VizieR

CfA VizieR . ADAC VizieR . Cambridge (UK) VizieR . IUCAA VizieR . INASAN VizieR .

VizieR

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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=036.890775 -01.156296, eq=ICRS, rs=2
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Note:

ColumnValue  Explain   (UCD)
_r0.000 arcsec Distance from center (036.890775-01.156296)[ICRS], at Epoch of catalog (MJD) (pos.angDistance)
_RAJ200002 27 33.78600 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000-01 09 22.6656 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195002 25 00.91771 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950-01 22 47.6159 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon/0.0168.55328439 deg Galactic longitude at Epoch=J0, proper motions taken into account (pos.galactic.lon)
_Glat/0.0-55.27372299 deg Galactic latitude at Epoch=J0, proper motions taken into account (pos.galactic.lat)

objID1237660239234203782  (i) SDSS unique object identifier (1) (links to online SDSS-DR16 data) (Note)   (meta.id;meta.main)
ra036.890775 deg (i) Right Ascension of the object (ICRS) at Epoch="MJD" (ra) (pos.eq.ra;meta.main)
dec-01.156296 deg (i) Declination of the object (ICRS) at Epoch="MJD" (dec) (pos.eq.dec;meta.main)
fieldID1237660239234203648  The field this object is in (meta.note)
mode4   [1/4] PhotoMode (1=primary, 2=secondary, 3=family, 4=outside) (meta.code.class)
type6   [0/8] Type of object (3=galaxy, 6=star) (type) (Note 2)   (src.class)
clean0   [0/1] Clean photometry flag (1=clean; 0=unclean) (meta.code)
flags 316728371450132  Photo Object Attribute flags (Note 3)   (meta.code.error)
psfMag_u24.404 mag (i) [4/35] PSF magnitude in u band (psfMag_u) (Note 4)   (phot.mag;em.opt.U)
psfMag_g23.893 mag [3.7/37] PSF magnitude in g band (psfMag_g) (Note 4)   (phot.mag;em.opt.B)
psfMag_r22.254 mag [3.8/36] PSF magnitude in r band (psfMag_r) (Note 4)   (phot.mag;em.opt.R)
psfMag_i22.072 mag [2.6/34] PSF magnitude in i band (psfMag_i) (Note 4)   (phot.mag;em.opt.I)
psfMag_z21.957 mag [3.8/33.3] PSF magnitude in z band (psfMag_z) (Note 4)   (phot.mag;em.opt.I)
psfMagErr_u 1.026 mag [1.5e-5/100] Mean error on upmag (psfMagErr_u) (Note 4)   (stat.error;phot.mag)
psfMagErr_g 0.686 mag Mean error on gpmag (psfMagErr_g) (Note 4)   (stat.error;phot.mag)
psfMagErr_r 0.237 mag Mean error on rpmag (psfMagErr_r) (Note 4)   (stat.error;phot.mag)
psfMagErr_i 0.343 mag Mean error on ipmag (psfMagErr_i) (Note 4)   (stat.error;phot.mag)
psfMagErr_z 0.622 mag Mean error on zpmag (psfMagErr_z) (Note 4)   (stat.error;phot.mag)
petroMag_u24.595 mag [-0.4/47.2] Petrosian magnitude in u band (petroMag_u) (Note 4)   (phot.mag;em.opt.U)
petroMag_g24.209 mag [3.7/48] Petrosian magnitude in g band (petroMag_g) (Note 4)   (phot.mag;em.opt.B)
petroMag_r22.499 mag [1.3/48.6] Petrosian magnitude in r band (petroMag_r) (Note 4)   (phot.mag;em.opt.R)
petroMag_i22.370 mag [2.6/48.4] Petrosian magnitude in i band (petroMag_i) (Note 4)   (phot.mag;em.opt.I)
petroMag_z22.078 mag [-2.9/45.1] Petrosian magnitude in z band (petroMag_z) (Note 4)   (phot.mag;em.opt.I)
petroMagErr_u 2.203 mag [1e-7/100] Mean error in uPmag (petroMagErr_u) (Note 4)   (stat.error;phot.mag)
petroMagErr_g 1.519 mag [9.1e-9/100] Mean error in gPmag (petroMagErr_g) (Note 4)   (stat.error;phot.mag)
petroMagErr_r 0.530 mag Mean error in rPmag (petroMagErr_r) (Note 4)   (stat.error;phot.mag)
petroMagErr_i 0.806 mag Mean error in iPmag (petroMagErr_i) (Note 4)   (stat.error;phot.mag)
petroMagErr_z 1.393 mag Mean error in zPmag (petroMagErr_z) (Note 4)   (stat.error;phot.mag)
petroRad_u 2.970 arcsec [1.2e-6/261] Petrosian radius in u band (petroRad_u) (phys.angSize;src)
petroRad_g 2.971 arcsec [2.3e-6/261] Petrosian radius in g band (petroRad_g) (phys.angSize;src)
petroRad_r 1.161 arcsec [4.9e-6/260] Petrosian radius in r band (petroRad_r) (phys.angSize;src)
petroRad_i 1.087 arcsec [2.2e-6/263] Petrosian radius in i band (petroRad_i) (phys.angSize;src)
petroRad_z 1.108 arcsec [8.3e-7/261] Petrosian radius in z band (petroRad_z) (phys.angSize;src)
petroRadErr_u-1000.000 arcsec [-1000/259] Mean error in rPrad (petroRadErr_u) (stat.error)
petroRadErr_g-1000.000 arcsec [-1000/259] Mean error in rPrad (petroRadErr_g) (stat.error)
petroRadErr_r 0.247 arcsec [-1000/259] Mean error in rPrad (petroRadErr_r) (stat.error)
petroRadErr_i 0.241 arcsec [-1000/259] Mean error in rPrad (petroRadErr_i) (stat.error)
petroRadErr_z 1.012 arcsec [-1000/257] Mean error in rPrad (petroRadErr_z) (stat.error)
deVRad_u 0.075 arcsec [0/257] De Vaucouleurs fit radius u band (deVRad_u) (phys.angSize;src)
deVRad_g 0.001 arcsec [0/238] De Vaucouleurs fit radius g band (deVRad_g) (phys.angSize;src)
deVRad_r 0.000 arcsec [0/238] De Vaucouleurs fit radius r band (deVRad_r) (phys.angSize;src)
deVRad_i 0.017 arcsec [0/232] De Vaucouleurs fit radius i band (deVRad_i) (phys.angSize;src)
deVRad_z 0.430 arcsec [0/238] De Vaucouleurs fit radius z band (deVRad_z) (phys.angSize;src)
deVAB_u 0.050   [0.05/1] De Vaucouleurs fit b/a u band (deVAB_u) (phys.size.axisRatio)
deVAB_g 0.198   [0.05/1] De Vaucouleurs fit b/a g band (deVAB_g) (phys.size.axisRatio)
deVAB_r 0.388   [0.05/1] De Vaucouleurs fit b/a r band (deVAB_r) (phys.size.axisRatio)
deVAB_i 0.201   [0.05/1] De Vaucouleurs fit b/a i band (deVAB_i) (phys.size.axisRatio)
deVAB_z 0.665   [0.05/1] De Vaucouleurs fit b/a z band (deVAB_z) (phys.size.axisRatio)
deVPhi_u 13.4 deg [-10105/271] Position angle of dVrad in u band (deVPhi_u) (pos.posAng)
deVPhi_g 52.5 deg [-10105/271] Position angle of dVrad in g band (deVPhi_g) (pos.posAng)
deVPhi_r 93.2 deg [-10105/271] Position angle of dVrad in r band (deVPhi_r) (pos.posAng)
deVPhi_i 162.9 deg [-10105/271] Position angle of dVrad in i band (deVPhi_i) (pos.posAng)
deVPhi_z 59.1 deg [-10105/271] Position angle of dVrad in z band (deVPhi_z) (pos.posAng)
flags_u 9007199431069969  Detection flags u band (flags_u) (Note 3)   (meta.code)
flags_g 42111249  Detection flags g band (flags_g) (Note 3)   (meta.code)
flags_r 4503599930441744  Detection flags r band (flags_r) (Note 3)   (meta.code)
flags_i 319815700  Detection flags i band (flags_i) (Note 3)   (meta.code)
flags_z 33722385  Detection flags z band (flags_z) (Note 3)   (meta.code)
type_u6   [0/8] Phototype in u band (6=Star ; 3=galaxy) (type_u) (Note 2)   (src.class.starGalaxy)
type_g6   [0/8] Phototype in i band (6=Star ; 3=galaxy) (type_g) (Note 2)   (src.class.starGalaxy)
type_r6   [0/8] Phototype in r band (6=Star ; 3=galaxy) (type_r) (Note 2)   (src.class.starGalaxy)
type_i6   [0/8] Phototype in i band (6=Star ; 3=galaxy) (type_i) (Note 2)   (src.class.starGalaxy)
type_z6   [0/8] Phototype in z band (6=Star ; 3=galaxy) (type_z) (Note 2)   (src.class.starGalaxy)
probPSF_u 1.0   [0/1] 0=notStar 1=Star in u band (probPSF_u) (src.class.starGalaxy)
probPSF_g 1.0   [0/1] 0=notStar 1=Star in g band (probPSF_g) (src.class.starGalaxy)
probPSF_r 1.0   [0/1] 0=notStar 1=Star in r band (probPSF_r) (src.class.starGalaxy)
probPSF_i 1.0   [0/1] 0=notStar 1=Star in i band (probPSF_i) (src.class.starGalaxy)
probPSF_z 1.0   [0/1] 0=notStar 1=Star in z band (probPSF_z) (src.class.starGalaxy)
raErr 0.101 arcsec [0/51703] Mean error on RAdeg (raErr) (stat.error;pos.eq.ra)
decErr 0.101 arcsec [0/22795] Mean error on DEdeg (decErr) (stat.error;pos.eq.dec)
offsetRa_u 0.20 arcsec Offset of u position along RA (offsetRa_u) (pos.angDistance)
offsetRa_g 0.21 arcsec Offset of g position along RA (offsetRa_g) (pos.angDistance)
offsetRa_r 0.00 arcsec Offset of r position along RA (offsetRa_r) (pos.angDistance)
offsetRa_i 0.09 arcsec Offset of i position along RA (offsetRa_i) (pos.angDistance)
offsetRa_z 0.20 arcsec Offset of z position along RA (offsetRa_z) (pos.angDistance)
offsetDec_u 0.13 arcsec Offset of u position along Dec (offsetDec_u) (pos.angDistance)
offsetDec_g 0.16 arcsec Offset of g position along Dec (offsetDec_g) (pos.angDistance)
offsetDec_r 0.00 arcsec Offset of r position along Dec (offsetDec_r) (pos.angDistance)
offsetDec_i 0.05 arcsec Offset of i position along Dec (offsetDec_i) (pos.angDistance)
offsetDec_z 0.13 arcsec Offset of z position along Dec (offsetDec_z) (pos.angDistance)
parentID1237660239234203734  Pointer to parent (if object deblended) (meta.id.parent)
specObjID0  Pointer to the spectrum of object or 0 (specObjID) (Note 6)   (meta.id)
u24.420 mag (i) [4/37.3] Model magnitude in u filter AB scale (u) (Note 7)   (phot.mag;em.opt.U)
g23.903 mag (i) [3.7/39.6] Model magnitude in g filter AB scale (g) (Note 7)   (phot.mag;em.opt.B)
r22.265 mag (i) [3.8/40.4] Model magnitude in r filter AB scale (r) (Note 7)   (phot.mag;em.opt.R)
i22.084 mag (i) [2.6/39.5] Model magnitude in i filter AB scale (i) (Note 7)   (phot.mag;em.opt.I)
z21.971 mag (i) [3.5/37.2] Model magnitude in z filter AB scale (z) (Note 7)   (phot.mag;em.opt.I)
err_u 1.032 mag [8.9e-8/3444] Mean error on umag (err_u) (stat.error;phot.mag)
err_g 0.523 mag [3.8e-8/5955] Mean error on gmag (err_g) (stat.error;phot.mag)
err_r 0.179 mag [5.2e-8/915] Mean error on rmag (err_r) (stat.error;phot.mag)
err_i 0.226 mag [0/634] Mean error on imag (err_i) (stat.error;phot.mag)
err_z 0.587 mag [9.4e-8/3529] Mean error on zmag (err_z) (stat.error;phot.mag)
resolveStatus2049   [0/4145] Decimal status (resolveStatus) (Note 5)   (meta.code)
spec_instrument    Spectral instrument used ("SDSS" or "BOSS") (spec_instrument) (Note 6)   (meta.id;instr)
spec_sourceType    Source type (spec_sourceType) (6) (Note 8)   (src.class)
spec_z   (i) [-0.012/7.06] Spectroscopic final redshift (when SpObjID>0) (spec_z) (Note 6)   (src.redshift)
spec_zErr    [-6/30689] Mean error on zsp (negative for bad fit) (spec_zErr) (Note 6)   (stat.error)
spec_zWarning    [0/902] Zwarning flag (spec_zWarning) (6) (Note 9)   (meta.code)
spec_class    Spectroscopic class: "GALAXY"; "QSO"; "STAR" (spec_class) (Note 6)   (meta.code.class;pos.parallax.spect)
spec_subClass    Spectroscopic subclass (spec_subClass) (6) (Note 10)   (src.class)
spec_velDisp  km/s [0/850] Velocity dispersion (spec_velDisp) (Note 6)   (phys.veloc.dispersion)
spec_velDispErr  km/s [-7/4526] Mean error on Vdisp (spec_velDispErr) (Note 6)   (stat.error)
spec_snMedian    [-1927/132] Median signal-to-noise over all good pixels (spec_snMedian) (Note 6)   (em.wl.central;stat.median)
pm_match    [0/4] Number of USNO-B objects matched within 1arcsec (pm_match) (Note 11)   (meta.number)
pm_pmRa  mas/yr [-6121/5519] Proper motion along Right Ascension (pm_pmRa) (Note 11)   (pos.pm;pos.eq.ra)
pm_pmDec  mas/yr [-4846/4437] Proper motion along Declination (pm_pmDec) (Note 11)   (pos.pm;pos.eq.dec)
pm_pmRaErr  mas/yr [0/4709] Mean error on pmRA (pm_pmRaErr) (Note 11)   (stat.error;pos.pm;pos.eq.ra)
pm_pmDecErr  mas/yr [0/4709] Mean error on pmDE (pm_pmDecErr) (Note 11)   (stat.error;pos.pm;pos.eq.dec)
pm_sigRa  mas [0/8662] RMS residual of proper motion fit in RA (pm_sigRa) (Note 11)   (stat.fit.residual)
pm_sigDec  mas [0/10625] RMS residual of proper motion fit in Dec (pm_sigDec) (Note 11)   (stat.fit.residual)
pm_nFit    [0/6] Number of detections used in the pm fit including SDSS (pm_nFit) (Note 11)   (meta.number)
