VizieR

CfA VizieR . ADAC VizieR . CADC VizieR . Cambridge (UK) VizieR . IUCAA VizieR . Beijing (Ch) VizieR .

VizieR

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V/147/sdss12 The SDSS Photometric Catalogue, Release 12 (Alam+, 2015)
Data Release 12 (469,053,874 primary sources plus 324,960,094 secondary sources); 3,538,079 spectroscopic targets (original column names in green) (794013968 rows)
  -c=049.970810 -00.855759, eq=ICRS, rs=2
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Note:

ColumnValue  Explain   (UCD)
_r0.000 arcsec Distance from center (049.970810-00.855759)[ICRS] (pos.angDistance)
_RAJ200003 19 52.99440 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000-00 51 20.7324 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195003 17 20.08178 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950-01 02 09.5122 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon182.79082320 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-45.76339818 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)

ra049.970810 deg (i) Right Ascension of the object (ICRS) (ra) (pos.eq.ra;meta.main)
dec-00.855759 deg (i) Declination of the object (ICRS) (dec) (pos.eq.dec;meta.main)
mode2   [1/2] 1: primary (469,053,874 sources), 2: secondary (324,960,094 sources) (meta.code.class)
clean    [+] '+' indicates clean photometry (310,190,812 sources with mode 1+) (clean) (meta.code.qual;instr.setup)
class3  Type of object (3=galaxy, 6=star) (Note 1)   (src.class)
SDSS12J031952.99-005120.7  (i) SDSS-DR12 name, based on J2000 position (meta.id)
m_SDSS12*   [*] The asterisk indicates that 2 different SDSS objects share the same SDSS12 name (meta.code.multip)

DR12Im  Image from SDSS-server (DR12) (meta.ref.url)

