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=246.274344 +40.928745, eq=ICRS, rs=2
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Note:

ColumnValue  Explain   (UCD)
_r0.000 arcsec Distance from center (246.274344+40.928745)[ICRS] (pos.angDistance)
_RAJ200016 25 05.84256 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+40 55 43.4820 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195016 23 25.09966 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+41 02 29.8679 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon064.83879365 deg Galactic longitude (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lon)
_Glat+44.38614044 deg Galactic latitude (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lat)

objID1237659326565581155  (i) SDSS unique object identifier (1) (links to online SDSS-DR16 data) (Note)   (meta.id;meta.main)
ra246.274344 deg (i) Right Ascension of the object (ICRS) (ra) (pos.eq.ra;meta.main)
dec+40.928745 deg (i) Declination of the object (ICRS) (dec) (pos.eq.dec;meta.main)
fieldID1237659326565580800  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 79792570954  Photo Object Attribute flags (Note 3)   (meta.code.error)
psfMag_u21.177 mag (i) [4/35] PSF magnitude in u band (psfMag_u) (Note 4)   (phot.mag;em.opt.U)
psfMag_g19.539 mag [3.7/37] PSF magnitude in g band (psfMag_g) (Note 4)   (phot.mag;em.opt.B)
psfMag_r18.885 mag [3.8/36] PSF magnitude in r band (psfMag_r) (Note 4)   (phot.mag;em.opt.R)
psfMag_i18.764 mag [2.6/34] PSF magnitude in i band (psfMag_i) (Note 4)   (phot.mag;em.opt.I)
psfMag_z18.426 mag [3.8/33.3] PSF magnitude in z band (psfMag_z) (Note 4)   (phot.mag;em.opt.I)
psfMagErr_u 0.076 mag [1.5e-5/100] Mean error on upmag (psfMagErr_u) (Note 4)   (stat.error;phot.mag)
psfMagErr_g 0.020 mag Mean error on gpmag (psfMagErr_g) (Note 4)   (stat.error;phot.mag)
psfMagErr_r 0.017 mag Mean error on rpmag (psfMagErr_r) (Note 4)   (stat.error;phot.mag)
psfMagErr_i 0.021 mag Mean error on ipmag (psfMagErr_i) (Note 4)   (stat.error;phot.mag)
psfMagErr_z 0.028 mag Mean error on zpmag (psfMagErr_z) (Note 4)   (stat.error;phot.mag)
petroMag_u16.297 mag [-0.4/47.2] Petrosian magnitude in u band (petroMag_u) (Note 4)   (phot.mag;em.opt.U)
petroMag_g15.076 mag [3.7/48] Petrosian magnitude in g band (petroMag_g) (Note 4)   (phot.mag;em.opt.B)
petroMag_r14.400 mag [1.3/48.6] Petrosian magnitude in r band (petroMag_r) (Note 4)   (phot.mag;em.opt.R)
petroMag_i14.584 mag [2.6/48.4] Petrosian magnitude in i band (petroMag_i) (Note 4)   (phot.mag;em.opt.I)
petroMag_z31.526 mag [-2.9/45.1] Petrosian magnitude in z band (petroMag_z) (Note 4)   (phot.mag;em.opt.I)
petroMagErr_u 0.465 mag [1e-7/100] Mean error in uPmag (petroMagErr_u) (Note 4)   (stat.error;phot.mag)
petroMagErr_g 0.600 mag [9.1e-9/100] Mean error in gPmag (petroMagErr_g) (Note 4)   (stat.error;phot.mag)
petroMagErr_r 0.606 mag Mean error in rPmag (petroMagErr_r) (Note 4)   (stat.error;phot.mag)
petroMagErr_i 0.376 mag Mean error in iPmag (petroMagErr_i) (Note 4)   (stat.error;phot.mag)
petroMagErr_z 0.978 mag Mean error in zPmag (petroMagErr_z) (Note 4)   (stat.error;phot.mag)
petroRad_u 14.779 arcsec [1.2e-6/261] Petrosian radius in u band (petroRad_u) (phys.angSize;src)
petroRad_g 14.745 arcsec [2.3e-6/261] Petrosian radius in g band (petroRad_g) (phys.angSize;src)
petroRad_r 56.930 arcsec [4.9e-6/260] Petrosian radius in r band (petroRad_r) (phys.angSize;src)
petroRad_i 14.746 arcsec [2.2e-6/263] Petrosian radius in i band (petroRad_i) (phys.angSize;src)
petroRad_z 13.791 arcsec [8.3e-7/261] Petrosian radius in z band (petroRad_z) (phys.angSize;src)
petroRadErr_u 0.692 arcsec [-1000/259] Mean error in rPrad (petroRadErr_u) (stat.error)
petroRadErr_g 0.208 arcsec [-1000/259] Mean error in rPrad (petroRadErr_g) (stat.error)
petroRadErr_r 24.635 arcsec [-1000/259] Mean error in rPrad (petroRadErr_r) (stat.error)
petroRadErr_i 0.154 arcsec [-1000/259] Mean error in rPrad (petroRadErr_i) (stat.error)
petroRadErr_z 0.240 arcsec [-1000/257] Mean error in rPrad (petroRadErr_z) (stat.error)
deVRad_u 29.669 arcsec [0/257] De Vaucouleurs fit radius u band (deVRad_u) (phys.angSize;src)
deVRad_g 22.441 arcsec [0/238] De Vaucouleurs fit radius g band (deVRad_g) (phys.angSize;src)
deVRad_r 19.671 arcsec [0/238] De Vaucouleurs fit radius r band (deVRad_r) (phys.angSize;src)
deVRad_i 19.005 arcsec [0/232] De Vaucouleurs fit radius i band (deVRad_i) (phys.angSize;src)
deVRad_z 19.108 arcsec [0/238] De Vaucouleurs fit radius z band (deVRad_z) (phys.angSize;src)
deVAB_u 0.889   [0.05/1] De Vaucouleurs fit b/a u band (deVAB_u) (phys.size.axisRatio)
deVAB_g 0.850   [0.05/1] De Vaucouleurs fit b/a g band (deVAB_g) (phys.size.axisRatio)
deVAB_r 0.870   [0.05/1] De Vaucouleurs fit b/a r band (deVAB_r) (phys.size.axisRatio)
deVAB_i 0.855   [0.05/1] De Vaucouleurs fit b/a i band (deVAB_i) (phys.size.axisRatio)
deVAB_z 0.804   [0.05/1] De Vaucouleurs fit b/a z band (deVAB_z) (phys.size.axisRatio)
deVPhi_u 179.9 deg [-10105/271] Position angle of dVrad in u band (deVPhi_u) (pos.posAng)
deVPhi_g 191.7 deg [-10105/271] Position angle of dVrad in g band (deVPhi_g) (pos.posAng)
deVPhi_r 191.4 deg [-10105/271] Position angle of dVrad in r band (deVPhi_r) (pos.posAng)
deVPhi_i 197.7 deg [-10105/271] Position angle of dVrad in i band (deVPhi_i) (pos.posAng)
deVPhi_z 198.0 deg [-10105/271] Position angle of dVrad in z band (deVPhi_z) (pos.posAng)
flags_u 275230261312  Detection flags u band (flags_u) (Note 3)   (meta.code)
flags_g 276841005154  Detection flags g band (flags_g) (Note 3)   (meta.code)
flags_r 4503875931472482  Detection flags r band (flags_r) (Note 3)   (meta.code)
flags_i 275767132258  Detection flags i band (flags_i) (Note 3)   (meta.code)
flags_z 275364479072  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 0.012 arcsec [0/51703] Mean error on RAdeg (raErr) (stat.error;pos.eq.ra)
decErr 0.012 arcsec [0/22795] Mean error on DEdeg (decErr) (stat.error;pos.eq.dec)
offsetRa_u 9.58 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 -0.04 arcsec Offset of i position along RA (offsetRa_i) (pos.angDistance)
offsetRa_z 15.82 arcsec Offset of z position along RA (offsetRa_z) (pos.angDistance)
offsetDec_u -4.34 arcsec Offset of u position along Dec (offsetDec_u) (pos.angDistance)
offsetDec_g 0.01 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 3.30 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)
u17.156 mag (i) [4/37.3] Model magnitude in u filter AB scale (u) (Note 7)   (phot.mag;em.opt.U)
g15.778 mag (i) [3.7/39.6] Model magnitude in g filter AB scale (g) (Note 7)   (phot.mag;em.opt.B)
r15.130 mag (i) [3.8/40.4] Model magnitude in r filter AB scale (r) (Note 7)   (phot.mag;em.opt.R)
i14.805 mag (i) [2.6/39.5] Model magnitude in i filter AB scale (i) (Note 7)   (phot.mag;em.opt.I)
z14.621 mag (i) [3.5/37.2] Model magnitude in z filter AB scale (z) (Note 7)   (phot.mag;em.opt.I)
err_u 0.019 mag [8.9e-8/3444] Mean error on umag (err_u) (stat.error;phot.mag)
err_g 0.004 mag [3.8e-8/5955] Mean error on gmag (err_g) (stat.error;phot.mag)
err_r 0.003 mag [5.2e-8/915] Mean error on rmag (err_r) (stat.error;phot.mag)
err_i 0.004 mag [0/634] Mean error on imag (err_i) (stat.error;phot.mag)
err_z 0.009 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_u52434.2732 d Date of observation in u band (field_mjd_u) (Note 13)   (time.epoch)
field_mjd_g52434.2749 d Date of observation in g band (field_mjd_g) (Note 13)   (time.epoch)
field_mjd_r52434.2716 d Date of observation in r band (field_mjd_r) (Note 13)   (time.epoch)
field_mjd_i52434.2724 d Date of observation in i band (field_mjd_i) (Note 13)   (time.epoch)