pm_O    [-214740/70189] Magnitude from USNO-B O plate recalibrated to SDSS g (pm_O) (Note 11)   (phot.mag;em.opt.B)
pm_E    Magnitude from E plate recalibrated to SDSS r (pm_E) (Note 11)   (phot.mag;em.opt.R)
pm_J    Magnitude from J plate recalibrated to SDSS g (pm_J) (Note 11)   (phot.mag;em.opt.B)
pm_F    Magnitude from F plate recalibrated to SDSS r (pm_F) (Note 11)   (phot.mag;em.opt.R)
pm_N    Magnitude from N plate recalibrated to SDSS i (pm_N) (Note 11)   (phot.mag;em.opt.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)
photoz_zErr    [0.003/0.3] Estimated error of the photometric redshift (photoz_zErr) (Note 12)   (stat.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)
photoz_chisq    [2e-12/6.3e7] Chi-square value for the minimum chi-square template fit (photoz_chisq) (Note 12)   (stat.value)
field_quality1   [1/3] Quality of the observation: 1=bad; 2=barely acceptable; 3=good (field_quality) (Note 13)   (meta.code.qual;obs.param;obs)
field_mjd_u52578.2927 d Date of observation in u band (field_mjd_u) (Note 13)   (time.epoch)
field_mjd_g52578.2943 d Date of observation in g band (field_mjd_g) (Note 13)   (time.epoch)
field_mjd_r52578.2910 d Date of observation in r band (field_mjd_r) (Note 13)   (time.epoch)
field_mjd_i52578.2918 d Date of observation in i band (field_mjd_i) (Note 13)   (time.epoch)
field_mjd_z52578.2935 d Date of observation in z band (field_mjd_z) (Note 13)   (time.epoch)
SDSS16SDSS J022733.78-010922.6  (i) SDSS-DR16 name based on J2000 position; provided by CDS (meta.id)
SDSS-ID3438-301-1-0046-0134  (i) SDSS object identifier (run-rerun-camcol-field-object) (Note 1)   (meta.id)
Sp-ID   (i) Spectroscopic Plate-MJD-Fiber identifier (plate-mjd-fiberID) (meta.id)
MJD52578.2927 d Mean observation date (average calculated by CDS from the uMJD, gMJD, rMJD, iMJD, zMJD) (time.epoch)
ColumnValue  Explain   (UCD)
_r0.100 arcsec Distance from center (036.890775-01.156296)[ICRS], at Epoch of catalog (MJD) (pos.angDistance)
_RAJ200002 27 33.78264 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000-01 09 22.7520 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195002 25 00.91437 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950-01 22 47.7024 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon/0.0168.55329224 deg Galactic longitude at Epoch=J0, proper motions taken into account (pos.galactic.lon)
_Glat/0.0-55.27375041 deg Galactic latitude at Epoch=J0, proper motions taken into account (pos.galactic.lat)

objID1237678890673242190  (i) SDSS unique object identifier (1) (links to online SDSS-DR16 data) (Note)   (meta.id;meta.main)
ra036.890761 deg (i) Right Ascension of the object (ICRS) at Epoch="MJD" (ra) (pos.eq.ra;meta.main)
dec-01.156320 deg (i) Declination of the object (ICRS) at Epoch="MJD" (dec) (pos.eq.dec;meta.main)
fieldID1237678890673242112  The field this object is in (meta.note)
mode4   [1/4] PhotoMode (1=primary, 2=secondary, 3=family, 4=outside) (meta.code.class)
type6   [0/8] Type of object (3=galaxy, 6=star) (type) (Note 2)   (src.class)
clean0   [0/1] Clean photometry flag (1=clean; 0=unclean) (meta.code)
flags 105622139441428  Photo Object Attribute flags (Note 3)   (meta.code.error)
psfMag_u24.895 mag (i) [4/35] PSF magnitude in u band (psfMag_u) (Note 4)   (phot.mag;em.opt.U)
psfMag_g22.564 mag [3.7/37] PSF magnitude in g band (psfMag_g) (Note 4)   (phot.mag;em.opt.B)
psfMag_r22.082 mag [3.8/36] PSF magnitude in r band (psfMag_r) (Note 4)   (phot.mag;em.opt.R)
psfMag_i21.539 mag [2.6/34] PSF magnitude in i band (psfMag_i) (Note 4)   (phot.mag;em.opt.I)
psfMag_z22.827 mag [3.8/33.3] PSF magnitude in z band (psfMag_z) (Note 4)   (phot.mag;em.opt.I)
psfMagErr_u 1.537 mag [1.5e-5/100] Mean error on upmag (psfMagErr_u) (Note 4)   (stat.error;phot.mag)
psfMagErr_g 0.193 mag Mean error on gpmag (psfMagErr_g) (Note 4)   (stat.error;phot.mag)
psfMagErr_r 0.201 mag Mean error on rpmag (psfMagErr_r) (Note 4)   (stat.error;phot.mag)
psfMagErr_i 0.186 mag Mean error on ipmag (psfMagErr_i) (Note 4)   (stat.error;phot.mag)
psfMagErr_z 1.082 mag Mean error on zpmag (psfMagErr_z) (Note 4)   (stat.error;phot.mag)
petroMag_u25.559 mag [-0.4/47.2] Petrosian magnitude in u band (petroMag_u) (Note 4)   (phot.mag;em.opt.U)
petroMag_g22.857 mag [3.7/48] Petrosian magnitude in g band (petroMag_g) (Note 4)   (phot.mag;em.opt.B)
petroMag_r22.184 mag [1.3/48.6] Petrosian magnitude in r band (petroMag_r) (Note 4)   (phot.mag;em.opt.R)
petroMag_i21.602 mag [2.6/48.4] Petrosian magnitude in i band (petroMag_i) (Note 4)   (phot.mag;em.opt.I)
petroMag_z22.827 mag [-2.9/45.1] Petrosian magnitude in z band (petroMag_z) (Note 4)   (phot.mag;em.opt.I)
petroMagErr_u 2.124 mag [1e-7/100] Mean error in uPmag (petroMagErr_u) (Note 4)   (stat.error;phot.mag)
petroMagErr_g 0.443 mag [9.1e-9/100] Mean error in gPmag (petroMagErr_g) (Note 4)   (stat.error;phot.mag)
petroMagErr_r 0.449 mag Mean error in rPmag (petroMagErr_r) (Note 4)   (stat.error;phot.mag)
petroMagErr_i 0.397 mag Mean error in iPmag (petroMagErr_i) (Note 4)   (stat.error;phot.mag)
petroMagErr_z 2.054 mag Mean error in zPmag (petroMagErr_z) (Note 4)   (stat.error;phot.mag)
petroRad_u 2.970 arcsec [1.2e-6/261] Petrosian radius in u band (petroRad_u) (phys.angSize;src)
petroRad_g 1.097 arcsec [2.3e-6/261] Petrosian radius in g band (petroRad_g) (phys.angSize;src)
petroRad_r 1.122 arcsec [4.9e-6/260] Petrosian radius in r band (petroRad_r) (phys.angSize;src)
petroRad_i 1.182 arcsec [2.2e-6/263] Petrosian radius in i band (petroRad_i) (phys.angSize;src)
petroRad_z 2.970 arcsec [8.3e-7/261] Petrosian radius in z band (petroRad_z) (phys.angSize;src)
petroRadErr_u-1000.000 arcsec [-1000/259] Mean error in rPrad (petroRadErr_u) (stat.error)
petroRadErr_g 0.194 arcsec [-1000/259] Mean error in rPrad (petroRadErr_g) (stat.error)
petroRadErr_r 0.202 arcsec [-1000/259] Mean error in rPrad (petroRadErr_r) (stat.error)
petroRadErr_i 0.193 arcsec [-1000/259] Mean error in rPrad (petroRadErr_i) (stat.error)
petroRadErr_z-1000.000 arcsec [-1000/257] Mean error in rPrad (petroRadErr_z) (stat.error)
deVRad_u 0.043 arcsec [0/257] De Vaucouleurs fit radius u band (deVRad_u) (phys.angSize;src)
deVRad_g 0.000 arcsec [0/238] De Vaucouleurs fit radius g band (deVRad_g) (phys.angSize;src)
deVRad_r 0.094 arcsec [0/238] De Vaucouleurs fit radius r band (deVRad_r) (phys.angSize;src)
deVRad_i 0.190 arcsec [0/232] De Vaucouleurs fit radius i band (deVRad_i) (phys.angSize;src)
deVRad_z 0.040 arcsec [0/238] De Vaucouleurs fit radius z band (deVRad_z) (phys.angSize;src)
deVAB_u 0.582   [0.05/1] De Vaucouleurs fit b/a u band (deVAB_u) (phys.size.axisRatio)
deVAB_g 0.316   [0.05/1] De Vaucouleurs fit b/a g band (deVAB_g) (phys.size.axisRatio)
deVAB_r 0.267   [0.05/1] De Vaucouleurs fit b/a r band (deVAB_r) (phys.size.axisRatio)
deVAB_i 0.097   [0.05/1] De Vaucouleurs fit b/a i band (deVAB_i) (phys.size.axisRatio)
deVAB_z 0.050   [0.05/1] De Vaucouleurs fit b/a z band (deVAB_z) (phys.size.axisRatio)
deVPhi_u 162.9 deg [-10105/271] Position angle of dVrad in u band (deVPhi_u) (pos.posAng)
deVPhi_g 83.7 deg [-10105/271] Position angle of dVrad in g band (deVPhi_g) (pos.posAng)
deVPhi_r 9.0 deg [-10105/271] Position angle of dVrad in r band (deVPhi_r) (pos.posAng)
deVPhi_i 7.2 deg [-10105/271] Position angle of dVrad in i band (deVPhi_i) (pos.posAng)
deVPhi_z 105.6 deg [-10105/271] Position angle of dVrad in z band (deVPhi_z) (pos.posAng)
flags_u 9007199431069969  Detection flags u band (flags_u) (Note 3)   (meta.code)
flags_g 303595540  Detection flags g band (flags_g) (Note 3)   (meta.code)
flags_r 4573968675143701  Detection flags r band (flags_r) (Note 3)   (meta.code)
flags_i 320339988  Detection flags i band (flags_i) (Note 3)   (meta.code)
flags_z 9007199431069973  Detection flags z band (flags_z) (Note 3)   (meta.code)
type_u3   [0/8] Phototype in u band (6=Star ; 3=galaxy) (type_u) (Note 2)   (src.class.starGalaxy)
type_g6   [0/8] Phototype in i band (6=Star ; 3=galaxy) (type_g) (Note 2)   (src.class.starGalaxy)
type_r6   [0/8] Phototype in r band (6=Star ; 3=galaxy) (type_r) (Note 2)   (src.class.starGalaxy)
type_i6   [0/8] Phototype in i band (6=Star ; 3=galaxy) (type_i) (Note 2)   (src.class.starGalaxy)
type_z6   [0/8] Phototype in z band (6=Star ; 3=galaxy) (type_z) (Note 2)   (src.class.starGalaxy)
probPSF_u 0.0   [0/1] 0=notStar 1=Star in u band (probPSF_u) (src.class.starGalaxy)
probPSF_g 1.0   [0/1] 0=notStar 1=Star in g band (probPSF_g) (src.class.starGalaxy)
probPSF_r 1.0   [0/1] 0=notStar 1=Star in r band (probPSF_r) (src.class.starGalaxy)
probPSF_i 1.0   [0/1] 0=notStar 1=Star in i band (probPSF_i) (src.class.starGalaxy)
probPSF_z 1.0   [0/1] 0=notStar 1=Star in z band (probPSF_z) (src.class.starGalaxy)
raErr 0.076 arcsec [0/51703] Mean error on RAdeg (raErr) (stat.error;pos.eq.ra)
decErr 0.088 arcsec [0/22795] Mean error on DEdeg (decErr) (stat.error;pos.eq.dec)
offsetRa_u 0.20 arcsec Offset of u position along RA (offsetRa_u) (pos.angDistance)
offsetRa_g -0.11 arcsec Offset of g position along RA (offsetRa_g) (pos.angDistance)
offsetRa_r 0.00 arcsec Offset of r position along RA (offsetRa_r) (pos.angDistance)
offsetRa_i -0.01 arcsec Offset of i position along RA (offsetRa_i) (pos.angDistance)
offsetRa_z 0.21 arcsec Offset of z position along RA (offsetRa_z) (pos.angDistance)
offsetDec_u 0.27 arcsec Offset of u position along Dec (offsetDec_u) (pos.angDistance)
offsetDec_g 0.07 arcsec Offset of g position along Dec (offsetDec_g) (pos.angDistance)
offsetDec_r 0.00 arcsec Offset of r position along Dec (offsetDec_r) (pos.angDistance)
offsetDec_i -0.18 arcsec Offset of i position along Dec (offsetDec_i) (pos.angDistance)
offsetDec_z 0.27 arcsec Offset of z position along Dec (offsetDec_z) (pos.angDistance)
parentID1237678890673242155  Pointer to parent (if object deblended) (meta.id.parent)
specObjID0  Pointer to the spectrum of object or 0 (specObjID) (Note 6)   (meta.id)
u24.936 mag (i) [4/37.3] Model magnitude in u filter AB scale (u) (Note 7)   (phot.mag;em.opt.U)
g22.568 mag (i) [3.7/39.6] Model magnitude in g filter AB scale (g) (Note 7)   (phot.mag;em.opt.B)
r22.057 mag (i) [3.8/40.4] Model magnitude in r filter AB scale (r) (Note 7)   (phot.mag;em.opt.R)
i21.500 mag (i) [2.6/39.5] Model magnitude in i filter AB scale (i) (Note 7)   (phot.mag;em.opt.I)
z22.827 mag (i) [3.5/37.2] Model magnitude in z filter AB scale (z) (Note 7)   (phot.mag;em.opt.I)
err_u 0.992 mag [8.9e-8/3444] Mean error on umag (err_u) (stat.error;phot.mag)
err_g 0.149 mag [3.8e-8/5955] Mean error on gmag (err_g) (stat.error;phot.mag)
err_r 0.145 mag [5.2e-8/915] Mean error on rmag (err_r) (stat.error;phot.mag)
err_i 0.136 mag [0/634] Mean error on imag (err_i) (stat.error;phot.mag)
err_z 0.809 mag [9.4e-8/3529] Mean error on zmag (err_z) (stat.error;phot.mag)
resolveStatus2049   [0/4145] Decimal status (resolveStatus) (Note 5)   (meta.code)
spec_instrument    Spectral instrument used ("SDSS" or "BOSS") (spec_instrument) (Note 6)   (meta.id;instr)
spec_sourceType    Source type (spec_sourceType) (6) (Note 8)   (src.class)
spec_z   (i) [-0.012/7.06] Spectroscopic final redshift (when SpObjID>0) (spec_z) (Note 6)   (src.redshift)
