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=122.725694 +28.055567, eq=ICRS, rs=2
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Note:

ColumnValue  Explain   (UCD)
_r0.000 arcsec Distance from center (122.725694+28.055567)[ICRS], at Epoch of catalog (MJD) (pos.angDistance)
_RAJ200008 10 54.16656 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+28 03 20.0412 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195008 07 50.25125 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+28 12 16.1456 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon/0.0194.17562561 deg Galactic longitude at Epoch=J0, proper motions taken into account (pos.galactic.lon)
_Glat/0.0+28.77444716 deg Galactic latitude at Epoch=J0, proper motions taken into account (pos.galactic.lat)

objID1237660345000658028  (i) SDSS unique object identifier (1) (links to online SDSS-DR16 data) (Note)   (meta.id;meta.main)
ra122.725694 deg (i) Right Ascension of the object (ICRS) at Epoch="MJD" (ra) (pos.eq.ra;meta.main)
dec+28.055567 deg (i) Declination of the object (ICRS) at Epoch="MJD" (dec) (pos.eq.dec;meta.main)
fieldID1237660345000656896  The field this object is in (meta.note)
mode3   [1/4] PhotoMode (1=primary, 2=secondary, 3=family, 4=outside) (meta.code.class)
type3   [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 281571882041608  Photo Object Attribute flags (Note 3)   (meta.code.error)
psfMag_u23.086 mag (i) [4/35] PSF magnitude in u band (psfMag_u) (Note 4)   (phot.mag;em.opt.U)
psfMag_g23.912 mag [3.7/37] PSF magnitude in g band (psfMag_g) (Note 4)   (phot.mag;em.opt.B)
psfMag_r22.742 mag [3.8/36] PSF magnitude in r band (psfMag_r) (Note 4)   (phot.mag;em.opt.R)
psfMag_i21.456 mag [2.6/34] PSF magnitude in i band (psfMag_i) (Note 4)   (phot.mag;em.opt.I)
psfMag_z21.590 mag [3.8/33.3] PSF magnitude in z band (psfMag_z) (Note 4)   (phot.mag;em.opt.I)
psfMagErr_u 0.314 mag [1.5e-5/100] Mean error on upmag (psfMagErr_u) (Note 4)   (stat.error;phot.mag)
psfMagErr_g 0.364 mag Mean error on gpmag (psfMagErr_g) (Note 4)   (stat.error;phot.mag)
psfMagErr_r 0.188 mag Mean error on rpmag (psfMagErr_r) (Note 4)   (stat.error;phot.mag)
psfMagErr_i 0.116 mag Mean error on ipmag (psfMagErr_i) (Note 4)   (stat.error;phot.mag)
psfMagErr_z 0.519 mag Mean error on zpmag (psfMagErr_z) (Note 4)   (stat.error;phot.mag)
petroMag_u21.107 mag [-0.4/47.2] Petrosian magnitude in u band (petroMag_u) (Note 4)   (phot.mag;em.opt.U)
petroMag_g23.194 mag [3.7/48] Petrosian magnitude in g band (petroMag_g) (Note 4)   (phot.mag;em.opt.B)
petroMag_r22.121 mag [1.3/48.6] Petrosian magnitude in r band (petroMag_r) (Note 4)   (phot.mag;em.opt.R)
petroMag_i20.682 mag [2.6/48.4] Petrosian magnitude in i band (petroMag_i) (Note 4)   (phot.mag;em.opt.I)
petroMag_z24.245 mag [-2.9/45.1] Petrosian magnitude in z band (petroMag_z) (Note 4)   (phot.mag;em.opt.I)
petroMagErr_u 0.434 mag [1e-7/100] Mean error in uPmag (petroMagErr_u) (Note 4)   (stat.error;phot.mag)
petroMagErr_g 0.699 mag [9.1e-9/100] Mean error in gPmag (petroMagErr_g) (Note 4)   (stat.error;phot.mag)
petroMagErr_r 0.481 mag Mean error in rPmag (petroMagErr_r) (Note 4)   (stat.error;phot.mag)
petroMagErr_i 0.225 mag Mean error in iPmag (petroMagErr_i) (Note 4)   (stat.error;phot.mag)
petroMagErr_z 1.561 mag Mean error in zPmag (petroMagErr_z) (Note 4)   (stat.error;phot.mag)
petroRad_u 4.584 arcsec [1.2e-6/261] Petrosian radius in u band (petroRad_u) (phys.angSize;src)
petroRad_g 2.970 arcsec [2.3e-6/261] Petrosian radius in g band (petroRad_g) (phys.angSize;src)
petroRad_r 2.502 arcsec [4.9e-6/260] Petrosian radius in r band (petroRad_r) (phys.angSize;src)
petroRad_i 2.372 arcsec [2.2e-6/263] Petrosian radius in i band (petroRad_i) (phys.angSize;src)
petroRad_z 1.623 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 0.480 arcsec [-1000/259] Mean error in rPrad (petroRadErr_r) (stat.error)
petroRadErr_i 0.612 arcsec [-1000/259] Mean error in rPrad (petroRadErr_i) (stat.error)
petroRadErr_z 1.516 arcsec [-1000/257] Mean error in rPrad (petroRadErr_z) (stat.error)
deVRad_u 29.668 arcsec [0/257] De Vaucouleurs fit radius u band (deVRad_u) (phys.angSize;src)
deVRad_g 29.674 arcsec [0/238] De Vaucouleurs fit radius g band (deVRad_g) (phys.angSize;src)
deVRad_r 1.879 arcsec [0/238] De Vaucouleurs fit radius r band (deVRad_r) (phys.angSize;src)
deVRad_i 1.472 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 0.511   [0.05/1] De Vaucouleurs fit b/a u band (deVAB_u) (phys.size.axisRatio)
deVAB_g 0.060   [0.05/1] De Vaucouleurs fit b/a g band (deVAB_g) (phys.size.axisRatio)
deVAB_r 0.450   [0.05/1] De Vaucouleurs fit b/a r band (deVAB_r) (phys.size.axisRatio)
deVAB_i 0.352   [0.05/1] De Vaucouleurs fit b/a i band (deVAB_i) (phys.size.axisRatio)
deVAB_z 0.189   [0.05/1] De Vaucouleurs fit b/a z band (deVAB_z) (phys.size.axisRatio)
deVPhi_u 105.7 deg [-10105/271] Position angle of dVrad in u band (deVPhi_u) (pos.posAng)
deVPhi_g 137.3 deg [-10105/271] Position angle of dVrad in g band (deVPhi_g) (pos.posAng)
deVPhi_r -25.2 deg [-10105/271] Position angle of dVrad in r band (deVPhi_r) (pos.posAng)
deVPhi_i 27.0 deg [-10105/271] Position angle of dVrad in i band (deVPhi_i) (pos.posAng)
deVPhi_z 8.4 deg [-10105/271] Position angle of dVrad in z band (deVPhi_z) (pos.posAng)
flags_u 9007199389091081  Detection flags u band (flags_u) (Note 3)   (meta.code)
flags_g 9007199397347593  Detection flags g band (flags_g) (Note 3)   (meta.code)
flags_r 13511074028453896  Detection flags r band (flags_r) (Note 3)   (meta.code)
flags_i 275280592904  Detection flags i band (flags_i) (Note 3)   (meta.code)
flags_z 9007199388958729  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_g3   [0/8] Phototype in i band (6=Star ; 3=galaxy) (type_g) (Note 2)   (src.class.starGalaxy)
type_r3   [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_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 0.0   [0/1] 0=notStar 1=Star in g band (probPSF_g) (src.class.starGalaxy)
probPSF_r 0.0   [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 1.0   [0/1] 0=notStar 1=Star in z band (probPSF_z) (src.class.starGalaxy)
raErr 0.340 arcsec [0/51703] Mean error on RAdeg (raErr) (stat.error;pos.eq.ra)
decErr 0.384 arcsec [0/22795] Mean error on DEdeg (decErr) (stat.error;pos.eq.dec)
offsetRa_u 0.02 arcsec Offset of u position along RA (offsetRa_u) (pos.angDistance)
