch) (TIME_DATE)
field_mjd_g	53298.4219	d	Date of observation in g band (field_mjd_g) (Note 13) (time.epoch) (TIME_DATE)
field_mjd_r	53298.4185	d	Date of observation in r band (field_mjd_r) (Note 13) (time.epoch) (TIME_DATE)
field_mjd_i	53298.4194	d	Date of observation in i band (field_mjd_i) (Note 13) (time.epoch) (TIME_DATE)
field_mjd_z	53298.4210	d	Date of observation in z band (field_mjd_z) (Note 13) (time.epoch) (TIME_DATE)
SDSS16	SDSS J025952.86+004631.6		⁽ⁱ⁾ SDSS-DR16 name based on J2000 position; provided by CDS (meta.id) (ID_ALTERNATIVE)
SDSS-ID	4905-301-5-0302-0232		⁽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	53298.4202	d	Mean observation date (average calculated by CDS from the uMJD, gMJD, rMJD, iMJD, zMJD) (time.epoch) (TIME_DATE)

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*Column*	*Value*		*Explain (UCD)*
_r	0.047	arcsec	Distance from center (044.970269+00.775449)[ICRS], at Epoch of catalog (MJD) (pos.angDistance) (POS_ANG_DIST_GENERAL)
_RAJ2000	02 59 52.86547	"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 46 31.6036	"d:m:s"	Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_RAB1950	02 57 18.66246	"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 34 39.4443	"d:m:s"	Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_Glon	176.08924637	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	-48.38282392	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	1237646587694416119		⁽ⁱ⁾ SDSS unique object identifier (1) (links to online SDSS-DR16 data) (Note) (meta.id;meta.main) (ID_MAIN)
ra	044.970282	deg	⁽ⁱ⁾ Right Ascension of the object (ICRS) at Epoch="MJD" (ra) (pos.eq.ra;meta.main) (POS_EQ_RA_MAIN)
dec	+00.775451	deg	⁽ⁱ⁾ Declination of the object (ICRS) at Epoch="MJD" (dec) (pos.eq.dec;meta.main) (POS_EQ_DEC_MAIN)
fieldID	1237646587694415872		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	68987912960		Photo Object Attribute flags (Note 3) (meta.code.error) (CODE_MISC)
psfMag_u	23.153	mag	⁽ⁱ⁾ [4/35] PSF magnitude in u band (psfMag_u) (Note 4) (phot.mag;em.opt.U) (PHOT_SDSS_U)
psfMag_g	20.864	mag	[3.7/37] PSF magnitude in g band (psfMag_g) (Note 4) (phot.mag;em.opt.B) (PHOT_SDSS_G)
psfMag_r	19.274	mag	[3.8/36] PSF magnitude in r band (psfMag_r) (Note 4) (phot.mag;em.opt.R) (PHOT_SDSS_R)
psfMag_i	17.886	mag	[2.6/34] PSF magnitude in i band (psfMag_i) (Note 4) (phot.mag;em.opt.I) (PHOT_SDSS_I)
psfMag_z	17.162	mag	[3.8/33.3] PSF magnitude in z band (psfMag_z) (Note 4) (phot.mag;em.opt.I) (PHOT_SDSS_Z)
psfMagErr_u	0.313	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	0.020	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	0.022	mag	Mean error on zpmag (psfMagErr_z) (Note 4) (stat.error;phot.mag) (ERROR)
petroMag_u	22.858	mag	[-0.4/47.2] Petrosian magnitude in u band (petroMag_u) (Note 4) (phot.mag;em.opt.U) (PHOT_SDSS_U)
petroMag_g	20.955	mag	[3.7/48] Petrosian magnitude in g band (petroMag_g) (Note 4) (phot.mag;em.opt.B) (PHOT_SDSS_G)
petroMag_r	19.344	mag	[1.3/48.6] Petrosian magnitude in r band (petroMag_r) (Note 4) (phot.mag;em.opt.R) (PHOT_SDSS_R)
petroMag_i	17.961	mag	[2.6/48.4] Petrosian magnitude in i band (petroMag_i) (Note 4) (phot.mag;em.opt.I) (PHOT_SDSS_I)
petroMag_z	17.210	mag	[-2.9/45.1] Petrosian magnitude in z band (petroMag_z) (Note 4) (phot.mag;em.opt.I) (PHOT_SDSS_Z)
petroMagErr_u	0.479	mag	[1e-7/100] Mean error in uPmag (petroMagErr_u) (Note 4) (stat.error;phot.mag) (ERROR)
petroMagErr_g	0.046	mag	[9.1e-9/100] Mean error in gPmag (petroMagErr_g) (Note 4) (stat.error;phot.mag) (ERROR)
petroMagErr_r	0.018	mag	Mean error in rPmag (petroMagErr_r) (Note 4) (stat.error;phot.mag) (ERROR)
petroMagErr_i	0.010	mag	Mean error in iPmag (petroMagErr_i) (Note 4) (stat.error;phot.mag) (ERROR)
petroMagErr_z	0.016	mag	Mean error in zPmag (petroMagErr_z) (Note 4) (stat.error;phot.mag) (ERROR)