field_mjd_z52434.2741 d Date of observation in z band (field_mjd_z) (Note 13)   (time.epoch)
SDSS16SDSS J162505.84+405543.4  (i) SDSS-DR16 name based on J2000 position; provided by CDS (meta.id)
SDSS-ID3225-301-5-0228-0355  (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)
MJD52434.2732 d Mean observation date (average calculated by CDS from the uMJD, gMJD, rMJD, iMJD, zMJD) (time.epoch)
ColumnValue  Explain   (UCD)
_r0.027 arcsec Distance from center (246.274344+40.928745)[ICRS] (pos.angDistance)
_RAJ200016 25 05.84160 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+40 55 43.5072 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195016 23 25.09871 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+41 02 29.8931 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon064.83880347 deg Galactic longitude (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lon)
_Glat+44.38614343 deg Galactic latitude (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lat)

objID1237659326565581157  (i) SDSS unique object identifier (1) (links to online SDSS-DR16 data) (Note)   (meta.id;meta.main)
ra246.274340 deg (i) Right Ascension of the object (ICRS) (ra) (pos.eq.ra;meta.main)
dec+40.928752 deg (i) Declination of the object (ICRS) (dec) (pos.eq.dec;meta.main)
fieldID1237659326565580800  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 35253360136208  Photo Object Attribute flags (Note 3)   (meta.code.error)
psfMag_u21.206 mag (i) [4/35] PSF magnitude in u band (psfMag_u) (Note 4)   (phot.mag;em.opt.U)
psfMag_g19.549 mag [3.7/37] PSF magnitude in g band (psfMag_g) (Note 4)   (phot.mag;em.opt.B)
psfMag_r18.892 mag [3.8/36] PSF magnitude in r band (psfMag_r) (Note 4)   (phot.mag;em.opt.R)
psfMag_i18.771 mag [2.6/34] PSF magnitude in i band (psfMag_i) (Note 4)   (phot.mag;em.opt.I)
psfMag_z18.430 mag [3.8/33.3] PSF magnitude in z band (psfMag_z) (Note 4)   (phot.mag;em.opt.I)
psfMagErr_u 0.079 mag [1.5e-5/100] Mean error on upmag (psfMagErr_u) (Note 4)   (stat.error;phot.mag)
psfMagErr_g 0.020 mag Mean error on gpmag (psfMagErr_g) (Note 4)   (stat.error;phot.mag)
psfMagErr_r 0.017 mag Mean error on rpmag (psfMagErr_r) (Note 4)   (stat.error;phot.mag)
psfMagErr_i 0.022 mag Mean error on ipmag (psfMagErr_i) (Note 4)   (stat.error;phot.mag)
psfMagErr_z 0.029 mag Mean error on zpmag (psfMagErr_z) (Note 4)   (stat.error;phot.mag)
petroMag_u17.261 mag [-0.4/47.2] Petrosian magnitude in u band (petroMag_u) (Note 4)   (phot.mag;em.opt.U)
petroMag_g15.876 mag [3.7/48] Petrosian magnitude in g band (petroMag_g) (Note 4)   (phot.mag;em.opt.B)
petroMag_r15.257 mag [1.3/48.6] Petrosian magnitude in r band (petroMag_r) (Note 4)   (phot.mag;em.opt.R)
petroMag_i14.948 mag [2.6/48.4] Petrosian magnitude in i band (petroMag_i) (Note 4)   (phot.mag;em.opt.I)
petroMag_z14.803 mag [-2.9/45.1] Petrosian magnitude in z band (petroMag_z) (Note 4)   (phot.mag;em.opt.I)
petroMagErr_u 0.042 mag [1e-7/100] Mean error in uPmag (petroMagErr_u) (Note 4)   (stat.error;phot.mag)
petroMagErr_g 0.006 mag [9.1e-9/100] Mean error in gPmag (petroMagErr_g) (Note 4)   (stat.error;phot.mag)
petroMagErr_r 0.005 mag Mean error in rPmag (petroMagErr_r) (Note 4)   (stat.error;phot.mag)
petroMagErr_i 0.009 mag Mean error in iPmag (petroMagErr_i) (Note 4)   (stat.error;phot.mag)
petroMagErr_z 0.021 mag Mean error in zPmag (petroMagErr_z) (Note 4)   (stat.error;phot.mag)
petroRad_u 15.361 arcsec [1.2e-6/261] Petrosian radius in u band (petroRad_u) (phys.angSize;src)
petroRad_g 13.652 arcsec [2.3e-6/261] Petrosian radius in g band (petroRad_g) (phys.angSize;src)
petroRad_r 13.565 arcsec [4.9e-6/260] Petrosian radius in r band (petroRad_r) (phys.angSize;src)
petroRad_i 13.403 arcsec [2.2e-6/263] Petrosian radius in i band (petroRad_i) (phys.angSize;src)
petroRad_z 12.831 arcsec [8.3e-7/261] Petrosian radius in z band (petroRad_z) (phys.angSize;src)
petroRadErr_u 0.665 arcsec [-1000/259] Mean error in rPrad (petroRadErr_u) (stat.error)
petroRadErr_g 0.202 arcsec [-1000/259] Mean error in rPrad (petroRadErr_g) (stat.error)
petroRadErr_r 0.151 arcsec [-1000/259] Mean error in rPrad (petroRadErr_r) (stat.error)
petroRadErr_i 0.151 arcsec [-1000/259] Mean error in rPrad (petroRadErr_i) (stat.error)
petroRadErr_z 0.194 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 20.588 arcsec [0/238] De Vaucouleurs fit radius g band (deVRad_g) (phys.angSize;src)
deVRad_r 19.122 arcsec [0/238] De Vaucouleurs fit radius r band (deVRad_r) (phys.angSize;src)
deVRad_i 17.860 arcsec [0/232] De Vaucouleurs fit radius i band (deVRad_i) (phys.angSize;src)
deVRad_z 21.469 arcsec [0/238] De Vaucouleurs fit radius z band (deVRad_z) (phys.angSize;src)
deVAB_u 0.975   [0.05/1] De Vaucouleurs fit b/a u band (deVAB_u) (phys.size.axisRatio)
deVAB_g 0.810   [0.05/1] De Vaucouleurs fit b/a g band (deVAB_g) (phys.size.axisRatio)
deVAB_r 0.783   [0.05/1] De Vaucouleurs fit b/a r band (deVAB_r) (phys.size.axisRatio)
deVAB_i 0.777   [0.05/1] De Vaucouleurs fit b/a i band (deVAB_i) (phys.size.axisRatio)
deVAB_z 0.749   [0.05/1] De Vaucouleurs fit b/a z band (deVAB_z) (phys.size.axisRatio)
deVPhi_u 181.7 deg [-10105/271] Position angle of dVrad in u band (deVPhi_u) (pos.posAng)
deVPhi_g 187.6 deg [-10105/271] Position angle of dVrad in g band (deVPhi_g) (pos.posAng)
deVPhi_r 187.9 deg [-10105/271] Position angle of dVrad in r band (deVPhi_r) (pos.posAng)
deVPhi_i 189.6 deg [-10105/271] Position angle of dVrad in i band (deVPhi_i) (pos.posAng)
deVPhi_z 193.5 deg [-10105/271] Position angle of dVrad in z band (deVPhi_z) (pos.posAng)
flags_u 2252074960060432  Detection flags u band (flags_u) (Note 3)   (meta.code)
flags_g 2252074960195600  Detection flags g band (flags_g) (Note 3)   (meta.code)
flags_r 6755674587562000  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 2252074960060432  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 0.012 arcsec [0/51703] Mean error on RAdeg (raErr) (stat.error;pos.eq.ra)
decErr 0.012 arcsec [0/22795] Mean error on DEdeg (decErr) (stat.error;pos.eq.dec)
offsetRa_u 0.48 arcsec Offset of u position along RA (offsetRa_u) (pos.angDistance)
offsetRa_g 0.03 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 -0.03 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 -0.09 arcsec Offset of u position along Dec (offsetDec_u) (pos.angDistance)
offsetDec_g -0.01 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 -0.11 arcsec Offset of z position along Dec (offsetDec_z) (pos.angDistance)
parentID1237659326565581156  Pointer to parent (if object deblended) (meta.id.parent)
specObjID1318434609536460800  Pointer to the spectrum of object or 0 (specObjID) (Note 6)   (meta.id)
u17.438 mag (i) [4/37.3] Model magnitude in u filter AB scale (u) (Note 7)   (phot.mag;em.opt.U)
g15.887 mag (i) [3.7/39.6] Model magnitude in g filter AB scale (g) (Note 7)   (phot.mag;em.opt.B)
r15.236 mag (i) [3.8/40.4] Model magnitude in r filter AB scale (r) (Note 7)   (phot.mag;em.opt.R)
i14.912 mag (i) [2.6/39.5] Model magnitude in i filter AB scale (i) (Note 7)   (phot.mag;em.opt.I)
z14.707 mag (i) [3.5/37.2] Model magnitude in z filter AB scale (z) (Note 7)   (phot.mag;em.opt.I)
err_u 0.024 mag [8.9e-8/3444] Mean error on umag (err_u) (stat.error;phot.mag)
err_g 0.004 mag [3.8e-8/5955] Mean error on gmag (err_g) (stat.error;phot.mag)
err_r 0.003 mag [5.2e-8/915] Mean error on rmag (err_r) (stat.error;phot.mag)
err_i 0.004 mag [0/634] Mean error on imag (err_i) (stat.error;phot.mag)
err_z 0.009 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_instrumentSDSS   Spectral instrument used ("SDSS" or "BOSS") (spec_instrument) (Note 6)   (meta.id;instr)