SDSS-ID2570-301-1-0279-0313  (i) [0-9 -] SDSS object identifier (Note 2)   (meta.id)
objID1237656511217860921  (i) SDSS unique object identifier (2) (links to SDSS-DR12 details) (Note)   (meta.id;meta.main)
Sp-ID   (i) Spectroscopic Plate-MJD-Fiber identifier (7) (Note)   (meta.id)
SpObjID 0  Pointer to the spectrum of object, or 0 (Note 7)   (meta.id)
parentID 0  Pointer to parent (if object deblended) (meta.id.parent)
flags 2381827801344  Photo Object Attribute flags (Note 3)   (meta.code.error)
Status1025  Hexadecimal status (Note 4)   (meta.code)
raErr 0.195 arcsec [0/51703] Mean error on RAdeg (raErr) (stat.error;pos.eq.ra)
decErr 0.263 arcsec [0/20301] Mean error on DEdeg (decErr) (stat.error;pos.eq.dec)
ObsDate2001.7152 yr (i) Mean Observation date (Note 6)   (time.epoch;obs;stat.mean)
Q1   [1/3] Quality of the observation: 1=bad 2=acceptable 3=good (meta.code.qual;obs.param;obs)
u21.619 mag (i) [4/38] Model magnitude in u filter, AB scale (u) (Note 5)   (phot.mag;em.opt.U)
err_u 0.247 mag Mean error on umag (err_u) (stat.error;phot.mag)
g20.842 mag (i) [5/40] Model magnitude in g filter, AB scale (g) (Note 5)   (phot.mag;em.opt.B)
err_g 0.067 mag Mean error on gmag (err_g) (stat.error;phot.mag)
r20.491 mag (i) [4/39] Model magnitude in r filter, AB scale (r) (Note 5)   (phot.mag;em.opt.R)
err_r 0.066 mag Mean error on rmag (err_r) (stat.error;phot.mag)
i20.392 mag (i) [3/40] Model magnitude in i filter, AB scale (i) (Note 5)   (phot.mag;em.opt.I)
err_i 0.091 mag Mean error on imag (err_i) (stat.error;phot.mag)
z20.209 mag (i) [3/38] Model magnitude in z filter, AB scale (z) (Note 5)   (phot.mag;em.opt.I)
err_z 0.281 mag Mean error on zmag (err_z) (stat.error;phot.mag)
zsp   (i) [-0.02/7.1] Spectroscopic redshift (when SpObjID>0) (Note 7)   (src.redshift)
e_zsp    Mean error on zsp (negative for bad fit) (Note 7)   (stat.error)
f_zsp    [0/196] "zwarning" flag (Note 9)   (meta.code)
velDisp  km/s [0/850] Velocity dispersion (velDisp) (phys.veloc.dispersion)
velDispErr  km/s Mean error on Vdisp (velDispErr) (stat.error)
instrument    Spectral instrument used (SDSS or BOSS) (instrument) (meta.id;instr)
sourceType    Source type (sourceType) (10) (list of types) (Note)   (src.class)
spCl    Spectroscopic class: GALAXY, QSO, STAR (meta.code.class;pos.parallax.spect)
subClass    Spectroscopic subclass (subClass) (Note 11)   (src.spType)
snMedian    [0/132] Median signal-to-noise over all good pixels (snMedian) (em.wl.central;stat.median)
flags_u 402685952  Detection flags, u band (flags_u) (Note 3)   (meta.code)
probPSF_u0  0=notStar, 1=Star in u band (probPSF_u) (src.class.starGalaxy)
type_u3   [0/6] Phototype in u band, 6=Star (type_u) (Note 1)   (src.class.starGalaxy)
uDate2001.7152 yr Date of observation in u band (Note 6)   (time.epoch)
u'mag21.619 mag [4/38] Model magnitude in u' filter (= umag) (Note 5)   (phot.mag;em.opt.U)
e_u'mag 0.247 mag Mean error on u'mag (= e_umag) (stat.error;phot.mag)
psfMag_u22.036 mag [5/34] PSF magnitude in u band (psfMag_u) (phot.mag;em.opt.U)
psfMagErr_u 0.184 mag Mean error on upmag (psfMagErr_u) (stat.error;phot.mag)
petroMag_u21.184 mag [3/43] Petrosian magnitude in u band (petroMag_u) (phot.mag;em.opt.U)
petroMagErr_u 0.671 mag Mean error on uPmag (petroMagErr_u) (stat.error;phot.mag)
petroRad_u 2.009 arcsec [0/260] Petrosian radius in u band (petroRad_u) (phys.angSize;src)
petroRadErr_u 0.998 arcsec Mean error in uPrad (petroRadErr_u) (stat.error)
offsetRa_u 0.71 arcsec Offset of u position along RA (offsetRa_u) (pos.angDistance)
offsetDec_u 1.04 arcsec Offset of u position along Dec (offsetDec_u) (pos.angDistance)
deVRad_u 1.359 arcsec de Vaucouleurs fit radius, u band (deVRad_u) (phys.angSize;src)
udVell 0.050 arcsec de Vaucouleurs fit ellipt, u band (1-deVAB_u) (src.ellipticity)
deVPhi_u 20.9 deg Position angle of dVrad in u band (deVPhi_u) (pos.posAng)
flags_g 9007474401116160  Detection flags, g band (flags_g) (Note 3)   (meta.code)
probPSF_g0  0=notStar, 1=Star in g band (probPSF_g) (src.class.starGalaxy)
type_g3  Phototype in g band, 6=Star (type_g) (Note 1)   (src.class.starGalaxy)
gDate2001.7152 yr Date of observation in g band (Note 6)   (time.epoch)
g'mag20.842 mag [5/39] Model magnitude in g' filter (= gmag) (Note 5)   (phot.mag;em.opt.B)
e_g'mag 0.067 mag Mean error on g'mag (= e_gmag) (stat.error;phot.mag)
psfMag_g21.954 mag [5/37] PSF magnitude in g band (psfMag_g) (phot.mag;em.opt.B)
psfMagErr_g 0.089 mag Mean error on gpmag (psfMagErr_g) (stat.error;phot.mag)
petroMag_g20.965 mag [4/46] Petrosian magnitude in g band (petroMag_g) (phot.mag;em.opt.B)
petroMagErr_g 0.165 mag Mean error on gPmag (petroMagErr_g) (stat.error;phot.mag)
petroRad_g 3.828 arcsec Petrosian radius in g band (petroRad_g) (phys.angSize;src)
petroRadErr_g 0.347 arcsec Mean error in gPrad (petroRadErr_g) (stat.error)
offsetRa_g 0.39 arcsec Offset of g position along RA (offsetRa_g) (pos.angDistance)
offsetDec_g 0.57 arcsec Offset of g position along Dec (offsetDec_g) (pos.angDistance)
deVRad_g 4.108 arcsec de Vaucouleurs fit radius, g band (deVRad_g) (phys.angSize;src)
gdVell 0.350 arcsec de Vaucouleurs fit ellipt, g band (1-deVAB_g) (src.ellipticity)
deVPhi_g 36.0 deg Position angle of dVrad in g band (deVPhi_g) (pos.posAng)
flags_r 4503874773745664  Detection flags, r band (flags_r) (Note 3)   (meta.code)
probPSF_r0  0=notStar, 1=Star in r band (probPSF_r) (src.class.starGalaxy)
type_r3  Phototype in r band, 6=Star (type_r) (Note 1)   (src.class.starGalaxy)
rDate2001.7152 yr Date of observation in r band (Note 6)   (time.epoch)
r'mag20.491 mag [4/39] Model magnitude in r' filter (= rmag) (Note 5)   (phot.mag;em.opt.R)
e_r'mag 0.066 mag Mean error on r'mag (= e_rmag) (stat.error;phot.mag)
psfMag_r21.754 mag [4/33] PSF magnitude in r band (psfMag_r) (phot.mag;em.opt.R)
psfMagErr_r 0.087 mag Mean error on rpmag (psfMagErr_r) (stat.error;phot.mag)
petroMag_r20.617 mag [4/43] Petrosian magnitude in r band (petroMag_r) (phot.mag;em.opt.R)
petroMagErr_r 0.118 mag Mean error on rPmag (petroMagErr_r) (stat.error;phot.mag)
petroRad_r 3.912 arcsec Petrosian radius in r band (petroRad_r) (phys.angSize;src)
petroRadErr_r 0.722 arcsec Mean error in rPrad (petroRadErr_r) (stat.error)
offsetRa_r 0.00 arcsec Offset of r position along RA (offsetRa_r) (pos.angDistance)
offsetDec_r 0.00 arcsec Offset of r position along Dec (offsetDec_r) (pos.angDistance)
deVRad_r 4.715 arcsec de Vaucouleurs fit radius, r band (deVRad_r) (phys.angSize;src)
rdVell 0.315 arcsec de Vaucouleurs fit ellipt, r band (1-deVAB_r) (src.ellipticity)
deVPhi_r 26.3 deg Position angle of dVrad in r band (deVPhi_r) (pos.posAng)
flags_i 275280592896  Detection flags, i band (flags_i) (Note 3)   (meta.code)
probPSF_i0  0=notStar, 1=Star in i band (probPSF_i) (src.class.starGalaxy)
type_i3  Phototype in i band, 6=Star (type_i) (Note 1)   (src.class.starGalaxy)
iDate2001.7152 yr Date of observation in i band (Note 6)   (time.epoch)
i'mag20.392 mag [3/40] Model magnitude in i' filter (= imag) (Note 5)   (phot.mag;em.opt.I)
e_i'mag 0.091 mag Mean error on i'mag (= e_imag) (stat.error;phot.mag)
psfMag_i21.483 mag [3/34] PSF magnitude in i band (psfMag_i) (phot.mag;em.opt.I)
psfMagErr_i 0.108 mag Mean error on ipmag (psfMagErr_i) (stat.error;phot.mag)
petroMag_i20.895 mag [3/45] Petrosian magnitude in i band (petroMag_i) (phot.mag;em.opt.I)
petroMagErr_i 0.337 mag Mean error on iPmag (petroMagErr_i) (stat.error;phot.mag)
petroRad_i 3.199 arcsec Petrosian radius in i band (petroRad_i) (phys.angSize;src)
petroRadErr_i 1.694 arcsec Mean error in iPrad (petroRadErr_i) (stat.error)
offsetRa_i -0.60 arcsec Offset of i position along RA (offsetRa_i) (pos.angDistance)
offsetDec_i -0.73 arcsec Offset of i position along Dec (offsetDec_i) (pos.angDistance)
deVRad_i 2.647 arcsec de Vaucouleurs fit radius, i band (deVRad_i) (phys.angSize;src)
idVell 0.507 arcsec de Vaucouleurs fit ellipt, i band (1-deVAB_i) (src.ellipticity)
deVPhi_i 65.1 deg Position angle of dVrad in i band (deVPhi_i) (pos.posAng)
flags_z 9007199388992769  Detection flags, z band (flags_z) (Note 3)   (meta.code)
probPSF_z0  0=notStar, 1=Star in z band (probPSF_z) (src.class.starGalaxy)
type_z3  Phototype in z band, 6=Star (type_z) (Note 1)   (src.class.starGalaxy)
zDate2001.7152 yr Date of observation in z band (Note 6)   (time.epoch)
z'mag20.209 mag [3/38] Model magnitude in z filter (= zmag) (Note 5)   (phot.mag;em.opt.I)
e_z'mag 0.281 mag Mean error on z'mag (= e_zmag) (stat.error;phot.mag)
psfMag_z21.270 mag [3/32] PSF magnitude in z band (psfMag_z) (phot.mag;em.opt.I)
psfMagErr_z 0.313 mag Mean error on zpmag (psfMagErr_z) (stat.error;phot.mag)
petroMag_z19.532 mag [3/42] Petrosian magnitude in z band (petroMag_z) (phot.mag;em.opt.I)
petroMagErr_z 0.392 mag Mean error on zPmag (petroMagErr_z) (stat.error;phot.mag)
petroRad_z 27.925 arcsec Petrosian radius in z band (petroRad_z) (phys.angSize;src)
petroRadErr_z  arcsec Mean error in zPrad (petroRadErr_z) (stat.error)
offsetRa_z -0.01 arcsec Offset of z position along RA (offsetRa_z) (pos.angDistance)
offsetDec_z -0.02 arcsec Offset of z position along Dec (offsetDec_z) (pos.angDistance)
deVRad_z 20.783 arcsec de Vaucouleurs fit radius, z band (deVRad_z) (phys.angSize;src)
zdVell 0.616 arcsec de Vaucouleurs fit ellipt, z band (1-deVAB_z) (src.ellipticity)
deVPhi_z140.9 deg Position angle of dVrad in z band (deVPhi_z) (pos.posAng)
pmRa  mas/yr [-6121/4129] Proper motion along Right Ascension (pmRa) (Note 8)   (pos.pm;pos.eq.ra)
pmRaErr  mas/yr Mean error on pmRA (pmRaErr) (Note 8)   (stat.error;pos.pm;pos.eq.ra)
pmDec  mas/yr [-4846/4437] Proper motion along Declination (pmDec) (Note 8)   (pos.pm;pos.eq.dec)
pmDecErr  mas/yr Mean error on pmDE (pmDecErr) (Note 8)   (stat.error;pos.pm;pos.eq.dec)
sigRA  mas [0/8662] RMS residual of proper motion fit in RA (Note 8)   (stat.fit.residual)
sigDE  mas [0/10625] RMS residual of proper motion fit in Dec (Note 8)   (stat.fit.residual)
match    [1/4] Number of USNO-B objects matched within 1arcsec (match) (Note 8)   (meta.number)
nFit    [4/6] Number of detections used in the pm fit, including SDSS (nFit) (Note 8)   (meta.number)
g(O)    Magnitude from O plate recalibrated to g (Note 8)   (phot.mag;em.opt.B)
r(E)    Magnitude from E plate recalibrated to r (Note 8)   (phot.mag;em.opt.R)
g(J)    Magnitude from J plate recalibrated to g (Note 8)   (phot.mag;em.opt.B)
r(F)    Magnitude from F plate recalibrated to r (Note 8)   (phot.mag;em.opt.R)
i(N)    Magnitude from N plate recalibrated to i (Note 8)   (phot.mag;em.opt.I)
zph   (i) [-9999/] Photometric redshift; estimated by robust fit to nearest neighbors in a reference set (Note 12)   (src.redshift)
zErr    [-9999/] Estimated error of the photometric redshift (zErr) (Note 12)   (stat.error)
nnAvgZ    [0.009/0.9] average redshift of the nearest neighbors; if significantly different from zph this might be a better estimate than zph (nnAvgZ) (src.redshift.phot)
chisq_zph    Chi-square value for the minimum chi-square template fit (chisq_zph) (stat.value)
absMagU  mag [-644/4] rest frame u' absolute magnitude (absMagU) (phys.magAbs)
absMagG  mag [-472/3] rest frame g' absolute magnitude (absMagG) (phys.magAbs)
absMagR  mag [-351/3] rest frame r' absolute magnitude (absMagR) (phys.magAbs)
absMagI  mag [-271/7] rest frame i' absolute magnitude (absMagI) (phys.magAbs)
absMagZ  mag [-199/3] rest frame z' absolute magnitude (absMagZ) (phys.magAbs)
ColumnValue  Explain   (UCD)
_r0.112 arcsec Distance from center (049.970810-00.855759)[ICRS] (pos.angDistance)
_RAJ200003 19 52.98912 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000-00 51 20.8116 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195003 17 20.07652 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950-01 02 09.5917 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon182.79082735 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-45.76342915 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)

ra049.970788 deg (i) Right Ascension of the object (ICRS) (ra) (pos.eq.ra;meta.main)
dec-00.855781 deg (i) Declination of the object (ICRS) (dec) (pos.eq.dec;meta.main)
mode2   [1/2] 1: primary (469,053,874 sources), 2: secondary (324,960,094 sources) (meta.code.class)
clean    [+] '+' indicates clean photometry (310,190,812 sources with mode 1+) (clean) (meta.code.qual;instr.setup)
class3  Type of object (3=galaxy, 6=star) (Note 1)   (src.class)
SDSS12J031952.98-005120.8  (i) SDSS-DR12 name, based on J2000 position (meta.id)
m_SDSS12    [*] The asterisk indicates that 2 different SDSS objects share the same SDSS12 name (meta.code.multip)

DR12Im  Image from SDSS-server (DR12) (meta.ref.url)