offsetRa_g 0.02 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 0.62 arcsec Offset of i position along RA (offsetRa_i) (pos.angDistance)
offsetRa_z 0.01 arcsec Offset of z position along RA (offsetRa_z) (pos.angDistance)
offsetDec_u 0.06 arcsec Offset of u position along Dec (offsetDec_u) (pos.angDistance)
offsetDec_g 0.06 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 0.14 arcsec Offset of i position along Dec (offsetDec_i) (pos.angDistance)
offsetDec_z 0.06 arcsec Offset of z position along Dec (offsetDec_z) (pos.angDistance)
parentID 0  Pointer to parent (if object deblended) (meta.id.parent)
specObjID0  Pointer to the spectrum of object or 0 (specObjID) (Note 6)   (meta.id)
u22.765 mag (i) [4/37.3] Model magnitude in u filter AB scale (u) (Note 7)   (phot.mag;em.opt.U)
g23.151 mag (i) [3.7/39.6] Model magnitude in g filter AB scale (g) (Note 7)   (phot.mag;em.opt.B)
r21.848 mag (i) [3.8/40.4] Model magnitude in r filter AB scale (r) (Note 7)   (phot.mag;em.opt.R)
i20.772 mag (i) [2.6/39.5] Model magnitude in i filter AB scale (i) (Note 7)   (phot.mag;em.opt.I)
z21.406 mag (i) [3.5/37.2] Model magnitude in z filter AB scale (z) (Note 7)   (phot.mag;em.opt.I)
err_u 0.579 mag [8.9e-8/3444] Mean error on umag (err_u) (stat.error;phot.mag)
err_g 0.321 mag [3.8e-8/5955] Mean error on gmag (err_g) (stat.error;phot.mag)
err_r 0.172 mag [5.2e-8/915] Mean error on rmag (err_r) (stat.error;phot.mag)
err_i 0.111 mag [0/634] Mean error on imag (err_i) (stat.error;phot.mag)
err_z 0.736 mag [9.4e-8/3529] Mean error on zmag (err_z) (stat.error;phot.mag)
resolveStatus 8   [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_u52585.4167 d Date of observation in u band (field_mjd_u) (Note 13)   (time.epoch)
field_mjd_g52585.4183 d Date of observation in g band (field_mjd_g) (Note 13)   (time.epoch)
field_mjd_r52585.4150 d Date of observation in r band (field_mjd_r) (Note 13)   (time.epoch)
field_mjd_i52585.4159 d Date of observation in i band (field_mjd_i) (Note 13)   (time.epoch)
field_mjd_z52585.4175 d Date of observation in z band (field_mjd_z) (Note 13)   (time.epoch)
SDSS16SDSS J081054.16+280320.0  (i) SDSS-DR16 name based on J2000 position; provided by CDS (meta.id)
SDSS-ID3462-301-6-0090-1132  (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)
MJD52585.4167 d Mean observation date (average calculated by CDS from the uMJD, gMJD, rMJD, iMJD, zMJD) (time.epoch)
ColumnValue  Explain   (UCD)
_r0.264 arcsec Distance from center (122.725694+28.055567)[ICRS], at Epoch of catalog (MJD) (pos.angDistance)
_RAJ200008 10 54.16296 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+28 03 20.3004 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195008 07 50.24755 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+28 12 16.4046 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon/0.0194.17554269 deg Galactic longitude at Epoch=J0, proper motions taken into account (pos.galactic.lon)
_Glat/0.0+28.77445589 deg Galactic latitude at Epoch=J0, proper motions taken into account (pos.galactic.lat)

objID1237660345000658030  (i) SDSS unique object identifier (1) (links to online SDSS-DR16 data) (Note)   (meta.id;meta.main)
ra122.725679 deg (i) Right Ascension of the object (ICRS) at Epoch="MJD" (ra) (pos.eq.ra;meta.main)
dec+28.055639 deg (i) Declination of the object (ICRS) at Epoch="MJD" (dec) (pos.eq.dec;meta.main)
fieldID1237660345000656896  The field this object is in (meta.note)
mode4   [1/4] PhotoMode (1=primary, 2=secondary, 3=family, 4=outside) (meta.code.class)
type3   [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 246361773703440  Photo Object Attribute flags (Note 3)   (meta.code.error)
psfMag_u23.304 mag (i) [4/35] PSF magnitude in u band (psfMag_u) (Note 4)   (phot.mag;em.opt.U)
psfMag_g24.383 mag [3.7/37] PSF magnitude in g band (psfMag_g) (Note 4)   (phot.mag;em.opt.B)
psfMag_r22.904 mag [3.8/36] PSF magnitude in r band (psfMag_r) (Note 4)   (phot.mag;em.opt.R)
psfMag_i22.450 mag [2.6/34] PSF magnitude in i band (psfMag_i) (Note 4)   (phot.mag;em.opt.I)
psfMag_z22.337 mag [3.8/33.3] PSF magnitude in z band (psfMag_z) (Note 4)   (phot.mag;em.opt.I)
psfMagErr_u 0.941 mag [1.5e-5/100] Mean error on upmag (psfMagErr_u) (Note 4)   (stat.error;phot.mag)
psfMagErr_g 0.655 mag Mean error on gpmag (psfMagErr_g) (Note 4)   (stat.error;phot.mag)
psfMagErr_r 0.218 mag Mean error on rpmag (psfMagErr_r) (Note 4)   (stat.error;phot.mag)
psfMagErr_i 0.391 mag Mean error on ipmag (psfMagErr_i) (Note 4)   (stat.error;phot.mag)
psfMagErr_z 0.841 mag Mean error on zpmag (psfMagErr_z) (Note 4)   (stat.error;phot.mag)
petroMag_u22.047 mag [-0.4/47.2] Petrosian magnitude in u band (petroMag_u) (Note 4)   (phot.mag;em.opt.U)
petroMag_g24.424 mag [3.7/48] Petrosian magnitude in g band (petroMag_g) (Note 4)   (phot.mag;em.opt.B)
petroMag_r22.265 mag [1.3/48.6] Petrosian magnitude in r band (petroMag_r) (Note 4)   (phot.mag;em.opt.R)
petroMag_i22.352 mag [2.6/48.4] Petrosian magnitude in i band (petroMag_i) (Note 4)   (phot.mag;em.opt.I)
petroMag_z23.165 mag [-2.9/45.1] Petrosian magnitude in z band (petroMag_z) (Note 4)   (phot.mag;em.opt.I)
petroMagErr_u 0.730 mag [1e-7/100] Mean error in uPmag (petroMagErr_u) (Note 4)   (stat.error;phot.mag)
petroMagErr_g 2.257 mag [9.1e-9/100] Mean error in gPmag (petroMagErr_g) (Note 4)   (stat.error;phot.mag)
petroMagErr_r 0.543 mag Mean error in rPmag (petroMagErr_r) (Note 4)   (stat.error;phot.mag)
petroMagErr_i 1.398 mag Mean error in iPmag (petroMagErr_i) (Note 4)   (stat.error;phot.mag)
petroMagErr_z 2.939 mag Mean error in zPmag (petroMagErr_z) (Note 4)   (stat.error;phot.mag)
petroRad_u 1.065 arcsec [1.2e-6/261] Petrosian radius in u band (petroRad_u) (phys.angSize;src)
petroRad_g 2.970 arcsec [2.3e-6/261] Petrosian radius in g band (petroRad_g) (phys.angSize;src)
petroRad_r 2.332 arcsec [4.9e-6/260] Petrosian radius in r band (petroRad_r) (phys.angSize;src)
petroRad_i 1.052 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 0.956 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 0.722 arcsec [-1000/259] Mean error in rPrad (petroRadErr_r) (stat.error)
petroRadErr_i 0.796 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 29.666 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 2.113 arcsec [0/238] De Vaucouleurs fit radius r band (deVRad_r) (phys.angSize;src)