petroRad_u	166.449	arcsec	[1.2e-6/261] Petrosian radius in u band (petroRad_u) (phys.angSize;src) (EXTENSION_RAD)
petroRad_g	1.083	arcsec	[2.3e-6/261] Petrosian radius in g band (petroRad_g) (phys.angSize;src) (EXTENSION_RAD)
petroRad_r	1.089	arcsec	[4.9e-6/260] Petrosian radius in r band (petroRad_r) (phys.angSize;src) (EXTENSION_RAD)
petroRad_i	19.133	arcsec	[2.2e-6/263] Petrosian radius in i band (petroRad_i) (phys.angSize;src) (EXTENSION_RAD)
petroRad_z	1.061	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	0.058	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	4.499	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_i) (stat.error) (ERROR)
petroRadErr_z	0.024	arcsec	[-1000/257] Mean error in rPrad (petroRadErr_z) (stat.error) (ERROR)
deVRad_u	13.825	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	0.031	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	0.049	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	0.570		[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	0.573		[0.05/1] De Vaucouleurs fit b/a i band (deVAB_i) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_z	0.720		[0.05/1] De Vaucouleurs fit b/a z band (deVAB_z) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVPhi_u	60.0	deg	[-10105/271] Position angle of dVrad in u band (deVPhi_u) (pos.posAng) (POS_POS-ANG)
deVPhi_g	110.4	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	105.9	deg	[-10105/271] Position angle of dVrad in i band (deVPhi_i) (pos.posAng) (POS_POS-ANG)
deVPhi_z	104.8	deg	[-10105/271] Position angle of dVrad in z band (deVPhi_z) (pos.posAng) (POS_POS-ANG)
flags_u	45035996407973121		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	4503599895838720		Detection flags r band (flags_r) (Note 3) (meta.code) (CODE_MISC)
flags_i	268468736		Detection flags i band (flags_i) (Note 3) (meta.code) (CODE_MISC)
flags_z	419463680		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	0.006	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	0.02	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	0.01	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	0.00	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	0.00	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	1237646587694416118		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	23.176	mag	⁽ⁱ⁾ [4/37.3] Model magnitude in u filter AB scale (u) (Note 7) (phot.mag;em.opt.U) (PHOT_SDSS_U)
g	20.871	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	19.275	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	17.879	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	17.157	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	0.326	mag	[8.9e-8/3444] Mean error on umag (err_u) (stat.error;phot.mag) (ERROR)
err_g	0.028	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	0.008	mag	[0/634] Mean error on imag (err_i) (stat.error;phot.mag) (ERROR)
err_z	0.012	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	-29.50	mas/yr	[-6121/5519] Proper motion along Right Ascension (pm_pmRa) (Note 11) (pos.pm;pos.eq.ra) (POS_EQ_PMRA)
pm_pmDec	-17.82	mas/yr	[-4846/4437] Proper motion along Declination (pm_pmDec) (Note 11) (pos.pm;pos.eq.dec) (POS_EQ_PMDEC)
pm_pmRaErr	5.21	mas/yr	[0/4709] Mean error on pmRA (pm_pmRaErr) (Note 11) (stat.error;pos.pm;pos.eq.ra) (ERROR)
pm_pmDecErr	5.21	mas/yr	[0/4709] Mean error on pmDE (pm_pmDecErr) (Note 11) (stat.error;pos.pm;pos.eq.dec) (ERROR)
pm_sigRa	135.07	mas	[0/8662] RMS residual of proper motion fit in RA (pm_sigRa) (Note 11) (stat.fit.residual) (FIT_RESIDUAL)
pm_sigDec	142.00	mas	[0/10625] RMS residual of proper motion fit in Dec (pm_sigDec) (Note 11) (stat.fit.residual) (FIT_RESIDUAL)
pm_nFit	4		[0/6] Number of detections used in the pm fit including SDSS (pm_nFit) (Note 11) (meta.number) (NUMBER)