spec_sourceTypeGALAXY   Source type (spec_sourceType) (6) (Note 8)   (src.class)
spec_z 0.02894  (i) [-0.012/7.06] Spectroscopic final redshift (when SpObjID>0) (spec_z) (Note 6)   (src.redshift)
spec_zErr 0.00003   [-6/30689] Mean error on zsp (negative for bad fit) (spec_zErr) (Note 6)   (stat.error)
spec_zWarning 0   [0/902] Zwarning flag (spec_zWarning) (6) (Note 9)   (meta.code)
spec_classGALAXY   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 55.154 km/s [0/850] Velocity dispersion (spec_velDisp) (Note 6)   (phys.veloc.dispersion)
spec_velDispErr 10.426 km/s [-7/4526] Mean error on Vdisp (spec_velDispErr) (Note 6)   (stat.error)
spec_snMedian 13.84   [-1927/132] Median signal-to-noise over all good pixels (spec_snMedian) (Note 6)   (em.wl.central;stat.median)
pm_match1   [0/4] Number of USNO-B objects matched within 1arcsec (pm_match) (Note 11)   (meta.number)
pm_pmRa 3.62 mas/yr [-6121/5519] Proper motion along Right Ascension (pm_pmRa) (Note 11)   (pos.pm;pos.eq.ra)
pm_pmDec 0.92 mas/yr [-4846/4437] Proper motion along Declination (pm_pmDec) (Note 11)   (pos.pm;pos.eq.dec)
pm_pmRaErr 2.60 mas/yr [0/4709] Mean error on pmRA (pm_pmRaErr) (Note 11)   (stat.error;pos.pm;pos.eq.ra)
pm_pmDecErr 2.60 mas/yr [0/4709] Mean error on pmDE (pm_pmDecErr) (Note 11)   (stat.error;pos.pm;pos.eq.dec)
pm_sigRa 121.63 mas [0/8662] RMS residual of proper motion fit in RA (pm_sigRa) (Note 11)   (stat.fit.residual)
pm_sigDec 310.09 mas [0/10625] RMS residual of proper motion fit in Dec (pm_sigDec) (Note 11)   (stat.fit.residual)
pm_nFit6   [0/6] Number of detections used in the pm fit including SDSS (pm_nFit) (Note 11)   (meta.number)
pm_O 13.4   [-214740/70189] Magnitude from USNO-B O plate recalibrated to SDSS g (pm_O) (Note 11)   (phot.mag;em.opt.B)
pm_E 11.6   Magnitude from E plate recalibrated to SDSS r (pm_E) (Note 11)   (phot.mag;em.opt.R)
pm_J 10.9   Magnitude from J plate recalibrated to SDSS g (pm_J) (Note 11)   (phot.mag;em.opt.B)
pm_F 10.3   Magnitude from F plate recalibrated to SDSS r (pm_F) (Note 11)   (phot.mag;em.opt.R)
pm_N 12.0   Magnitude from N plate recalibrated to SDSS i (pm_N) (Note 11)   (phot.mag;em.opt.I)
photoz_z 0.0339  (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 0.0159   [0.003/0.3] Estimated error of the photometric redshift (photoz_zErr) (Note 12)   (stat.error)
photoz_nnAvgZ 0.0383   [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 1.550   [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_u52434.2732 d Date of observation in u band (field_mjd_u) (Note 13)   (time.epoch)
field_mjd_g52434.2749 d Date of observation in g band (field_mjd_g) (Note 13)   (time.epoch)
field_mjd_r52434.2716 d Date of observation in r band (field_mjd_r) (Note 13)   (time.epoch)
field_mjd_i52434.2724 d Date of observation in i band (field_mjd_i) (Note 13)   (time.epoch)
field_mjd_z52434.2741 d Date of observation in z band (field_mjd_z) (Note 13)   (time.epoch)
SDSS16SDSS J162505.84+405543.5  (i) SDSS-DR16 name based on J2000 position; provided by CDS (meta.id)
SDSS-ID3225-301-5-0228-0357  (i) SDSS object identifier (run-rerun-camcol-field-object) (Note 1)   (meta.id)
Sp-ID 1171-52753-0021  (i) Spectroscopic Plate-MJD-Fiber identifier (plate-mjd-fiberID) (meta.id)
MJD52434.2732 d Mean observation date (average calculated by CDS from the uMJD, gMJD, rMJD, iMJD, zMJD) (time.epoch)
ColumnValue  Explain   (UCD)
_r0.029 arcsec Distance from center (246.274344+40.928745)[ICRS] (pos.angDistance)
_RAJ200016 25 05.84136 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+40 55 43.5072 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195016 23 25.09847 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+41 02 29.8932 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon064.83880347 deg Galactic longitude (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lon)
_Glat+44.38614419 deg Galactic latitude (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lat)

objID1237659326565581156  (i) SDSS unique object identifier (1) (links to online SDSS-DR16 data) (Note)   (meta.id;meta.main)
ra246.274339 deg (i) Right Ascension of the object (ICRS) (ra) (pos.eq.ra;meta.main)
dec+40.928752 deg (i) Declination of the object (ICRS) (dec) (pos.eq.dec;meta.main)
fieldID1237659326565580800  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 288153449660936  Photo Object Attribute flags (Note 3)   (meta.code.error)
psfMag_u21.179 mag (i) [4/35] PSF magnitude in u band (psfMag_u) (Note 4)   (phot.mag;em.opt.U)
psfMag_g19.538 mag [3.7/37] PSF magnitude in g band (psfMag_g) (Note 4)   (phot.mag;em.opt.B)
psfMag_r18.884 mag [3.8/36] PSF magnitude in r band (psfMag_r) (Note 4)   (phot.mag;em.opt.R)
psfMag_i18.761 mag [2.6/34] PSF magnitude in i band (psfMag_i) (Note 4)   (phot.mag;em.opt.I)
psfMag_z18.387 mag [3.8/33.3] PSF magnitude in z band (psfMag_z) (Note 4)   (phot.mag;em.opt.I)
psfMagErr_u 0.076 mag [1.5e-5/100] Mean error on upmag (psfMagErr_u) (Note 4)   (stat.error;phot.mag)
psfMagErr_g 0.020 mag Mean error on gpmag (psfMagErr_g) (Note 4)   (stat.error;phot.mag)
psfMagErr_r 0.016 mag Mean error on rpmag (psfMagErr_r) (Note 4)   (stat.error;phot.mag)
psfMagErr_i 0.021 mag Mean error on ipmag (psfMagErr_i) (Note 4)   (stat.error;phot.mag)
psfMagErr_z 0.027 mag Mean error on zpmag (psfMagErr_z) (Note 4)   (stat.error;phot.mag)
petroMag_u17.071 mag [-0.4/47.2] Petrosian magnitude in u band (petroMag_u) (Note 4)   (phot.mag;em.opt.U)
petroMag_g15.750 mag [3.7/48] Petrosian magnitude in g band (petroMag_g) (Note 4)   (phot.mag;em.opt.B)
petroMag_r15.122 mag [1.3/48.6] Petrosian magnitude in r band (petroMag_r) (Note 4)   (phot.mag;em.opt.R)
petroMag_i14.777 mag [2.6/48.4] Petrosian magnitude in i band (petroMag_i) (Note 4)   (phot.mag;em.opt.I)
petroMag_z14.573 mag [-2.9/45.1] Petrosian magnitude in z band (petroMag_z) (Note 4)   (phot.mag;em.opt.I)
petroMagErr_u 0.037 mag [1e-7/100] Mean error in uPmag (petroMagErr_u) (Note 4)   (stat.error;phot.mag)
petroMagErr_g 0.005 mag [9.1e-9/100] Mean error in gPmag (petroMagErr_g) (Note 4)   (stat.error;phot.mag)
petroMagErr_r 0.004 mag Mean error in rPmag (petroMagErr_r) (Note 4)   (stat.error;phot.mag)
petroMagErr_i 0.005 mag Mean error in iPmag (petroMagErr_i) (Note 4)   (stat.error;phot.mag)
petroMagErr_z 0.016 mag Mean error in zPmag (petroMagErr_z) (Note 4)   (stat.error;phot.mag)
petroRad_u 15.475 arcsec [1.2e-6/261] Petrosian radius in u band (petroRad_u) (phys.angSize;src)
petroRad_g 14.857 arcsec [2.3e-6/261] Petrosian radius in g band (petroRad_g) (phys.angSize;src)
petroRad_r 14.634 arcsec [4.9e-6/260] Petrosian radius in r band (petroRad_r) (phys.angSize;src)
petroRad_i 14.986 arcsec [2.2e-6/263] Petrosian radius in i band (petroRad_i) (phys.angSize;src)
petroRad_z 14.538 arcsec [8.3e-7/261] Petrosian radius in z band (petroRad_z) (phys.angSize;src)
petroRadErr_u 0.432 arcsec [-1000/259] Mean error in rPrad (petroRadErr_u) (stat.error)
petroRadErr_g 0.230 arcsec [-1000/259] Mean error in rPrad (petroRadErr_g) (stat.error)
petroRadErr_r 0.001 arcsec [-1000/259] Mean error in rPrad (petroRadErr_r) (stat.error)
petroRadErr_i 0.238 arcsec [-1000/259] Mean error in rPrad (petroRadErr_i) (stat.error)
petroRadErr_z 0.227 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 22.292 arcsec [0/238] De Vaucouleurs fit radius g band (deVRad_g) (phys.angSize;src)
deVRad_r 19.242 arcsec [0/238] De Vaucouleurs fit radius r band (deVRad_r) (phys.angSize;src)
deVRad_i 19.121 arcsec [0/232] De Vaucouleurs fit radius i band (deVRad_i) (phys.angSize;src)
deVRad_z 29.670 arcsec [0/238] De Vaucouleurs fit radius z band (deVRad_z) (phys.angSize;src)