deVRad_i 0.007 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 0.751   [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 0.178   [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 0.050   [0.05/1] De Vaucouleurs fit b/a z band (deVAB_z) (phys.size.axisRatio)
deVPhi_u 127.7 deg [-10105/271] Position angle of dVrad in u band (deVPhi_u) (pos.posAng)
deVPhi_g 27.8 deg [-10105/271] Position angle of dVrad in g band (deVPhi_g) (pos.posAng)
deVPhi_r -24.2 deg [-10105/271] Position angle of dVrad in r band (deVPhi_r) (pos.posAng)
deVPhi_i 63.9 deg [-10105/271] Position angle of dVrad in i band (deVPhi_i) (pos.posAng)
deVPhi_z 34.0 deg [-10105/271] Position angle of dVrad in z band (deVPhi_z) (pos.posAng)
flags_u 45177833307373585  Detection flags u band (flags_u) (Note 3)   (meta.code)
flags_g 9077568309305617  Detection flags g band (flags_g) (Note 3)   (meta.code)
flags_r 51791671028875280  Detection flags r band (flags_r) (Note 3)   (meta.code)
flags_i 70369046167569  Detection flags i band (flags_i) (Note 3)   (meta.code)
flags_z 9077568309297425  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_r3   [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 0.0   [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 0.253 arcsec [0/51703] Mean error on RAdeg (raErr) (stat.error;pos.eq.ra)
decErr 0.277 arcsec [0/22795] Mean error on DEdeg (decErr) (stat.error;pos.eq.dec)
offsetRa_u -0.08 arcsec Offset of u position along RA (offsetRa_u) (pos.angDistance)
offsetRa_g 0.06 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 -0.08 arcsec Offset of i position along RA (offsetRa_i) (pos.angDistance)
offsetRa_z 0.37 arcsec Offset of z position along RA (offsetRa_z) (pos.angDistance)
offsetDec_u -0.06 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 -0.19 arcsec Offset of i position along Dec (offsetDec_i) (pos.angDistance)
offsetDec_z -0.05 arcsec Offset of z position along Dec (offsetDec_z) (pos.angDistance)
parentID1237660345000658028  Pointer to parent (if object deblended) (meta.id.parent)
specObjID0  Pointer to the spectrum of object or 0 (specObjID) (Note 6)   (meta.id)
u22.747 mag (i) [4/37.3] Model magnitude in u filter AB scale (u) (Note 7)   (phot.mag;em.opt.U)
g24.198 mag (i) [3.7/39.6] Model magnitude in g filter AB scale (g) (Note 7)   (phot.mag;em.opt.B)
r21.863 mag (i) [3.8/40.4] Model magnitude in r filter AB scale (r) (Note 7)   (phot.mag;em.opt.R)
i21.980 mag (i) [2.6/39.5] Model magnitude in i filter AB scale (i) (Note 7)   (phot.mag;em.opt.I)
z22.300 mag (i) [3.5/37.2] Model magnitude in z filter AB scale (z) (Note 7)   (phot.mag;em.opt.I)
err_u 0.711 mag [8.9e-8/3444] Mean error on umag (err_u) (stat.error;phot.mag)
err_g 0.893 mag [3.8e-8/5955] Mean error on gmag (err_g) (stat.error;phot.mag)
err_r 0.203 mag [5.2e-8/915] Mean error on rmag (err_r) (stat.error;phot.mag)
err_i 0.401 mag [0/634] Mean error on imag (err_i) (stat.error;phot.mag)
err_z 1.590 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_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_u52585.4167 d Date of observation in u band (field_mjd_u) (Note 13)   (time.epoch)
field_mjd_g52585.4183 d Date of observation in g band (field_mjd_g) (Note 13)   (time.epoch)
field_mjd_r52585.4150 d Date of observation in r band (field_mjd_r) (Note 13)   (time.epoch)
field_mjd_i52585.4159 d Date of observation in i band (field_mjd_i) (Note 13)   (time.epoch)
field_mjd_z52585.4175 d Date of observation in z band (field_mjd_z) (Note 13)   (time.epoch)
SDSS16SDSS J081054.16+280320.3  (i) SDSS-DR16 name based on J2000 position; provided by CDS (meta.id)
SDSS-ID3462-301-6-0090-1134  (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)
MJD52585.4167 d Mean observation date (average calculated by CDS from the uMJD, gMJD, rMJD, iMJD, zMJD) (time.epoch)
ColumnValue  Explain   (UCD)
_r0.839 arcsec Distance from center (122.725694+28.055567)[ICRS], at Epoch of catalog (MJD) (pos.angDistance)
_RAJ200008 10 54.22992 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+28 03 20.0268 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195008 07 50.31470 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+28 12 16.1351 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon/0.0194.17570886 deg Galactic longitude at Epoch=J0, proper motions taken into account (pos.galactic.lon)
_Glat/0.0+28.77466845 deg Galactic latitude at Epoch=J0, proper motions taken into account (pos.galactic.lat)

objID1237657873246847938  (i) SDSS unique object identifier (1) (links to online SDSS-DR16 data) (Note)   (meta.id;meta.main)
ra122.725958 deg (i) Right Ascension of the object (ICRS) at Epoch="MJD" (ra) (pos.eq.ra;meta.main)
dec+28.055563 deg (i) Declination of the object (ICRS) at Epoch="MJD" (dec) (pos.eq.dec;meta.main)
fieldID1237657873246846976  The field this object is in (meta.note)
mode2   [1/4] PhotoMode (1=primary, 2=secondary, 3=family, 4=outside) (meta.code.class)
type3   [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 422281453109504  Photo Object Attribute flags (Note 3)   (meta.code.error)
psfMag_u23.584 mag (i) [4/35] PSF magnitude in u band (psfMag_u) (Note 4)   (phot.mag;em.opt.U)
psfMag_g23.178 mag [3.7/37] PSF magnitude in g band (psfMag_g) (Note 4)   (phot.mag;em.opt.B)
psfMag_r21.986 mag [3.8/36] PSF magnitude in r band (psfMag_r) (Note 4)   (phot.mag;em.opt.R)
psfMag_i21.197 mag [2.6/34] PSF magnitude in i band (psfMag_i) (Note 4)   (phot.mag;em.opt.I)
psfMag_z21.192 mag [3.8/33.3] PSF magnitude in z band (psfMag_z) (Note 4)   (phot.mag;em.opt.I)
psfMagErr_u 0.897 mag [1.5e-5/100] Mean error on upmag (psfMagErr_u) (Note 4)   (stat.error;phot.mag)
psfMagErr_g 0.295 mag Mean error on gpmag (psfMagErr_g) (Note 4)   (stat.error;phot.mag)
psfMagErr_r 0.137 mag Mean error on rpmag (psfMagErr_r) (Note 4)   (stat.error;phot.mag)
psfMagErr_i 0.098 mag Mean error on ipmag (psfMagErr_i) (Note 4)   (stat.error;phot.mag)
psfMagErr_z 0.486 mag Mean error on zpmag (psfMagErr_z) (Note 4)   (stat.error;phot.mag)
petroMag_u22.723 mag [-0.4/47.2] Petrosian magnitude in u band (petroMag_u) (Note 4)   (phot.mag;em.opt.U)
petroMag_g23.576 mag [3.7/48] Petrosian magnitude in g band (petroMag_g) (Note 4)   (phot.mag;em.opt.B)
petroMag_r21.801 mag [1.3/48.6] Petrosian magnitude in r band (petroMag_r) (Note 4)   (phot.mag;em.opt.R)