pm_O	0.0		[-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	0.0		Magnitude from J plate recalibrated to SDSS g (pm_J) (Note 11) (phot.mag;em.opt.B) (PHOT_PHG_B)
pm_F	19.4		Magnitude from F plate recalibrated to SDSS r (pm_F) (Note 11) (phot.mag;em.opt.R) (PHOT_PHG_R)
pm_N	17.9		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	51134.2632	d	Date of observation in u band (field_mjd_u) (Note 13) (time.epoch) (TIME_DATE)
field_mjd_g	51134.2649	d	Date of observation in g band (field_mjd_g) (Note 13) (time.epoch) (TIME_DATE)
field_mjd_r	51134.2616	d	Date of observation in r band (field_mjd_r) (Note 13) (time.epoch) (TIME_DATE)
field_mjd_i	51134.2624	d	Date of observation in i band (field_mjd_i) (Note 13) (time.epoch) (TIME_DATE)
field_mjd_z	51134.2641	d	Date of observation in z band (field_mjd_z) (Note 13) (time.epoch) (TIME_DATE)
SDSS16	SDSS J025952.86+004631.6		⁽ⁱ⁾ SDSS-DR16 name based on J2000 position; provided by CDS (meta.id) (ID_ALTERNATIVE)
SDSS-ID	259-301-5-0256-0247		⁽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	51134.2632	d	Mean observation date (average calculated by CDS from the uMJD, gMJD, rMJD, iMJD, zMJD) (time.epoch) (TIME_DATE)

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Simbad

*Column*	*Value*		*Explain (UCD)*
_r	0.047	arcsec	Distance from center (044.970269+00.775449)[ICRS], at Epoch of catalog (MJD) (pos.angDistance) (POS_ANG_DIST_GENERAL)
_RAJ2000	02 59 52.86894	"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 46 31.6043	"d:m:s"	Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_RAB1950	02 57 18.66397	"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 34 39.4115	"d:m:s"	Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_Glon	176.08925083	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	-48.38284228	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	1237657741715177627		⁽ⁱ⁾ SDSS unique object identifier (1) (links to online SDSS-DR16 data) (Note) (meta.id;meta.main) (ID_MAIN)
ra	044.970271	deg	⁽ⁱ⁾ Right Ascension of the object (ICRS) at Epoch="MJD" (ra) (pos.eq.ra;meta.main) (POS_EQ_RA_MAIN)
dec	+00.775436	deg	⁽ⁱ⁾ Declination of the object (ICRS) at Epoch="MJD" (dec) (pos.eq.dec;meta.main) (POS_EQ_DEC_MAIN)
fieldID	1237657741715177472		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	68987912448		Photo Object Attribute flags (Note 3) (meta.code.error) (CODE_MISC)
psfMag_u	25.157	mag	⁽ⁱ⁾ [4/35] PSF magnitude in u band (psfMag_u) (Note 4) (phot.mag;em.opt.U) (PHOT_SDSS_U)
psfMag_g	20.795	mag	[3.7/37] PSF magnitude in g band (psfMag_g) (Note 4) (phot.mag;em.opt.B) (PHOT_SDSS_G)
psfMag_r	19.252	mag	[3.8/36] PSF magnitude in r band (psfMag_r) (Note 4) (phot.mag;em.opt.R) (PHOT_SDSS_R)
psfMag_i	17.919	mag	[2.6/34] PSF magnitude in i band (psfMag_i) (Note 4) (phot.mag;em.opt.I) (PHOT_SDSS_I)
psfMag_z	17.142	mag	[3.8/33.3] PSF magnitude in z band (psfMag_z) (Note 4) (phot.mag;em.opt.I) (PHOT_SDSS_Z)
psfMagErr_u	1.499	mag	[1.5e-5/100] Mean error on upmag (psfMagErr_u) (Note 4) (stat.error;phot.mag) (ERROR)
psfMagErr_g	0.043	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	0.027	mag	Mean error on ipmag (psfMagErr_i) (Note 4) (stat.error;phot.mag) (ERROR)
psfMagErr_z	0.026	mag	Mean error on zpmag (psfMagErr_z) (Note 4) (stat.error;phot.mag) (ERROR)
petroMag_u	22.649	mag	[-0.4/47.2] Petrosian magnitude in u band (petroMag_u) (Note 4) (phot.mag;em.opt.U) (PHOT_SDSS_U)
petroMag_g	20.790	mag	[3.7/48] Petrosian magnitude in g band (petroMag_g) (Note 4) (phot.mag;em.opt.B) (PHOT_SDSS_G)
petroMag_r	19.297	mag	[1.3/48.6] Petrosian magnitude in r band (petroMag_r) (Note 4) (phot.mag;em.opt.R) (PHOT_SDSS_R)
petroMag_i	17.926	mag	[2.6/48.4] Petrosian magnitude in i band (petroMag_i) (Note 4) (phot.mag;em.opt.I) (PHOT_SDSS_I)
petroMag_z	17.178	mag	[-2.9/45.1] Petrosian magnitude in z band (petroMag_z) (Note 4) (phot.mag;em.opt.I) (PHOT_SDSS_Z)