deVAB_u 0.899   [0.05/1] De Vaucouleurs fit b/a u band (deVAB_u) (phys.size.axisRatio)
deVAB_g 0.850   [0.05/1] De Vaucouleurs fit b/a g band (deVAB_g) (phys.size.axisRatio)
deVAB_r 0.878   [0.05/1] De Vaucouleurs fit b/a r band (deVAB_r) (phys.size.axisRatio)
deVAB_i 0.879   [0.05/1] De Vaucouleurs fit b/a i band (deVAB_i) (phys.size.axisRatio)
deVAB_z 0.999   [0.05/1] De Vaucouleurs fit b/a z band (deVAB_z) (phys.size.axisRatio)
deVPhi_u 176.2 deg [-10105/271] Position angle of dVrad in u band (deVPhi_u) (pos.posAng)
deVPhi_g 191.1 deg [-10105/271] Position angle of dVrad in g band (deVPhi_g) (pos.posAng)
deVPhi_r 191.4 deg [-10105/271] Position angle of dVrad in r band (deVPhi_r) (pos.posAng)
deVPhi_i 197.2 deg [-10105/271] Position angle of dVrad in i band (deVPhi_i) (pos.posAng)
deVPhi_z 181.3 deg [-10105/271] Position angle of dVrad in z band (deVPhi_z) (pos.posAng)
flags_u 18019071786254344  Detection flags u band (flags_u) (Note 3)   (meta.code)
flags_g 276841005096  Detection flags g band (flags_g) (Note 3)   (meta.code)
flags_r 4503875931505192  Detection flags r band (flags_r) (Note 3)   (meta.code)
flags_i 275767132200  Detection flags i band (flags_i) (Note 3)   (meta.code)
flags_z 275364479016  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 0.012 arcsec [0/51703] Mean error on RAdeg (raErr) (stat.error;pos.eq.ra)
decErr 0.012 arcsec [0/22795] Mean error on DEdeg (decErr) (stat.error;pos.eq.dec)
offsetRa_u 9.63 arcsec Offset of u position along RA (offsetRa_u) (pos.angDistance)
offsetRa_g 0.03 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 -0.03 arcsec Offset of i position along RA (offsetRa_i) (pos.angDistance)
offsetRa_z 15.83 arcsec Offset of z position along RA (offsetRa_z) (pos.angDistance)
offsetDec_u -4.34 arcsec Offset of u position along Dec (offsetDec_u) (pos.angDistance)
offsetDec_g -0.01 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 3.27 arcsec Offset of z position along Dec (offsetDec_z) (pos.angDistance)
parentID1237659326565581155  Pointer to parent (if object deblended) (meta.id.parent)
specObjID0  Pointer to the spectrum of object or 0 (specObjID) (Note 6)   (meta.id)
u17.530 mag (i) [4/37.3] Model magnitude in u filter AB scale (u) (Note 7)   (phot.mag;em.opt.U)
g15.764 mag (i) [3.7/39.6] Model magnitude in g filter AB scale (g) (Note 7)   (phot.mag;em.opt.B)
r15.121 mag (i) [3.8/40.4] Model magnitude in r filter AB scale (r) (Note 7)   (phot.mag;em.opt.R)
i14.784 mag (i) [2.6/39.5] Model magnitude in i filter AB scale (i) (Note 7)   (phot.mag;em.opt.I)
z15.314 mag (i) [3.5/37.2] Model magnitude in z filter AB scale (z) (Note 7)   (phot.mag;em.opt.I)
err_u 0.026 mag [8.9e-8/3444] Mean error on umag (err_u) (stat.error;phot.mag)
err_g 0.004 mag [3.8e-8/5955] Mean error on gmag (err_g) (stat.error;phot.mag)
err_r 0.003 mag [5.2e-8/915] Mean error on rmag (err_r) (stat.error;phot.mag)
err_i 0.004 mag [0/634] Mean error on imag (err_i) (stat.error;phot.mag)
err_z 0.014 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_u52434.2732 d Date of observation in u band (field_mjd_u) (Note 13)   (time.epoch)
field_mjd_g52434.2749 d Date of observation in g band (field_mjd_g) (Note 13)   (time.epoch)
field_mjd_r52434.2716 d Date of observation in r band (field_mjd_r) (Note 13)   (time.epoch)
field_mjd_i52434.2724 d Date of observation in i band (field_mjd_i) (Note 13)   (time.epoch)
field_mjd_z52434.2741 d Date of observation in z band (field_mjd_z) (Note 13)   (time.epoch)
SDSS16SDSS J162505.84+405543.5  (i) SDSS-DR16 name based on J2000 position; provided by CDS (meta.id)
SDSS-ID3225-301-5-0228-0356  (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)
MJD52434.2732 d Mean observation date (average calculated by CDS from the uMJD, gMJD, rMJD, iMJD, zMJD) (time.epoch)
ColumnValue  Explain   (UCD)
_r0.032 arcsec Distance from center (246.274344+40.928745)[ICRS] (pos.angDistance)
_RAJ200016 25 05.84136 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+40 55 43.5108 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195016 23 25.09847 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+41 02 29.8968 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon064.83880487 deg Galactic longitude (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lon)
_Glat+44.38614418 deg Galactic latitude (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lat)

objID1237665354548707676  (i) SDSS unique object identifier (1) (links to online SDSS-DR16 data) (Note)   (meta.id;meta.main)
ra246.274339 deg (i) Right Ascension of the object (ICRS) (ra) (pos.eq.ra;meta.main)
dec+40.928753 deg (i) Declination of the object (ICRS) (dec) (pos.eq.dec;meta.main)
fieldID1237665354548707328  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 2278815826506  Photo Object Attribute flags (Note 3)   (meta.code.error)
psfMag_u20.685 mag (i) [4/35] PSF magnitude in u band (psfMag_u) (Note 4)   (phot.mag;em.opt.U)
psfMag_g19.056 mag [3.7/37] PSF magnitude in g band (psfMag_g) (Note 4)   (phot.mag;em.opt.B)
psfMag_r18.370 mag [3.8/36] PSF magnitude in r band (psfMag_r) (Note 4)   (phot.mag;em.opt.R)
psfMag_i18.061 mag [2.6/34] PSF magnitude in i band (psfMag_i) (Note 4)   (phot.mag;em.opt.I)
psfMag_z17.645 mag [3.8/33.3] PSF magnitude in z band (psfMag_z) (Note 4)   (phot.mag;em.opt.I)
psfMagErr_u 0.064 mag [1.5e-5/100] Mean error on upmag (psfMagErr_u) (Note 4)   (stat.error;phot.mag)
psfMagErr_g 0.017 mag Mean error on gpmag (psfMagErr_g) (Note 4)   (stat.error;phot.mag)
psfMagErr_r 0.013 mag Mean error on rpmag (psfMagErr_r) (Note 4)   (stat.error;phot.mag)
psfMagErr_i 0.014 mag Mean error on ipmag (psfMagErr_i) (Note 4)   (stat.error;phot.mag)
psfMagErr_z 0.021 mag Mean error on zpmag (psfMagErr_z) (Note 4)   (stat.error;phot.mag)
petroMag_u17.204 mag [-0.4/47.2] Petrosian magnitude in u band (petroMag_u) (Note 4)   (phot.mag;em.opt.U)
petroMag_g15.760 mag [3.7/48] Petrosian magnitude in g band (petroMag_g) (Note 4)   (phot.mag;em.opt.B)
petroMag_r15.156 mag [1.3/48.6] Petrosian magnitude in r band (petroMag_r) (Note 4)   (phot.mag;em.opt.R)
petroMag_i14.840 mag [2.6/48.4] Petrosian magnitude in i band (petroMag_i) (Note 4)   (phot.mag;em.opt.I)
petroMag_z14.352 mag [-2.9/45.1] Petrosian magnitude in z band (petroMag_z) (Note 4)   (phot.mag;em.opt.I)
petroMagErr_u 0.035 mag [1e-7/100] Mean error in uPmag (petroMagErr_u) (Note 4)   (stat.error;phot.mag)
petroMagErr_g 0.005 mag [9.1e-9/100] Mean error in gPmag (petroMagErr_g) (Note 4)   (stat.error;phot.mag)
petroMagErr_r 0.004 mag Mean error in rPmag (petroMagErr_r) (Note 4)   (stat.error;phot.mag)
petroMagErr_i 0.004 mag Mean error in iPmag (petroMagErr_i) (Note 4)   (stat.error;phot.mag)
petroMagErr_z 0.011 mag Mean error in zPmag (petroMagErr_z) (Note 4)   (stat.error;phot.mag)
petroRad_u 14.391 arcsec [1.2e-6/261] Petrosian radius in u band (petroRad_u) (phys.angSize;src)
petroRad_g 14.306 arcsec [2.3e-6/261] Petrosian radius in g band (petroRad_g) (phys.angSize;src)
petroRad_r 14.516 arcsec [4.9e-6/260] Petrosian radius in r band (petroRad_r) (phys.angSize;src)
petroRad_i 14.386 arcsec [2.2e-6/263] Petrosian radius in i band (petroRad_i) (phys.angSize;src)
petroRad_z 32.195 arcsec [8.3e-7/261] Petrosian radius in z band (petroRad_z) (phys.angSize;src)
petroRadErr_u 0.492 arcsec [-1000/259] Mean error in rPrad (petroRadErr_u) (stat.error)
petroRadErr_g 0.133 arcsec [-1000/259] Mean error in rPrad (petroRadErr_g) (stat.error)
petroRadErr_r 0.112 arcsec [-1000/259] Mean error in rPrad (petroRadErr_r) (stat.error)
petroRadErr_i 0.145 arcsec [-1000/259] Mean error in rPrad (petroRadErr_i) (stat.error)