spec_zErr    [-6/30689] Mean error on zsp (negative for bad fit) (spec_zErr) (Note 6)   (stat.error)
spec_zWarning    [0/902] Zwarning flag (spec_zWarning) (6) (Note 9)   (meta.code)
spec_class    Spectroscopic class: "GALAXY"; "QSO"; "STAR" (spec_class) (Note 6)   (meta.code.class;pos.parallax.spect)
spec_subClass    Spectroscopic subclass (spec_subClass) (6) (Note 10)   (src.class)
spec_velDisp  km/s [0/850] Velocity dispersion (spec_velDisp) (Note 6)   (phys.veloc.dispersion)
spec_velDispErr  km/s [-7/4526] Mean error on Vdisp (spec_velDispErr) (Note 6)   (stat.error)
spec_snMedian    [-1927/132] Median signal-to-noise over all good pixels (spec_snMedian) (Note 6)   (em.wl.central;stat.median)
pm_match    [0/4] Number of USNO-B objects matched within 1arcsec (pm_match) (Note 11)   (meta.number)
pm_pmRa  mas/yr [-6121/5519] Proper motion along Right Ascension (pm_pmRa) (Note 11)   (pos.pm;pos.eq.ra)
pm_pmDec  mas/yr [-4846/4437] Proper motion along Declination (pm_pmDec) (Note 11)   (pos.pm;pos.eq.dec)
pm_pmRaErr  mas/yr [0/4709] Mean error on pmRA (pm_pmRaErr) (Note 11)   (stat.error;pos.pm;pos.eq.ra)
pm_pmDecErr  mas/yr [0/4709] Mean error on pmDE (pm_pmDecErr) (Note 11)   (stat.error;pos.pm;pos.eq.dec)
pm_sigRa  mas [0/8662] RMS residual of proper motion fit in RA (pm_sigRa) (Note 11)   (stat.fit.residual)
pm_sigDec  mas [0/10625] RMS residual of proper motion fit in Dec (pm_sigDec) (Note 11)   (stat.fit.residual)
pm_nFit    [0/6] Number of detections used in the pm fit including SDSS (pm_nFit) (Note 11)   (meta.number)
pm_O    [-214740/70189] Magnitude from USNO-B O plate recalibrated to SDSS g (pm_O) (Note 11)   (phot.mag;em.opt.B)
pm_E    Magnitude from E plate recalibrated to SDSS r (pm_E) (Note 11)   (phot.mag;em.opt.R)
pm_J    Magnitude from J plate recalibrated to SDSS g (pm_J) (Note 11)   (phot.mag;em.opt.B)
pm_F    Magnitude from F plate recalibrated to SDSS r (pm_F) (Note 11)   (phot.mag;em.opt.R)
pm_N    Magnitude from N plate recalibrated to SDSS i (pm_N) (Note 11)   (phot.mag;em.opt.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)
photoz_zErr    [0.003/0.3] Estimated error of the photometric redshift (photoz_zErr) (Note 12)   (stat.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)
photoz_chisq    [2e-12/6.3e7] Chi-square value for the minimum chi-square template fit (photoz_chisq) (Note 12)   (stat.value)
field_quality1   [1/3] Quality of the observation: 1=bad; 2=barely acceptable; 3=good (field_quality) (Note 13)   (meta.code.qual;obs.param;obs)
field_mjd_u54770.3532 d Date of observation in u band (field_mjd_u) (Note 13)   (time.epoch)
field_mjd_g54770.3548 d Date of observation in g band (field_mjd_g) (Note 13)   (time.epoch)
field_mjd_r54770.3515 d Date of observation in r band (field_mjd_r) (Note 13)   (time.epoch)
field_mjd_i54770.3523 d Date of observation in i band (field_mjd_i) (Note 13)   (time.epoch)
field_mjd_z54770.3540 d Date of observation in z band (field_mjd_z) (Note 13)   (time.epoch)
SDSS16SDSS J022733.78-010922.7  (i) SDSS-DR16 name based on J2000 position; provided by CDS (meta.id)
SDSS-ID7780-301-6-0148-0078  (i) SDSS object identifier (run-rerun-camcol-field-object) (Note 1)   (meta.id)
Sp-ID   (i) Spectroscopic Plate-MJD-Fiber identifier (plate-mjd-fiberID) (meta.id)
MJD54770.3532 d Mean observation date (average calculated by CDS from the uMJD, gMJD, rMJD, iMJD, zMJD) (time.epoch)
ColumnValue  Explain   (UCD)
_r0.105 arcsec Distance from center (036.890775-01.156296)[ICRS], at Epoch of catalog (MJD) (pos.angDistance)
_RAJ200002 27 33.78168 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000-01 09 22.7484 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195002 25 00.91341 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950-01 22 47.6988 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon/0.0168.55328571 deg Galactic longitude at Epoch=J0, proper motions taken into account (pos.galactic.lon)
_Glat/0.0-55.27375218 deg Galactic latitude at Epoch=J0, proper motions taken into account (pos.galactic.lat)

objID1237660204878790707  (i) SDSS unique object identifier (1) (links to online SDSS-DR16 data) (Note)   (meta.id;meta.main)
ra036.890757 deg (i) Right Ascension of the object (ICRS) at Epoch="MJD" (ra) (pos.eq.ra;meta.main)
dec-01.156319 deg (i) Declination of the object (ICRS) at Epoch="MJD" (dec) (pos.eq.dec;meta.main)
fieldID1237660204878790656  The field this object is in (meta.note)
mode4   [1/4] PhotoMode (1=primary, 2=secondary, 3=family, 4=outside) (meta.code.class)
type6   [0/8] Type of object (3=galaxy, 6=star) (type) (Note 2)   (src.class)
clean0   [0/1] Clean photometry flag (1=clean; 0=unclean) (meta.code)
flags 387097116414228  Photo Object Attribute flags (Note 3)   (meta.code.error)
psfMag_u24.909 mag (i) [4/35] PSF magnitude in u band (psfMag_u) (Note 4)   (phot.mag;em.opt.U)
psfMag_g23.735 mag [3.7/37] PSF magnitude in g band (psfMag_g) (Note 4)   (phot.mag;em.opt.B)
psfMag_r22.483 mag [3.8/36] PSF magnitude in r band (psfMag_r) (Note 4)   (phot.mag;em.opt.R)
psfMag_i21.938 mag [2.6/34] PSF magnitude in i band (psfMag_i) (Note 4)   (phot.mag;em.opt.I)
psfMag_z22.827 mag [3.8/33.3] PSF magnitude in z band (psfMag_z) (Note 4)   (phot.mag;em.opt.I)
psfMagErr_u 1.186 mag [1.5e-5/100] Mean error on upmag (psfMagErr_u) (Note 4)   (stat.error;phot.mag)
psfMagErr_g 0.634 mag Mean error on gpmag (psfMagErr_g) (Note 4)   (stat.error;phot.mag)
psfMagErr_r 0.298 mag Mean error on rpmag (psfMagErr_r) (Note 4)   (stat.error;phot.mag)
psfMagErr_i 0.263 mag Mean error on ipmag (psfMagErr_i) (Note 4)   (stat.error;phot.mag)
psfMagErr_z 1.122 mag Mean error on zpmag (psfMagErr_z) (Note 4)   (stat.error;phot.mag)
petroMag_u25.107 mag [-0.4/47.2] Petrosian magnitude in u band (petroMag_u) (Note 4)   (phot.mag;em.opt.U)
petroMag_g24.105 mag [3.7/48] Petrosian magnitude in g band (petroMag_g) (Note 4)   (phot.mag;em.opt.B)
petroMag_r22.730 mag [1.3/48.6] Petrosian magnitude in r band (petroMag_r) (Note 4)   (phot.mag;em.opt.R)
petroMag_i22.254 mag [2.6/48.4] Petrosian magnitude in i band (petroMag_i) (Note 4)   (phot.mag;em.opt.I)
petroMag_z22.827 mag [-2.9/45.1] Petrosian magnitude in z band (petroMag_z) (Note 4)   (phot.mag;em.opt.I)
petroMagErr_u 1.578 mag [1e-7/100] Mean error in uPmag (petroMagErr_u) (Note 4)   (stat.error;phot.mag)
petroMagErr_g 1.419 mag [9.1e-9/100] Mean error in gPmag (petroMagErr_g) (Note 4)   (stat.error;phot.mag)
petroMagErr_r 0.627 mag Mean error in rPmag (petroMagErr_r) (Note 4)   (stat.error;phot.mag)
petroMagErr_i 0.556 mag Mean error in iPmag (petroMagErr_i) (Note 4)   (stat.error;phot.mag)
petroMagErr_z 1.873 mag Mean error in zPmag (petroMagErr_z) (Note 4)   (stat.error;phot.mag)
petroRad_u 2.970 arcsec [1.2e-6/261] Petrosian radius in u band (petroRad_u) (phys.angSize;src)
petroRad_g 2.971 arcsec [2.3e-6/261] Petrosian radius in g band (petroRad_g) (phys.angSize;src)
petroRad_r 1.011 arcsec [4.9e-6/260] Petrosian radius in r band (petroRad_r) (phys.angSize;src)
petroRad_i 1.013 arcsec [2.2e-6/263] Petrosian radius in i band (petroRad_i) (phys.angSize;src)
petroRad_z 2.971 arcsec [8.3e-7/261] Petrosian radius in z band (petroRad_z) (phys.angSize;src)
petroRadErr_u-1000.000 arcsec [-1000/259] Mean error in rPrad (petroRadErr_u) (stat.error)
petroRadErr_g-1000.000 arcsec [-1000/259] Mean error in rPrad (petroRadErr_g) (stat.error)
petroRadErr_r 0.219 arcsec [-1000/259] Mean error in rPrad (petroRadErr_r) (stat.error)
petroRadErr_i 0.192 arcsec [-1000/259] Mean error in rPrad (petroRadErr_i) (stat.error)
petroRadErr_z-1000.000 arcsec [-1000/257] Mean error in rPrad (petroRadErr_z) (stat.error)
deVRad_u 0.070 arcsec [0/257] De Vaucouleurs fit radius u band (deVRad_u) (phys.angSize;src)
deVRad_g 0.002 arcsec [0/238] De Vaucouleurs fit radius g band (deVRad_g) (phys.angSize;src)
deVRad_r 0.013 arcsec [0/238] De Vaucouleurs fit radius r band (deVRad_r) (phys.angSize;src)
deVRad_i 0.000 arcsec [0/232] De Vaucouleurs fit radius i band (deVRad_i) (phys.angSize;src)
deVRad_z 0.002 arcsec [0/238] De Vaucouleurs fit radius z band (deVRad_z) (phys.angSize;src)
deVAB_u 0.994   [0.05/1] De Vaucouleurs fit b/a u band (deVAB_u) (phys.size.axisRatio)
deVAB_g 0.198   [0.05/1] De Vaucouleurs fit b/a g band (deVAB_g) (phys.size.axisRatio)
deVAB_r 0.314   [0.05/1] De Vaucouleurs fit b/a r band (deVAB_r) (phys.size.axisRatio)
deVAB_i 0.348   [0.05/1] De Vaucouleurs fit b/a i band (deVAB_i) (phys.size.axisRatio)
deVAB_z 0.050   [0.05/1] De Vaucouleurs fit b/a z band (deVAB_z) (phys.size.axisRatio)
deVPhi_u 124.3 deg [-10105/271] Position angle of dVrad in u band (deVPhi_u) (pos.posAng)
deVPhi_g 43.6 deg [-10105/271] Position angle of dVrad in g band (deVPhi_g) (pos.posAng)
deVPhi_r 42.0 deg [-10105/271] Position angle of dVrad in r band (deVPhi_r) (pos.posAng)
deVPhi_i 42.8 deg [-10105/271] Position angle of dVrad in i band (deVPhi_i) (pos.posAng)
deVPhi_z 69.2 deg [-10105/271] Position angle of dVrad in z band (deVPhi_z) (pos.posAng)
flags_u 9007199397515541  Detection flags u band (flags_u) (Note 3)   (meta.code)
flags_g 43421969  Detection flags g band (flags_g) (Note 3)   (meta.code)
flags_r 4503599930572816  Detection flags r band (flags_r) (Note 3)   (meta.code)
flags_i 70369047773205  Detection flags i band (flags_i) (Note 3)   (meta.code)
flags_z 9007199431069969  Detection flags z band (flags_z) (Note 3)   (meta.code)
type_u3   [0/8] Phototype in u band (6=Star ; 3=galaxy) (type_u) (Note 2)   (src.class.starGalaxy)
type_g6   [0/8] Phototype in i band (6=Star ; 3=galaxy) (type_g) (Note 2)   (src.class.starGalaxy)
type_r6   [0/8] Phototype in r band (6=Star ; 3=galaxy) (type_r) (Note 2)   (src.class.starGalaxy)
type_i6   [0/8] Phototype in i band (6=Star ; 3=galaxy) (type_i) (Note 2)   (src.class.starGalaxy)
type_z3   [0/8] Phototype in z band (6=Star ; 3=galaxy) (type_z) (Note 2)   (src.class.starGalaxy)
probPSF_u 0.0   [0/1] 0=notStar 1=Star in u band (probPSF_u) (src.class.starGalaxy)
probPSF_g 1.0   [0/1] 0=notStar 1=Star in g band (probPSF_g) (src.class.starGalaxy)
probPSF_r 1.0   [0/1] 0=notStar 1=Star in r band (probPSF_r) (src.class.starGalaxy)
probPSF_i 1.0   [0/1] 0=notStar 1=Star in i band (probPSF_i) (src.class.starGalaxy)
probPSF_z 0.0   [0/1] 0=notStar 1=Star in z band (probPSF_z) (src.class.starGalaxy)
raErr 0.122 arcsec [0/51703] Mean error on RAdeg (raErr) (stat.error;pos.eq.ra)
decErr 0.116 arcsec [0/22795] Mean error on DEdeg (decErr) (stat.error;pos.eq.dec)
offsetRa_u 0.10 arcsec Offset of u position along RA (offsetRa_u) (pos.angDistance)
offsetRa_g 0.11 arcsec Offset of g position along RA (offsetRa_g) (pos.angDistance)
offsetRa_r 0.00 arcsec Offset of r position along RA (offsetRa_r) (pos.angDistance)
offsetRa_i 0.06 arcsec Offset of i position along RA (offsetRa_i) (pos.angDistance)
offsetRa_z 0.10 arcsec Offset of z position along RA (offsetRa_z) (pos.angDistance)
offsetDec_u 0.10 arcsec Offset of u position along Dec (offsetDec_u) (pos.angDistance)
offsetDec_g 0.13 arcsec Offset of g position along Dec (offsetDec_g) (pos.angDistance)
offsetDec_r 0.00 arcsec Offset of r position along Dec (offsetDec_r) (pos.angDistance)
offsetDec_i 0.04 arcsec Offset of i position along Dec (offsetDec_i) (pos.angDistance)