petroMagErr_u	1.033	mag	[1e-7/100] Mean error in uPmag (petroMagErr_u) (Note 4) (stat.error;phot.mag) (ERROR)
petroMagErr_g	0.093	mag	[9.1e-9/100] Mean error in gPmag (petroMagErr_g) (Note 4) (stat.error;phot.mag) (ERROR)
petroMagErr_r	0.034	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	0.035	mag	Mean error in zPmag (petroMagErr_z) (Note 4) (stat.error;phot.mag) (ERROR)
petroRad_u	7.360	arcsec	[1.2e-6/261] Petrosian radius in u band (petroRad_u) (phys.angSize;src) (EXTENSION_RAD)
petroRad_g	2.478	arcsec	[2.3e-6/261] Petrosian radius in g band (petroRad_g) (phys.angSize;src) (EXTENSION_RAD)
petroRad_r	2.549	arcsec	[4.9e-6/260] Petrosian radius in r band (petroRad_r) (phys.angSize;src) (EXTENSION_RAD)
petroRad_i	2.387	arcsec	[2.2e-6/263] Petrosian radius in i band (petroRad_i) (phys.angSize;src) (EXTENSION_RAD)
petroRad_z	2.314	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	0.436	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_g) (stat.error) (ERROR)
petroRadErr_r	0.126	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	0.088	arcsec	[-1000/257] Mean error in rPrad (petroRadErr_z) (stat.error) (ERROR)
deVRad_u	0.027	arcsec	[0/257] De Vaucouleurs fit radius u band (deVRad_u) (phys.angSize;src) (EXTENSION_RAD)
deVRad_g	0.003	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	0.092	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	0.278		[0.05/1] De Vaucouleurs fit b/a u band (deVAB_u) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_g	0.073		[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	0.250		[0.05/1] De Vaucouleurs fit b/a i band (deVAB_i) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_z	0.672		[0.05/1] De Vaucouleurs fit b/a z band (deVAB_z) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVPhi_u	120.5	deg	[-10105/271] Position angle of dVrad in u band (deVPhi_u) (pos.posAng) (POS_POS-ANG)
deVPhi_g	56.3	deg	[-10105/271] Position angle of dVrad in g band (deVPhi_g) (pos.posAng) (POS_POS-ANG)
deVPhi_r	129.7	deg	[-10105/271] Position angle of dVrad in r band (deVPhi_r) (pos.posAng) (POS_POS-ANG)
deVPhi_i	19.7	deg	[-10105/271] Position angle of dVrad in i band (deVPhi_i) (pos.posAng) (POS_POS-ANG)
deVPhi_z	39.3	deg	[-10105/271] Position angle of dVrad in z band (deVPhi_z) (pos.posAng) (POS_POS-ANG)
flags_u	9007199388992769		Detection flags u band (flags_u) (Note 3) (meta.code) (CODE_MISC)
flags_g	276856832		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	0.021	arcsec	[0/51703] Mean error on RAdeg (raErr) (stat.error;pos.eq.ra) (ERROR)
decErr	0.021	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	-0.12	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	0.06	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	-0.13	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	25.811	mag	⁽ⁱ⁾ [4/37.3] Model magnitude in u filter AB scale (u) (Note 7) (phot.mag;em.opt.U) (PHOT_SDSS_U)
g	20.819	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	19.260	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	17.918	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	17.149	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	0.998	mag	[8.9e-8/3444] Mean error on umag (err_u) (stat.error;phot.mag) (ERROR)
err_g	0.044	mag	[3.8e-8/5955] Mean error on gmag (err_g) (stat.error;phot.mag) (ERROR)
err_r	0.019	mag	[5.2e-8/915] Mean error on rmag (err_r) (stat.error;phot.mag) (ERROR)
err_i	0.010	mag	[0/634] Mean error on imag (err_i) (stat.error;phot.mag) (ERROR)
err_z	0.017	mag	[9.4e-8/3529] Mean error on zmag (err_z) (stat.error;phot.mag) (ERROR)
resolveStatus	2049		[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	-28.91	mas/yr	[-6121/5519] Proper motion along Right Ascension (pm_pmRa) (Note 11) (pos.pm;pos.eq.ra) (POS_EQ_PMRA)
pm_pmDec	-17.15	mas/yr	[-4846/4437] Proper motion along Declination (pm_pmDec) (Note 11) (pos.pm;pos.eq.dec) (POS_EQ_PMDEC)