petroRadErr_z 1.200 arcsec [-1000/257] Mean error in rPrad (petroRadErr_z) (stat.error)
deVRad_u 29.678 arcsec [0/257] De Vaucouleurs fit radius u band (deVRad_u) (phys.angSize;src)
deVRad_g 23.169 arcsec [0/238] De Vaucouleurs fit radius g band (deVRad_g) (phys.angSize;src)
deVRad_r 19.123 arcsec [0/238] De Vaucouleurs fit radius r band (deVRad_r) (phys.angSize;src)
deVRad_i 19.122 arcsec [0/232] De Vaucouleurs fit radius i band (deVRad_i) (phys.angSize;src)
deVRad_z 29.671 arcsec [0/238] De Vaucouleurs fit radius z band (deVRad_z) (phys.angSize;src)
deVAB_u 0.837   [0.05/1] De Vaucouleurs fit b/a u band (deVAB_u) (phys.size.axisRatio)
deVAB_g 0.829   [0.05/1] De Vaucouleurs fit b/a g band (deVAB_g) (phys.size.axisRatio)
deVAB_r 0.858   [0.05/1] De Vaucouleurs fit b/a r band (deVAB_r) (phys.size.axisRatio)
deVAB_i 0.876   [0.05/1] De Vaucouleurs fit b/a i band (deVAB_i) (phys.size.axisRatio)
deVAB_z 0.867   [0.05/1] De Vaucouleurs fit b/a z band (deVAB_z) (phys.size.axisRatio)
deVPhi_u 13.2 deg [-10105/271] Position angle of dVrad in u band (deVPhi_u) (pos.posAng)
deVPhi_g 10.6 deg [-10105/271] Position angle of dVrad in g band (deVPhi_g) (pos.posAng)
deVPhi_r 13.7 deg [-10105/271] Position angle of dVrad in r band (deVPhi_r) (pos.posAng)
deVPhi_i 13.0 deg [-10105/271] Position angle of dVrad in i band (deVPhi_i) (pos.posAng)
deVPhi_z 20.4 deg [-10105/271] Position angle of dVrad in z band (deVPhi_z) (pos.posAng)
flags_u 275213615168  Detection flags u band (flags_u) (Note 3)   (meta.code)
flags_g 275230228546  Detection flags g band (flags_g) (Note 3)   (meta.code)
flags_r 4503876451598402  Detection flags r band (flags_r) (Note 3)   (meta.code)
flags_i 275213484098  Detection flags i band (flags_i) (Note 3)   (meta.code)
flags_z 275364446786  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 0.012 arcsec [0/51703] Mean error on RAdeg (raErr) (stat.error;pos.eq.ra)
decErr 0.015 arcsec [0/22795] Mean error on DEdeg (decErr) (stat.error;pos.eq.dec)
offsetRa_u -0.05 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 -0.01 arcsec Offset of i position along RA (offsetRa_i) (pos.angDistance)
offsetRa_z -0.05 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 -0.01 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 0.06 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)
u17.163 mag (i) [4/37.3] Model magnitude in u filter AB scale (u) (Note 7)   (phot.mag;em.opt.U)
g15.785 mag (i) [3.7/39.6] Model magnitude in g filter AB scale (g) (Note 7)   (phot.mag;em.opt.B)
r15.133 mag (i) [3.8/40.4] Model magnitude in r filter AB scale (r) (Note 7)   (phot.mag;em.opt.R)
i14.797 mag (i) [2.6/39.5] Model magnitude in i filter AB scale (i) (Note 7)   (phot.mag;em.opt.I)
z14.481 mag (i) [3.5/37.2] Model magnitude in z filter AB scale (z) (Note 7)   (phot.mag;em.opt.I)
err_u 0.017 mag [8.9e-8/3444] Mean error on umag (err_u) (stat.error;phot.mag)
err_g 0.003 mag [3.8e-8/5955] Mean error on gmag (err_g) (stat.error;phot.mag)
err_r 0.003 mag [5.2e-8/915] Mean error on rmag (err_r) (stat.error;phot.mag)
err_i 0.003 mag [0/634] Mean error on imag (err_i) (stat.error;phot.mag)
err_z 0.006 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_u53138.4001 d Date of observation in u band (field_mjd_u) (Note 13)   (time.epoch)
field_mjd_g53138.4018 d Date of observation in g band (field_mjd_g) (Note 13)   (time.epoch)
field_mjd_r53138.3985 d Date of observation in r band (field_mjd_r) (Note 13)   (time.epoch)
field_mjd_i53138.3993 d Date of observation in i band (field_mjd_i) (Note 13)   (time.epoch)
field_mjd_z53138.4010 d Date of observation in z band (field_mjd_z) (Note 13)   (time.epoch)
SDSS16SDSS J162505.84+405543.5  (i) SDSS-DR16 name based on J2000 position; provided by CDS (meta.id)
SDSS-ID4629-301-1-0175-0348  (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)
MJD53138.4001 d Mean observation date (average calculated by CDS from the uMJD, gMJD, rMJD, iMJD, zMJD) (time.epoch)
ColumnValue  Explain   (UCD)
_r0.072 arcsec Distance from center (246.274344+40.928745)[ICRS] (pos.angDistance)
_RAJ200016 25 05.83920 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+40 55 43.5432 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195016 23 25.09633 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+41 02 29.9293 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon064.83881750 deg Galactic longitude (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lon)
_Glat+44.38615094 deg Galactic latitude (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lat)

objID1237655471820112087  (i) SDSS unique object identifier (1) (links to online SDSS-DR16 data) (Note)   (meta.id;meta.main)
ra246.274330 deg (i) Right Ascension of the object (ICRS) (ra) (pos.eq.ra;meta.main)
dec+40.928762 deg (i) Declination of the object (ICRS) (dec) (pos.eq.dec;meta.main)
fieldID1237655471820111872  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 35253394210836  Photo Object Attribute flags (Note 3)   (meta.code.error)
psfMag_u20.753 mag (i) [4/35] PSF magnitude in u band (psfMag_u) (Note 4)   (phot.mag;em.opt.U)
psfMag_g19.162 mag [3.7/37] PSF magnitude in g band (psfMag_g) (Note 4)   (phot.mag;em.opt.B)
psfMag_r18.538 mag [3.8/36] PSF magnitude in r band (psfMag_r) (Note 4)   (phot.mag;em.opt.R)
psfMag_i18.381 mag [2.6/34] PSF magnitude in i band (psfMag_i) (Note 4)   (phot.mag;em.opt.I)
psfMag_z17.957 mag [3.8/33.3] PSF magnitude in z band (psfMag_z) (Note 4)   (phot.mag;em.opt.I)
psfMagErr_u 0.062 mag [1.5e-5/100] Mean error on upmag (psfMagErr_u) (Note 4)   (stat.error;phot.mag)
psfMagErr_g 0.023 mag Mean error on gpmag (psfMagErr_g) (Note 4)   (stat.error;phot.mag)
psfMagErr_r 0.024 mag Mean error on rpmag (psfMagErr_r) (Note 4)   (stat.error;phot.mag)
psfMagErr_i 0.029 mag Mean error on ipmag (psfMagErr_i) (Note 4)   (stat.error;phot.mag)
psfMagErr_z 0.035 mag Mean error on zpmag (psfMagErr_z) (Note 4)   (stat.error;phot.mag)
petroMag_u20.580 mag [-0.4/47.2] Petrosian magnitude in u band (petroMag_u) (Note 4)   (phot.mag;em.opt.U)
petroMag_g18.433 mag [3.7/48] Petrosian magnitude in g band (petroMag_g) (Note 4)   (phot.mag;em.opt.B)
petroMag_r17.727 mag [1.3/48.6] Petrosian magnitude in r band (petroMag_r) (Note 4)   (phot.mag;em.opt.R)
petroMag_i17.416 mag [2.6/48.4] Petrosian magnitude in i band (petroMag_i) (Note 4)   (phot.mag;em.opt.I)
petroMag_z17.217 mag [-2.9/45.1] Petrosian magnitude in z band (petroMag_z) (Note 4)   (phot.mag;em.opt.I)
petroMagErr_u 0.131 mag [1e-7/100] Mean error in uPmag (petroMagErr_u) (Note 4)   (stat.error;phot.mag)
petroMagErr_g 0.025 mag [9.1e-9/100] Mean error in gPmag (petroMagErr_g) (Note 4)   (stat.error;phot.mag)
petroMagErr_r 0.027 mag Mean error in rPmag (petroMagErr_r) (Note 4)   (stat.error;phot.mag)
petroMagErr_i 0.042 mag Mean error in iPmag (petroMagErr_i) (Note 4)   (stat.error;phot.mag)
petroMagErr_z 0.043 mag Mean error in zPmag (petroMagErr_z) (Note 4)   (stat.error;phot.mag)
petroRad_u 1.867 arcsec [1.2e-6/261] Petrosian radius in u band (petroRad_u) (phys.angSize;src)
petroRad_g 2.476 arcsec [2.3e-6/261] Petrosian radius in g band (petroRad_g) (phys.angSize;src)
petroRad_r 2.452 arcsec [4.9e-6/260] Petrosian radius in r band (petroRad_r) (phys.angSize;src)
petroRad_i 2.404 arcsec [2.2e-6/263] Petrosian radius in i band (petroRad_i) (phys.angSize;src)
petroRad_z 2.325 arcsec [8.3e-7/261] Petrosian radius in z band (petroRad_z) (phys.angSize;src)
petroRadErr_u 4.628 arcsec [-1000/259] Mean error in rPrad (petroRadErr_u) (stat.error)
petroRadErr_g 0.018 arcsec [-1000/259] Mean error in rPrad (petroRadErr_g) (stat.error)
petroRadErr_r 0.006 arcsec [-1000/259] Mean error in rPrad (petroRadErr_r) (stat.error)