offsetDec_z 0.11 arcsec Offset of z position along Dec (offsetDec_z) (pos.angDistance)
parentID1237660204878790663  Pointer to parent (if object deblended) (meta.id.parent)
specObjID0  Pointer to the spectrum of object or 0 (specObjID) (Note 6)   (meta.id)
u24.911 mag (i) [4/37.3] Model magnitude in u filter AB scale (u) (Note 7)   (phot.mag;em.opt.U)
g23.739 mag (i) [3.7/39.6] Model magnitude in g filter AB scale (g) (Note 7)   (phot.mag;em.opt.B)
r22.487 mag (i) [3.8/40.4] Model magnitude in r filter AB scale (r) (Note 7)   (phot.mag;em.opt.R)
i21.946 mag (i) [2.6/39.5] Model magnitude in i filter AB scale (i) (Note 7)   (phot.mag;em.opt.I)
z22.827 mag (i) [3.5/37.2] Model magnitude in z filter AB scale (z) (Note 7)   (phot.mag;em.opt.I)
err_u 0.970 mag [8.9e-8/3444] Mean error on umag (err_u) (stat.error;phot.mag)
err_g 0.496 mag [3.8e-8/5955] Mean error on gmag (err_g) (stat.error;phot.mag)
err_r 0.215 mag [5.2e-8/915] Mean error on rmag (err_r) (stat.error;phot.mag)
err_i 0.207 mag [0/634] Mean error on imag (err_i) (stat.error;phot.mag)
err_z 0.758 mag [9.4e-8/3529] Mean error on zmag (err_z) (stat.error;phot.mag)
resolveStatus2049   [0/4145] Decimal status (resolveStatus) (Note 5)   (meta.code)
spec_instrument    Spectral instrument used ("SDSS" or "BOSS") (spec_instrument) (Note 6)   (meta.id;instr)
spec_sourceType    Source type (spec_sourceType) (6) (Note 8)   (src.class)
spec_z   (i) [-0.012/7.06] Spectroscopic final redshift (when SpObjID>0) (spec_z) (Note 6)   (src.redshift)
spec_zErr    [-6/30689] Mean error on zsp (negative for bad fit) (spec_zErr) (Note 6)   (stat.error)
spec_zWarning    [0/902] Zwarning flag (spec_zWarning) (6) (Note 9)   (meta.code)
spec_class    Spectroscopic class: "GALAXY"; "QSO"; "STAR" (spec_class) (Note 6)   (meta.code.class;pos.parallax.spect)
spec_subClass    Spectroscopic subclass (spec_subClass) (6) (Note 10)   (src.class)
spec_velDisp  km/s [0/850] Velocity dispersion (spec_velDisp) (Note 6)   (phys.veloc.dispersion)
spec_velDispErr  km/s [-7/4526] Mean error on Vdisp (spec_velDispErr) (Note 6)   (stat.error)
spec_snMedian    [-1927/132] Median signal-to-noise over all good pixels (spec_snMedian) (Note 6)   (em.wl.central;stat.median)
pm_match    [0/4] Number of USNO-B objects matched within 1arcsec (pm_match) (Note 11)   (meta.number)
pm_pmRa  mas/yr [-6121/5519] Proper motion along Right Ascension (pm_pmRa) (Note 11)   (pos.pm;pos.eq.ra)
pm_pmDec  mas/yr [-4846/4437] Proper motion along Declination (pm_pmDec) (Note 11)   (pos.pm;pos.eq.dec)
pm_pmRaErr  mas/yr [0/4709] Mean error on pmRA (pm_pmRaErr) (Note 11)   (stat.error;pos.pm;pos.eq.ra)
pm_pmDecErr  mas/yr [0/4709] Mean error on pmDE (pm_pmDecErr) (Note 11)   (stat.error;pos.pm;pos.eq.dec)
pm_sigRa  mas [0/8662] RMS residual of proper motion fit in RA (pm_sigRa) (Note 11)   (stat.fit.residual)
pm_sigDec  mas [0/10625] RMS residual of proper motion fit in Dec (pm_sigDec) (Note 11)   (stat.fit.residual)
pm_nFit    [0/6] Number of detections used in the pm fit including SDSS (pm_nFit) (Note 11)   (meta.number)
pm_O    [-214740/70189] Magnitude from USNO-B O plate recalibrated to SDSS g (pm_O) (Note 11)   (phot.mag;em.opt.B)
pm_E    Magnitude from E plate recalibrated to SDSS r (pm_E) (Note 11)   (phot.mag;em.opt.R)
pm_J    Magnitude from J plate recalibrated to SDSS g (pm_J) (Note 11)   (phot.mag;em.opt.B)
pm_F    Magnitude from F plate recalibrated to SDSS r (pm_F) (Note 11)   (phot.mag;em.opt.R)
pm_N    Magnitude from N plate recalibrated to SDSS i (pm_N) (Note 11)   (phot.mag;em.opt.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)
photoz_zErr    [0.003/0.3] Estimated error of the photometric redshift (photoz_zErr) (Note 12)   (stat.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)
photoz_chisq    [2e-12/6.3e7] Chi-square value for the minimum chi-square template fit (photoz_chisq) (Note 12)   (stat.value)
field_quality1   [1/3] Quality of the observation: 1=bad; 2=barely acceptable; 3=good (field_quality) (Note 13)   (meta.code.qual;obs.param;obs)
field_mjd_u52576.2541 d Date of observation in u band (field_mjd_u) (Note 13)   (time.epoch)
field_mjd_g52576.2558 d Date of observation in g band (field_mjd_g) (Note 13)   (time.epoch)
field_mjd_r52576.2525 d Date of observation in r band (field_mjd_r) (Note 13)   (time.epoch)
field_mjd_i52576.2533 d Date of observation in i band (field_mjd_i) (Note 13)   (time.epoch)
field_mjd_z52576.2550 d Date of observation in z band (field_mjd_z) (Note 13)   (time.epoch)
SDSS16SDSS J022733.78-010922.7  (i) SDSS-DR16 name based on J2000 position; provided by CDS (meta.id)
SDSS-ID3430-301-1-0112-0051  (i) SDSS object identifier (run-rerun-camcol-field-object) (Note 1)   (meta.id)
Sp-ID   (i) Spectroscopic Plate-MJD-Fiber identifier (plate-mjd-fiberID) (meta.id)
MJD52576.2541 d Mean observation date (average calculated by CDS from the uMJD, gMJD, rMJD, iMJD, zMJD) (time.epoch)
ColumnValue  Explain   (UCD)
_r0.155 arcsec Distance from center (036.890775-01.156296)[ICRS], at Epoch of catalog (MJD) (pos.angDistance)
_RAJ200002 27 33.77568 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000-01 09 22.6620 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195002 25 00.90739 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950-01 22 47.6127 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon/0.0168.55322505 deg Galactic longitude at Epoch=J0, proper motions taken into account (pos.galactic.lon)
_Glat/0.0-55.27374957 deg Galactic latitude at Epoch=J0, proper motions taken into account (pos.galactic.lat)

objID1237645941286043718  (i) SDSS unique object identifier (1) (links to online SDSS-DR16 data) (Note)   (meta.id;meta.main)
ra036.890732 deg (i) Right Ascension of the object (ICRS) at Epoch="MJD" (ra) (pos.eq.ra;meta.main)
dec-01.156295 deg (i) Declination of the object (ICRS) at Epoch="MJD" (dec) (pos.eq.dec;meta.main)
fieldID1237645941286043648  The field this object is in (meta.note)
mode4   [1/4] PhotoMode (1=primary, 2=secondary, 3=family, 4=outside) (meta.code.class)
type6   [0/8] Type of object (3=galaxy, 6=star) (type) (Note 2)   (src.class)
clean0   [0/1] Clean photometry flag (1=clean; 0=unclean) (meta.code)
flags 316728371974420  Photo Object Attribute flags (Note 3)   (meta.code.error)
psfMag_u24.357 mag (i) [4/35] PSF magnitude in u band (psfMag_u) (Note 4)   (phot.mag;em.opt.U)
psfMag_g23.148 mag [3.7/37] PSF magnitude in g band (psfMag_g) (Note 4)   (phot.mag;em.opt.B)
psfMag_r23.241 mag [3.8/36] PSF magnitude in r band (psfMag_r) (Note 4)   (phot.mag;em.opt.R)
psfMag_i23.315 mag [2.6/34] PSF magnitude in i band (psfMag_i) (Note 4)   (phot.mag;em.opt.I)
psfMag_z22.608 mag [3.8/33.3] PSF magnitude in z band (psfMag_z) (Note 4)   (phot.mag;em.opt.I)
psfMagErr_u 0.804 mag [1.5e-5/100] Mean error on upmag (psfMagErr_u) (Note 4)   (stat.error;phot.mag)
psfMagErr_g 0.394 mag Mean error on gpmag (psfMagErr_g) (Note 4)   (stat.error;phot.mag)
psfMagErr_r 0.553 mag Mean error on rpmag (psfMagErr_r) (Note 4)   (stat.error;phot.mag)
psfMagErr_i 0.590 mag Mean error on ipmag (psfMagErr_i) (Note 4)   (stat.error;phot.mag)
psfMagErr_z 0.677 mag Mean error on zpmag (psfMagErr_z) (Note 4)   (stat.error;phot.mag)
petroMag_u24.879 mag [-0.4/47.2] Petrosian magnitude in u band (petroMag_u) (Note 4)   (phot.mag;em.opt.U)
petroMag_g23.426 mag [3.7/48] Petrosian magnitude in g band (petroMag_g) (Note 4)   (phot.mag;em.opt.B)
petroMag_r23.503 mag [1.3/48.6] Petrosian magnitude in r band (petroMag_r) (Note 4)   (phot.mag;em.opt.R)
petroMag_i23.487 mag [2.6/48.4] Petrosian magnitude in i band (petroMag_i) (Note 4)   (phot.mag;em.opt.I)
petroMag_z22.680 mag [-2.9/45.1] Petrosian magnitude in z band (petroMag_z) (Note 4)   (phot.mag;em.opt.I)
petroMagErr_u 1.497 mag [1e-7/100] Mean error in uPmag (petroMagErr_u) (Note 4)   (stat.error;phot.mag)
petroMagErr_g 0.913 mag [9.1e-9/100] Mean error in gPmag (petroMagErr_g) (Note 4)   (stat.error;phot.mag)
petroMagErr_r 1.166 mag Mean error in rPmag (petroMagErr_r) (Note 4)   (stat.error;phot.mag)
petroMagErr_i 1.257 mag Mean error in iPmag (petroMagErr_i) (Note 4)   (stat.error;phot.mag)
petroMagErr_z 1.396 mag Mean error in zPmag (petroMagErr_z) (Note 4)   (stat.error;phot.mag)
petroRad_u 2.970 arcsec [1.2e-6/261] Petrosian radius in u band (petroRad_u) (phys.angSize;src)
petroRad_g 1.046 arcsec [2.3e-6/261] Petrosian radius in g band (petroRad_g) (phys.angSize;src)
petroRad_r 0.952 arcsec [4.9e-6/260] Petrosian radius in r band (petroRad_r) (phys.angSize;src)
petroRad_i 1.043 arcsec [2.2e-6/263] Petrosian radius in i band (petroRad_i) (phys.angSize;src)
petroRad_z 0.748 arcsec [8.3e-7/261] Petrosian radius in z band (petroRad_z) (phys.angSize;src)
petroRadErr_u-1000.000 arcsec [-1000/259] Mean error in rPrad (petroRadErr_u) (stat.error)
petroRadErr_g 0.860 arcsec [-1000/259] Mean error in rPrad (petroRadErr_g) (stat.error)
petroRadErr_r 0.816 arcsec [-1000/259] Mean error in rPrad (petroRadErr_r) (stat.error)
petroRadErr_i 0.932 arcsec [-1000/259] Mean error in rPrad (petroRadErr_i) (stat.error)
petroRadErr_z 0.686 arcsec [-1000/257] Mean error in rPrad (petroRadErr_z) (stat.error)
deVRad_u 0.036 arcsec [0/257] De Vaucouleurs fit radius u band (deVRad_u) (phys.angSize;src)
deVRad_g 0.000 arcsec [0/238] De Vaucouleurs fit radius g band (deVRad_g) (phys.angSize;src)
deVRad_r 0.229 arcsec [0/238] De Vaucouleurs fit radius r band (deVRad_r) (phys.angSize;src)
deVRad_i 0.246 arcsec [0/232] De Vaucouleurs fit radius i band (deVRad_i) (phys.angSize;src)
deVRad_z 0.374 arcsec [0/238] De Vaucouleurs fit radius z band (deVRad_z) (phys.angSize;src)
deVAB_u 0.240   [0.05/1] De Vaucouleurs fit b/a u band (deVAB_u) (phys.size.axisRatio)
deVAB_g 0.238   [0.05/1] De Vaucouleurs fit b/a g band (deVAB_g) (phys.size.axisRatio)
deVAB_r 0.452   [0.05/1] De Vaucouleurs fit b/a r band (deVAB_r) (phys.size.axisRatio)
deVAB_i 0.050   [0.05/1] De Vaucouleurs fit b/a i band (deVAB_i) (phys.size.axisRatio)
deVAB_z 0.628   [0.05/1] De Vaucouleurs fit b/a z band (deVAB_z) (phys.size.axisRatio)
deVPhi_u 89.7 deg [-10105/271] Position angle of dVrad in u band (deVPhi_u) (pos.posAng)
deVPhi_g 115.1 deg [-10105/271] Position angle of dVrad in g band (deVPhi_g) (pos.posAng)
deVPhi_r 48.4 deg [-10105/271] Position angle of dVrad in r band (deVPhi_r) (pos.posAng)
deVPhi_i 68.8 deg [-10105/271] Position angle of dVrad in i band (deVPhi_i) (pos.posAng)
deVPhi_z 70.1 deg [-10105/271] Position angle of dVrad in z band (deVPhi_z) (pos.posAng)
flags_u 9007199397515537  Detection flags u band (flags_u) (Note 3)   (meta.code)
flags_g 302157844  Detection flags g band (flags_g) (Note 3)   (meta.code)
flags_r 4503599930441748  Detection flags r band (flags_r) (Note 3)   (meta.code)
flags_i 35295249  Detection flags i band (flags_i) (Note 3)   (meta.code)
flags_z 33722385  Detection flags z band (flags_z) (Note 3)   (meta.code)
type_u6   [0/8] Phototype in u band (6=Star ; 3=galaxy) (type_u) (Note 2)   (src.class.starGalaxy)
type_g6   [0/8] Phototype in i band (6=Star ; 3=galaxy) (type_g) (Note 2)   (src.class.starGalaxy)
type_r6   [0/8] Phototype in r band (6=Star ; 3=galaxy) (type_r) (Note 2)   (src.class.starGalaxy)