SDSS-ID3384-301-1-0703-0305  (i) [0-9 -] SDSS object identifier (Note 2)   (meta.id)
objID1237660007349027121  (i) SDSS unique object identifier (2) (links to SDSS-DR12 details) (Note)   (meta.id;meta.main)
Sp-ID   (i) Spectroscopic Plate-MJD-Fiber identifier (7) (Note)   (meta.id)
SpObjID 0  Pointer to the spectrum of object, or 0 (Note 7)   (meta.id)
parentID1237660007349027120  Pointer to parent (if object deblended) (meta.id.parent)
flags 263953926193496  Photo Object Attribute flags (Note 3)   (meta.code.error)
Status1025  Hexadecimal status (Note 4)   (meta.code)
raErr 0.103 arcsec [0/51703] Mean error on RAdeg (raErr) (stat.error;pos.eq.ra)
decErr 0.108 arcsec [0/20301] Mean error on DEdeg (decErr) (stat.error;pos.eq.dec)
ObsDate2002.7747 yr (i) Mean Observation date (Note 6)   (time.epoch;obs;stat.mean)
Q3   [1/3] Quality of the observation: 1=bad 2=acceptable 3=good (meta.code.qual;obs.param;obs)
u21.033 mag (i) [4/38] Model magnitude in u filter, AB scale (u) (Note 5)   (phot.mag;em.opt.U)
err_u 0.197 mag Mean error on umag (err_u) (stat.error;phot.mag)
g21.402 mag (i) [5/40] Model magnitude in g filter, AB scale (g) (Note 5)   (phot.mag;em.opt.B)
err_g 0.126 mag Mean error on gmag (err_g) (stat.error;phot.mag)
r20.528 mag (i) [4/39] Model magnitude in r filter, AB scale (r) (Note 5)   (phot.mag;em.opt.R)
err_r 0.099 mag Mean error on rmag (err_r) (stat.error;phot.mag)
i20.476 mag (i) [3/40] Model magnitude in i filter, AB scale (i) (Note 5)   (phot.mag;em.opt.I)
err_i 0.161 mag Mean error on imag (err_i) (stat.error;phot.mag)
z21.542 mag (i) [3/38] Model magnitude in z filter, AB scale (z) (Note 5)   (phot.mag;em.opt.I)
err_z 1.545 mag Mean error on zmag (err_z) (stat.error;phot.mag)
zsp   (i) [-0.02/7.1] Spectroscopic redshift (when SpObjID>0) (Note 7)   (src.redshift)
e_zsp    Mean error on zsp (negative for bad fit) (Note 7)   (stat.error)
f_zsp    [0/196] "zwarning" flag (Note 9)   (meta.code)
velDisp  km/s [0/850] Velocity dispersion (velDisp) (phys.veloc.dispersion)
velDispErr  km/s Mean error on Vdisp (velDispErr) (stat.error)
instrument    Spectral instrument used (SDSS or BOSS) (instrument) (meta.id;instr)
sourceType    Source type (sourceType) (10) (list of types) (Note)   (src.class)
spCl    Spectroscopic class: GALAXY, QSO, STAR (meta.code.class;pos.parallax.spect)
subClass    Spectroscopic subclass (subClass) (Note 11)   (src.spType)
snMedian    [0/132] Median signal-to-noise over all good pixels (snMedian) (em.wl.central;stat.median)
flags_u 2410404768808984  Detection flags, u band (flags_u) (Note 3)   (meta.code)
probPSF_u0  0=notStar, 1=Star in u band (probPSF_u) (src.class.starGalaxy)
type_u3   [0/6] Phototype in u band, 6=Star (type_u) (Note 1)   (src.class.starGalaxy)
uDate2002.7747 yr Date of observation in u band (Note 6)   (time.epoch)
u'mag21.033 mag [4/38] Model magnitude in u' filter (= umag) (Note 5)   (phot.mag;em.opt.U)
e_u'mag 0.197 mag Mean error on u'mag (= e_umag) (stat.error;phot.mag)
psfMag_u22.012 mag [5/34] PSF magnitude in u band (psfMag_u) (phot.mag;em.opt.U)
psfMagErr_u 0.397 mag Mean error on upmag (psfMagErr_u) (stat.error;phot.mag)
petroMag_u20.402 mag [3/43] Petrosian magnitude in u band (petroMag_u) (phot.mag;em.opt.U)
petroMagErr_u 0.268 mag Mean error on uPmag (petroMagErr_u) (stat.error;phot.mag)
petroRad_u 0.084 arcsec [0/260] Petrosian radius in u band (petroRad_u) (phys.angSize;src)
petroRadErr_u 0.039 arcsec Mean error in uPrad (petroRadErr_u) (stat.error)
offsetRa_u -0.60 arcsec Offset of u position along RA (offsetRa_u) (pos.angDistance)
offsetDec_u 0.39 arcsec Offset of u position along Dec (offsetDec_u) (pos.angDistance)
deVRad_u 13.717 arcsec de Vaucouleurs fit radius, u band (deVRad_u) (phys.angSize;src)
udVell 0.731 arcsec de Vaucouleurs fit ellipt, u band (1-deVAB_u) (src.ellipticity)
deVPhi_u180.0 deg Position angle of dVrad in u band (deVPhi_u) (pos.posAng)
flags_g 70643898941721  Detection flags, g band (flags_g) (Note 3)   (meta.code)
probPSF_g0  0=notStar, 1=Star in g band (probPSF_g) (src.class.starGalaxy)
type_g3  Phototype in g band, 6=Star (type_g) (Note 1)   (src.class.starGalaxy)
gDate2002.7747 yr Date of observation in g band (Note 6)   (time.epoch)
g'mag21.402 mag [5/39] Model magnitude in g' filter (= gmag) (Note 5)   (phot.mag;em.opt.B)
e_g'mag 0.126 mag Mean error on g'mag (= e_gmag) (stat.error;phot.mag)
psfMag_g22.647 mag [5/37] PSF magnitude in g band (psfMag_g) (phot.mag;em.opt.B)
psfMagErr_g 0.147 mag Mean error on gpmag (psfMagErr_g) (stat.error;phot.mag)
petroMag_g22.709 mag [4/46] Petrosian magnitude in g band (petroMag_g) (phot.mag;em.opt.B)
petroMagErr_g 1.001 mag Mean error on gPmag (petroMagErr_g) (stat.error;phot.mag)
petroRad_g 2.971 arcsec Petrosian radius in g band (petroRad_g) (phys.angSize;src)
petroRadErr_g  arcsec Mean error in gPrad (petroRadErr_g) (stat.error)
offsetRa_g -0.15 arcsec Offset of g position along RA (offsetRa_g) (pos.angDistance)
offsetDec_g -0.02 arcsec Offset of g position along Dec (offsetDec_g) (pos.angDistance)
deVRad_g 1.365 arcsec de Vaucouleurs fit radius, g band (deVRad_g) (phys.angSize;src)
gdVell 0.600 arcsec de Vaucouleurs fit ellipt, g band (1-deVAB_g) (src.ellipticity)
deVPhi_g 31.5 deg Position angle of dVrad in g band (deVPhi_g) (pos.posAng)
flags_r 51791670869655576  Detection flags, r band (flags_r) (Note 3)   (meta.code)
probPSF_r0  0=notStar, 1=Star in r band (probPSF_r) (src.class.starGalaxy)
type_r3  Phototype in r band, 6=Star (type_r) (Note 1)   (src.class.starGalaxy)
rDate2002.7747 yr Date of observation in r band (Note 6)   (time.epoch)
r'mag20.528 mag [4/39] Model magnitude in r' filter (= rmag) (Note 5)   (phot.mag;em.opt.R)
e_r'mag 0.099 mag Mean error on r'mag (= e_rmag) (stat.error;phot.mag)
psfMag_r22.331 mag [4/33] PSF magnitude in r band (psfMag_r) (phot.mag;em.opt.R)
psfMagErr_r 0.146 mag Mean error on rpmag (psfMagErr_r) (stat.error;phot.mag)
petroMag_r20.680 mag [4/43] Petrosian magnitude in r band (petroMag_r) (phot.mag;em.opt.R)
petroMagErr_r 0.237 mag Mean error on rPmag (petroMagErr_r) (stat.error;phot.mag)
petroRad_r 3.737 arcsec Petrosian radius in r band (petroRad_r) (phys.angSize;src)
petroRadErr_r 0.466 arcsec Mean error in rPrad (petroRadErr_r) (stat.error)
offsetRa_r 0.00 arcsec Offset of r position along RA (offsetRa_r) (pos.angDistance)
offsetDec_r 0.00 arcsec Offset of r position along Dec (offsetDec_r) (pos.angDistance)
deVRad_r 6.374 arcsec de Vaucouleurs fit radius, r band (deVRad_r) (phys.angSize;src)
rdVell 0.468 arcsec de Vaucouleurs fit ellipt, r band (1-deVAB_r) (src.ellipticity)
deVPhi_r 8.6 deg Position angle of dVrad in r band (deVPhi_r) (pos.posAng)
flags_i 2252075119411224  Detection flags, i band (flags_i) (Note 3)   (meta.code)
probPSF_i0  0=notStar, 1=Star in i band (probPSF_i) (src.class.starGalaxy)
type_i3  Phototype in i band, 6=Star (type_i) (Note 1)   (src.class.starGalaxy)
iDate2002.7747 yr Date of observation in i band (Note 6)   (time.epoch)
i'mag20.476 mag [3/40] Model magnitude in i' filter (= imag) (Note 5)   (phot.mag;em.opt.I)
e_i'mag 0.161 mag Mean error on i'mag (= e_imag) (stat.error;phot.mag)
psfMag_i22.183 mag [3/34] PSF magnitude in i band (psfMag_i) (phot.mag;em.opt.I)
psfMagErr_i 0.193 mag Mean error on ipmag (psfMagErr_i) (stat.error;phot.mag)
petroMag_i20.533 mag [3/45] Petrosian magnitude in i band (petroMag_i) (phot.mag;em.opt.I)
petroMagErr_i 0.341 mag Mean error on iPmag (petroMagErr_i) (stat.error;phot.mag)
petroRad_i 4.407 arcsec Petrosian radius in i band (petroRad_i) (phys.angSize;src)
petroRadErr_i 1.293 arcsec Mean error in iPrad (petroRadErr_i) (stat.error)
offsetRa_i 0.06 arcsec Offset of i position along RA (offsetRa_i) (pos.angDistance)
offsetDec_i 0.18 arcsec Offset of i position along Dec (offsetDec_i) (pos.angDistance)
deVRad_i 9.628 arcsec de Vaucouleurs fit radius, i band (deVRad_i) (phys.angSize;src)
idVell 0.150 arcsec de Vaucouleurs fit ellipt, i band (1-deVAB_i) (src.ellipticity)
deVPhi_i 26.7 deg Position angle of dVrad in i band (deVPhi_i) (pos.posAng)
flags_z 9007199388991513  Detection flags, z band (flags_z) (Note 3)   (meta.code)
probPSF_z0  0=notStar, 1=Star in z band (probPSF_z) (src.class.starGalaxy)
type_z3  Phototype in z band, 6=Star (type_z) (Note 1)   (src.class.starGalaxy)
zDate2002.7747 yr Date of observation in z band (Note 6)   (time.epoch)
z'mag21.542 mag [3/38] Model magnitude in z filter (= zmag) (Note 5)   (phot.mag;em.opt.I)
e_z'mag 1.545 mag Mean error on z'mag (= e_zmag) (stat.error;phot.mag)
psfMag_z22.076 mag [3/32] PSF magnitude in z band (psfMag_z) (phot.mag;em.opt.I)
psfMagErr_z 0.608 mag Mean error on zpmag (psfMagErr_z) (stat.error;phot.mag)
petroMag_z25.112 mag [3/42] Petrosian magnitude in z band (petroMag_z) (phot.mag;em.opt.I)
petroMagErr_z 1.344 mag Mean error on zPmag (petroMagErr_z) (stat.error;phot.mag)
petroRad_z 1.081 arcsec Petrosian radius in z band (petroRad_z) (phys.angSize;src)
petroRadErr_z 1.009 arcsec Mean error in zPrad (petroRadErr_z) (stat.error)
offsetRa_z 0.08 arcsec Offset of z position along RA (offsetRa_z) (pos.angDistance)
offsetDec_z 0.12 arcsec Offset of z position along Dec (offsetDec_z) (pos.angDistance)
deVRad_z 15.346 arcsec de Vaucouleurs fit radius, z band (deVRad_z) (phys.angSize;src)
zdVell 0.050 arcsec de Vaucouleurs fit ellipt, z band (1-deVAB_z) (src.ellipticity)
deVPhi_z 66.6 deg Position angle of dVrad in z band (deVPhi_z) (pos.posAng)
pmRa  mas/yr [-6121/4129] Proper motion along Right Ascension (pmRa) (Note 8)   (pos.pm;pos.eq.ra)
pmRaErr  mas/yr Mean error on pmRA (pmRaErr) (Note 8)   (stat.error;pos.pm;pos.eq.ra)
pmDec  mas/yr [-4846/4437] Proper motion along Declination (pmDec) (Note 8)   (pos.pm;pos.eq.dec)
pmDecErr  mas/yr Mean error on pmDE (pmDecErr) (Note 8)   (stat.error;pos.pm;pos.eq.dec)
sigRA  mas [0/8662] RMS residual of proper motion fit in RA (Note 8)   (stat.fit.residual)
sigDE  mas [0/10625] RMS residual of proper motion fit in Dec (Note 8)   (stat.fit.residual)
match    [1/4] Number of USNO-B objects matched within 1arcsec (match) (Note 8)   (meta.number)
nFit    [4/6] Number of detections used in the pm fit, including SDSS (nFit) (Note 8)   (meta.number)
g(O)    Magnitude from O plate recalibrated to g (Note 8)   (phot.mag;em.opt.B)
r(E)    Magnitude from E plate recalibrated to r (Note 8)   (phot.mag;em.opt.R)
g(J)    Magnitude from J plate recalibrated to g (Note 8)   (phot.mag;em.opt.B)
r(F)    Magnitude from F plate recalibrated to r (Note 8)   (phot.mag;em.opt.R)
i(N)    Magnitude from N plate recalibrated to i (Note 8)   (phot.mag;em.opt.I)
zph   (i) [-9999/] Photometric redshift; estimated by robust fit to nearest neighbors in a reference set (Note 12)   (src.redshift)
zErr    [-9999/] Estimated error of the photometric redshift (zErr) (Note 12)   (stat.error)
nnAvgZ    [0.009/0.9] average redshift of the nearest neighbors; if significantly different from zph this might be a better estimate than zph (nnAvgZ) (src.redshift.phot)
chisq_zph    Chi-square value for the minimum chi-square template fit (chisq_zph) (stat.value)
absMagU  mag [-644/4] rest frame u' absolute magnitude (absMagU) (phys.magAbs)
absMagG  mag [-472/3] rest frame g' absolute magnitude (absMagG) (phys.magAbs)
absMagR  mag [-351/3] rest frame r' absolute magnitude (absMagR) (phys.magAbs)
absMagI  mag [-271/7] rest frame i' absolute magnitude (absMagI) (phys.magAbs)
absMagZ  mag [-199/3] rest frame z' absolute magnitude (absMagZ) (phys.magAbs)
ColumnValue  Explain   (UCD)
_r0.266 arcsec Distance from center (049.970810-00.855759)[ICRS] (pos.angDistance)
_RAJ200003 19 52.99464 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000-00 51 20.4660 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195003 17 20.08196 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950-01 02 09.2458 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon182.79074247 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-45.76335017 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)