petroRadErr_i 0.013 arcsec [-1000/259] Mean error in rPrad (petroRadErr_i) (stat.error)
petroRadErr_z 0.025 arcsec [-1000/257] Mean error in rPrad (petroRadErr_z) (stat.error)
deVRad_u 0.458 arcsec [0/257] De Vaucouleurs fit radius u band (deVRad_u) (phys.angSize;src)
deVRad_g 1.278 arcsec [0/238] De Vaucouleurs fit radius g band (deVRad_g) (phys.angSize;src)
deVRad_r 1.434 arcsec [0/238] De Vaucouleurs fit radius r band (deVRad_r) (phys.angSize;src)
deVRad_i 1.705 arcsec [0/232] De Vaucouleurs fit radius i band (deVRad_i) (phys.angSize;src)
deVRad_z 1.370 arcsec [0/238] De Vaucouleurs fit radius z band (deVRad_z) (phys.angSize;src)
deVAB_u 0.982   [0.05/1] De Vaucouleurs fit b/a u band (deVAB_u) (phys.size.axisRatio)
deVAB_g 0.751   [0.05/1] De Vaucouleurs fit b/a g band (deVAB_g) (phys.size.axisRatio)
deVAB_r 0.722   [0.05/1] De Vaucouleurs fit b/a r band (deVAB_r) (phys.size.axisRatio)
deVAB_i 0.703   [0.05/1] De Vaucouleurs fit b/a i band (deVAB_i) (phys.size.axisRatio)
deVAB_z 0.924   [0.05/1] De Vaucouleurs fit b/a z band (deVAB_z) (phys.size.axisRatio)
deVPhi_u 190.6 deg [-10105/271] Position angle of dVrad in u band (deVPhi_u) (pos.posAng)
deVPhi_g 184.4 deg [-10105/271] Position angle of dVrad in g band (deVPhi_g) (pos.posAng)
deVPhi_r 186.4 deg [-10105/271] Position angle of dVrad in r band (deVPhi_r) (pos.posAng)
deVPhi_i 184.1 deg [-10105/271] Position angle of dVrad in i band (deVPhi_i) (pos.posAng)
deVPhi_z 162.8 deg [-10105/271] Position angle of dVrad in z band (deVPhi_z) (pos.posAng)
flags_u 275180453908  Detection flags u band (flags_u) (Note 3)   (meta.code)
flags_g 275180453908  Detection flags g band (flags_g) (Note 3)   (meta.code)
flags_r 4503874807791636  Detection flags r band (flags_r) (Note 3)   (meta.code)
flags_i 275180421140  Detection flags i band (flags_i) (Note 3)   (meta.code)
flags_z 275180421140  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 0.012 arcsec [0/51703] Mean error on RAdeg (raErr) (stat.error;pos.eq.ra)
decErr 0.012 arcsec [0/22795] Mean error on DEdeg (decErr) (stat.error;pos.eq.dec)
offsetRa_u -0.24 arcsec Offset of u position along RA (offsetRa_u) (pos.angDistance)
offsetRa_g 0.05 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 0.03 arcsec Offset of i position along RA (offsetRa_i) (pos.angDistance)
offsetRa_z 0.04 arcsec Offset of z position along RA (offsetRa_z) (pos.angDistance)
offsetDec_u 0.02 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 0.00 arcsec Offset of i position along Dec (offsetDec_i) (pos.angDistance)
offsetDec_z 0.02 arcsec Offset of z position along Dec (offsetDec_z) (pos.angDistance)
parentID1237655471820112083  Pointer to parent (if object deblended) (meta.id.parent)
specObjID0  Pointer to the spectrum of object or 0 (specObjID) (Note 6)   (meta.id)
u20.238 mag (i) [4/37.3] Model magnitude in u filter AB scale (u) (Note 7)   (phot.mag;em.opt.U)
g18.349 mag (i) [3.7/39.6] Model magnitude in g filter AB scale (g) (Note 7)   (phot.mag;em.opt.B)
r17.648 mag (i) [3.8/40.4] Model magnitude in r filter AB scale (r) (Note 7)   (phot.mag;em.opt.R)
i17.333 mag (i) [2.6/39.5] Model magnitude in i filter AB scale (i) (Note 7)   (phot.mag;em.opt.I)
z17.067 mag (i) [3.5/37.2] Model magnitude in z filter AB scale (z) (Note 7)   (phot.mag;em.opt.I)
err_u 0.058 mag [8.9e-8/3444] Mean error on umag (err_u) (stat.error;phot.mag)
err_g 0.008 mag [3.8e-8/5955] Mean error on gmag (err_g) (stat.error;phot.mag)
err_r 0.006 mag [5.2e-8/915] Mean error on rmag (err_r) (stat.error;phot.mag)
err_i 0.006 mag [0/634] Mean error on imag (err_i) (stat.error;phot.mag)
err_z 0.014 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_match1   [0/4] Number of USNO-B objects matched within 1arcsec (pm_match) (Note 11)   (meta.number)
pm_pmRa 3.74 mas/yr [-6121/5519] Proper motion along Right Ascension (pm_pmRa) (Note 11)   (pos.pm;pos.eq.ra)
pm_pmDec 3.14 mas/yr [-4846/4437] Proper motion along Declination (pm_pmDec) (Note 11)   (pos.pm;pos.eq.dec)
pm_pmRaErr 2.66 mas/yr [0/4709] Mean error on pmRA (pm_pmRaErr) (Note 11)   (stat.error;pos.pm;pos.eq.ra)
pm_pmDecErr 2.66 mas/yr [0/4709] Mean error on pmDE (pm_pmDecErr) (Note 11)   (stat.error;pos.pm;pos.eq.dec)
pm_sigRa 152.07 mas [0/8662] RMS residual of proper motion fit in RA (pm_sigRa) (Note 11)   (stat.fit.residual)
pm_sigDec 339.12 mas [0/10625] RMS residual of proper motion fit in Dec (pm_sigDec) (Note 11)   (stat.fit.residual)
pm_nFit6   [0/6] Number of detections used in the pm fit including SDSS (pm_nFit) (Note 11)   (meta.number)
pm_O 13.0   [-214740/70189] Magnitude from USNO-B O plate recalibrated to SDSS g (pm_O) (Note 11)   (phot.mag;em.opt.B)
pm_E 11.2   Magnitude from E plate recalibrated to SDSS r (pm_E) (Note 11)   (phot.mag;em.opt.R)
pm_J 10.9   Magnitude from J plate recalibrated to SDSS g (pm_J) (Note 11)   (phot.mag;em.opt.B)
pm_F 10.2   Magnitude from F plate recalibrated to SDSS r (pm_F) (Note 11)   (phot.mag;em.opt.R)
pm_N 12.0   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_u52052.3668 d Date of observation in u band (field_mjd_u) (Note 13)   (time.epoch)
field_mjd_g52052.3685 d Date of observation in g band (field_mjd_g) (Note 13)   (time.epoch)
field_mjd_r52052.3652 d Date of observation in r band (field_mjd_r) (Note 13)   (time.epoch)
field_mjd_i52052.3660 d Date of observation in i band (field_mjd_i) (Note 13)   (time.epoch)
field_mjd_z52052.3676 d Date of observation in z band (field_mjd_z) (Note 13)   (time.epoch)
SDSS16SDSS J162505.83+405543.5  (i) SDSS-DR16 name based on J2000 position; provided by CDS (meta.id)
SDSS-ID2328-301-1-0040-0215  (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)
MJD52052.3668 d Mean observation date (average calculated by CDS from the uMJD, gMJD, rMJD, iMJD, zMJD) (time.epoch)
ColumnValue  Explain   (UCD)
_r0.114 arcsec Distance from center (246.274344+40.928745)[ICRS] (pos.angDistance)
_RAJ200016 25 05.83632 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+40 55 43.5720 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195016 23 25.09346 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+41 02 29.9583 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon064.83882875 deg Galactic longitude (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lon)
_Glat+44.38615998 deg Galactic latitude (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lat)

objID1237665354548707677  (i) SDSS unique object identifier (1) (links to online SDSS-DR16 data) (Note)   (meta.id;meta.main)
ra246.274318 deg (i) Right Ascension of the object (ICRS) (ra) (pos.eq.ra;meta.main)
dec+40.928770 deg (i) Declination of the object (ICRS) (dec) (pos.eq.dec;meta.main)
fieldID1237665354548707328  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 6815911903752  Photo Object Attribute flags (Note 3)   (meta.code.error)
psfMag_u20.691 mag (i) [4/35] PSF magnitude in u band (psfMag_u) (Note 4)   (phot.mag;em.opt.U)
psfMag_g19.056 mag [3.7/37] PSF magnitude in g band (psfMag_g) (Note 4)   (phot.mag;em.opt.B)
psfMag_r18.367 mag [3.8/36] PSF magnitude in r band (psfMag_r) (Note 4)   (phot.mag;em.opt.R)
psfMag_i18.059 mag [2.6/34] PSF magnitude in i band (psfMag_i) (Note 4)   (phot.mag;em.opt.I)
psfMag_z17.647 mag [3.8/33.3] PSF magnitude in z band (psfMag_z) (Note 4)   (phot.mag;em.opt.I)
psfMagErr_u 0.054 mag [1.5e-5/100] Mean error on upmag (psfMagErr_u) (Note 4)   (stat.error;phot.mag)
psfMagErr_g 0.017 mag Mean error on gpmag (psfMagErr_g) (Note 4)   (stat.error;phot.mag)
psfMagErr_r 0.013 mag Mean error on rpmag (psfMagErr_r) (Note 4)   (stat.error;phot.mag)