petroMag_i20.985 mag [2.6/48.4] Petrosian magnitude in i band (petroMag_i) (Note 4)   (phot.mag;em.opt.I)
petroMag_z20.085 mag [-2.9/45.1] Petrosian magnitude in z band (petroMag_z) (Note 4)   (phot.mag;em.opt.I)
petroMagErr_u 1.046 mag [1e-7/100] Mean error in uPmag (petroMagErr_u) (Note 4)   (stat.error;phot.mag)
petroMagErr_g 1.216 mag [9.1e-9/100] Mean error in gPmag (petroMagErr_g) (Note 4)   (stat.error;phot.mag)
petroMagErr_r 0.316 mag Mean error in rPmag (petroMagErr_r) (Note 4)   (stat.error;phot.mag)
petroMagErr_i 0.243 mag Mean error in iPmag (petroMagErr_i) (Note 4)   (stat.error;phot.mag)
petroMagErr_z 0.390 mag Mean error in zPmag (petroMagErr_z) (Note 4)   (stat.error;phot.mag)
petroRad_u 2.971 arcsec [1.2e-6/261] Petrosian radius in u band (petroRad_u) (phys.angSize;src)
petroRad_g 2.970 arcsec [2.3e-6/261] Petrosian radius in g band (petroRad_g) (phys.angSize;src)
petroRad_r 2.432 arcsec [4.9e-6/260] Petrosian radius in r band (petroRad_r) (phys.angSize;src)
petroRad_i 2.792 arcsec [2.2e-6/263] Petrosian radius in i band (petroRad_i) (phys.angSize;src)
petroRad_z 7.358 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 0.347 arcsec [-1000/259] Mean error in rPrad (petroRadErr_r) (stat.error)
petroRadErr_i 0.486 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 29.675 arcsec [0/257] De Vaucouleurs fit radius u band (deVRad_u) (phys.angSize;src)
deVRad_g 1.453 arcsec [0/238] De Vaucouleurs fit radius g band (deVRad_g) (phys.angSize;src)
deVRad_r 1.298 arcsec [0/238] De Vaucouleurs fit radius r band (deVRad_r) (phys.angSize;src)
deVRad_i 0.584 arcsec [0/232] De Vaucouleurs fit radius i band (deVRad_i) (phys.angSize;src)
deVRad_z 8.833 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 0.193   [0.05/1] De Vaucouleurs fit b/a g band (deVAB_g) (phys.size.axisRatio)
deVAB_r 0.150   [0.05/1] De Vaucouleurs fit b/a r band (deVAB_r) (phys.size.axisRatio)
deVAB_i 0.800   [0.05/1] De Vaucouleurs fit b/a i band (deVAB_i) (phys.size.axisRatio)
deVAB_z 0.053   [0.05/1] De Vaucouleurs fit b/a z band (deVAB_z) (phys.size.axisRatio)
deVPhi_u 17.4 deg [-10105/271] Position angle of dVrad in u band (deVPhi_u) (pos.posAng)
deVPhi_g 67.4 deg [-10105/271] Position angle of dVrad in g band (deVPhi_g) (pos.posAng)
deVPhi_r 43.8 deg [-10105/271] Position angle of dVrad in r band (deVPhi_r) (pos.posAng)
deVPhi_i -5.6 deg [-10105/271] Position angle of dVrad in i band (deVPhi_i) (pos.posAng)
deVPhi_z 44.0 deg [-10105/271] Position angle of dVrad in z band (deVPhi_z) (pos.posAng)
flags_u 9007199397388545  Detection flags u band (flags_u) (Note 3)   (meta.code)
flags_g 9007199397380353  Detection flags g band (flags_g) (Note 3)   (meta.code)
flags_r 4503874773745664  Detection flags r band (flags_r) (Note 3)   (meta.code)
flags_i 275146375168  Detection flags i band (flags_i) (Note 3)   (meta.code)
flags_z 9147936877479169  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_g3   [0/8] Phototype in i band (6=Star ; 3=galaxy) (type_g) (Note 2)   (src.class.starGalaxy)
type_r3   [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 0.0   [0/1] 0=notStar 1=Star in g band (probPSF_g) (src.class.starGalaxy)
probPSF_r 0.0   [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 0.247 arcsec [0/51703] Mean error on RAdeg (raErr) (stat.error;pos.eq.ra)
decErr 0.240 arcsec [0/22795] Mean error on DEdeg (decErr) (stat.error;pos.eq.dec)
offsetRa_u 0.04 arcsec Offset of u position along RA (offsetRa_u) (pos.angDistance)
offsetRa_g 0.02 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 -0.46 arcsec Offset of i position along RA (offsetRa_i) (pos.angDistance)
offsetRa_z 0.03 arcsec Offset of z position along RA (offsetRa_z) (pos.angDistance)
offsetDec_u 0.01 arcsec Offset of u position along Dec (offsetDec_u) (pos.angDistance)
offsetDec_g 0.02 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 0.01 arcsec Offset of i position along Dec (offsetDec_i) (pos.angDistance)
offsetDec_z 0.01 arcsec Offset of z position along Dec (offsetDec_z) (pos.angDistance)
parentID 0  Pointer to parent (if object deblended) (meta.id.parent)
specObjID0  Pointer to the spectrum of object or 0 (specObjID) (Note 6)   (meta.id)
u23.401 mag (i) [4/37.3] Model magnitude in u filter AB scale (u) (Note 7)   (phot.mag;em.opt.U)
g22.894 mag (i) [3.7/39.6] Model magnitude in g filter AB scale (g) (Note 7)   (phot.mag;em.opt.B)
r21.552 mag (i) [3.8/40.4] Model magnitude in r filter AB scale (r) (Note 7)   (phot.mag;em.opt.R)
i20.766 mag (i) [2.6/39.5] Model magnitude in i filter AB scale (i) (Note 7)   (phot.mag;em.opt.I)
z20.676 mag (i) [3.5/37.2] Model magnitude in z filter AB scale (z) (Note 7)   (phot.mag;em.opt.I)
err_u 1.011 mag [8.9e-8/3444] Mean error on umag (err_u) (stat.error;phot.mag)
err_g 0.309 mag [3.8e-8/5955] Mean error on gmag (err_g) (stat.error;phot.mag)
err_r 0.132 mag [5.2e-8/915] Mean error on rmag (err_r) (stat.error;phot.mag)
err_i 0.095 mag [0/634] Mean error on imag (err_i) (stat.error;phot.mag)
err_z 0.301 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_u52288.2240 d Date of observation in u band (field_mjd_u) (Note 13)   (time.epoch)
field_mjd_g52288.2256 d Date of observation in g band (field_mjd_g) (Note 13)   (time.epoch)
field_mjd_r52288.2223 d Date of observation in r band (field_mjd_r) (Note 13)   (time.epoch)
field_mjd_i52288.2231 d Date of observation in i band (field_mjd_i) (Note 13)   (time.epoch)
field_mjd_z52288.2248 d Date of observation in z band (field_mjd_z) (Note 13)   (time.epoch)
SDSS16SDSS J081054.22+280320.0  (i) SDSS-DR16 name based on J2000 position; provided by CDS (meta.id)
SDSS-ID2887-301-2-0088-0962  (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)
MJD52288.2240 d Mean observation date (average calculated by CDS from the uMJD, gMJD, rMJD, iMJD, zMJD) (time.epoch)
ColumnValue  Explain   (UCD)
_r0.874 arcsec Distance from center (122.725694+28.055567)[ICRS], at Epoch of catalog (MJD) (pos.angDistance)
_RAJ200008 10 54.23256 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+28 03 20.0376 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195008 07 50.31734 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+28 12 16.1461 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon/0.0194.17570888 deg Galactic longitude at Epoch=J0, proper motions taken into account (pos.galactic.lon)