ra049.970811 deg (i) Right Ascension of the object (ICRS) (ra) (pos.eq.ra;meta.main)
dec-00.855685 deg (i) Declination of the object (ICRS) (dec) (pos.eq.dec;meta.main)
mode2   [1/2] 1: primary (469,053,874 sources), 2: secondary (324,960,094 sources) (meta.code.class)
clean    [+] '+' indicates clean photometry (310,190,812 sources with mode 1+) (clean) (meta.code.qual;instr.setup)
class3  Type of object (3=galaxy, 6=star) (Note 1)   (src.class)
SDSS12J031952.99-005120.4  (i) SDSS-DR12 name, based on J2000 position (meta.id)
m_SDSS12*   [*] The asterisk indicates that 2 different SDSS objects share the same SDSS12 name (meta.code.multip)

DR12Im  Image from SDSS-server (DR12) (meta.ref.url)

SDSS-ID4895-301-1-0370-0392  (i) [0-9 -] SDSS object identifier (Note 2)   (meta.id)
objID1237666497022787976  (i) SDSS unique object identifier (2) (links to SDSS-DR12 details) (Note)   (meta.id;meta.main)
Sp-ID   (i) Spectroscopic Plate-MJD-Fiber identifier (7) (Note)   (meta.id)
SpObjID 0  Pointer to the spectrum of object, or 0 (Note 7)   (meta.id)
parentID1237666497022787975  Pointer to parent (if object deblended) (meta.id.parent)
flags 475064453697808  Photo Object Attribute flags (Note 3)   (meta.code.error)
Status1025  Hexadecimal status (Note 4)   (meta.code)
raErr 0.171 arcsec [0/51703] Mean error on RAdeg (raErr) (stat.error;pos.eq.ra)
decErr 0.456 arcsec [0/20301] Mean error on DEdeg (decErr) (stat.error;pos.eq.dec)
ObsDate2004.7925 yr (i) Mean Observation date (Note 6)   (time.epoch;obs;stat.mean)
Q1   [1/3] Quality of the observation: 1=bad 2=acceptable 3=good (meta.code.qual;obs.param;obs)
u22.127 mag (i) [4/38] Model magnitude in u filter, AB scale (u) (Note 5)   (phot.mag;em.opt.U)
err_u 0.355 mag Mean error on umag (err_u) (stat.error;phot.mag)
g20.866 mag (i) [5/40] Model magnitude in g filter, AB scale (g) (Note 5)   (phot.mag;em.opt.B)
err_g 0.068 mag Mean error on gmag (err_g) (stat.error;phot.mag)
r20.577 mag (i) [4/39] Model magnitude in r filter, AB scale (r) (Note 5)   (phot.mag;em.opt.R)
err_r 0.114 mag Mean error on rmag (err_r) (stat.error;phot.mag)
i20.495 mag (i) [3/40] Model magnitude in i filter, AB scale (i) (Note 5)   (phot.mag;em.opt.I)
err_i 0.130 mag Mean error on imag (err_i) (stat.error;phot.mag)
z20.282 mag (i) [3/38] Model magnitude in z filter, AB scale (z) (Note 5)   (phot.mag;em.opt.I)
err_z 0.277 mag Mean error on zmag (err_z) (stat.error;phot.mag)
zsp   (i) [-0.02/7.1] Spectroscopic redshift (when SpObjID>0) (Note 7)   (src.redshift)
e_zsp    Mean error on zsp (negative for bad fit) (Note 7)   (stat.error)
f_zsp    [0/196] "zwarning" flag (Note 9)   (meta.code)
velDisp  km/s [0/850] Velocity dispersion (velDisp) (phys.veloc.dispersion)
velDispErr  km/s Mean error on Vdisp (velDispErr) (stat.error)
instrument    Spectral instrument used (SDSS or BOSS) (instrument) (meta.id;instr)
sourceType    Source type (sourceType) (10) (list of types) (Note)   (src.class)
spCl    Spectroscopic class: GALAXY, QSO, STAR (meta.code.class;pos.parallax.spect)
subClass    Spectroscopic subclass (subClass) (Note 11)   (src.spType)
snMedian    [0/132] Median signal-to-noise over all good pixels (snMedian) (em.wl.central;stat.median)
flags_u 11258999202809105  Detection flags, u band (flags_u) (Note 3)   (meta.code)
probPSF_u0  0=notStar, 1=Star in u band (probPSF_u) (src.class.starGalaxy)
type_u3   [0/6] Phototype in u band, 6=Star (type_u) (Note 1)   (src.class.starGalaxy)
uDate2004.7925 yr Date of observation in u band (Note 6)   (time.epoch)
u'mag22.127 mag [4/38] Model magnitude in u' filter (= umag) (Note 5)   (phot.mag;em.opt.U)
e_u'mag 0.355 mag Mean error on u'mag (= e_umag) (stat.error;phot.mag)
psfMag_u23.218 mag [5/34] PSF magnitude in u band (psfMag_u) (phot.mag;em.opt.U)
psfMagErr_u 0.433 mag Mean error on upmag (psfMagErr_u) (stat.error;phot.mag)
petroMag_u21.082 mag [3/43] Petrosian magnitude in u band (petroMag_u) (phot.mag;em.opt.U)
petroMagErr_u 0.264 mag Mean error on uPmag (petroMagErr_u) (stat.error;phot.mag)
petroRad_u 11.307 arcsec [0/260] Petrosian radius in u band (petroRad_u) (phys.angSize;src)
petroRadErr_u  arcsec Mean error in uPrad (petroRadErr_u) (stat.error)
offsetRa_u -0.31 arcsec Offset of u position along RA (offsetRa_u) (pos.angDistance)
offsetDec_u -0.55 arcsec Offset of u position along Dec (offsetDec_u) (pos.angDistance)
deVRad_u 19.357 arcsec de Vaucouleurs fit radius, u band (deVRad_u) (phys.angSize;src)
udVell 0.509 arcsec de Vaucouleurs fit ellipt, u band (1-deVAB_u) (src.ellipticity)
deVPhi_u122.4 deg Position angle of dVrad in u band (deVPhi_u) (pos.posAng)
flags_g 2252074960060432  Detection flags, g band (flags_g) (Note 3)   (meta.code)
probPSF_g0  0=notStar, 1=Star in g band (probPSF_g) (src.class.starGalaxy)
type_g3  Phototype in g band, 6=Star (type_g) (Note 1)   (src.class.starGalaxy)
gDate2004.7925 yr Date of observation in g band (Note 6)   (time.epoch)
g'mag20.866 mag [5/39] Model magnitude in g' filter (= gmag) (Note 5)   (phot.mag;em.opt.B)
e_g'mag 0.068 mag Mean error on g'mag (= e_gmag) (stat.error;phot.mag)
psfMag_g21.901 mag [5/37] PSF magnitude in g band (psfMag_g) (phot.mag;em.opt.B)
psfMagErr_g 0.090 mag Mean error on gpmag (psfMagErr_g) (stat.error;phot.mag)
petroMag_g20.863 mag [4/46] Petrosian magnitude in g band (petroMag_g) (phot.mag;em.opt.B)
petroMagErr_g 0.116 mag Mean error on gPmag (petroMagErr_g) (stat.error;phot.mag)
petroRad_g 3.752 arcsec Petrosian radius in g band (petroRad_g) (phys.angSize;src)
petroRadErr_g 0.255 arcsec Mean error in gPrad (petroRadErr_g) (stat.error)
offsetRa_g -0.40 arcsec Offset of g position along RA (offsetRa_g) (pos.angDistance)
offsetDec_g -0.68 arcsec Offset of g position along Dec (offsetDec_g) (pos.angDistance)
deVRad_g 5.117 arcsec de Vaucouleurs fit radius, g band (deVRad_g) (phys.angSize;src)
gdVell 0.260 arcsec de Vaucouleurs fit ellipt, g band (1-deVAB_g) (src.ellipticity)
deVPhi_g 17.8 deg Position angle of dVrad in g band (deVPhi_g) (pos.posAng)
flags_r 6914004270350608  Detection flags, r band (flags_r) (Note 3)   (meta.code)
probPSF_r0  0=notStar, 1=Star in r band (probPSF_r) (src.class.starGalaxy)
type_r3  Phototype in r band, 6=Star (type_r) (Note 1)   (src.class.starGalaxy)
rDate2004.7925 yr Date of observation in r band (Note 6)   (time.epoch)
r'mag20.577 mag [4/39] Model magnitude in r' filter (= rmag) (Note 5)   (phot.mag;em.opt.R)