psfMagErr_i 0.014 mag Mean error on ipmag (psfMagErr_i) (Note 4)   (stat.error;phot.mag)
psfMagErr_z 0.021 mag Mean error on zpmag (psfMagErr_z) (Note 4)   (stat.error;phot.mag)
petroMag_u17.077 mag [-0.4/47.2] Petrosian magnitude in u band (petroMag_u) (Note 4)   (phot.mag;em.opt.U)
petroMag_g15.768 mag [3.7/48] Petrosian magnitude in g band (petroMag_g) (Note 4)   (phot.mag;em.opt.B)
petroMag_r15.110 mag [1.3/48.6] Petrosian magnitude in r band (petroMag_r) (Note 4)   (phot.mag;em.opt.R)
petroMag_i14.797 mag [2.6/48.4] Petrosian magnitude in i band (petroMag_i) (Note 4)   (phot.mag;em.opt.I)
petroMag_z14.460 mag [-2.9/45.1] Petrosian magnitude in z band (petroMag_z) (Note 4)   (phot.mag;em.opt.I)
petroMagErr_u 0.032 mag [1e-7/100] Mean error in uPmag (petroMagErr_u) (Note 4)   (stat.error;phot.mag)
petroMagErr_g 0.005 mag [9.1e-9/100] Mean error in gPmag (petroMagErr_g) (Note 4)   (stat.error;phot.mag)
petroMagErr_r 0.004 mag Mean error in rPmag (petroMagErr_r) (Note 4)   (stat.error;phot.mag)
petroMagErr_i 0.004 mag Mean error in iPmag (petroMagErr_i) (Note 4)   (stat.error;phot.mag)
petroMagErr_z 0.012 mag Mean error in zPmag (petroMagErr_z) (Note 4)   (stat.error;phot.mag)
petroRad_u 15.000 arcsec [1.2e-6/261] Petrosian radius in u band (petroRad_u) (phys.angSize;src)
petroRad_g 14.380 arcsec [2.3e-6/261] Petrosian radius in g band (petroRad_g) (phys.angSize;src)
petroRad_r 14.825 arcsec [4.9e-6/260] Petrosian radius in r band (petroRad_r) (phys.angSize;src)
petroRad_i 14.580 arcsec [2.2e-6/263] Petrosian radius in i band (petroRad_i) (phys.angSize;src)
petroRad_z 46.495 arcsec [8.3e-7/261] Petrosian radius in z band (petroRad_z) (phys.angSize;src)
petroRadErr_u 0.808 arcsec [-1000/259] Mean error in rPrad (petroRadErr_u) (stat.error)
petroRadErr_g 0.145 arcsec [-1000/259] Mean error in rPrad (petroRadErr_g) (stat.error)
petroRadErr_r 0.069 arcsec [-1000/259] Mean error in rPrad (petroRadErr_r) (stat.error)
petroRadErr_i 0.141 arcsec [-1000/259] Mean error in rPrad (petroRadErr_i) (stat.error)
petroRadErr_z 3.449 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 23.518 arcsec [0/238] De Vaucouleurs fit radius g band (deVRad_g) (phys.angSize;src)
deVRad_r 19.290 arcsec [0/238] De Vaucouleurs fit radius r band (deVRad_r) (phys.angSize;src)
deVRad_i 19.124 arcsec [0/232] De Vaucouleurs fit radius i band (deVRad_i) (phys.angSize;src)
deVRad_z 25.589 arcsec [0/238] De Vaucouleurs fit radius z band (deVRad_z) (phys.angSize;src)
deVAB_u 0.925   [0.05/1] De Vaucouleurs fit b/a u band (deVAB_u) (phys.size.axisRatio)
deVAB_g 0.811   [0.05/1] De Vaucouleurs fit b/a g band (deVAB_g) (phys.size.axisRatio)
deVAB_r 0.886   [0.05/1] De Vaucouleurs fit b/a r band (deVAB_r) (phys.size.axisRatio)
deVAB_i 0.885   [0.05/1] De Vaucouleurs fit b/a i band (deVAB_i) (phys.size.axisRatio)
deVAB_z 0.861   [0.05/1] De Vaucouleurs fit b/a z band (deVAB_z) (phys.size.axisRatio)
deVPhi_u 8.2 deg [-10105/271] Position angle of dVrad in u band (deVPhi_u) (pos.posAng)
deVPhi_g 11.7 deg [-10105/271] Position angle of dVrad in g band (deVPhi_g) (pos.posAng)
deVPhi_r 13.6 deg [-10105/271] Position angle of dVrad in r band (deVPhi_r) (pos.posAng)
deVPhi_i 13.2 deg [-10105/271] Position angle of dVrad in i band (deVPhi_i) (pos.posAng)
deVPhi_z 18.5 deg [-10105/271] Position angle of dVrad in z band (deVPhi_z) (pos.posAng)
flags_u 9011872514867208  Detection flags u band (flags_u) (Note 3)   (meta.code)
flags_g 275230261256  Detection flags g band (flags_g) (Note 3)   (meta.code)
flags_r 4508274498109448  Detection flags r band (flags_r) (Note 3)   (meta.code)
flags_i 275213484040  Detection flags i band (flags_i) (Note 3)   (meta.code)
flags_z 4673410990600  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 0.012 arcsec [0/51703] Mean error on RAdeg (raErr) (stat.error;pos.eq.ra)
decErr 0.015 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 0.00 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 0.00 arcsec Offset of i position along RA (offsetRa_i) (pos.angDistance)
offsetRa_z 0.00 arcsec Offset of z position along RA (offsetRa_z) (pos.angDistance)
offsetDec_u 0.23 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 0.08 arcsec Offset of z position along Dec (offsetDec_z) (pos.angDistance)
parentID1237665354548707676  Pointer to parent (if object deblended) (meta.id.parent)
specObjID0  Pointer to the spectrum of object or 0 (specObjID) (Note 6)   (meta.id)
u17.153 mag (i) [4/37.3] Model magnitude in u filter AB scale (u) (Note 7)   (phot.mag;em.opt.U)
g15.762 mag (i) [3.7/39.6] Model magnitude in g filter AB scale (g) (Note 7)   (phot.mag;em.opt.B)
r15.100 mag (i) [3.8/40.4] Model magnitude in r filter AB scale (r) (Note 7)   (phot.mag;em.opt.R)
i14.764 mag (i) [2.6/39.5] Model magnitude in i filter AB scale (i) (Note 7)   (phot.mag;em.opt.I)
z14.484 mag (i) [3.5/37.2] Model magnitude in z filter AB scale (z) (Note 7)   (phot.mag;em.opt.I)
err_u 0.017 mag [8.9e-8/3444] Mean error on umag (err_u) (stat.error;phot.mag)
err_g 0.003 mag [3.8e-8/5955] Mean error on gmag (err_g) (stat.error;phot.mag)
err_r 0.003 mag [5.2e-8/915] Mean error on rmag (err_r) (stat.error;phot.mag)
err_i 0.003 mag [0/634] Mean error on imag (err_i) (stat.error;phot.mag)
err_z 0.006 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_u53138.4001 d Date of observation in u band (field_mjd_u) (Note 13)   (time.epoch)
field_mjd_g53138.4018 d Date of observation in g band (field_mjd_g) (Note 13)   (time.epoch)
field_mjd_r53138.3985 d Date of observation in r band (field_mjd_r) (Note 13)   (time.epoch)
field_mjd_i53138.3993 d Date of observation in i band (field_mjd_i) (Note 13)   (time.epoch)
field_mjd_z53138.4010 d Date of observation in z band (field_mjd_z) (Note 13)   (time.epoch)
SDSS16SDSS J162505.83+405543.5  (i) SDSS-DR16 name based on J2000 position; provided by CDS (meta.id)
SDSS-ID4629-301-1-0175-0349  (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)
MJD53138.4001 d Mean observation date (average calculated by CDS from the uMJD, gMJD, rMJD, iMJD, zMJD) (time.epoch)
ColumnValue  Explain   (UCD)
_r0.114 arcsec Distance from center (246.274344+40.928745)[ICRS] (pos.angDistance)
_RAJ200016 25 05.83632 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+40 55 43.5720 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195016 23 25.09346 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+41 02 29.9583 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon064.83882875 deg Galactic longitude (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lon)
_Glat+44.38615998 deg Galactic latitude (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lat)

objID1237665354548707678  (i) SDSS unique object identifier (1) (links to online SDSS-DR16 data) (Note)   (meta.id;meta.main)
ra246.274318 deg (i) Right Ascension of the object (ICRS) (ra) (pos.eq.ra;meta.main)
dec+40.928770 deg (i) Declination of the object (ICRS) (dec) (pos.eq.dec;meta.main)
fieldID1237665354548707328  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 35253360136720  Photo Object Attribute flags (Note 3)   (meta.code.error)
psfMag_u20.693 mag (i) [4/35] PSF magnitude in u band (psfMag_u) (Note 4)   (phot.mag;em.opt.U)
psfMag_g19.056 mag [3.7/37] PSF magnitude in g band (psfMag_g) (Note 4)   (phot.mag;em.opt.B)
psfMag_r18.367 mag [3.8/36] PSF magnitude in r band (psfMag_r) (Note 4)   (phot.mag;em.opt.R)
psfMag_i18.059 mag [2.6/34] PSF magnitude in i band (psfMag_i) (Note 4)   (phot.mag;em.opt.I)
psfMag_z17.648 mag [3.8/33.3] PSF magnitude in z band (psfMag_z) (Note 4)   (phot.mag;em.opt.I)
psfMagErr_u 0.055 mag [1.5e-5/100] Mean error on upmag (psfMagErr_u) (Note 4)   (stat.error;phot.mag)