_Glat/0.0+28.77467861 deg Galactic latitude at Epoch=J0, proper motions taken into account (pos.galactic.lat)

objID1237658191072199750  (i) SDSS unique object identifier (1) (links to online SDSS-DR16 data) (Note)   (meta.id;meta.main)
ra122.725969 deg (i) Right Ascension of the object (ICRS) at Epoch="MJD" (ra) (pos.eq.ra;meta.main)
dec+28.055566 deg (i) Declination of the object (ICRS) at Epoch="MJD" (dec) (pos.eq.dec;meta.main)
fieldID1237658191072198656  The field this object is in (meta.note)
mode3   [1/4] PhotoMode (1=primary, 2=secondary, 3=family, 4=outside) (meta.code.class)
type3   [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 439948801081608  Photo Object Attribute flags (Note 3)   (meta.code.error)
psfMag_u23.639 mag (i) [4/35] PSF magnitude in u band (psfMag_u) (Note 4)   (phot.mag;em.opt.U)
psfMag_g23.250 mag [3.7/37] PSF magnitude in g band (psfMag_g) (Note 4)   (phot.mag;em.opt.B)
psfMag_r22.192 mag [3.8/36] PSF magnitude in r band (psfMag_r) (Note 4)   (phot.mag;em.opt.R)
psfMag_i21.485 mag [2.6/34] PSF magnitude in i band (psfMag_i) (Note 4)   (phot.mag;em.opt.I)
psfMag_z20.420 mag [3.8/33.3] PSF magnitude in z band (psfMag_z) (Note 4)   (phot.mag;em.opt.I)
psfMagErr_u 0.721 mag [1.5e-5/100] Mean error on upmag (psfMagErr_u) (Note 4)   (stat.error;phot.mag)
psfMagErr_g 0.217 mag Mean error on gpmag (psfMagErr_g) (Note 4)   (stat.error;phot.mag)
psfMagErr_r 0.149 mag Mean error on rpmag (psfMagErr_r) (Note 4)   (stat.error;phot.mag)
psfMagErr_i 0.093 mag Mean error on ipmag (psfMagErr_i) (Note 4)   (stat.error;phot.mag)
psfMagErr_z 0.332 mag Mean error on zpmag (psfMagErr_z) (Note 4)   (stat.error;phot.mag)
petroMag_u26.979 mag [-0.4/47.2] Petrosian magnitude in u band (petroMag_u) (Note 4)   (phot.mag;em.opt.U)
petroMag_g23.986 mag [3.7/48] Petrosian magnitude in g band (petroMag_g) (Note 4)   (phot.mag;em.opt.B)
petroMag_r21.623 mag [1.3/48.6] Petrosian magnitude in r band (petroMag_r) (Note 4)   (phot.mag;em.opt.R)
petroMag_i21.067 mag [2.6/48.4] Petrosian magnitude in i band (petroMag_i) (Note 4)   (phot.mag;em.opt.I)
petroMag_z19.899 mag [-2.9/45.1] Petrosian magnitude in z band (petroMag_z) (Note 4)   (phot.mag;em.opt.I)
petroMagErr_u 1.096 mag [1e-7/100] Mean error in uPmag (petroMagErr_u) (Note 4)   (stat.error;phot.mag)
petroMagErr_g 2.190 mag [9.1e-9/100] Mean error in gPmag (petroMagErr_g) (Note 4)   (stat.error;phot.mag)
petroMagErr_r 0.287 mag Mean error in rPmag (petroMagErr_r) (Note 4)   (stat.error;phot.mag)
petroMagErr_i 0.399 mag Mean error in iPmag (petroMagErr_i) (Note 4)   (stat.error;phot.mag)
petroMagErr_z 0.490 mag Mean error in zPmag (petroMagErr_z) (Note 4)   (stat.error;phot.mag)
petroRad_u 2.971 arcsec [1.2e-6/261] Petrosian radius in u band (petroRad_u) (phys.angSize;src)
petroRad_g 2.970 arcsec [2.3e-6/261] Petrosian radius in g band (petroRad_g) (phys.angSize;src)
petroRad_r 7.360 arcsec [4.9e-6/260] Petrosian radius in r band (petroRad_r) (phys.angSize;src)
petroRad_i 2.175 arcsec [2.2e-6/263] Petrosian radius in i band (petroRad_i) (phys.angSize;src)
petroRad_z 3.068 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-1000.000 arcsec [-1000/259] Mean error in rPrad (petroRadErr_r) (stat.error)
petroRadErr_i 0.402 arcsec [-1000/259] Mean error in rPrad (petroRadErr_i) (stat.error)
petroRadErr_z 2.998 arcsec [-1000/257] Mean error in rPrad (petroRadErr_z) (stat.error)
deVRad_u 5.115 arcsec [0/257] De Vaucouleurs fit radius u band (deVRad_u) (phys.angSize;src)
deVRad_g 1.541 arcsec [0/238] De Vaucouleurs fit radius g band (deVRad_g) (phys.angSize;src)
deVRad_r 0.976 arcsec [0/238] De Vaucouleurs fit radius r band (deVRad_r) (phys.angSize;src)
deVRad_i 1.338 arcsec [0/232] De Vaucouleurs fit radius i band (deVRad_i) (phys.angSize;src)
deVRad_z 1.123 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 0.550   [0.05/1] De Vaucouleurs fit b/a r band (deVAB_r) (phys.size.axisRatio)
deVAB_i 0.612   [0.05/1] De Vaucouleurs fit b/a i band (deVAB_i) (phys.size.axisRatio)
deVAB_z 0.318   [0.05/1] De Vaucouleurs fit b/a z band (deVAB_z) (phys.size.axisRatio)
deVPhi_u 77.4 deg [-10105/271] Position angle of dVrad in u band (deVPhi_u) (pos.posAng)
deVPhi_g -42.7 deg [-10105/271] Position angle of dVrad in g band (deVPhi_g) (pos.posAng)
deVPhi_r 55.1 deg [-10105/271] Position angle of dVrad in r band (deVPhi_r) (pos.posAng)
deVPhi_i -41.0 deg [-10105/271] Position angle of dVrad in i band (deVPhi_i) (pos.posAng)
deVPhi_z 66.4 deg [-10105/271] Position angle of dVrad in z band (deVPhi_z) (pos.posAng)
flags_u 9007199397380361  Detection flags u band (flags_u) (Note 3)   (meta.code)
flags_g 45035996282126601  Detection flags g band (flags_g) (Note 3)   (meta.code)
flags_r 4503874773746952  Detection flags r band (flags_r) (Note 3)   (meta.code)
flags_i 275146375176  Detection flags i band (flags_i) (Note 3)   (meta.code)
flags_z 158604820905992  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_g3   [0/8] Phototype in i band (6=Star ; 3=galaxy) (type_g) (Note 2)   (src.class.starGalaxy)
type_r3   [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 0.0   [0/1] 0=notStar 1=Star in g band (probPSF_g) (src.class.starGalaxy)
probPSF_r 0.0   [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 0.150 arcsec [0/51703] Mean error on RAdeg (raErr) (stat.error;pos.eq.ra)
decErr 0.156 arcsec [0/22795] Mean error on DEdeg (decErr) (stat.error;pos.eq.dec)
offsetRa_u 0.01 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 -0.67 arcsec Offset of i position along RA (offsetRa_i) (pos.angDistance)
offsetRa_z -1.30 arcsec Offset of z position along RA (offsetRa_z) (pos.angDistance)
offsetDec_u 0.05 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 0.09 arcsec Offset of i position along Dec (offsetDec_i) (pos.angDistance)
offsetDec_z 0.01 arcsec Offset of z position along Dec (offsetDec_z) (pos.angDistance)
parentID 0  Pointer to parent (if object deblended) (meta.id.parent)
specObjID0  Pointer to the spectrum of object or 0 (specObjID) (Note 6)   (meta.id)
u23.299 mag (i) [4/37.3] Model magnitude in u filter AB scale (u) (Note 7)   (phot.mag;em.opt.U)
g22.691 mag (i) [3.7/39.6] Model magnitude in g filter AB scale (g) (Note 7)   (phot.mag;em.opt.B)
r21.634 mag (i) [3.8/40.4] Model magnitude in r filter AB scale (r) (Note 7)   (phot.mag;em.opt.R)
i20.715 mag (i) [2.6/39.5] Model magnitude in i filter AB scale (i) (Note 7)   (phot.mag;em.opt.I)