e_r'mag 0.114 mag Mean error on r'mag (= e_rmag) (stat.error;phot.mag)
psfMag_r21.745 mag [4/33] PSF magnitude in r band (psfMag_r) (phot.mag;em.opt.R)
psfMagErr_r 0.170 mag Mean error on rpmag (psfMagErr_r) (stat.error;phot.mag)
petroMag_r20.628 mag [4/43] Petrosian magnitude in r band (petroMag_r) (phot.mag;em.opt.R)
petroMagErr_r 0.222 mag Mean error on rPmag (petroMagErr_r) (stat.error;phot.mag)
petroRad_r 2.970 arcsec Petrosian radius in r band (petroRad_r) (phys.angSize;src)
petroRadErr_r  arcsec Mean error in rPrad (petroRadErr_r) (stat.error)
offsetRa_r 0.00 arcsec Offset of r position along RA (offsetRa_r) (pos.angDistance)
offsetDec_r 0.00 arcsec Offset of r position along Dec (offsetDec_r) (pos.angDistance)
deVRad_r 3.723 arcsec de Vaucouleurs fit radius, r band (deVRad_r) (phys.angSize;src)
rdVell 0.399 arcsec de Vaucouleurs fit ellipt, r band (1-deVAB_r) (src.ellipticity)
deVPhi_r 2.9 deg Position angle of dVrad in r band (deVPhi_r) (pos.posAng)
flags_i 2252075094278160  Detection flags, i band (flags_i) (Note 3)   (meta.code)
probPSF_i0  0=notStar, 1=Star in i band (probPSF_i) (src.class.starGalaxy)
type_i3  Phototype in i band, 6=Star (type_i) (Note 1)   (src.class.starGalaxy)
iDate2004.7925 yr Date of observation in i band (Note 6)   (time.epoch)
i'mag20.495 mag [3/40] Model magnitude in i' filter (= imag) (Note 5)   (phot.mag;em.opt.I)
e_i'mag 0.130 mag Mean error on i'mag (= e_imag) (stat.error;phot.mag)
psfMag_i21.833 mag [3/34] PSF magnitude in i band (psfMag_i) (phot.mag;em.opt.I)
psfMagErr_i 0.172 mag Mean error on ipmag (psfMagErr_i) (stat.error;phot.mag)
petroMag_i20.274 mag [3/45] Petrosian magnitude in i band (petroMag_i) (phot.mag;em.opt.I)
petroMagErr_i 0.210 mag Mean error on iPmag (petroMagErr_i) (stat.error;phot.mag)
petroRad_i 3.660 arcsec Petrosian radius in i band (petroRad_i) (phys.angSize;src)
petroRadErr_i 0.804 arcsec Mean error in iPrad (petroRadErr_i) (stat.error)
offsetRa_i -0.24 arcsec Offset of i position along RA (offsetRa_i) (pos.angDistance)
offsetDec_i -0.42 arcsec Offset of i position along Dec (offsetDec_i) (pos.angDistance)
deVRad_i 6.289 arcsec de Vaucouleurs fit radius, i band (deVRad_i) (phys.angSize;src)
idVell 0.164 arcsec de Vaucouleurs fit ellipt, i band (1-deVAB_i) (src.ellipticity)
deVPhi_i 28.0 deg Position angle of dVrad in i band (deVPhi_i) (pos.posAng)
flags_z 2251799948070929  Detection flags, z band (flags_z) (Note 3)   (meta.code)
probPSF_z0  0=notStar, 1=Star in z band (probPSF_z) (src.class.starGalaxy)
type_z3  Phototype in z band, 6=Star (type_z) (Note 1)   (src.class.starGalaxy)
zDate2004.7925 yr Date of observation in z band (Note 6)   (time.epoch)
z'mag20.282 mag [3/38] Model magnitude in z filter (= zmag) (Note 5)   (phot.mag;em.opt.I)
e_z'mag 0.277 mag Mean error on z'mag (= e_zmag) (stat.error;phot.mag)
psfMag_z21.523 mag [3/32] PSF magnitude in z band (psfMag_z) (phot.mag;em.opt.I)
psfMagErr_z 0.308 mag Mean error on zpmag (psfMagErr_z) (stat.error;phot.mag)
petroMag_z19.889 mag [3/42] Petrosian magnitude in z band (petroMag_z) (phot.mag;em.opt.I)
petroMagErr_z 0.389 mag Mean error on zPmag (petroMagErr_z) (stat.error;phot.mag)
petroRad_z 3.157 arcsec Petrosian radius in z band (petroRad_z) (phys.angSize;src)
petroRadErr_z 2.998 arcsec Mean error in zPrad (petroRadErr_z) (stat.error)
offsetRa_z -0.47 arcsec Offset of z position along RA (offsetRa_z) (pos.angDistance)
offsetDec_z -0.80 arcsec Offset of z position along Dec (offsetDec_z) (pos.angDistance)
deVRad_z 13.241 arcsec de Vaucouleurs fit radius, z band (deVRad_z) (phys.angSize;src)
zdVell 0.300 arcsec de Vaucouleurs fit ellipt, z band (1-deVAB_z) (src.ellipticity)
deVPhi_z 88.3 deg Position angle of dVrad in z band (deVPhi_z) (pos.posAng)
pmRa  mas/yr [-6121/4129] Proper motion along Right Ascension (pmRa) (Note 8)   (pos.pm;pos.eq.ra)
pmRaErr  mas/yr Mean error on pmRA (pmRaErr) (Note 8)   (stat.error;pos.pm;pos.eq.ra)
pmDec  mas/yr [-4846/4437] Proper motion along Declination (pmDec) (Note 8)   (pos.pm;pos.eq.dec)
pmDecErr  mas/yr Mean error on pmDE (pmDecErr) (Note 8)   (stat.error;pos.pm;pos.eq.dec)
sigRA  mas [0/8662] RMS residual of proper motion fit in RA (Note 8)   (stat.fit.residual)
sigDE  mas [0/10625] RMS residual of proper motion fit in Dec (Note 8)   (stat.fit.residual)
match    [1/4] Number of USNO-B objects matched within 1arcsec (match) (Note 8)   (meta.number)
nFit    [4/6] Number of detections used in the pm fit, including SDSS (nFit) (Note 8)   (meta.number)
g(O)    Magnitude from O plate recalibrated to g (Note 8)   (phot.mag;em.opt.B)
r(E)    Magnitude from E plate recalibrated to r (Note 8)   (phot.mag;em.opt.R)
g(J)    Magnitude from J plate recalibrated to g (Note 8)   (phot.mag;em.opt.B)
r(F)    Magnitude from F plate recalibrated to r (Note 8)   (phot.mag;em.opt.R)
i(N)    Magnitude from N plate recalibrated to i (Note 8)   (phot.mag;em.opt.I)
zph   (i) [-9999/] Photometric redshift; estimated by robust fit to nearest neighbors in a reference set (Note 12)   (src.redshift)
zErr    [-9999/] Estimated error of the photometric redshift (zErr) (Note 12)   (stat.error)
nnAvgZ    [0.009/0.9] average redshift of the nearest neighbors; if significantly different from zph this might be a better estimate than zph (nnAvgZ) (src.redshift.phot)
chisq_zph    Chi-square value for the minimum chi-square template fit (chisq_zph) (stat.value)
absMagU  mag [-644/4] rest frame u' absolute magnitude (absMagU) (phys.magAbs)
absMagG  mag [-472/3] rest frame g' absolute magnitude (absMagG) (phys.magAbs)
absMagR  mag [-351/3] rest frame r' absolute magnitude (absMagR) (phys.magAbs)
absMagI  mag [-271/7] rest frame i' absolute magnitude (absMagI) (phys.magAbs)
absMagZ  mag [-199/3] rest frame z' absolute magnitude (absMagZ) (phys.magAbs)
ColumnValue  Explain   (UCD)
_r0.273 arcsec Distance from center (049.970810-00.855759)[ICRS] (pos.angDistance)
_RAJ200003 19 52.98744 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000-00 51 20.9844 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195003 17 20.07488 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950-01 02 09.7646 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon182.79087390 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-45.76346518 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)