pm_pmRaErr	4.81	mas/yr	[0/4709] Mean error on pmRA (pm_pmRaErr) (Note 11) (stat.error;pos.pm;pos.eq.ra) (ERROR)
pm_pmDecErr	4.81	mas/yr	[0/4709] Mean error on pmDE (pm_pmDecErr) (Note 11) (stat.error;pos.pm;pos.eq.dec) (ERROR)
pm_sigRa	167.77	mas	[0/8662] RMS residual of proper motion fit in RA (pm_sigRa) (Note 11) (stat.fit.residual) (FIT_RESIDUAL)
pm_sigDec	150.58	mas	[0/10625] RMS residual of proper motion fit in Dec (pm_sigDec) (Note 11) (stat.fit.residual) (FIT_RESIDUAL)
pm_nFit	4		[0/6] Number of detections used in the pm fit including SDSS (pm_nFit) (Note 11) (meta.number) (NUMBER)
pm_O	0.0		[-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	0.0		Magnitude from J plate recalibrated to SDSS g (pm_J) (Note 11) (phot.mag;em.opt.B) (PHOT_PHG_B)
pm_F	19.4		Magnitude from F plate recalibrated to SDSS r (pm_F) (Note 11) (phot.mag;em.opt.R) (PHOT_PHG_R)
pm_N	17.9		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	52282.1937	d	Date of observation in u band (field_mjd_u) (Note 13) (time.epoch) (TIME_DATE)
field_mjd_g	52282.1954	d	Date of observation in g band (field_mjd_g) (Note 13) (time.epoch) (TIME_DATE)
field_mjd_r	52282.1920	d	Date of observation in r band (field_mjd_r) (Note 13) (time.epoch) (TIME_DATE)
field_mjd_i	52282.1929	d	Date of observation in i band (field_mjd_i) (Note 13) (time.epoch) (TIME_DATE)
field_mjd_z	52282.1945	d	Date of observation in z band (field_mjd_z) (Note 13) (time.epoch) (TIME_DATE)
SDSS16	SDSS J025952.86+004631.5		⁽ⁱ⁾ SDSS-DR16 name based on J2000 position; provided by CDS (meta.id) (ID_ALTERNATIVE)
SDSS-ID	2856-301-5-0114-0155		⁽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	52282.1937	d	Mean observation date (average calculated by CDS from the uMJD, gMJD, rMJD, iMJD, zMJD) (time.epoch) (TIME_DATE)

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Simbad

*Column*	*Value*		*Explain (UCD)*
_r	0.048	arcsec	Distance from center (044.970269+00.775449)[ICRS], at Epoch of catalog (MJD) (pos.angDistance) (POS_ANG_DIST_GENERAL)
_RAJ2000	02 59 52.86744	"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 46 31.5948	"d:m:s"	Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_RAB1950	02 57 18.56630	"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 34 38.5395	"d:m:s"	Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_Glon	176.08925389	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	-48.38283024	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	1237663329471693101		⁽ⁱ⁾ SDSS unique object identifier (1) (links to online SDSS-DR16 data) (Note) (meta.id;meta.main) (ID_MAIN)
ra	044.970281	deg	⁽ⁱ⁾ Right Ascension of the object (ICRS) at Epoch="MJD" (ra) (pos.eq.ra;meta.main) (POS_EQ_RA_MAIN)
dec	+00.775443	deg	⁽ⁱ⁾ Declination of the object (ICRS) at Epoch="MJD" (dec) (pos.eq.dec;meta.main) (POS_EQ_DEC_MAIN)
fieldID	1237663329471692800		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	24.028	mag	⁽ⁱ⁾ [4/35] PSF magnitude in u band (psfMag_u) (Note 4) (phot.mag;em.opt.U) (PHOT_SDSS_U)
psfMag_g	20.847	mag	[3.7/37] PSF magnitude in g band (psfMag_g) (Note 4) (phot.mag;em.opt.B) (PHOT_SDSS_G)
psfMag_r	19.284	mag	[3.8/36] PSF magnitude in r band (psfMag_r) (Note 4) (phot.mag;em.opt.R) (PHOT_SDSS_R)
psfMag_i	17.905	mag	[2.6/34] PSF magnitude in i band (psfMag_i) (Note 4) (phot.mag;em.opt.I) (PHOT_SDSS_I)
psfMag_z	17.121	mag	[3.8/33.3] PSF magnitude in z band (psfMag_z) (Note 4) (phot.mag;em.opt.I) (PHOT_SDSS_Z)
psfMagErr_u	0.851	mag	[1.5e-5/100] Mean error on upmag (psfMagErr_u) (Note 4) (stat.error;phot.mag) (ERROR)
psfMagErr_g	0.031	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	0.013	mag	Mean error on ipmag (psfMagErr_i) (Note 4) (stat.error;phot.mag) (ERROR)
psfMagErr_z	0.020	mag	Mean error on zpmag (psfMagErr_z) (Note 4) (stat.error;phot.mag) (ERROR)