type_i6   [0/8] Phototype in i band (6=Star ; 3=galaxy) (type_i) (Note 2)   (src.class.starGalaxy)
type_z6   [0/8] Phototype in z band (6=Star ; 3=galaxy) (type_z) (Note 2)   (src.class.starGalaxy)
probPSF_u 1.0   [0/1] 0=notStar 1=Star in u band (probPSF_u) (src.class.starGalaxy)
probPSF_g 1.0   [0/1] 0=notStar 1=Star in g band (probPSF_g) (src.class.starGalaxy)
probPSF_r 1.0   [0/1] 0=notStar 1=Star in r band (probPSF_r) (src.class.starGalaxy)
probPSF_i 1.0   [0/1] 0=notStar 1=Star in i band (probPSF_i) (src.class.starGalaxy)
probPSF_z 1.0   [0/1] 0=notStar 1=Star in z band (probPSF_z) (src.class.starGalaxy)
raErr 0.207 arcsec [0/51703] Mean error on RAdeg (raErr) (stat.error;pos.eq.ra)
decErr 0.200 arcsec [0/22795] Mean error on DEdeg (decErr) (stat.error;pos.eq.dec)
offsetRa_u 0.26 arcsec Offset of u position along RA (offsetRa_u) (pos.angDistance)
offsetRa_g 0.01 arcsec Offset of g position along RA (offsetRa_g) (pos.angDistance)
offsetRa_r 0.00 arcsec Offset of r position along RA (offsetRa_r) (pos.angDistance)
offsetRa_i 0.27 arcsec Offset of i position along RA (offsetRa_i) (pos.angDistance)
offsetRa_z 0.27 arcsec Offset of z position along RA (offsetRa_z) (pos.angDistance)
offsetDec_u 0.15 arcsec Offset of u position along Dec (offsetDec_u) (pos.angDistance)
offsetDec_g -0.14 arcsec Offset of g position along Dec (offsetDec_g) (pos.angDistance)
offsetDec_r 0.00 arcsec Offset of r position along Dec (offsetDec_r) (pos.angDistance)
offsetDec_i 0.17 arcsec Offset of i position along Dec (offsetDec_i) (pos.angDistance)
offsetDec_z 0.16 arcsec Offset of z position along Dec (offsetDec_z) (pos.angDistance)
parentID1237645941286043694  Pointer to parent (if object deblended) (meta.id.parent)
specObjID0  Pointer to the spectrum of object or 0 (specObjID) (Note 6)   (meta.id)
u24.376 mag (i) [4/37.3] Model magnitude in u filter AB scale (u) (Note 7)   (phot.mag;em.opt.U)
g23.117 mag (i) [3.7/39.6] Model magnitude in g filter AB scale (g) (Note 7)   (phot.mag;em.opt.B)
r23.217 mag (i) [3.8/40.4] Model magnitude in r filter AB scale (r) (Note 7)   (phot.mag;em.opt.R)
i23.288 mag (i) [2.6/39.5] Model magnitude in i filter AB scale (i) (Note 7)   (phot.mag;em.opt.I)
z22.609 mag (i) [3.5/37.2] Model magnitude in z filter AB scale (z) (Note 7)   (phot.mag;em.opt.I)
err_u 0.742 mag [8.9e-8/3444] Mean error on umag (err_u) (stat.error;phot.mag)
err_g 0.239 mag [3.8e-8/5955] Mean error on gmag (err_g) (stat.error;phot.mag)
err_r 0.364 mag [5.2e-8/915] Mean error on rmag (err_r) (stat.error;phot.mag)
err_i 0.559 mag [0/634] Mean error on imag (err_i) (stat.error;phot.mag)
err_z 0.669 mag [9.4e-8/3529] Mean error on zmag (err_z) (stat.error;phot.mag)
resolveStatus2049   [0/4145] Decimal status (resolveStatus) (Note 5)   (meta.code)
spec_instrument    Spectral instrument used ("SDSS" or "BOSS") (spec_instrument) (Note 6)   (meta.id;instr)
spec_sourceType    Source type (spec_sourceType) (6) (Note 8)   (src.class)
spec_z   (i) [-0.012/7.06] Spectroscopic final redshift (when SpObjID>0) (spec_z) (Note 6)   (src.redshift)
spec_zErr    [-6/30689] Mean error on zsp (negative for bad fit) (spec_zErr) (Note 6)   (stat.error)
spec_zWarning    [0/902] Zwarning flag (spec_zWarning) (6) (Note 9)   (meta.code)
spec_class    Spectroscopic class: "GALAXY"; "QSO"; "STAR" (spec_class) (Note 6)   (meta.code.class;pos.parallax.spect)
spec_subClass    Spectroscopic subclass (spec_subClass) (6) (Note 10)   (src.class)
spec_velDisp  km/s [0/850] Velocity dispersion (spec_velDisp) (Note 6)   (phys.veloc.dispersion)
spec_velDispErr  km/s [-7/4526] Mean error on Vdisp (spec_velDispErr) (Note 6)   (stat.error)
spec_snMedian    [-1927/132] Median signal-to-noise over all good pixels (spec_snMedian) (Note 6)   (em.wl.central;stat.median)
pm_match    [0/4] Number of USNO-B objects matched within 1arcsec (pm_match) (Note 11)   (meta.number)
pm_pmRa  mas/yr [-6121/5519] Proper motion along Right Ascension (pm_pmRa) (Note 11)   (pos.pm;pos.eq.ra)
pm_pmDec  mas/yr [-4846/4437] Proper motion along Declination (pm_pmDec) (Note 11)   (pos.pm;pos.eq.dec)
pm_pmRaErr  mas/yr [0/4709] Mean error on pmRA (pm_pmRaErr) (Note 11)   (stat.error;pos.pm;pos.eq.ra)
pm_pmDecErr  mas/yr [0/4709] Mean error on pmDE (pm_pmDecErr) (Note 11)   (stat.error;pos.pm;pos.eq.dec)
pm_sigRa  mas [0/8662] RMS residual of proper motion fit in RA (pm_sigRa) (Note 11)   (stat.fit.residual)
pm_sigDec  mas [0/10625] RMS residual of proper motion fit in Dec (pm_sigDec) (Note 11)   (stat.fit.residual)
pm_nFit    [0/6] Number of detections used in the pm fit including SDSS (pm_nFit) (Note 11)   (meta.number)
pm_O    [-214740/70189] Magnitude from USNO-B O plate recalibrated to SDSS g (pm_O) (Note 11)   (phot.mag;em.opt.B)
pm_E    Magnitude from E plate recalibrated to SDSS r (pm_E) (Note 11)   (phot.mag;em.opt.R)
pm_J    Magnitude from J plate recalibrated to SDSS g (pm_J) (Note 11)   (phot.mag;em.opt.B)
pm_F    Magnitude from F plate recalibrated to SDSS r (pm_F) (Note 11)   (phot.mag;em.opt.R)
pm_N    Magnitude from N plate recalibrated to SDSS i (pm_N) (Note 11)   (phot.mag;em.opt.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)
photoz_zErr    [0.003/0.3] Estimated error of the photometric redshift (photoz_zErr) (Note 12)   (stat.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)
photoz_chisq    [2e-12/6.3e7] Chi-square value for the minimum chi-square template fit (photoz_chisq) (Note 12)   (stat.value)
field_quality1   [1/3] Quality of the observation: 1=bad; 2=barely acceptable; 3=good (field_quality) (Note 13)   (meta.code.qual;obs.param;obs)
field_mjd_u51078.3941 d Date of observation in u band (field_mjd_u) (Note 13)   (time.epoch)
field_mjd_g51078.3958 d Date of observation in g band (field_mjd_g) (Note 13)   (time.epoch)
field_mjd_r51078.3924 d Date of observation in r band (field_mjd_r) (Note 13)   (time.epoch)
field_mjd_i51078.3933 d Date of observation in i band (field_mjd_i) (Note 13)   (time.epoch)
field_mjd_z51078.3949 d Date of observation in z band (field_mjd_z) (Note 13)   (time.epoch)
SDSS16SDSS J022733.77-010922.6  (i) SDSS-DR16 name based on J2000 position; provided by CDS (meta.id)
SDSS-ID109-301-1-0015-0070  (i) SDSS object identifier (run-rerun-camcol-field-object) (Note 1)   (meta.id)
Sp-ID   (i) Spectroscopic Plate-MJD-Fiber identifier (plate-mjd-fiberID) (meta.id)
MJD51078.3941 d Mean observation date (average calculated by CDS from the uMJD, gMJD, rMJD, iMJD, zMJD) (time.epoch)
ColumnValue  Explain   (UCD)
_r0.201 arcsec Distance from center (036.890775-01.156296)[ICRS], at Epoch of catalog (MJD) (pos.angDistance)
_RAJ200002 27 33.77328 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000-01 09 22.7304 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195002 25 00.90500 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950-01 22 47.6812 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon/0.0168.55323273 deg Galactic longitude at Epoch=J0, proper motions taken into account (pos.galactic.lon)
_Glat/0.0-55.27377059 deg Galactic latitude at Epoch=J0, proper motions taken into account (pos.galactic.lat)

objID1237659753923084390  (i) SDSS unique object identifier (1) (links to online SDSS-DR16 data) (Note)   (meta.id;meta.main)
ra036.890722 deg (i) Right Ascension of the object (ICRS) at Epoch="MJD" (ra) (pos.eq.ra;meta.main)
dec-01.156314 deg (i) Declination of the object (ICRS) at Epoch="MJD" (dec) (pos.eq.dec;meta.main)
fieldID1237659753923084288  The field this object is in (meta.note)
mode4   [1/4] PhotoMode (1=primary, 2=secondary, 3=family, 4=outside) (meta.code.class)
type6   [0/8] Type of object (3=galaxy, 6=star) (type) (Note 2)   (src.class)
clean0   [0/1] Clean photometry flag (1=clean; 0=unclean) (meta.code)
flags 35253395263508  Photo Object Attribute flags (Note 3)   (meta.code.error)
psfMag_u23.809 mag (i) [4/35] PSF magnitude in u band (psfMag_u) (Note 4)   (phot.mag;em.opt.U)
psfMag_g22.603 mag [3.7/37] PSF magnitude in g band (psfMag_g) (Note 4)   (phot.mag;em.opt.B)
psfMag_r22.329 mag [3.8/36] PSF magnitude in r band (psfMag_r) (Note 4)   (phot.mag;em.opt.R)
psfMag_i21.266 mag [2.6/34] PSF magnitude in i band (psfMag_i) (Note 4)   (phot.mag;em.opt.I)
psfMag_z22.233 mag [3.8/33.3] PSF magnitude in z band (psfMag_z) (Note 4)   (phot.mag;em.opt.I)
psfMagErr_u 1.097 mag [1.5e-5/100] Mean error on upmag (psfMagErr_u) (Note 4)   (stat.error;phot.mag)
psfMagErr_g 0.232 mag Mean error on gpmag (psfMagErr_g) (Note 4)   (stat.error;phot.mag)
psfMagErr_r 0.206 mag Mean error on rpmag (psfMagErr_r) (Note 4)   (stat.error;phot.mag)
psfMagErr_i 0.156 mag Mean error on ipmag (psfMagErr_i) (Note 4)   (stat.error;phot.mag)
psfMagErr_z 0.589 mag Mean error on zpmag (psfMagErr_z) (Note 4)   (stat.error;phot.mag)
petroMag_u24.238 mag [-0.4/47.2] Petrosian magnitude in u band (petroMag_u) (Note 4)   (phot.mag;em.opt.U)
petroMag_g22.814 mag [3.7/48] Petrosian magnitude in g band (petroMag_g) (Note 4)   (phot.mag;em.opt.B)
petroMag_r22.436 mag [1.3/48.6] Petrosian magnitude in r band (petroMag_r) (Note 4)   (phot.mag;em.opt.R)
petroMag_i21.289 mag [2.6/48.4] Petrosian magnitude in i band (petroMag_i) (Note 4)   (phot.mag;em.opt.I)
petroMag_z22.353 mag [-2.9/45.1] Petrosian magnitude in z band (petroMag_z) (Note 4)   (phot.mag;em.opt.I)
petroMagErr_u 2.385 mag [1e-7/100] Mean error in uPmag (petroMagErr_u) (Note 4)   (stat.error;phot.mag)
petroMagErr_g 0.493 mag [9.1e-9/100] Mean error in gPmag (petroMagErr_g) (Note 4)   (stat.error;phot.mag)
petroMagErr_r 0.465 mag Mean error in rPmag (petroMagErr_r) (Note 4)   (stat.error;phot.mag)
petroMagErr_i 0.297 mag Mean error in iPmag (petroMagErr_i) (Note 4)   (stat.error;phot.mag)
petroMagErr_z 1.442 mag Mean error in zPmag (petroMagErr_z) (Note 4)   (stat.error;phot.mag)
petroRad_u 0.875 arcsec [1.2e-6/261] Petrosian radius in u band (petroRad_u) (phys.angSize;src)
petroRad_g 1.106 arcsec [2.3e-6/261] Petrosian radius in g band (petroRad_g) (phys.angSize;src)
petroRad_r 1.063 arcsec [4.9e-6/260] Petrosian radius in r band (petroRad_r) (phys.angSize;src)
petroRad_i 1.331 arcsec [2.2e-6/263] Petrosian radius in i band (petroRad_i) (phys.angSize;src)
petroRad_z 0.816 arcsec [8.3e-7/261] Petrosian radius in z band (petroRad_z) (phys.angSize;src)
petroRadErr_u 0.805 arcsec [-1000/259] Mean error in rPrad (petroRadErr_u) (stat.error)
petroRadErr_g 0.200 arcsec [-1000/259] Mean error in rPrad (petroRadErr_g) (stat.error)
petroRadErr_r 0.181 arcsec [-1000/259] Mean error in rPrad (petroRadErr_r) (stat.error)
petroRadErr_i 0.199 arcsec [-1000/259] Mean error in rPrad (petroRadErr_i) (stat.error)
petroRadErr_z 0.055 arcsec [-1000/257] Mean error in rPrad (petroRadErr_z) (stat.error)
deVRad_u 0.373 arcsec [0/257] De Vaucouleurs fit radius u band (deVRad_u) (phys.angSize;src)
deVRad_g 0.007 arcsec [0/238] De Vaucouleurs fit radius g band (deVRad_g) (phys.angSize;src)
deVRad_r 0.134 arcsec [0/238] De Vaucouleurs fit radius r band (deVRad_r) (phys.angSize;src)
deVRad_i 0.192 arcsec [0/232] De Vaucouleurs fit radius i band (deVRad_i) (phys.angSize;src)
deVRad_z 0.000 arcsec [0/238] De Vaucouleurs fit radius z band (deVRad_z) (phys.angSize;src)