ra049.970781 deg (i) Right Ascension of the object (ICRS) (ra) (pos.eq.ra;meta.main)
dec-00.855829 deg (i) Declination of the object (ICRS) (dec) (pos.eq.dec;meta.main)
mode2   [1/2] 1: primary (469,053,874 sources), 2: secondary (324,960,094 sources) (meta.code.class)
clean    [+] '+' indicates clean photometry (310,190,812 sources with mode 1+) (clean) (meta.code.qual;instr.setup)
class3  Type of object (3=galaxy, 6=star) (Note 1)   (src.class)
SDSS12J031952.98-005120.9  (i) SDSS-DR12 name, based on J2000 position (meta.id)
m_SDSS12    [*] The asterisk indicates that 2 different SDSS objects share the same SDSS12 name (meta.code.multip)

DR12Im  Image from SDSS-server (DR12) (meta.ref.url)

SDSS-ID2738-301-1-0252-0416  (i) [0-9 -] SDSS object identifier (Note 2)   (meta.id)
objID1237657232770597280  (i) SDSS unique object identifier (2) (links to SDSS-DR12 details) (Note)   (meta.id;meta.main)
Sp-ID   (i) Spectroscopic Plate-MJD-Fiber identifier (7) (Note)   (meta.id)
SpObjID 0  Pointer to the spectrum of object, or 0 (Note 7)   (meta.id)
parentID1237657232770597279  Pointer to parent (if object deblended) (meta.id.parent)
flags 387099228504336  Photo Object Attribute flags (Note 3)   (meta.code.error)
Status1025  Hexadecimal status (Note 4)   (meta.code)
raErr 0.218 arcsec [0/51703] Mean error on RAdeg (raErr) (stat.error;pos.eq.ra)
decErr 0.135 arcsec [0/20301] Mean error on DEdeg (decErr) (stat.error;pos.eq.dec)
ObsDate2001.8900 yr (i) Mean Observation date (Note 6)   (time.epoch;obs;stat.mean)
Q3   [1/3] Quality of the observation: 1=bad 2=acceptable 3=good (meta.code.qual;obs.param;obs)
u22.359 mag (i) [4/38] Model magnitude in u filter, AB scale (u) (Note 5)   (phot.mag;em.opt.U)
err_u 0.648 mag Mean error on umag (err_u) (stat.error;phot.mag)
g22.123 mag (i) [5/40] Model magnitude in g filter, AB scale (g) (Note 5)   (phot.mag;em.opt.B)
err_g 0.230 mag Mean error on gmag (err_g) (stat.error;phot.mag)
r20.753 mag (i) [4/39] Model magnitude in r filter, AB scale (r) (Note 5)   (phot.mag;em.opt.R)
err_r 0.102 mag Mean error on rmag (err_r) (stat.error;phot.mag)
i22.213 mag (i) [3/40] Model magnitude in i filter, AB scale (i) (Note 5)   (phot.mag;em.opt.I)
err_i 0.552 mag Mean error on imag (err_i) (stat.error;phot.mag)
z20.504 mag (i) [3/38] Model magnitude in z filter, AB scale (z) (Note 5)   (phot.mag;em.opt.I)
err_z 0.423 mag Mean error on zmag (err_z) (stat.error;phot.mag)
zsp   (i) [-0.02/7.1] Spectroscopic redshift (when SpObjID>0) (Note 7)   (src.redshift)
e_zsp    Mean error on zsp (negative for bad fit) (Note 7)   (stat.error)
f_zsp    [0/196] "zwarning" flag (Note 9)   (meta.code)
velDisp  km/s [0/850] Velocity dispersion (velDisp) (phys.veloc.dispersion)
velDispErr  km/s Mean error on Vdisp (velDispErr) (stat.error)
instrument    Spectral instrument used (SDSS or BOSS) (instrument) (meta.id;instr)
sourceType    Source type (sourceType) (10) (list of types) (Note)   (src.class)
spCl    Spectroscopic class: GALAXY, QSO, STAR (meta.code.class;pos.parallax.spect)
subClass    Spectroscopic subclass (subClass) (Note 11)   (src.spType)
snMedian    [0/132] Median signal-to-noise over all good pixels (snMedian) (em.wl.central;stat.median)
flags_u 11329368215420945  Detection flags, u band (flags_u) (Note 3)   (meta.code)
probPSF_u0  0=notStar, 1=Star in u band (probPSF_u) (src.class.starGalaxy)
type_u3   [0/6] Phototype in u band, 6=Star (type_u) (Note 1)   (src.class.starGalaxy)
uDate2001.8900 yr Date of observation in u band (Note 6)   (time.epoch)
u'mag22.359 mag [4/38] Model magnitude in u' filter (= umag) (Note 5)   (phot.mag;em.opt.U)
e_u'mag 0.648 mag Mean error on u'mag (= e_umag) (stat.error;phot.mag)
psfMag_u23.742 mag [5/34] PSF magnitude in u band (psfMag_u) (phot.mag;em.opt.U)
psfMagErr_u 0.908 mag Mean error on upmag (psfMagErr_u) (stat.error;phot.mag)
petroMag_u21.950 mag [3/43] Petrosian magnitude in u band (petroMag_u) (phot.mag;em.opt.U)
petroMagErr_u 0.945 mag Mean error on uPmag (petroMagErr_u) (stat.error;phot.mag)
petroRad_u 0.834 arcsec [0/260] Petrosian radius in u band (petroRad_u) (phys.angSize;src)
petroRadErr_u 0.715 arcsec Mean error in uPrad (petroRadErr_u) (stat.error)
offsetRa_u 0.64 arcsec Offset of u position along RA (offsetRa_u) (pos.angDistance)
offsetDec_u -0.27 arcsec Offset of u position along Dec (offsetDec_u) (pos.angDistance)
deVRad_u 29.679 arcsec de Vaucouleurs fit radius, u band (deVRad_u) (phys.angSize;src)
udVell 0.050 arcsec de Vaucouleurs fit ellipt, u band (1-deVAB_u) (src.ellipticity)
deVPhi_u 50.7 deg Position angle of dVrad in u band (deVPhi_u) (pos.posAng)
flags_g 9007199397380369  Detection flags, g band (flags_g) (Note 3)   (meta.code)
probPSF_g0  0=notStar, 1=Star in g band (probPSF_g) (src.class.starGalaxy)
type_g3  Phototype in g band, 6=Star (type_g) (Note 1)   (src.class.starGalaxy)
gDate2001.8900 yr Date of observation in g band (Note 6)   (time.epoch)
g'mag22.123 mag [5/39] Model magnitude in g' filter (= gmag) (Note 5)   (phot.mag;em.opt.B)
e_g'mag 0.230 mag Mean error on g'mag (= e_gmag) (stat.error;phot.mag)
psfMag_g23.434 mag [5/37] PSF magnitude in g band (psfMag_g) (phot.mag;em.opt.B)
psfMagErr_g 0.355 mag Mean error on gpmag (psfMagErr_g) (stat.error;phot.mag)
petroMag_g22.206 mag [4/46] Petrosian magnitude in g band (petroMag_g) (phot.mag;em.opt.B)
petroMagErr_g 0.624 mag Mean error on gPmag (petroMagErr_g) (stat.error;phot.mag)
petroRad_g 2.970 arcsec Petrosian radius in g band (petroRad_g) (phys.angSize;src)
petroRadErr_g  arcsec Mean error in gPrad (petroRadErr_g) (stat.error)
offsetRa_g 0.14 arcsec Offset of g position along RA (offsetRa_g) (pos.angDistance)
offsetDec_g 0.31 arcsec Offset of g position along Dec (offsetDec_g) (pos.angDistance)
deVRad_g 6.375 arcsec de Vaucouleurs fit radius, g band (deVRad_g) (phys.angSize;src)
gdVell 0.050 arcsec de Vaucouleurs fit ellipt, g band (1-deVAB_g) (src.ellipticity)
deVPhi_g 34.4 deg Position angle of dVrad in g band (deVPhi_g) (pos.posAng)
flags_r 6755674587432208  Detection flags, r band (flags_r) (Note 3)   (meta.code)
probPSF_r0  0=notStar, 1=Star in r band (probPSF_r) (src.class.starGalaxy)
type_r3  Phototype in r band, 6=Star (type_r) (Note 1)   (src.class.starGalaxy)
rDate2001.8900 yr Date of observation in r band (Note 6)   (time.epoch)
r'mag20.753 mag [4/39] Model magnitude in r' filter (= rmag) (Note 5)   (phot.mag;em.opt.R)