petroMag_u	23.276	mag	[-0.4/47.2] Petrosian magnitude in u band (petroMag_u) (Note 4) (phot.mag;em.opt.U) (PHOT_SDSS_U)
petroMag_g	20.835	mag	[3.7/48] Petrosian magnitude in g band (petroMag_g) (Note 4) (phot.mag;em.opt.B) (PHOT_SDSS_G)
petroMag_r	19.341	mag	[1.3/48.6] Petrosian magnitude in r band (petroMag_r) (Note 4) (phot.mag;em.opt.R) (PHOT_SDSS_R)
petroMag_i	17.930	mag	[2.6/48.4] Petrosian magnitude in i band (petroMag_i) (Note 4) (phot.mag;em.opt.I) (PHOT_SDSS_I)
petroMag_z	17.154	mag	[-2.9/45.1] Petrosian magnitude in z band (petroMag_z) (Note 4) (phot.mag;em.opt.I) (PHOT_SDSS_Z)
petroMagErr_u	0.956	mag	[1e-7/100] Mean error in uPmag (petroMagErr_u) (Note 4) (stat.error;phot.mag) (ERROR)
petroMagErr_g	0.049	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	0.010	mag	Mean error in iPmag (petroMagErr_i) (Note 4) (stat.error;phot.mag) (ERROR)
petroMagErr_z	0.016	mag	Mean error in zPmag (petroMagErr_z) (Note 4) (stat.error;phot.mag) (ERROR)
petroRad_u	0.363	arcsec	[1.2e-6/261] Petrosian radius in u band (petroRad_u) (phys.angSize;src) (EXTENSION_RAD)
petroRad_g	1.352	arcsec	[2.3e-6/261] Petrosian radius in g band (petroRad_g) (phys.angSize;src) (EXTENSION_RAD)
petroRad_r	1.211	arcsec	[4.9e-6/260] Petrosian radius in r band (petroRad_r) (phys.angSize;src) (EXTENSION_RAD)
petroRad_i	1.129	arcsec	[2.2e-6/263] Petrosian radius in i band (petroRad_i) (phys.angSize;src) (EXTENSION_RAD)
petroRad_z	1.311	arcsec	[8.3e-7/261] Petrosian radius in z band (petroRad_z) (phys.angSize;src) (EXTENSION_RAD)
petroRadErr_u	0.097	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_u) (stat.error) (ERROR)
petroRadErr_g	0.139	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_g) (stat.error) (ERROR)
petroRadErr_r	0.028	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_r) (stat.error) (ERROR)
petroRadErr_i	0.014	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_i) (stat.error) (ERROR)
petroRadErr_z	0.033	arcsec	[-1000/257] Mean error in rPrad (petroRadErr_z) (stat.error) (ERROR)
deVRad_u	29.649	arcsec	[0/257] De Vaucouleurs fit radius u band (deVRad_u) (phys.angSize;src) (EXTENSION_RAD)
deVRad_g	0.001	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	0.005	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	0.509		[0.05/1] De Vaucouleurs fit b/a g band (deVAB_g) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_r	0.630		[0.05/1] De Vaucouleurs fit b/a r band (deVAB_r) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_i	0.510		[0.05/1] De Vaucouleurs fit b/a i band (deVAB_i) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_z	0.923		[0.05/1] De Vaucouleurs fit b/a z band (deVAB_z) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVPhi_u	116.5	deg	[-10105/271] Position angle of dVrad in u band (deVPhi_u) (pos.posAng) (POS_POS-ANG)
deVPhi_g	112.0	deg	[-10105/271] Position angle of dVrad in g band (deVPhi_g) (pos.posAng) (POS_POS-ANG)
deVPhi_r	106.1	deg	[-10105/271] Position angle of dVrad in r band (deVPhi_r) (pos.posAng) (POS_POS-ANG)
deVPhi_i	106.5	deg	[-10105/271] Position angle of dVrad in i band (deVPhi_i) (pos.posAng) (POS_POS-ANG)
deVPhi_z	111.5	deg	[-10105/271] Position angle of dVrad in z band (deVPhi_z) (pos.posAng) (POS_POS-ANG)
flags_u	9007199388999681		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	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	275146375170		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	0.008	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	0.03	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	0.00	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	-0.02	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	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	23.802	mag	⁽ⁱ⁾ [4/37.3] Model magnitude in u filter AB scale (u) (Note 7) (phot.mag;em.opt.U) (PHOT_SDSS_U)