deVAB_u 0.601   [0.05/1] De Vaucouleurs fit b/a u band (deVAB_u) (phys.size.axisRatio)
deVAB_g 0.355   [0.05/1] De Vaucouleurs fit b/a g band (deVAB_g) (phys.size.axisRatio)
deVAB_r 0.127   [0.05/1] De Vaucouleurs fit b/a r band (deVAB_r) (phys.size.axisRatio)
deVAB_i 0.264   [0.05/1] De Vaucouleurs fit b/a i band (deVAB_i) (phys.size.axisRatio)
deVAB_z 0.216   [0.05/1] De Vaucouleurs fit b/a z band (deVAB_z) (phys.size.axisRatio)
deVPhi_u 72.6 deg [-10105/271] Position angle of dVrad in u band (deVPhi_u) (pos.posAng)
deVPhi_g 45.3 deg [-10105/271] Position angle of dVrad in g band (deVPhi_g) (pos.posAng)
deVPhi_r 53.6 deg [-10105/271] Position angle of dVrad in r band (deVPhi_r) (pos.posAng)
deVPhi_i 43.8 deg [-10105/271] Position angle of dVrad in i band (deVPhi_i) (pos.posAng)
deVPhi_z 123.4 deg [-10105/271] Position angle of dVrad in z band (deVPhi_z) (pos.posAng)
flags_u 9007199422681105  Detection flags u band (flags_u) (Note 3)   (meta.code)
flags_g 303595540  Detection flags g band (flags_g) (Note 3)   (meta.code)
flags_r 4503599931097108  Detection flags r band (flags_r) (Note 3)   (meta.code)
flags_i 303595540  Detection flags i band (flags_i) (Note 3)   (meta.code)
flags_z 51023893  Detection flags z band (flags_z) (Note 3)   (meta.code)
type_u6   [0/8] Phototype in u band (6=Star ; 3=galaxy) (type_u) (Note 2)   (src.class.starGalaxy)
type_g6   [0/8] Phototype in i band (6=Star ; 3=galaxy) (type_g) (Note 2)   (src.class.starGalaxy)
type_r6   [0/8] Phototype in r band (6=Star ; 3=galaxy) (type_r) (Note 2)   (src.class.starGalaxy)
type_i6   [0/8] Phototype in i band (6=Star ; 3=galaxy) (type_i) (Note 2)   (src.class.starGalaxy)
type_z6   [0/8] Phototype in z band (6=Star ; 3=galaxy) (type_z) (Note 2)   (src.class.starGalaxy)
probPSF_u 1.0   [0/1] 0=notStar 1=Star in u band (probPSF_u) (src.class.starGalaxy)
probPSF_g 1.0   [0/1] 0=notStar 1=Star in g band (probPSF_g) (src.class.starGalaxy)
probPSF_r 1.0   [0/1] 0=notStar 1=Star in r band (probPSF_r) (src.class.starGalaxy)
probPSF_i 1.0   [0/1] 0=notStar 1=Star in i band (probPSF_i) (src.class.starGalaxy)
probPSF_z 1.0   [0/1] 0=notStar 1=Star in z band (probPSF_z) (src.class.starGalaxy)
raErr 0.090 arcsec [0/51703] Mean error on RAdeg (raErr) (stat.error;pos.eq.ra)
decErr 0.088 arcsec [0/22795] Mean error on DEdeg (decErr) (stat.error;pos.eq.dec)
offsetRa_u 0.09 arcsec Offset of u position along RA (offsetRa_u) (pos.angDistance)
offsetRa_g 0.00 arcsec Offset of g position along RA (offsetRa_g) (pos.angDistance)
offsetRa_r 0.00 arcsec Offset of r position along RA (offsetRa_r) (pos.angDistance)
offsetRa_i 0.17 arcsec Offset of i position along RA (offsetRa_i) (pos.angDistance)
offsetRa_z 0.09 arcsec Offset of z position along RA (offsetRa_z) (pos.angDistance)
offsetDec_u 0.15 arcsec Offset of u position along Dec (offsetDec_u) (pos.angDistance)
offsetDec_g 0.11 arcsec Offset of g position along Dec (offsetDec_g) (pos.angDistance)
offsetDec_r 0.00 arcsec Offset of r position along Dec (offsetDec_r) (pos.angDistance)
offsetDec_i -0.10 arcsec Offset of i position along Dec (offsetDec_i) (pos.angDistance)
offsetDec_z 0.16 arcsec Offset of z position along Dec (offsetDec_z) (pos.angDistance)
parentID1237659753923084349  Pointer to parent (if object deblended) (meta.id.parent)
specObjID0  Pointer to the spectrum of object or 0 (specObjID) (Note 6)   (meta.id)
u23.815 mag (i) [4/37.3] Model magnitude in u filter AB scale (u) (Note 7)   (phot.mag;em.opt.U)
g22.571 mag (i) [3.7/39.6] Model magnitude in g filter AB scale (g) (Note 7)   (phot.mag;em.opt.B)
r22.273 mag (i) [3.8/40.4] Model magnitude in r filter AB scale (r) (Note 7)   (phot.mag;em.opt.R)
i21.205 mag (i) [2.6/39.5] Model magnitude in i filter AB scale (i) (Note 7)   (phot.mag;em.opt.I)
z22.231 mag (i) [3.5/37.2] Model magnitude in z filter AB scale (z) (Note 7)   (phot.mag;em.opt.I)
err_u 0.760 mag [8.9e-8/3444] Mean error on umag (err_u) (stat.error;phot.mag)
err_g 0.167 mag [3.8e-8/5955] Mean error on gmag (err_g) (stat.error;phot.mag)
err_r 0.163 mag [5.2e-8/915] Mean error on rmag (err_r) (stat.error;phot.mag)
err_i 0.097 mag [0/634] Mean error on imag (err_i) (stat.error;phot.mag)
err_z 0.600 mag [9.4e-8/3529] Mean error on zmag (err_z) (stat.error;phot.mag)
resolveStatus 513   [0/4145] Decimal status (resolveStatus) (Note 5)   (meta.code)
spec_instrument    Spectral instrument used ("SDSS" or "BOSS") (spec_instrument) (Note 6)   (meta.id;instr)
spec_sourceType    Source type (spec_sourceType) (6) (Note 8)   (src.class)
spec_z   (i) [-0.012/7.06] Spectroscopic final redshift (when SpObjID>0) (spec_z) (Note 6)   (src.redshift)
spec_zErr    [-6/30689] Mean error on zsp (negative for bad fit) (spec_zErr) (Note 6)   (stat.error)
spec_zWarning    [0/902] Zwarning flag (spec_zWarning) (6) (Note 9)   (meta.code)
spec_class    Spectroscopic class: "GALAXY"; "QSO"; "STAR" (spec_class) (Note 6)   (meta.code.class;pos.parallax.spect)
spec_subClass    Spectroscopic subclass (spec_subClass) (6) (Note 10)   (src.class)
spec_velDisp  km/s [0/850] Velocity dispersion (spec_velDisp) (Note 6)   (phys.veloc.dispersion)
spec_velDispErr  km/s [-7/4526] Mean error on Vdisp (spec_velDispErr) (Note 6)   (stat.error)
spec_snMedian    [-1927/132] Median signal-to-noise over all good pixels (spec_snMedian) (Note 6)   (em.wl.central;stat.median)
pm_match    [0/4] Number of USNO-B objects matched within 1arcsec (pm_match) (Note 11)   (meta.number)
pm_pmRa  mas/yr [-6121/5519] Proper motion along Right Ascension (pm_pmRa) (Note 11)   (pos.pm;pos.eq.ra)
pm_pmDec  mas/yr [-4846/4437] Proper motion along Declination (pm_pmDec) (Note 11)   (pos.pm;pos.eq.dec)
pm_pmRaErr  mas/yr [0/4709] Mean error on pmRA (pm_pmRaErr) (Note 11)   (stat.error;pos.pm;pos.eq.ra)
pm_pmDecErr  mas/yr [0/4709] Mean error on pmDE (pm_pmDecErr) (Note 11)   (stat.error;pos.pm;pos.eq.dec)
pm_sigRa  mas [0/8662] RMS residual of proper motion fit in RA (pm_sigRa) (Note 11)   (stat.fit.residual)
pm_sigDec  mas [0/10625] RMS residual of proper motion fit in Dec (pm_sigDec) (Note 11)   (stat.fit.residual)
pm_nFit    [0/6] Number of detections used in the pm fit including SDSS (pm_nFit) (Note 11)   (meta.number)
pm_O    [-214740/70189] Magnitude from USNO-B O plate recalibrated to SDSS g (pm_O) (Note 11)   (phot.mag;em.opt.B)
pm_E    Magnitude from E plate recalibrated to SDSS r (pm_E) (Note 11)   (phot.mag;em.opt.R)
pm_J    Magnitude from J plate recalibrated to SDSS g (pm_J) (Note 11)   (phot.mag;em.opt.B)
pm_F    Magnitude from F plate recalibrated to SDSS r (pm_F) (Note 11)   (phot.mag;em.opt.R)
pm_N    Magnitude from N plate recalibrated to SDSS i (pm_N) (Note 11)   (phot.mag;em.opt.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)
photoz_zErr    [0.003/0.3] Estimated error of the photometric redshift (photoz_zErr) (Note 12)   (stat.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)
photoz_chisq    [2e-12/6.3e7] Chi-square value for the minimum chi-square template fit (photoz_chisq) (Note 12)   (stat.value)
field_quality1   [1/3] Quality of the observation: 1=bad; 2=barely acceptable; 3=good (field_quality) (Note 13)   (meta.code.qual;obs.param;obs)
field_mjd_u52522.4181 d Date of observation in u band (field_mjd_u) (Note 13)   (time.epoch)
field_mjd_g52522.4197 d Date of observation in g band (field_mjd_g) (Note 13)   (time.epoch)
field_mjd_r52522.4164 d Date of observation in r band (field_mjd_r) (Note 13)   (time.epoch)
field_mjd_i52522.4173 d Date of observation in i band (field_mjd_i) (Note 13)   (time.epoch)
field_mjd_z52522.4189 d Date of observation in z band (field_mjd_z) (Note 13)   (time.epoch)
SDSS16SDSS J022733.77-010922.7  (i) SDSS-DR16 name based on J2000 position; provided by CDS (meta.id)
SDSS-ID3325-301-1-0354-0102  (i) SDSS object identifier (run-rerun-camcol-field-object) (Note 1)   (meta.id)
Sp-ID   (i) Spectroscopic Plate-MJD-Fiber identifier (plate-mjd-fiberID) (meta.id)
MJD52522.4181 d Mean observation date (average calculated by CDS from the uMJD, gMJD, rMJD, iMJD, zMJD) (time.epoch)
ColumnValue  Explain   (UCD)
_r0.256 arcsec Distance from center (036.890775-01.156296)[ICRS], at Epoch of catalog (MJD) (pos.angDistance)
_RAJ200002 27 33.77544 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000-01 09 22.8672 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195002 25 00.90719 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950-01 22 47.8179 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon/0.0168.55328736 deg Galactic longitude at Epoch=J0, proper motions taken into account (pos.galactic.lon)
_Glat/0.0-55.27379418 deg Galactic latitude at Epoch=J0, proper motions taken into account (pos.galactic.lat)

objID1237657108207501486  (i) SDSS unique object identifier (1) (links to online SDSS-DR16 data) (Note)   (meta.id;meta.main)
ra036.890731 deg (i) Right Ascension of the object (ICRS) at Epoch="MJD" (ra) (pos.eq.ra;meta.main)
dec-01.156352 deg (i) Declination of the object (ICRS) at Epoch="MJD" (dec) (pos.eq.dec;meta.main)
fieldID1237657108207501312  The field this object is in (meta.note)
mode4   [1/4] PhotoMode (1=primary, 2=secondary, 3=family, 4=outside) (meta.code.class)
type6   [0/8] Type of object (3=galaxy, 6=star) (type) (Note 2)   (src.class)
clean0   [0/1] Clean photometry flag (1=clean; 0=unclean) (meta.code)
flags 105622139441172  Photo Object Attribute flags (Note 3)   (meta.code.error)
psfMag_u24.012 mag (i) [4/35] PSF magnitude in u band (psfMag_u) (Note 4)   (phot.mag;em.opt.U)
psfMag_g23.138 mag [3.7/37] PSF magnitude in g band (psfMag_g) (Note 4)   (phot.mag;em.opt.B)
psfMag_r22.342 mag [3.8/36] PSF magnitude in r band (psfMag_r) (Note 4)   (phot.mag;em.opt.R)
psfMag_i22.158 mag [2.6/34] PSF magnitude in i band (psfMag_i) (Note 4)   (phot.mag;em.opt.I)
psfMag_z21.733 mag [3.8/33.3] PSF magnitude in z band (psfMag_z) (Note 4)   (phot.mag;em.opt.I)
psfMagErr_u 0.694 mag [1.5e-5/100] Mean error on upmag (psfMagErr_u) (Note 4)   (stat.error;phot.mag)
psfMagErr_g 0.468 mag Mean error on gpmag (psfMagErr_g) (Note 4)   (stat.error;phot.mag)
psfMagErr_r 0.212 mag Mean error on rpmag (psfMagErr_r) (Note 4)   (stat.error;phot.mag)
psfMagErr_i 0.326 mag Mean error on ipmag (psfMagErr_i) (Note 4)   (stat.error;phot.mag)
psfMagErr_z 0.586 mag Mean error on zpmag (psfMagErr_z) (Note 4)   (stat.error;phot.mag)
petroMag_u24.286 mag [-0.4/47.2] Petrosian magnitude in u band (petroMag_u) (Note 4)   (phot.mag;em.opt.U)
petroMag_g23.613 mag [3.7/48] Petrosian magnitude in g band (petroMag_g) (Note 4)   (phot.mag;em.opt.B)
petroMag_r22.591 mag [1.3/48.6] Petrosian magnitude in r band (petroMag_r) (Note 4)   (phot.mag;em.opt.R)
petroMag_i22.521 mag [2.6/48.4] Petrosian magnitude in i band (petroMag_i) (Note 4)   (phot.mag;em.opt.I)
petroMag_z22.171 mag [-2.9/45.1] Petrosian magnitude in z band (petroMag_z) (Note 4)   (phot.mag;em.opt.I)
petroMagErr_u 1.580 mag [1e-7/100] Mean error in uPmag (petroMagErr_u) (Note 4)   (stat.error;phot.mag)
petroMagErr_g 0.896 mag [9.1e-9/100] Mean error in gPmag (petroMagErr_g) (Note 4)   (stat.error;phot.mag)
petroMagErr_r 0.463 mag Mean error in rPmag (petroMagErr_r) (Note 4)   (stat.error;phot.mag)