e_r'mag 0.102 mag Mean error on r'mag (= e_rmag) (stat.error;phot.mag)
psfMag_r22.106 mag [4/33] PSF magnitude in r band (psfMag_r) (phot.mag;em.opt.R)
psfMagErr_r 0.132 mag Mean error on rpmag (psfMagErr_r) (stat.error;phot.mag)
petroMag_r20.717 mag [4/43] Petrosian magnitude in r band (petroMag_r) (phot.mag;em.opt.R)
petroMagErr_r 0.139 mag Mean error on rPmag (petroMagErr_r) (stat.error;phot.mag)
petroRad_r 7.360 arcsec Petrosian radius in r band (petroRad_r) (phys.angSize;src)
petroRadErr_r  arcsec Mean error in rPrad (petroRadErr_r) (stat.error)
offsetRa_r 0.00 arcsec Offset of r position along RA (offsetRa_r) (pos.angDistance)
offsetDec_r 0.00 arcsec Offset of r position along Dec (offsetDec_r) (pos.angDistance)
deVRad_r 5.116 arcsec de Vaucouleurs fit radius, r band (deVRad_r) (phys.angSize;src)
rdVell 0.573 arcsec de Vaucouleurs fit ellipt, r band (1-deVAB_r) (src.ellipticity)
deVPhi_r 48.4 deg Position angle of dVrad in r band (deVPhi_r) (pos.posAng)
flags_i 142639377  Detection flags, i band (flags_i) (Note 3)   (meta.code)
probPSF_i0  0=notStar, 1=Star in i band (probPSF_i) (src.class.starGalaxy)
type_i3  Phototype in i band, 6=Star (type_i) (Note 1)   (src.class.starGalaxy)
iDate2001.8900 yr Date of observation in i band (Note 6)   (time.epoch)
i'mag22.213 mag [3/40] Model magnitude in i' filter (= imag) (Note 5)   (phot.mag;em.opt.I)
e_i'mag 0.552 mag Mean error on i'mag (= e_imag) (stat.error;phot.mag)
psfMag_i23.527 mag [3/34] PSF magnitude in i band (psfMag_i) (phot.mag;em.opt.I)
psfMagErr_i 0.623 mag Mean error on ipmag (psfMagErr_i) (stat.error;phot.mag)
petroMag_i27.263 mag [3/45] Petrosian magnitude in i band (petroMag_i) (phot.mag;em.opt.I)
petroMagErr_i 0.693 mag Mean error on iPmag (petroMagErr_i) (stat.error;phot.mag)
petroRad_i 2.970 arcsec Petrosian radius in i band (petroRad_i) (phys.angSize;src)
petroRadErr_i  arcsec Mean error in iPrad (petroRadErr_i) (stat.error)
offsetRa_i 0.12 arcsec Offset of i position along RA (offsetRa_i) (pos.angDistance)
offsetDec_i 0.29 arcsec Offset of i position along Dec (offsetDec_i) (pos.angDistance)
deVRad_i 7.941 arcsec de Vaucouleurs fit radius, i band (deVRad_i) (phys.angSize;src)
idVell 0.050 arcsec de Vaucouleurs fit ellipt, i band (1-deVAB_i) (src.ellipticity)
deVPhi_i 52.9 deg Position angle of dVrad in i band (deVPhi_i) (pos.posAng)
flags_z 11258999202693137  Detection flags, z band (flags_z) (Note 3)   (meta.code)
probPSF_z0  0=notStar, 1=Star in z band (probPSF_z) (src.class.starGalaxy)
type_z3  Phototype in z band, 6=Star (type_z) (Note 1)   (src.class.starGalaxy)
zDate2001.8900 yr Date of observation in z band (Note 6)   (time.epoch)
z'mag20.504 mag [3/38] Model magnitude in z filter (= zmag) (Note 5)   (phot.mag;em.opt.I)
e_z'mag 0.423 mag Mean error on z'mag (= e_zmag) (stat.error;phot.mag)
psfMag_z21.747 mag [3/32] PSF magnitude in z band (psfMag_z) (phot.mag;em.opt.I)
psfMagErr_z 0.468 mag Mean error on zpmag (psfMagErr_z) (stat.error;phot.mag)
petroMag_z20.798 mag [3/42] Petrosian magnitude in z band (petroMag_z) (phot.mag;em.opt.I)
petroMagErr_z 1.236 mag Mean error on zPmag (petroMagErr_z) (stat.error;phot.mag)
petroRad_z 2.782 arcsec Petrosian radius in z band (petroRad_z) (phys.angSize;src)
petroRadErr_z 2.677 arcsec Mean error in zPrad (petroRadErr_z) (stat.error)
offsetRa_z 0.12 arcsec Offset of z position along RA (offsetRa_z) (pos.angDistance)
offsetDec_z 0.29 arcsec Offset of z position along Dec (offsetDec_z) (pos.angDistance)
deVRad_z 11.397 arcsec de Vaucouleurs fit radius, z band (deVRad_z) (phys.angSize;src)
zdVell 0.100 arcsec de Vaucouleurs fit ellipt, z band (1-deVAB_z) (src.ellipticity)
deVPhi_z 0.0 deg Position angle of dVrad in z band (deVPhi_z) (pos.posAng)
pmRa  mas/yr [-6121/4129] Proper motion along Right Ascension (pmRa) (Note 8)   (pos.pm;pos.eq.ra)
pmRaErr  mas/yr Mean error on pmRA (pmRaErr) (Note 8)   (stat.error;pos.pm;pos.eq.ra)
pmDec  mas/yr [-4846/4437] Proper motion along Declination (pmDec) (Note 8)   (pos.pm;pos.eq.dec)
pmDecErr  mas/yr Mean error on pmDE (pmDecErr) (Note 8)   (stat.error;pos.pm;pos.eq.dec)
sigRA  mas [0/8662] RMS residual of proper motion fit in RA (Note 8)   (stat.fit.residual)
sigDE  mas [0/10625] RMS residual of proper motion fit in Dec (Note 8)   (stat.fit.residual)
match    [1/4] Number of USNO-B objects matched within 1arcsec (match) (Note 8)   (meta.number)
nFit    [4/6] Number of detections used in the pm fit, including SDSS (nFit) (Note 8)   (meta.number)
g(O)    Magnitude from O plate recalibrated to g (Note 8)   (phot.mag;em.opt.B)
r(E)    Magnitude from E plate recalibrated to r (Note 8)   (phot.mag;em.opt.R)
g(J)    Magnitude from J plate recalibrated to g (Note 8)   (phot.mag;em.opt.B)
r(F)    Magnitude from F plate recalibrated to r (Note 8)   (phot.mag;em.opt.R)
i(N)    Magnitude from N plate recalibrated to i (Note 8)   (phot.mag;em.opt.I)
zph   (i) [-9999/] Photometric redshift; estimated by robust fit to nearest neighbors in a reference set (Note 12)   (src.redshift)
zErr    [-9999/] Estimated error of the photometric redshift (zErr) (Note 12)   (stat.error)
nnAvgZ    [0.009/0.9] average redshift of the nearest neighbors; if significantly different from zph this might be a better estimate than zph (nnAvgZ) (src.redshift.phot)
chisq_zph    Chi-square value for the minimum chi-square template fit (chisq_zph) (stat.value)
absMagU  mag [-644/4] rest frame u' absolute magnitude (absMagU) (phys.magAbs)
absMagG  mag [-472/3] rest frame g' absolute magnitude (absMagG) (phys.magAbs)
absMagR  mag [-351/3] rest frame r' absolute magnitude (absMagR) (phys.magAbs)
absMagI  mag [-271/7] rest frame i' absolute magnitude (absMagI) (phys.magAbs)
absMagZ  mag [-199/3] rest frame z' absolute magnitude (absMagZ) (phys.magAbs)
ColumnValue  Explain   (UCD)
_r0.288 arcsec Distance from center (049.970810-00.855759)[ICRS] (pos.angDistance)
_RAJ200003 19 52.98072 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000-00 51 20.5308 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195003 17 20.06805 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950-01 02 09.3114 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon182.79070926 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-45.76340630 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)