g	20.828	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	19.293	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	17.894	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	17.123	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	0.781	mag	[8.9e-8/3444] Mean error on umag (err_u) (stat.error;phot.mag) (ERROR)
err_g	0.032	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	0.008	mag	[0/634] Mean error on imag (err_i) (stat.error;phot.mag) (ERROR)
err_z	0.012	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	52912.3861	d	Date of observation in u band (field_mjd_u) (Note 13) (time.epoch) (TIME_DATE)
field_mjd_g	52912.3878	d	Date of observation in g band (field_mjd_g) (Note 13) (time.epoch) (TIME_DATE)
field_mjd_r	52912.3845	d	Date of observation in r band (field_mjd_r) (Note 13) (time.epoch) (TIME_DATE)
field_mjd_i	52912.3853	d	Date of observation in i band (field_mjd_i) (Note 13) (time.epoch) (TIME_DATE)
field_mjd_z	52912.3870	d	Date of observation in z band (field_mjd_z) (Note 13) (time.epoch) (TIME_DATE)
SDSS16	SDSS J025952.86+004631.5		⁽ⁱ⁾ SDSS-DR16 name based on J2000 position; provided by CDS (meta.id) (ID_ALTERNATIVE)
SDSS-ID	4157-301-5-0176-0301		⁽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	52912.3861	d	Mean observation date (average calculated by CDS from the uMJD, gMJD, rMJD, iMJD, zMJD) (time.epoch) (TIME_DATE)

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Simbad

*Column*	*Value*		*Explain (UCD)*
_r	0.050	arcsec	Distance from center (044.970269+00.775449)[ICRS], at Epoch of catalog (MJD) (pos.angDistance) (POS_ANG_DIST_GENERAL)
_RAJ2000	02 59 52.86120	"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 46 31.6164	"d:m:s"	Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_RAB1950	02 57 18.56005	"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 34 38.5608	"d:m:s"	Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC)
_Glon	176.08921998	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	-48.38284455	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	1237666301627007257		⁽ⁱ⁾ SDSS unique object identifier (1) (links to online SDSS-DR16 data) (Note) (meta.id;meta.main) (ID_MAIN)
ra	044.970255	deg	⁽ⁱ⁾ Right Ascension of the object (ICRS) at Epoch="MJD" (ra) (pos.eq.ra;meta.main) (POS_EQ_RA_MAIN)
dec	+00.775449	deg	⁽ⁱ⁾ Declination of the object (ICRS) at Epoch="MJD" (dec) (pos.eq.dec;meta.main) (POS_EQ_DEC_MAIN)
fieldID	1237666301627006976		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	68987912962		Photo Object Attribute flags (Note 3) (meta.code.error) (CODE_MISC)
psfMag_u	24.481	mag	⁽ⁱ⁾ [4/35] PSF magnitude in u band (psfMag_u) (Note 4) (phot.mag;em.opt.U) (PHOT_SDSS_U)
psfMag_g	20.808	mag	[3.7/37] PSF magnitude in g band (psfMag_g) (Note 4) (phot.mag;em.opt.B) (PHOT_SDSS_G)
psfMag_r	19.307	mag	[3.8/36] PSF magnitude in r band (psfMag_r) (Note 4) (phot.mag;em.opt.R) (PHOT_SDSS_R)
psfMag_i	17.895	mag	[2.6/34] PSF magnitude in i band (psfMag_i) (Note 4) (phot.mag;em.opt.I) (PHOT_SDSS_I)
psfMag_z	17.132	mag	[3.8/33.3] PSF magnitude in z band (psfMag_z) (Note 4) (phot.mag;em.opt.I) (PHOT_SDSS_Z)
psfMagErr_u	0.695	mag	[1.5e-5/100] Mean error on upmag (psfMagErr_u) (Note 4) (stat.error;phot.mag) (ERROR)
psfMagErr_g	0.026	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	0.015	mag	Mean error on ipmag (psfMagErr_i) (Note 4) (stat.error;phot.mag) (ERROR)
psfMagErr_z	0.017	mag	Mean error on zpmag (psfMagErr_z) (Note 4) (stat.error;phot.mag) (ERROR)
petroMag_u	23.669	mag	[-0.4/47.2] Petrosian magnitude in u band (petroMag_u) (Note 4) (phot.mag;em.opt.U) (PHOT_SDSS_U)
petroMag_g	20.819	mag	[3.7/48] Petrosian magnitude in g band (petroMag_g) (Note 4) (phot.mag;em.opt.B) (PHOT_SDSS_G)
petroMag_r	19.329	mag	[1.3/48.6] Petrosian magnitude in r band (petroMag_r) (Note 4) (phot.mag;em.opt.R) (PHOT_SDSS_R)