z19.817 mag (i) [3.5/37.2] Model magnitude in z filter AB scale (z) (Note 7)   (phot.mag;em.opt.I)
err_u 0.880 mag [8.9e-8/3444] Mean error on umag (err_u) (stat.error;phot.mag)
err_g 0.226 mag [3.8e-8/5955] Mean error on gmag (err_g) (stat.error;phot.mag)
err_r 0.149 mag [5.2e-8/915] Mean error on rmag (err_r) (stat.error;phot.mag)
err_i 0.086 mag [0/634] Mean error on imag (err_i) (stat.error;phot.mag)
err_z 0.132 mag [9.4e-8/3529] Mean error on zmag (err_z) (stat.error;phot.mag)
resolveStatus 8   [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_u52313.1397 d Date of observation in u band (field_mjd_u) (Note 13)   (time.epoch)
field_mjd_g52313.1414 d Date of observation in g band (field_mjd_g) (Note 13)   (time.epoch)
field_mjd_r52313.1380 d Date of observation in r band (field_mjd_r) (Note 13)   (time.epoch)
field_mjd_i52313.1389 d Date of observation in i band (field_mjd_i) (Note 13)   (time.epoch)
field_mjd_z52313.1405 d Date of observation in z band (field_mjd_z) (Note 13)   (time.epoch)
SDSS16SDSS J081054.23+280320.0  (i) SDSS-DR16 name based on J2000 position; provided by CDS (meta.id)
SDSS-ID2961-301-2-0054-1094  (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)
MJD52313.1397 d Mean observation date (average calculated by CDS from the uMJD, gMJD, rMJD, iMJD, zMJD) (time.epoch)
ColumnValue  Explain   (UCD)
_r0.874 arcsec Distance from center (122.725694+28.055567)[ICRS], at Epoch of catalog (MJD) (pos.angDistance)
_RAJ200008 10 54.23256 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+28 03 20.0376 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195008 07 50.31734 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+28 12 16.1461 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon/0.0194.17570888 deg Galactic longitude at Epoch=J0, proper motions taken into account (pos.galactic.lon)
_Glat/0.0+28.77467861 deg Galactic latitude at Epoch=J0, proper motions taken into account (pos.galactic.lat)

objID1237658191072199751  (i) SDSS unique object identifier (1) (links to online SDSS-DR16 data) (Note)   (meta.id;meta.main)
ra122.725969 deg (i) Right Ascension of the object (ICRS) at Epoch="MJD" (ra) (pos.eq.ra;meta.main)
dec+28.055566 deg (i) Declination of the object (ICRS) at Epoch="MJD" (dec) (pos.eq.dec;meta.main)
fieldID1237658191072198656  The field this object is in (meta.note)
mode1   [1/4] PhotoMode (1=primary, 2=secondary, 3=family, 4=outside) (meta.code.class)
type3   [0/8] Type of object (3=galaxy, 6=star) (type) (Note 2)   (src.class)
clean1   [0/1] Clean photometry flag (1=clean; 0=unclean) (meta.code)
flags 474995734216976  Photo Object Attribute flags (Note 3)   (meta.code.error)
psfMag_u22.903 mag (i) [4/35] PSF magnitude in u band (psfMag_u) (Note 4)   (phot.mag;em.opt.U)
psfMag_g24.680 mag [3.7/37] PSF magnitude in g band (psfMag_g) (Note 4)   (phot.mag;em.opt.B)
psfMag_r22.192 mag [3.8/36] PSF magnitude in r band (psfMag_r) (Note 4)   (phot.mag;em.opt.R)
psfMag_i21.485 mag [2.6/34] PSF magnitude in i band (psfMag_i) (Note 4)   (phot.mag;em.opt.I)
psfMag_z20.420 mag [3.8/33.3] PSF magnitude in z band (psfMag_z) (Note 4)   (phot.mag;em.opt.I)
psfMagErr_u 0.414 mag [1.5e-5/100] Mean error on upmag (psfMagErr_u) (Note 4)   (stat.error;phot.mag)
psfMagErr_g 0.564 mag Mean error on gpmag (psfMagErr_g) (Note 4)   (stat.error;phot.mag)
psfMagErr_r 0.149 mag Mean error on rpmag (psfMagErr_r) (Note 4)   (stat.error;phot.mag)
psfMagErr_i 0.093 mag Mean error on ipmag (psfMagErr_i) (Note 4)   (stat.error;phot.mag)
psfMagErr_z 0.332 mag Mean error on zpmag (psfMagErr_z) (Note 4)   (stat.error;phot.mag)
petroMag_u26.979 mag [-0.4/47.2] Petrosian magnitude in u band (petroMag_u) (Note 4)   (phot.mag;em.opt.U)
petroMag_g23.986 mag [3.7/48] Petrosian magnitude in g band (petroMag_g) (Note 4)   (phot.mag;em.opt.B)
petroMag_r21.623 mag [1.3/48.6] Petrosian magnitude in r band (petroMag_r) (Note 4)   (phot.mag;em.opt.R)
petroMag_i21.067 mag [2.6/48.4] Petrosian magnitude in i band (petroMag_i) (Note 4)   (phot.mag;em.opt.I)
petroMag_z19.899 mag [-2.9/45.1] Petrosian magnitude in z band (petroMag_z) (Note 4)   (phot.mag;em.opt.I)
petroMagErr_u 1.096 mag [1e-7/100] Mean error in uPmag (petroMagErr_u) (Note 4)   (stat.error;phot.mag)
petroMagErr_g 2.190 mag [9.1e-9/100] Mean error in gPmag (petroMagErr_g) (Note 4)   (stat.error;phot.mag)
petroMagErr_r 0.287 mag Mean error in rPmag (petroMagErr_r) (Note 4)   (stat.error;phot.mag)
petroMagErr_i 0.399 mag Mean error in iPmag (petroMagErr_i) (Note 4)   (stat.error;phot.mag)
petroMagErr_z 0.490 mag Mean error in zPmag (petroMagErr_z) (Note 4)   (stat.error;phot.mag)
petroRad_u 2.971 arcsec [1.2e-6/261] Petrosian radius in u band (petroRad_u) (phys.angSize;src)
petroRad_g 2.970 arcsec [2.3e-6/261] Petrosian radius in g band (petroRad_g) (phys.angSize;src)
petroRad_r 7.360 arcsec [4.9e-6/260] Petrosian radius in r band (petroRad_r) (phys.angSize;src)
petroRad_i 2.175 arcsec [2.2e-6/263] Petrosian radius in i band (petroRad_i) (phys.angSize;src)
petroRad_z 3.068 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-1000.000 arcsec [-1000/259] Mean error in rPrad (petroRadErr_r) (stat.error)
petroRadErr_i 0.402 arcsec [-1000/259] Mean error in rPrad (petroRadErr_i) (stat.error)
petroRadErr_z 2.998 arcsec [-1000/257] Mean error in rPrad (petroRadErr_z) (stat.error)
deVRad_u 1.705 arcsec [0/257] De Vaucouleurs fit radius u band (deVRad_u) (phys.angSize;src)
deVRad_g 6.327 arcsec [0/238] De Vaucouleurs fit radius g band (deVRad_g) (phys.angSize;src)
deVRad_r 0.976 arcsec [0/238] De Vaucouleurs fit radius r band (deVRad_r) (phys.angSize;src)
deVRad_i 1.338 arcsec [0/232] De Vaucouleurs fit radius i band (deVRad_i) (phys.angSize;src)
deVRad_z 1.123 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 0.200   [0.05/1] De Vaucouleurs fit b/a g band (deVAB_g) (phys.size.axisRatio)
deVAB_r 0.550   [0.05/1] De Vaucouleurs fit b/a r band (deVAB_r) (phys.size.axisRatio)
deVAB_i 0.612   [0.05/1] De Vaucouleurs fit b/a i band (deVAB_i) (phys.size.axisRatio)
deVAB_z 0.318   [0.05/1] De Vaucouleurs fit b/a z band (deVAB_z) (phys.size.axisRatio)
deVPhi_u 59.7 deg [-10105/271] Position angle of dVrad in u band (deVPhi_u) (pos.posAng)
deVPhi_g 113.6 deg [-10105/271] Position angle of dVrad in g band (deVPhi_g) (pos.posAng)