psfMagErr_g 0.017 mag Mean error on gpmag (psfMagErr_g) (Note 4)   (stat.error;phot.mag)
psfMagErr_r 0.013 mag Mean error on rpmag (psfMagErr_r) (Note 4)   (stat.error;phot.mag)
psfMagErr_i 0.015 mag Mean error on ipmag (psfMagErr_i) (Note 4)   (stat.error;phot.mag)
psfMagErr_z 0.021 mag Mean error on zpmag (psfMagErr_z) (Note 4)   (stat.error;phot.mag)
petroMag_u17.182 mag [-0.4/47.2] Petrosian magnitude in u band (petroMag_u) (Note 4)   (phot.mag;em.opt.U)
petroMag_g15.817 mag [3.7/48] Petrosian magnitude in g band (petroMag_g) (Note 4)   (phot.mag;em.opt.B)
petroMag_r15.157 mag [1.3/48.6] Petrosian magnitude in r band (petroMag_r) (Note 4)   (phot.mag;em.opt.R)
petroMag_i14.895 mag [2.6/48.4] Petrosian magnitude in i band (petroMag_i) (Note 4)   (phot.mag;em.opt.I)
petroMag_z14.583 mag [-2.9/45.1] Petrosian magnitude in z band (petroMag_z) (Note 4)   (phot.mag;em.opt.I)
petroMagErr_u 0.035 mag [1e-7/100] Mean error in uPmag (petroMagErr_u) (Note 4)   (stat.error;phot.mag)
petroMagErr_g 0.006 mag [9.1e-9/100] Mean error in gPmag (petroMagErr_g) (Note 4)   (stat.error;phot.mag)
petroMagErr_r 0.004 mag Mean error in rPmag (petroMagErr_r) (Note 4)   (stat.error;phot.mag)
petroMagErr_i 0.007 mag Mean error in iPmag (petroMagErr_i) (Note 4)   (stat.error;phot.mag)
petroMagErr_z 0.015 mag Mean error in zPmag (petroMagErr_z) (Note 4)   (stat.error;phot.mag)
petroRad_u 14.930 arcsec [1.2e-6/261] Petrosian radius in u band (petroRad_u) (phys.angSize;src)
petroRad_g 14.142 arcsec [2.3e-6/261] Petrosian radius in g band (petroRad_g) (phys.angSize;src)
petroRad_r 14.616 arcsec [4.9e-6/260] Petrosian radius in r band (petroRad_r) (phys.angSize;src)
petroRad_i 13.813 arcsec [2.2e-6/263] Petrosian radius in i band (petroRad_i) (phys.angSize;src)
petroRad_z 44.629 arcsec [8.3e-7/261] Petrosian radius in z band (petroRad_z) (phys.angSize;src)
petroRadErr_u 0.471 arcsec [-1000/259] Mean error in rPrad (petroRadErr_u) (stat.error)
petroRadErr_g 0.122 arcsec [-1000/259] Mean error in rPrad (petroRadErr_g) (stat.error)
petroRadErr_r 0.128 arcsec [-1000/259] Mean error in rPrad (petroRadErr_r) (stat.error)
petroRadErr_i 0.107 arcsec [-1000/259] Mean error in rPrad (petroRadErr_i) (stat.error)
petroRadErr_z 3.355 arcsec [-1000/257] Mean error in rPrad (petroRadErr_z) (stat.error)
deVRad_u 29.679 arcsec [0/257] De Vaucouleurs fit radius u band (deVRad_u) (phys.angSize;src)
deVRad_g 22.899 arcsec [0/238] De Vaucouleurs fit radius g band (deVRad_g) (phys.angSize;src)
deVRad_r 19.126 arcsec [0/238] De Vaucouleurs fit radius r band (deVRad_r) (phys.angSize;src)
deVRad_i 19.120 arcsec [0/232] De Vaucouleurs fit radius i band (deVRad_i) (phys.angSize;src)
deVRad_z 23.863 arcsec [0/238] De Vaucouleurs fit radius z band (deVRad_z) (phys.angSize;src)
deVAB_u 0.816   [0.05/1] De Vaucouleurs fit b/a u band (deVAB_u) (phys.size.axisRatio)
deVAB_g 0.786   [0.05/1] De Vaucouleurs fit b/a g band (deVAB_g) (phys.size.axisRatio)
deVAB_r 0.849   [0.05/1] De Vaucouleurs fit b/a r band (deVAB_r) (phys.size.axisRatio)
deVAB_i 0.809   [0.05/1] De Vaucouleurs fit b/a i band (deVAB_i) (phys.size.axisRatio)
deVAB_z 0.797   [0.05/1] De Vaucouleurs fit b/a z band (deVAB_z) (phys.size.axisRatio)
deVPhi_u 10.8 deg [-10105/271] Position angle of dVrad in u band (deVPhi_u) (pos.posAng)
deVPhi_g 10.8 deg [-10105/271] Position angle of dVrad in g band (deVPhi_g) (pos.posAng)
deVPhi_r 11.3 deg [-10105/271] Position angle of dVrad in r band (deVPhi_r) (pos.posAng)
deVPhi_i 6.5 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 11259274214932496  Detection flags u band (flags_u) (Note 3)   (meta.code)
flags_g 2252074960060432  Detection flags g band (flags_g) (Note 3)   (meta.code)
flags_r 6755674587562000  Detection flags r band (flags_r) (Note 3)   (meta.code)
flags_i 2252074960195600  Detection flags i band (flags_i) (Note 3)   (meta.code)
flags_z 2252074960060944  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 0.012 arcsec [0/51703] Mean error on RAdeg (raErr) (stat.error;pos.eq.ra)
decErr 0.015 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 0.00 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 0.00 arcsec Offset of i position along RA (offsetRa_i) (pos.angDistance)
offsetRa_z 0.00 arcsec Offset of z position along RA (offsetRa_z) (pos.angDistance)
offsetDec_u 0.23 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 0.08 arcsec Offset of z position along Dec (offsetDec_z) (pos.angDistance)
parentID1237665354548707677  Pointer to parent (if object deblended) (meta.id.parent)
specObjID0  Pointer to the spectrum of object or 0 (specObjID) (Note 6)   (meta.id)
u17.251 mag (i) [4/37.3] Model magnitude in u filter AB scale (u) (Note 7)   (phot.mag;em.opt.U)
g15.806 mag (i) [3.7/39.6] Model magnitude in g filter AB scale (g) (Note 7)   (phot.mag;em.opt.B)
r15.142 mag (i) [3.8/40.4] Model magnitude in r filter AB scale (r) (Note 7)   (phot.mag;em.opt.R)
i14.823 mag (i) [2.6/39.5] Model magnitude in i filter AB scale (i) (Note 7)   (phot.mag;em.opt.I)
z14.555 mag (i) [3.5/37.2] Model magnitude in z filter AB scale (z) (Note 7)   (phot.mag;em.opt.I)
err_u 0.018 mag [8.9e-8/3444] Mean error on umag (err_u) (stat.error;phot.mag)
err_g 0.003 mag [3.8e-8/5955] Mean error on gmag (err_g) (stat.error;phot.mag)
err_r 0.003 mag [5.2e-8/915] Mean error on rmag (err_r) (stat.error;phot.mag)
err_i 0.003 mag [0/634] Mean error on imag (err_i) (stat.error;phot.mag)
err_z 0.006 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_match1   [0/4] Number of USNO-B objects matched within 1arcsec (pm_match) (Note 11)   (meta.number)
pm_pmRa 3.15 mas/yr [-6121/5519] Proper motion along Right Ascension (pm_pmRa) (Note 11)   (pos.pm;pos.eq.ra)
pm_pmDec 3.91 mas/yr [-4846/4437] Proper motion along Declination (pm_pmDec) (Note 11)   (pos.pm;pos.eq.dec)
pm_pmRaErr 2.49 mas/yr [0/4709] Mean error on pmRA (pm_pmRaErr) (Note 11)   (stat.error;pos.pm;pos.eq.ra)
pm_pmDecErr 2.49 mas/yr [0/4709] Mean error on pmDE (pm_pmDecErr) (Note 11)   (stat.error;pos.pm;pos.eq.dec)
pm_sigRa 144.06 mas [0/8662] RMS residual of proper motion fit in RA (pm_sigRa) (Note 11)   (stat.fit.residual)
pm_sigDec 357.25 mas [0/10625] RMS residual of proper motion fit in Dec (pm_sigDec) (Note 11)   (stat.fit.residual)
pm_nFit6   [0/6] Number of detections used in the pm fit including SDSS (pm_nFit) (Note 11)   (meta.number)
pm_O 12.9   [-214740/70189] Magnitude from USNO-B O plate recalibrated to SDSS g (pm_O) (Note 11)   (phot.mag;em.opt.B)
pm_E 11.1   Magnitude from E plate recalibrated to SDSS r (pm_E) (Note 11)   (phot.mag;em.opt.R)
pm_J 10.9   Magnitude from J plate recalibrated to SDSS g (pm_J) (Note 11)   (phot.mag;em.opt.B)
pm_F 10.3   Magnitude from F plate recalibrated to SDSS r (pm_F) (Note 11)   (phot.mag;em.opt.R)
pm_N 11.9   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_u53138.4001 d Date of observation in u band (field_mjd_u) (Note 13)   (time.epoch)
field_mjd_g53138.4018 d Date of observation in g band (field_mjd_g) (Note 13)   (time.epoch)
field_mjd_r53138.3985 d Date of observation in r band (field_mjd_r) (Note 13)   (time.epoch)
field_mjd_i53138.3993 d Date of observation in i band (field_mjd_i) (Note 13)   (time.epoch)
field_mjd_z53138.4010 d Date of observation in z band (field_mjd_z) (Note 13)   (time.epoch)
SDSS16SDSS J162505.83+405543.5  (i) SDSS-DR16 name based on J2000 position; provided by CDS (meta.id)
SDSS-ID4629-301-1-0175-0350  (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)
MJD53138.4001 d Mean observation date (average calculated by CDS from the uMJD, gMJD, rMJD, iMJD, zMJD) (time.epoch)
  
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