petroMagErr_i 0.725 mag Mean error in iPmag (petroMagErr_i) (Note 4)   (stat.error;phot.mag)
petroMagErr_z 1.026 mag Mean error in zPmag (petroMagErr_z) (Note 4)   (stat.error;phot.mag)
petroRad_u 0.499 arcsec [1.2e-6/261] Petrosian radius in u band (petroRad_u) (phys.angSize;src)
petroRad_g 0.885 arcsec [2.3e-6/261] Petrosian radius in g band (petroRad_g) (phys.angSize;src)
petroRad_r 0.877 arcsec [4.9e-6/260] Petrosian radius in r band (petroRad_r) (phys.angSize;src)
petroRad_i 0.849 arcsec [2.2e-6/263] Petrosian radius in i band (petroRad_i) (phys.angSize;src)
petroRad_z 0.780 arcsec [8.3e-7/261] Petrosian radius in z band (petroRad_z) (phys.angSize;src)
petroRadErr_u 0.379 arcsec [-1000/259] Mean error in rPrad (petroRadErr_u) (stat.error)
petroRadErr_g 0.714 arcsec [-1000/259] Mean error in rPrad (petroRadErr_g) (stat.error)
petroRadErr_r 0.169 arcsec [-1000/259] Mean error in rPrad (petroRadErr_r) (stat.error)
petroRadErr_i 0.219 arcsec [-1000/259] Mean error in rPrad (petroRadErr_i) (stat.error)
petroRadErr_z 0.656 arcsec [-1000/257] Mean error in rPrad (petroRadErr_z) (stat.error)
deVRad_u 0.013 arcsec [0/257] De Vaucouleurs fit radius u band (deVRad_u) (phys.angSize;src)
deVRad_g 0.000 arcsec [0/238] De Vaucouleurs fit radius g band (deVRad_g) (phys.angSize;src)
deVRad_r 0.000 arcsec [0/238] De Vaucouleurs fit radius r band (deVRad_r) (phys.angSize;src)
deVRad_i 0.000 arcsec [0/232] De Vaucouleurs fit radius i band (deVRad_i) (phys.angSize;src)
deVRad_z 0.215 arcsec [0/238] De Vaucouleurs fit radius z band (deVRad_z) (phys.angSize;src)
deVAB_u 0.050   [0.05/1] De Vaucouleurs fit b/a u band (deVAB_u) (phys.size.axisRatio)
deVAB_g 0.244   [0.05/1] De Vaucouleurs fit b/a g band (deVAB_g) (phys.size.axisRatio)
deVAB_r 0.339   [0.05/1] De Vaucouleurs fit b/a r band (deVAB_r) (phys.size.axisRatio)
deVAB_i 0.427   [0.05/1] De Vaucouleurs fit b/a i band (deVAB_i) (phys.size.axisRatio)
deVAB_z 0.361   [0.05/1] De Vaucouleurs fit b/a z band (deVAB_z) (phys.size.axisRatio)
deVPhi_u 54.3 deg [-10105/271] Position angle of dVrad in u band (deVPhi_u) (pos.posAng)
deVPhi_g 103.4 deg [-10105/271] Position angle of dVrad in g band (deVPhi_g) (pos.posAng)
deVPhi_r 97.5 deg [-10105/271] Position angle of dVrad in r band (deVPhi_r) (pos.posAng)
deVPhi_i 103.9 deg [-10105/271] Position angle of dVrad in i band (deVPhi_i) (pos.posAng)
deVPhi_z 82.3 deg [-10105/271] Position angle of dVrad in z band (deVPhi_z) (pos.posAng)
flags_u 9007199288463381  Detection flags u band (flags_u) (Note 3)   (meta.code)
flags_g 70369046724629  Detection flags g band (flags_g) (Note 3)   (meta.code)
flags_r 4503599930966036  Detection flags r band (flags_r) (Note 3)   (meta.code)
flags_i 70369047773205  Detection flags i band (flags_i) (Note 3)   (meta.code)
flags_z 70369063469077  Detection flags z band (flags_z) (Note 3)   (meta.code)
type_u6   [0/8] Phototype in u band (6=Star ; 3=galaxy) (type_u) (Note 2)   (src.class.starGalaxy)
type_g6   [0/8] Phototype in i band (6=Star ; 3=galaxy) (type_g) (Note 2)   (src.class.starGalaxy)
type_r6   [0/8] Phototype in r band (6=Star ; 3=galaxy) (type_r) (Note 2)   (src.class.starGalaxy)
type_i6   [0/8] Phototype in i band (6=Star ; 3=galaxy) (type_i) (Note 2)   (src.class.starGalaxy)
type_z6   [0/8] Phototype in z band (6=Star ; 3=galaxy) (type_z) (Note 2)   (src.class.starGalaxy)
probPSF_u 1.0   [0/1] 0=notStar 1=Star in u band (probPSF_u) (src.class.starGalaxy)
probPSF_g 1.0   [0/1] 0=notStar 1=Star in g band (probPSF_g) (src.class.starGalaxy)
probPSF_r 1.0   [0/1] 0=notStar 1=Star in r band (probPSF_r) (src.class.starGalaxy)
probPSF_i 1.0   [0/1] 0=notStar 1=Star in i band (probPSF_i) (src.class.starGalaxy)
probPSF_z 1.0   [0/1] 0=notStar 1=Star in z band (probPSF_z) (src.class.starGalaxy)
raErr 0.077 arcsec [0/51703] Mean error on RAdeg (raErr) (stat.error;pos.eq.ra)
decErr 0.074 arcsec [0/22795] Mean error on DEdeg (decErr) (stat.error;pos.eq.dec)
offsetRa_u 0.14 arcsec Offset of u position along RA (offsetRa_u) (pos.angDistance)
offsetRa_g 0.14 arcsec Offset of g position along RA (offsetRa_g) (pos.angDistance)
offsetRa_r 0.00 arcsec Offset of r position along RA (offsetRa_r) (pos.angDistance)
offsetRa_i 0.14 arcsec Offset of i position along RA (offsetRa_i) (pos.angDistance)
offsetRa_z 0.20 arcsec Offset of z position along RA (offsetRa_z) (pos.angDistance)
offsetDec_u 0.22 arcsec Offset of u position along Dec (offsetDec_u) (pos.angDistance)
offsetDec_g 0.21 arcsec Offset of g position along Dec (offsetDec_g) (pos.angDistance)
offsetDec_r 0.00 arcsec Offset of r position along Dec (offsetDec_r) (pos.angDistance)
offsetDec_i 0.00 arcsec Offset of i position along Dec (offsetDec_i) (pos.angDistance)
offsetDec_z 0.18 arcsec Offset of z position along Dec (offsetDec_z) (pos.angDistance)
parentID1237657108207501446  Pointer to parent (if object deblended) (meta.id.parent)
specObjID0  Pointer to the spectrum of object or 0 (specObjID) (Note 6)   (meta.id)
u24.021 mag (i) [4/37.3] Model magnitude in u filter AB scale (u) (Note 7)   (phot.mag;em.opt.U)
g23.160 mag (i) [3.7/39.6] Model magnitude in g filter AB scale (g) (Note 7)   (phot.mag;em.opt.B)
r22.360 mag (i) [3.8/40.4] Model magnitude in r filter AB scale (r) (Note 7)   (phot.mag;em.opt.R)
i22.192 mag (i) [2.6/39.5] Model magnitude in i filter AB scale (i) (Note 7)   (phot.mag;em.opt.I)
z21.777 mag (i) [3.5/37.2] Model magnitude in z filter AB scale (z) (Note 7)   (phot.mag;em.opt.I)
err_u 0.851 mag [8.9e-8/3444] Mean error on umag (err_u) (stat.error;phot.mag)
err_g 0.290 mag [3.8e-8/5955] Mean error on gmag (err_g) (stat.error;phot.mag)
err_r 0.159 mag [5.2e-8/915] Mean error on rmag (err_r) (stat.error;phot.mag)
err_i 0.210 mag [0/634] Mean error on imag (err_i) (stat.error;phot.mag)
err_z 0.506 mag [9.4e-8/3529] Mean error on zmag (err_z) (stat.error;phot.mag)
resolveStatus2049   [0/4145] Decimal status (resolveStatus) (Note 5)   (meta.code)
spec_instrument    Spectral instrument used ("SDSS" or "BOSS") (spec_instrument) (Note 6)   (meta.id;instr)
spec_sourceType    Source type (spec_sourceType) (6) (Note 8)   (src.class)
spec_z   (i) [-0.012/7.06] Spectroscopic final redshift (when SpObjID>0) (spec_z) (Note 6)   (src.redshift)
spec_zErr    [-6/30689] Mean error on zsp (negative for bad fit) (spec_zErr) (Note 6)   (stat.error)
spec_zWarning    [0/902] Zwarning flag (spec_zWarning) (6) (Note 9)   (meta.code)
spec_class    Spectroscopic class: "GALAXY"; "QSO"; "STAR" (spec_class) (Note 6)   (meta.code.class;pos.parallax.spect)
spec_subClass    Spectroscopic subclass (spec_subClass) (6) (Note 10)   (src.class)
spec_velDisp  km/s [0/850] Velocity dispersion (spec_velDisp) (Note 6)   (phys.veloc.dispersion)
spec_velDispErr  km/s [-7/4526] Mean error on Vdisp (spec_velDispErr) (Note 6)   (stat.error)
spec_snMedian    [-1927/132] Median signal-to-noise over all good pixels (spec_snMedian) (Note 6)   (em.wl.central;stat.median)
pm_match    [0/4] Number of USNO-B objects matched within 1arcsec (pm_match) (Note 11)   (meta.number)
pm_pmRa  mas/yr [-6121/5519] Proper motion along Right Ascension (pm_pmRa) (Note 11)   (pos.pm;pos.eq.ra)
pm_pmDec  mas/yr [-4846/4437] Proper motion along Declination (pm_pmDec) (Note 11)   (pos.pm;pos.eq.dec)
pm_pmRaErr  mas/yr [0/4709] Mean error on pmRA (pm_pmRaErr) (Note 11)   (stat.error;pos.pm;pos.eq.ra)
pm_pmDecErr  mas/yr [0/4709] Mean error on pmDE (pm_pmDecErr) (Note 11)   (stat.error;pos.pm;pos.eq.dec)
pm_sigRa  mas [0/8662] RMS residual of proper motion fit in RA (pm_sigRa) (Note 11)   (stat.fit.residual)
pm_sigDec  mas [0/10625] RMS residual of proper motion fit in Dec (pm_sigDec) (Note 11)   (stat.fit.residual)
pm_nFit    [0/6] Number of detections used in the pm fit including SDSS (pm_nFit) (Note 11)   (meta.number)
pm_O    [-214740/70189] Magnitude from USNO-B O plate recalibrated to SDSS g (pm_O) (Note 11)   (phot.mag;em.opt.B)
pm_E    Magnitude from E plate recalibrated to SDSS r (pm_E) (Note 11)   (phot.mag;em.opt.R)
pm_J    Magnitude from J plate recalibrated to SDSS g (pm_J) (Note 11)   (phot.mag;em.opt.B)
pm_F    Magnitude from F plate recalibrated to SDSS r (pm_F) (Note 11)   (phot.mag;em.opt.R)
pm_N    Magnitude from N plate recalibrated to SDSS i (pm_N) (Note 11)   (phot.mag;em.opt.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)
photoz_zErr    [0.003/0.3] Estimated error of the photometric redshift (photoz_zErr) (Note 12)   (stat.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)
photoz_chisq    [2e-12/6.3e7] Chi-square value for the minimum chi-square template fit (photoz_chisq) (Note 12)   (stat.value)
field_quality1   [1/3] Quality of the observation: 1=bad; 2=barely acceptable; 3=good (field_quality) (Note 13)   (meta.code.qual;obs.param;obs)
field_mjd_u52225.2816 d Date of observation in u band (field_mjd_u) (Note 13)   (time.epoch)
field_mjd_g52225.2832 d Date of observation in g band (field_mjd_g) (Note 13)   (time.epoch)
field_mjd_r52225.2799 d Date of observation in r band (field_mjd_r) (Note 13)   (time.epoch)
field_mjd_i52225.2807 d Date of observation in i band (field_mjd_i) (Note 13)   (time.epoch)
field_mjd_z52225.2824 d Date of observation in z band (field_mjd_z) (Note 13)   (time.epoch)
SDSS16SDSS J022733.77-010922.8  (i) SDSS-DR16 name based on J2000 position; provided by CDS (meta.id)
SDSS-ID2709-301-1-0114-0174  (i) SDSS object identifier (run-rerun-camcol-field-object) (Note 1)   (meta.id)
Sp-ID   (i) Spectroscopic Plate-MJD-Fiber identifier (plate-mjd-fiberID) (meta.id)
MJD52225.2816 d Mean observation date (average calculated by CDS from the uMJD, gMJD, rMJD, iMJD, zMJD) (time.epoch)
ColumnValue  Explain   (UCD)
_r0.385 arcsec Distance from center (036.890775-01.156296)[ICRS], at Epoch of catalog (MJD) (pos.angDistance)
_RAJ200002 27 33.77472 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000-01 09 22.3200 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195002 25 00.90636 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950-01 22 47.2708 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon/0.0168.55311353 deg Galactic longitude at Epoch=J0, proper motions taken into account (pos.galactic.lon)
_Glat/0.0-55.27367882 deg Galactic latitude at Epoch=J0, proper motions taken into account (pos.galactic.lat)

objID1237646010025574447  (i) SDSS unique object identifier (1) (links to online SDSS-DR16 data) (Note)   (meta.id;meta.main)
ra036.890728 deg (i) Right Ascension of the object (ICRS) at Epoch="MJD" (ra) (pos.eq.ra;meta.main)
dec-01.156200 deg (i) Declination of the object (ICRS) at Epoch="MJD" (dec) (pos.eq.dec;meta.main)
fieldID1237646010025574400  The field this object is in (meta.note)
mode2   [1/4] PhotoMode (1=primary, 2=secondary, 3=family, 4=outside) (meta.code.class)
type6   [0/8] Type of object (3=galaxy, 6=star) (type) (Note 2)   (src.class)
clean0   [0/1] Clean photometry flag (1=clean; 0=unclean) (meta.code)
flags 387097116152084  Photo Object Attribute flags (Note 3)   (meta.code.error)
psfMag_u24.635 mag (i) [4/35] PSF magnitude in u band (psfMag_u) (Note 4)   (phot.mag;em.opt.U)
psfMag_g25.114 mag [3.7/37] PSF magnitude in g band (psfMag_g) (Note 4)   (phot.mag;em.opt.B)
psfMag_r21.606 mag [3.8/36] PSF magnitude in r band (psfMag_r) (Note 4)   (phot.mag;em.opt.R)