deVPhi_r 55.1 deg [-10105/271] Position angle of dVrad in r band (deVPhi_r) (pos.posAng)
deVPhi_i -41.0 deg [-10105/271] Position angle of dVrad in i band (deVPhi_i) (pos.posAng)
deVPhi_z 66.4 deg [-10105/271] Position angle of dVrad in z band (deVPhi_z) (pos.posAng)
flags_u 11258999211065617  Detection flags u band (flags_u) (Note 3)   (meta.code)
flags_g 20266198331588881  Detection flags g band (flags_g) (Note 3)   (meta.code)
flags_r 6755674587432208  Detection flags r band (flags_r) (Note 3)   (meta.code)
flags_i 2252074960060432  Detection flags i band (flags_i) (Note 3)   (meta.code)
flags_z 2410404634591248  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_g3   [0/8] Phototype in i band (6=Star ; 3=galaxy) (type_g) (Note 2)   (src.class.starGalaxy)
type_r3   [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 0.0   [0/1] 0=notStar 1=Star in g band (probPSF_g) (src.class.starGalaxy)
probPSF_r 0.0   [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 0.150 arcsec [0/51703] Mean error on RAdeg (raErr) (stat.error;pos.eq.ra)
decErr 0.156 arcsec [0/22795] Mean error on DEdeg (decErr) (stat.error;pos.eq.dec)
offsetRa_u -0.90 arcsec Offset of u position along RA (offsetRa_u) (pos.angDistance)
offsetRa_g -1.73 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 -0.67 arcsec Offset of i position along RA (offsetRa_i) (pos.angDistance)
offsetRa_z -1.30 arcsec Offset of z position along RA (offsetRa_z) (pos.angDistance)
offsetDec_u 0.06 arcsec Offset of u position along Dec (offsetDec_u) (pos.angDistance)
offsetDec_g 0.04 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 0.09 arcsec Offset of i position along Dec (offsetDec_i) (pos.angDistance)
offsetDec_z 0.01 arcsec Offset of z position along Dec (offsetDec_z) (pos.angDistance)
parentID1237658191072199750  Pointer to parent (if object deblended) (meta.id.parent)
specObjID0  Pointer to the spectrum of object or 0 (specObjID) (Note 6)   (meta.id)
u22.722 mag (i) [4/37.3] Model magnitude in u filter AB scale (u) (Note 7)   (phot.mag;em.opt.U)
g23.742 mag (i) [3.7/39.6] Model magnitude in g filter AB scale (g) (Note 7)   (phot.mag;em.opt.B)
r21.634 mag (i) [3.8/40.4] Model magnitude in r filter AB scale (r) (Note 7)   (phot.mag;em.opt.R)
i20.715 mag (i) [2.6/39.5] Model magnitude in i filter AB scale (i) (Note 7)   (phot.mag;em.opt.I)
z19.817 mag (i) [3.5/37.2] Model magnitude in z filter AB scale (z) (Note 7)   (phot.mag;em.opt.I)
err_u 0.555 mag [8.9e-8/3444] Mean error on umag (err_u) (stat.error;phot.mag)
err_g 0.542 mag [3.8e-8/5955] Mean error on gmag (err_g) (stat.error;phot.mag)
err_r 0.149 mag [5.2e-8/915] Mean error on rmag (err_r) (stat.error;phot.mag)
err_i 0.086 mag [0/634] Mean error on imag (err_i) (stat.error;phot.mag)
err_z 0.132 mag [9.4e-8/3529] Mean error on zmag (err_z) (stat.error;phot.mag)
resolveStatus 257   [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 0.7565  (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 0.0477   [0.003/0.3] Estimated error of the photometric redshift (photoz_zErr) (Note 12)   (stat.error)
photoz_nnAvgZ 0.5607   [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 3.560   [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_u52313.1397 d Date of observation in u band (field_mjd_u) (Note 13)   (time.epoch)
field_mjd_g52313.1414 d Date of observation in g band (field_mjd_g) (Note 13)   (time.epoch)
field_mjd_r52313.1380 d Date of observation in r band (field_mjd_r) (Note 13)   (time.epoch)
field_mjd_i52313.1389 d Date of observation in i band (field_mjd_i) (Note 13)   (time.epoch)
field_mjd_z52313.1405 d Date of observation in z band (field_mjd_z) (Note 13)   (time.epoch)
SDSS16SDSS J081054.23+280320.0  (i) SDSS-DR16 name based on J2000 position; provided by CDS (meta.id)
SDSS-ID2961-301-2-0054-1095  (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)
MJD52313.1397 d Mean observation date (average calculated by CDS from the uMJD, gMJD, rMJD, iMJD, zMJD) (time.epoch)
ColumnValue  Explain   (UCD)
_r0.956 arcsec Distance from center (122.725694+28.055567)[ICRS], at Epoch of catalog (MJD) (pos.angDistance)
_RAJ200008 10 54.23472 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+28 03 20.3580 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195008 07 50.31939 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+28 12 16.4666 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon/0.0194.17561461 deg Galactic longitude at Epoch=J0, proper motions taken into account (pos.galactic.lon)
_Glat/0.0+28.77471261 deg Galactic latitude at Epoch=J0, proper motions taken into account (pos.galactic.lat)

objID1237660345000658029  (i) SDSS unique object identifier (1) (links to online SDSS-DR16 data) (Note)   (meta.id;meta.main)
ra122.725978 deg (i) Right Ascension of the object (ICRS) at Epoch="MJD" (ra) (pos.eq.ra;meta.main)
dec+28.055655 deg (i) Declination of the object (ICRS) at Epoch="MJD" (dec) (pos.eq.dec;meta.main)
fieldID1237660345000656896  The field this object is in (meta.note)
mode2   [1/4] PhotoMode (1=primary, 2=secondary, 3=family, 4=outside) (meta.code.class)
type3   [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 387099228504408  Photo Object Attribute flags (Note 3)   (meta.code.error)
psfMag_u23.695 mag (i) [4/35] PSF magnitude in u band (psfMag_u) (Note 4)   (phot.mag;em.opt.U)
psfMag_g24.068 mag [3.7/37] PSF magnitude in g band (psfMag_g) (Note 4)   (phot.mag;em.opt.B)
psfMag_r24.326 mag [3.8/36] PSF magnitude in r band (psfMag_r) (Note 4)   (phot.mag;em.opt.R)
psfMag_i21.704 mag [2.6/34] PSF magnitude in i band (psfMag_i) (Note 4)   (phot.mag;em.opt.I)
psfMag_z21.991 mag [3.8/33.3] PSF magnitude in z band (psfMag_z) (Note 4)   (phot.mag;em.opt.I)
psfMagErr_u 0.399 mag [1.5e-5/100] Mean error on upmag (psfMagErr_u) (Note 4)   (stat.error;phot.mag)
psfMagErr_g 0.413 mag Mean error on gpmag (psfMagErr_g) (Note 4)   (stat.error;phot.mag)
psfMagErr_r 0.611 mag Mean error on rpmag (psfMagErr_r) (Note 4)   (stat.error;phot.mag)
psfMagErr_i 0.147 mag Mean error on ipmag (psfMagErr_i) (Note 4)   (stat.error;phot.mag)
psfMagErr_z 0.682 mag Mean error on zpmag (psfMagErr_z) (Note 4)   (stat.error;phot.mag)
petroMag_u21.183 mag [-0.4/47.2] Petrosian magnitude in u band (petroMag_u) (Note 4)   (phot.mag;em.opt.U)
petroMag_g23.589 mag [3.7/48] Petrosian magnitude in g band (petroMag_g) (Note 4)   (phot.mag;em.opt.B)