petroMag_i	17.931	mag	[2.6/48.4] Petrosian magnitude in i band (petroMag_i) (Note 4) (phot.mag;em.opt.I) (PHOT_SDSS_I)
petroMag_z	17.184	mag	[-2.9/45.1] Petrosian magnitude in z band (petroMag_z) (Note 4) (phot.mag;em.opt.I) (PHOT_SDSS_Z)
petroMagErr_u	0.934	mag	[1e-7/100] Mean error in uPmag (petroMagErr_u) (Note 4) (stat.error;phot.mag) (ERROR)
petroMagErr_g	0.040	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	0.009	mag	Mean error in iPmag (petroMagErr_i) (Note 4) (stat.error;phot.mag) (ERROR)
petroMagErr_z	0.014	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	1.164	arcsec	[2.3e-6/261] Petrosian radius in g band (petroRad_g) (phys.angSize;src) (EXTENSION_RAD)
petroRad_r	1.155	arcsec	[4.9e-6/260] Petrosian radius in r band (petroRad_r) (phys.angSize;src) (EXTENSION_RAD)
petroRad_i	11.765	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	-1000.000	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_u) (stat.error) (ERROR)
petroRadErr_g	0.057	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_g) (stat.error) (ERROR)
petroRadErr_r	0.020	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_r) (stat.error) (ERROR)
petroRadErr_i	1.361	arcsec	[-1000/259] Mean error in rPrad (petroRadErr_i) (stat.error) (ERROR)
petroRadErr_z	0.015	arcsec	[-1000/257] Mean error in rPrad (petroRadErr_z) (stat.error) (ERROR)
deVRad_u	29.130	arcsec	[0/257] De Vaucouleurs fit radius u band (deVRad_u) (phys.angSize;src) (EXTENSION_RAD)
deVRad_g	0.057	arcsec	[0/238] De Vaucouleurs fit radius g band (deVRad_g) (phys.angSize;src) (EXTENSION_RAD)
deVRad_r	0.063	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	0.022	arcsec	[0/238] De Vaucouleurs fit radius z band (deVRad_z) (phys.angSize;src) (EXTENSION_RAD)
deVAB_u	0.200		[0.05/1] De Vaucouleurs fit b/a u band (deVAB_u) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_g	0.150		[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	0.891		[0.05/1] De Vaucouleurs fit b/a i band (deVAB_i) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVAB_z	0.937		[0.05/1] De Vaucouleurs fit b/a z band (deVAB_z) (phys.size.axisRatio) (PHYS_AXIS-RATIO)
deVPhi_u	30.2	deg	[-10105/271] Position angle of dVrad in u band (deVPhi_u) (pos.posAng) (POS_POS-ANG)
deVPhi_g	44.7	deg	[-10105/271] Position angle of dVrad in g band (deVPhi_g) (pos.posAng) (POS_POS-ANG)
deVPhi_r	71.3	deg	[-10105/271] Position angle of dVrad in r band (deVPhi_r) (pos.posAng) (POS_POS-ANG)
deVPhi_i	74.4	deg	[-10105/271] Position angle of dVrad in i band (deVPhi_i) (pos.posAng) (POS_POS-ANG)
deVPhi_z	110.4	deg	[-10105/271] Position angle of dVrad in z band (deVPhi_z) (pos.posAng) (POS_POS-ANG)
flags_u	9007199389000961		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	4503874773745666		Detection flags r band (flags_r) (Note 3) (meta.code) (CODE_MISC)
flags_i	275146375682		Detection flags i band (flags_i) (Note 3) (meta.code) (CODE_MISC)
flags_z	275146375170		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	0.006	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	0.01	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	-0.02	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	-0.01	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	24.000	mag	⁽ⁱ⁾ [4/37.3] Model magnitude in u filter AB scale (u) (Note 7) (phot.mag;em.opt.U) (PHOT_SDSS_U)
g	20.783	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	19.277	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	17.884	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	17.113	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	0.634	mag	[8.9e-8/3444] Mean error on umag (err_u) (stat.error;phot.mag) (ERROR)
err_g	0.028	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	0.008	mag	[0/634] Mean error on imag (err_i) (stat.error;phot.mag) (ERROR)
err_z	0.011	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) (