psfMag_i22.355 mag [2.6/34] PSF magnitude in i band (psfMag_i) (Note 4)   (phot.mag;em.opt.I)
psfMag_z21.937 mag [3.8/33.3] PSF magnitude in z band (psfMag_z) (Note 4)   (phot.mag;em.opt.I)
psfMagErr_u 1.548 mag [1.5e-5/100] Mean error on upmag (psfMagErr_u) (Note 4)   (stat.error;phot.mag)
psfMagErr_g 1.408 mag Mean error on gpmag (psfMagErr_g) (Note 4)   (stat.error;phot.mag)
psfMagErr_r 0.146 mag Mean error on rpmag (psfMagErr_r) (Note 4)   (stat.error;phot.mag)
psfMagErr_i 0.371 mag Mean error on ipmag (psfMagErr_i) (Note 4)   (stat.error;phot.mag)
psfMagErr_z 0.614 mag Mean error on zpmag (psfMagErr_z) (Note 4)   (stat.error;phot.mag)
petroMag_u24.635 mag [-0.4/47.2] Petrosian magnitude in u band (petroMag_u) (Note 4)   (phot.mag;em.opt.U)
petroMag_g25.115 mag [3.7/48] Petrosian magnitude in g band (petroMag_g) (Note 4)   (phot.mag;em.opt.B)
petroMag_r21.754 mag [1.3/48.6] Petrosian magnitude in r band (petroMag_r) (Note 4)   (phot.mag;em.opt.R)
petroMag_i22.521 mag [2.6/48.4] Petrosian magnitude in i band (petroMag_i) (Note 4)   (phot.mag;em.opt.I)
petroMag_z22.024 mag [-2.9/45.1] Petrosian magnitude in z band (petroMag_z) (Note 4)   (phot.mag;em.opt.I)
petroMagErr_u 2.642 mag [1e-7/100] Mean error in uPmag (petroMagErr_u) (Note 4)   (stat.error;phot.mag)
petroMagErr_g 2.713 mag [9.1e-9/100] Mean error in gPmag (petroMagErr_g) (Note 4)   (stat.error;phot.mag)
petroMagErr_r 0.321 mag Mean error in rPmag (petroMagErr_r) (Note 4)   (stat.error;phot.mag)
petroMagErr_i 0.917 mag Mean error in iPmag (petroMagErr_i) (Note 4)   (stat.error;phot.mag)
petroMagErr_z 1.701 mag Mean error in zPmag (petroMagErr_z) (Note 4)   (stat.error;phot.mag)
petroRad_u 2.968 arcsec [1.2e-6/261] Petrosian radius in u band (petroRad_u) (phys.angSize;src)
petroRad_g 2.969 arcsec [2.3e-6/261] Petrosian radius in g band (petroRad_g) (phys.angSize;src)
petroRad_r 1.423 arcsec [4.9e-6/260] Petrosian radius in r band (petroRad_r) (phys.angSize;src)
petroRad_i 1.340 arcsec [2.2e-6/263] Petrosian radius in i band (petroRad_i) (phys.angSize;src)
petroRad_z 1.217 arcsec [8.3e-7/261] Petrosian radius in z band (petroRad_z) (phys.angSize;src)
petroRadErr_u-1000.000 arcsec [-1000/259] Mean error in rPrad (petroRadErr_u) (stat.error)
petroRadErr_g-1000.000 arcsec [-1000/259] Mean error in rPrad (petroRadErr_g) (stat.error)
petroRadErr_r 0.204 arcsec [-1000/259] Mean error in rPrad (petroRadErr_r) (stat.error)
petroRadErr_i 1.171 arcsec [-1000/259] Mean error in rPrad (petroRadErr_i) (stat.error)
petroRadErr_z 1.132 arcsec [-1000/257] Mean error in rPrad (petroRadErr_z) (stat.error)
deVRad_u 0.039 arcsec [0/257] De Vaucouleurs fit radius u band (deVRad_u) (phys.angSize;src)
deVRad_g 0.038 arcsec [0/238] De Vaucouleurs fit radius g band (deVRad_g) (phys.angSize;src)
deVRad_r 0.000 arcsec [0/238] De Vaucouleurs fit radius r band (deVRad_r) (phys.angSize;src)
deVRad_i 0.499 arcsec [0/232] De Vaucouleurs fit radius i band (deVRad_i) (phys.angSize;src)
deVRad_z 0.588 arcsec [0/238] De Vaucouleurs fit radius z band (deVRad_z) (phys.angSize;src)
deVAB_u 0.050   [0.05/1] De Vaucouleurs fit b/a u band (deVAB_u) (phys.size.axisRatio)
deVAB_g 0.050   [0.05/1] De Vaucouleurs fit b/a g band (deVAB_g) (phys.size.axisRatio)
deVAB_r 0.661   [0.05/1] De Vaucouleurs fit b/a r band (deVAB_r) (phys.size.axisRatio)
deVAB_i 0.670   [0.05/1] De Vaucouleurs fit b/a i band (deVAB_i) (phys.size.axisRatio)
deVAB_z 0.657   [0.05/1] De Vaucouleurs fit b/a z band (deVAB_z) (phys.size.axisRatio)
deVPhi_u 67.4 deg [-10105/271] Position angle of dVrad in u band (deVPhi_u) (pos.posAng)
deVPhi_g 68.2 deg [-10105/271] Position angle of dVrad in g band (deVPhi_g) (pos.posAng)
deVPhi_r 48.6 deg [-10105/271] Position angle of dVrad in r band (deVPhi_r) (pos.posAng)
deVPhi_i 40.1 deg [-10105/271] Position angle of dVrad in i band (deVPhi_i) (pos.posAng)
deVPhi_z 44.7 deg [-10105/271] Position angle of dVrad in z band (deVPhi_z) (pos.posAng)
flags_u 9007199414292753  Detection flags u band (flags_u) (Note 3)   (meta.code)
flags_g 9007199717687600  Detection flags g band (flags_g) (Note 3)   (meta.code)
flags_r 4573968691888149  Detection flags r band (flags_r) (Note 3)   (meta.code)
flags_i 50466837  Detection flags i band (flags_i) (Note 3)   (meta.code)
flags_z 16945169  Detection flags z band (flags_z) (Note 3)   (meta.code)
type_u3   [0/8] Phototype in u band (6=Star ; 3=galaxy) (type_u) (Note 2)   (src.class.starGalaxy)
type_g6   [0/8] Phototype in i band (6=Star ; 3=galaxy) (type_g) (Note 2)   (src.class.starGalaxy)
type_r6   [0/8] Phototype in r band (6=Star ; 3=galaxy) (type_r) (Note 2)   (src.class.starGalaxy)
type_i3   [0/8] Phototype in i band (6=Star ; 3=galaxy) (type_i) (Note 2)   (src.class.starGalaxy)
type_z3   [0/8] Phototype in z band (6=Star ; 3=galaxy) (type_z) (Note 2)   (src.class.starGalaxy)
probPSF_u 0.0   [0/1] 0=notStar 1=Star in u band (probPSF_u) (src.class.starGalaxy)
probPSF_g 1.0   [0/1] 0=notStar 1=Star in g band (probPSF_g) (src.class.starGalaxy)
probPSF_r 1.0   [0/1] 0=notStar 1=Star in r band (probPSF_r) (src.class.starGalaxy)
probPSF_i 0.0   [0/1] 0=notStar 1=Star in i band (probPSF_i) (src.class.starGalaxy)
probPSF_z 0.0   [0/1] 0=notStar 1=Star in z band (probPSF_z) (src.class.starGalaxy)
raErr 0.081 arcsec [0/51703] Mean error on RAdeg (raErr) (stat.error;pos.eq.ra)
decErr 0.081 arcsec [0/22795] Mean error on DEdeg (decErr) (stat.error;pos.eq.dec)
offsetRa_u 0.32 arcsec Offset of u position along RA (offsetRa_u) (pos.angDistance)
offsetRa_g 0.12 arcsec Offset of g position along RA (offsetRa_g) (pos.angDistance)
offsetRa_r 0.00 arcsec Offset of r position along RA (offsetRa_r) (pos.angDistance)
offsetRa_i 0.31 arcsec Offset of i position along RA (offsetRa_i) (pos.angDistance)
offsetRa_z 0.31 arcsec Offset of z position along RA (offsetRa_z) (pos.angDistance)
offsetDec_u 0.32 arcsec Offset of u position along Dec (offsetDec_u) (pos.angDistance)
offsetDec_g 0.27 arcsec Offset of g position along Dec (offsetDec_g) (pos.angDistance)
offsetDec_r 0.00 arcsec Offset of r position along Dec (offsetDec_r) (pos.angDistance)
offsetDec_i 0.32 arcsec Offset of i position along Dec (offsetDec_i) (pos.angDistance)
offsetDec_z 0.33 arcsec Offset of z position along Dec (offsetDec_z) (pos.angDistance)
parentID1237646010025574406  Pointer to parent (if object deblended) (meta.id.parent)
specObjID0  Pointer to the spectrum of object or 0 (specObjID) (Note 6)   (meta.id)
u24.635 mag (i) [4/37.3] Model magnitude in u filter AB scale (u) (Note 7)   (phot.mag;em.opt.U)
g25.114 mag (i) [3.7/39.6] Model magnitude in g filter AB scale (g) (Note 7)   (phot.mag;em.opt.B)
r21.626 mag (i) [3.8/40.4] Model magnitude in r filter AB scale (r) (Note 7)   (phot.mag;em.opt.R)
i22.372 mag (i) [2.6/39.5] Model magnitude in i filter AB scale (i) (Note 7)   (phot.mag;em.opt.I)
z21.953 mag (i) [3.5/37.2] Model magnitude in z filter AB scale (z) (Note 7)   (phot.mag;em.opt.I)
err_u 1.143 mag [8.9e-8/3444] Mean error on umag (err_u) (stat.error;phot.mag)
err_g 0.944 mag [3.8e-8/5955] Mean error on gmag (err_g) (stat.error;phot.mag)
err_r 0.113 mag [5.2e-8/915] Mean error on rmag (err_r) (stat.error;phot.mag)
err_i 0.319 mag [0/634] Mean error on imag (err_i) (stat.error;phot.mag)
err_z 0.630 mag [9.4e-8/3529] Mean error on zmag (err_z) (stat.error;phot.mag)
resolveStatus1025   [0/4145] Decimal status (resolveStatus) (Note 5)   (meta.code)
spec_instrument    Spectral instrument used ("SDSS" or "BOSS") (spec_instrument) (Note 6)   (meta.id;instr)
spec_sourceType    Source type (spec_sourceType) (6) (Note 8)   (src.class)
spec_z   (i) [-0.012/7.06] Spectroscopic final redshift (when SpObjID>0) (spec_z) (Note 6)   (src.redshift)
spec_zErr    [-6/30689] Mean error on zsp (negative for bad fit) (spec_zErr) (Note 6)   (stat.error)
spec_zWarning    [0/902] Zwarning flag (spec_zWarning) (6) (Note 9)   (meta.code)
spec_class    Spectroscopic class: "GALAXY"; "QSO"; "STAR" (spec_class) (Note 6)   (meta.code.class;pos.parallax.spect)
spec_subClass    Spectroscopic subclass (spec_subClass) (6) (Note 10)   (src.class)
spec_velDisp  km/s [0/850] Velocity dispersion (spec_velDisp) (Note 6)   (phys.veloc.dispersion)
spec_velDispErr  km/s [-7/4526] Mean error on Vdisp (spec_velDispErr) (Note 6)   (stat.error)
spec_snMedian    [-1927/132] Median signal-to-noise over all good pixels (spec_snMedian) (Note 6)   (em.wl.central;stat.median)
pm_match    [0/4] Number of USNO-B objects matched within 1arcsec (pm_match) (Note 11)   (meta.number)
pm_pmRa  mas/yr [-6121/5519] Proper motion along Right Ascension (pm_pmRa) (Note 11)   (pos.pm;pos.eq.ra)
pm_pmDec  mas/yr [-4846/4437] Proper motion along Declination (pm_pmDec) (Note 11)   (pos.pm;pos.eq.dec)
pm_pmRaErr  mas/yr [0/4709] Mean error on pmRA (pm_pmRaErr) (Note 11)   (stat.error;pos.pm;pos.eq.ra)
pm_pmDecErr  mas/yr [0/4709] Mean error on pmDE (pm_pmDecErr) (Note 11)   (stat.error;pos.pm;pos.eq.dec)
pm_sigRa  mas [0/8662] RMS residual of proper motion fit in RA (pm_sigRa) (Note 11)   (stat.fit.residual)
pm_sigDec  mas [0/10625] RMS residual of proper motion fit in Dec (pm_sigDec) (Note 11)   (stat.fit.residual)
pm_nFit    [0/6] Number of detections used in the pm fit including SDSS (pm_nFit) (Note 11)   (meta.number)
pm_O    [-214740/70189] Magnitude from USNO-B O plate recalibrated to SDSS g (pm_O) (Note 11)   (phot.mag;em.opt.B)
pm_E    Magnitude from E plate recalibrated to SDSS r (pm_E) (Note 11)   (phot.mag;em.opt.R)
pm_J    Magnitude from J plate recalibrated to SDSS g (pm_J) (Note 11)   (phot.mag;em.opt.B)
pm_F    Magnitude from F plate recalibrated to SDSS r (pm_F) (Note 11)   (phot.mag;em.opt.R)
pm_N    Magnitude from N plate recalibrated to SDSS i (pm_N) (Note 11)   (phot.mag;em.opt.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)
photoz_zErr    [0.003/0.3] Estimated error of the photometric redshift (photoz_zErr) (Note 12)   (stat.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)
photoz_chisq    [2e-12/6.3e7] Chi-square value for the minimum chi-square template fit (photoz_chisq) (Note 12)   (stat.value)
field_quality3   [1/3] Quality of the observation: 1=bad; 2=barely acceptable; 3=good (field_quality) (Note 13)   (meta.code.qual;obs.param;obs)
field_mjd_u51081.3859 d Date of observation in u band (field_mjd_u) (Note 13)   (time.epoch)
field_mjd_g51081.3875 d Date of observation in g band (field_mjd_g) (Note 13)   (time.epoch)
field_mjd_r51081.3842 d Date of observation in r band (field_mjd_r) (Note 13)   (time.epoch)
field_mjd_i51081.3851 d Date of observation in i band (field_mjd_i) (Note 13)   (time.epoch)
field_mjd_z51081.3867 d Date of observation in z band (field_mjd_z) (Note 13)   (time.epoch)
SDSS16SDSS J022733.77-010922.3  (i) SDSS-DR16 name based on J2000 position; provided by CDS (meta.id)
SDSS-ID125-301-1-0321-0047  (i) SDSS object identifier (run-rerun-camcol-field-object) (Note 1)   (meta.id)
Sp-ID   (i) Spectroscopic Plate-MJD-Fiber identifier (plate-mjd-fiberID) (meta.id)
MJD51081.3859 d Mean observation date (average calculated by CDS from the uMJD, gMJD, rMJD, iMJD, zMJD) (time.epoch)
  
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