petroMag_r27.723 mag [1.3/48.6] Petrosian magnitude in r band (petroMag_r) (Note 4)   (phot.mag;em.opt.R)
petroMag_i21.041 mag [2.6/48.4] Petrosian magnitude in i band (petroMag_i) (Note 4)   (phot.mag;em.opt.I)
petroMag_z25.631 mag [-2.9/45.1] Petrosian magnitude in z band (petroMag_z) (Note 4)   (phot.mag;em.opt.I)
petroMagErr_u 0.619 mag [1e-7/100] Mean error in uPmag (petroMagErr_u) (Note 4)   (stat.error;phot.mag)
petroMagErr_g 1.606 mag [9.1e-9/100] Mean error in gPmag (petroMagErr_g) (Note 4)   (stat.error;phot.mag)
petroMagErr_r 0.658 mag Mean error in rPmag (petroMagErr_r) (Note 4)   (stat.error;phot.mag)
petroMagErr_i 0.646 mag Mean error in iPmag (petroMagErr_i) (Note 4)   (stat.error;phot.mag)
petroMagErr_z 0.799 mag Mean error in zPmag (petroMagErr_z) (Note 4)   (stat.error;phot.mag)
petroRad_u 0.099 arcsec [1.2e-6/261] Petrosian radius in u band (petroRad_u) (phys.angSize;src)
petroRad_g 2.970 arcsec [2.3e-6/261] Petrosian radius in g band (petroRad_g) (phys.angSize;src)
petroRad_r 2.970 arcsec [4.9e-6/260] Petrosian radius in r band (petroRad_r) (phys.angSize;src)
petroRad_i 3.674 arcsec [2.2e-6/263] Petrosian radius in i band (petroRad_i) (phys.angSize;src)
petroRad_z 1.142 arcsec [8.3e-7/261] Petrosian radius in z band (petroRad_z) (phys.angSize;src)
petroRadErr_u 0.024 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-1000.000 arcsec [-1000/259] Mean error in rPrad (petroRadErr_r) (stat.error)
petroRadErr_i 2.148 arcsec [-1000/259] Mean error in rPrad (petroRadErr_i) (stat.error)
petroRadErr_z 1.126 arcsec [-1000/257] Mean error in rPrad (petroRadErr_z) (stat.error)
deVRad_u 29.667 arcsec [0/257] De Vaucouleurs fit radius u band (deVRad_u) (phys.angSize;src)
deVRad_g 11.169 arcsec [0/238] De Vaucouleurs fit radius g band (deVRad_g) (phys.angSize;src)
deVRad_r 0.718 arcsec [0/238] De Vaucouleurs fit radius r band (deVRad_r) (phys.angSize;src)
deVRad_i 2.433 arcsec [0/232] De Vaucouleurs fit radius i band (deVRad_i) (phys.angSize;src)
deVRad_z 0.190 arcsec [0/238] De Vaucouleurs fit radius z band (deVRad_z) (phys.angSize;src)
deVAB_u 0.984   [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 0.050   [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 0.096   [0.05/1] De Vaucouleurs fit b/a z band (deVAB_z) (phys.size.axisRatio)
deVPhi_u 139.2 deg [-10105/271] Position angle of dVrad in u band (deVPhi_u) (pos.posAng)
deVPhi_g 139.1 deg [-10105/271] Position angle of dVrad in g band (deVPhi_g) (pos.posAng)
deVPhi_r 3.9 deg [-10105/271] Position angle of dVrad in r band (deVPhi_r) (pos.posAng)
deVPhi_i 17.4 deg [-10105/271] Position angle of dVrad in i band (deVPhi_i) (pos.posAng)
deVPhi_z 10.8 deg [-10105/271] Position angle of dVrad in z band (deVPhi_z) (pos.posAng)
flags_u 11330467727048729  Detection flags u band (flags_u) (Note 3)   (meta.code)
flags_g 11258999211065625  Detection flags g band (flags_g) (Note 3)   (meta.code)
flags_r 9007199397380377  Detection flags r band (flags_r) (Note 3)   (meta.code)
flags_i 6755674730037272  Detection flags i band (flags_i) (Note 3)   (meta.code)
flags_z 9007199388991513  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_g3   [0/8] Phototype in i band (6=Star ; 3=galaxy) (type_g) (Note 2)   (src.class.starGalaxy)
type_r3   [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_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 0.0   [0/1] 0=notStar 1=Star in g band (probPSF_g) (src.class.starGalaxy)
probPSF_r 0.0   [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 1.0   [0/1] 0=notStar 1=Star in z band (probPSF_z) (src.class.starGalaxy)
raErr 0.176 arcsec [0/51703] Mean error on RAdeg (raErr) (stat.error;pos.eq.ra)
decErr 0.164 arcsec [0/22795] Mean error on DEdeg (decErr) (stat.error;pos.eq.dec)
offsetRa_u -0.43 arcsec Offset of u position along RA (offsetRa_u) (pos.angDistance)
offsetRa_g -0.40 arcsec Offset of g position along RA (offsetRa_g) (pos.angDistance)
offsetRa_r -0.41 arcsec Offset of r position along RA (offsetRa_r) (pos.angDistance)
offsetRa_i 0.00 arcsec Offset of i position along RA (offsetRa_i) (pos.angDistance)
offsetRa_z -0.41 arcsec Offset of z position along RA (offsetRa_z) (pos.angDistance)
offsetDec_u -0.25 arcsec Offset of u position along Dec (offsetDec_u) (pos.angDistance)
offsetDec_g -0.15 arcsec Offset of g position along Dec (offsetDec_g) (pos.angDistance)
offsetDec_r -0.15 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 -0.15 arcsec Offset of z position along Dec (offsetDec_z) (pos.angDistance)
parentID1237660345000658028  Pointer to parent (if object deblended) (meta.id.parent)
specObjID0  Pointer to the spectrum of object or 0 (specObjID) (Note 6)   (meta.id)
u22.722 mag (i) [4/37.3] Model magnitude in u filter AB scale (u) (Note 7)   (phot.mag;em.opt.U)
g23.358 mag (i) [3.7/39.6] Model magnitude in g filter AB scale (g) (Note 7)   (phot.mag;em.opt.B)
r23.896 mag (i) [3.8/40.4] Model magnitude in r filter AB scale (r) (Note 7)   (phot.mag;em.opt.R)
i20.754 mag (i) [2.6/39.5] Model magnitude in i filter AB scale (i) (Note 7)   (phot.mag;em.opt.I)
z21.706 mag (i) [3.5/37.2] Model magnitude in z filter AB scale (z) (Note 7)   (phot.mag;em.opt.I)
err_u 0.677 mag [8.9e-8/3444] Mean error on umag (err_u) (stat.error;phot.mag)
err_g 0.460 mag [3.8e-8/5955] Mean error on gmag (err_g) (stat.error;phot.mag)
err_r 1.047 mag [5.2e-8/915] Mean error on rmag (err_r) (stat.error;phot.mag)
err_i 0.129 mag [0/634] Mean error on imag (err_i) (stat.error;phot.mag)
err_z 1.092 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_u52585.4167 d Date of observation in u band (field_mjd_u) (Note 13)   (time.epoch)
field_mjd_g52585.4183 d Date of observation in g band (field_mjd_g) (Note 13)   (time.epoch)
field_mjd_r52585.4150 d Date of observation in r band (field_mjd_r) (Note 13)   (time.epoch)
field_mjd_i52585.4159 d Date of observation in i band (field_mjd_i) (Note 13)   (time.epoch)
field_mjd_z52585.4175 d Date of observation in z band (field_mjd_z) (Note 13)   (time.epoch)
SDSS16SDSS J081054.23+280320.3  (i) SDSS-DR16 name based on J2000 position; provided by CDS (meta.id)
SDSS-ID3462-301-6-0090-1133  (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)
MJD52585.4167 d Mean observation date (average calculated by CDS from the uMJD, gMJD, rMJD, iMJD, zMJD) (time.epoch)
  
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