ra049.970753 deg (i) Right Ascension of the object (ICRS) (ra) (pos.eq.ra;meta.main)
dec-00.855703 deg (i) Declination of the object (ICRS) (dec) (pos.eq.dec;meta.main)
mode2   [1/2] 1: primary (469,053,874 sources), 2: secondary (324,960,094 sources) (meta.code.class)
clean    [+] '+' indicates clean photometry (310,190,812 sources with mode 1+) (clean) (meta.code.qual;instr.setup)
class3  Type of object (3=galaxy, 6=star) (Note 1)   (src.class)
SDSS12J031952.98-005120.5  (i) SDSS-DR12 name, based on J2000 position (meta.id)
m_SDSS12    [*] The asterisk indicates that 2 different SDSS objects share the same SDSS12 name (meta.code.multip)

DR12Im  Image from SDSS-server (DR12) (meta.ref.url)

SDSS-ID4874-301-1-0755-0387  (i) [0-9 -] SDSS object identifier (Note 2)   (meta.id)
objID1237666406853706115  (i) SDSS unique object identifier (2) (links to SDSS-DR12 details) (Note)   (meta.id;meta.main)
Sp-ID   (i) Spectroscopic Plate-MJD-Fiber identifier (7) (Note)   (meta.id)
SpObjID 0  Pointer to the spectrum of object, or 0 (Note 7)   (meta.id)
parentID 0  Pointer to parent (if object deblended) (meta.id.parent)
flags 2450547277824  Photo Object Attribute flags (Note 3)   (meta.code.error)
Status1025  Hexadecimal status (Note 4)   (meta.code)
raErr 0.121 arcsec [0/51703] Mean error on RAdeg (raErr) (stat.error;pos.eq.ra)
decErr 0.150 arcsec [0/20301] Mean error on DEdeg (decErr) (stat.error;pos.eq.dec)
ObsDate2004.7759 yr (i) Mean Observation date (Note 6)   (time.epoch;obs;stat.mean)
Q3   [1/3] Quality of the observation: 1=bad 2=acceptable 3=good (meta.code.qual;obs.param;obs)
u22.638 mag (i) [4/38] Model magnitude in u filter, AB scale (u) (Note 5)   (phot.mag;em.opt.U)
err_u 0.716 mag Mean error on umag (err_u) (stat.error;phot.mag)
g20.716 mag (i) [5/40] Model magnitude in g filter, AB scale (g) (Note 5)   (phot.mag;em.opt.B)
err_g 0.057 mag Mean error on gmag (err_g) (stat.error;phot.mag)
r20.447 mag (i) [4/39] Model magnitude in r filter, AB scale (r) (Note 5)   (phot.mag;em.opt.R)
err_r 0.069 mag Mean error on rmag (err_r) (stat.error;phot.mag)
i20.127 mag (i) [3/40] Model magnitude in i filter, AB scale (i) (Note 5)   (phot.mag;em.opt.I)
err_i 0.082 mag Mean error on imag (err_i) (stat.error;phot.mag)
z20.488 mag (i) [3/38] Model magnitude in z filter, AB scale (z) (Note 5)   (phot.mag;em.opt.I)
err_z 0.411 mag Mean error on zmag (err_z) (stat.error;phot.mag)
zsp   (i) [-0.02/7.1] Spectroscopic redshift (when SpObjID>0) (Note 7)   (src.redshift)
e_zsp    Mean error on zsp (negative for bad fit) (Note 7)   (stat.error)
f_zsp    [0/196] "zwarning" flag (Note 9)   (meta.code)
velDisp  km/s [0/850] Velocity dispersion (velDisp) (phys.veloc.dispersion)
velDispErr  km/s Mean error on Vdisp (velDispErr) (stat.error)
instrument    Spectral instrument used (SDSS or BOSS) (instrument) (meta.id;instr)
sourceType    Source type (sourceType) (10) (list of types) (Note)   (src.class)
spCl    Spectroscopic class: GALAXY, QSO, STAR (meta.code.class;pos.parallax.spect)
subClass    Spectroscopic subclass (subClass) (Note 11)   (src.spType)
snMedian    [0/132] Median signal-to-noise over all good pixels (snMedian) (em.wl.central;stat.median)
flags_u 9007199388991489  Detection flags, u band (flags_u) (Note 3)   (meta.code)
probPSF_u0  0=notStar, 1=Star in u band (probPSF_u) (src.class.starGalaxy)
type_u3   [0/6] Phototype in u band, 6=Star (type_u) (Note 1)   (src.class.starGalaxy)
uDate2004.7759 yr Date of observation in u band (Note 6)   (time.epoch)
u'mag22.638 mag [4/38] Model magnitude in u' filter (= umag) (Note 5)   (phot.mag;em.opt.U)
e_u'mag 0.716 mag Mean error on u'mag (= e_umag) (stat.error;phot.mag)
psfMag_u23.522 mag [5/34] PSF magnitude in u band (psfMag_u) (phot.mag;em.opt.U)
psfMagErr_u 0.647 mag Mean error on upmag (psfMagErr_u) (stat.error;phot.mag)
petroMag_u21.924 mag [3/43] Petrosian magnitude in u band (petroMag_u) (phot.mag;em.opt.U)
petroMagErr_u 1.070 mag Mean error on uPmag (petroMagErr_u) (stat.error;phot.mag)
petroRad_u 0.091 arcsec [0/260] Petrosian radius in u band (petroRad_u) (phys.angSize;src)
petroRadErr_u 0.042 arcsec Mean error in uPrad (petroRadErr_u) (stat.error)
offsetRa_u 0.03 arcsec Offset of u position along RA (offsetRa_u) (pos.angDistance)
offsetDec_u 0.00 arcsec Offset of u position along Dec (offsetDec_u) (pos.angDistance)
deVRad_u 1.722 arcsec de Vaucouleurs fit radius, u band (deVRad_u) (phys.angSize;src)
udVell 0.050 arcsec de Vaucouleurs fit ellipt, u band (1-deVAB_u) (src.ellipticity)
deVPhi_u180.0 deg Position angle of dVrad in u band (deVPhi_u) (pos.posAng)
flags_g 275146375168  Detection flags, g band (flags_g) (Note 3)   (meta.code)
probPSF_g0  0=notStar, 1=Star in g band (probPSF_g) (src.class.starGalaxy)
type_g3  Phototype in g band, 6=Star (type_g) (Note 1)   (src.class.starGalaxy)
gDate2004.7759 yr Date of observation in g band (Note 6)   (time.epoch)
g'mag20.716 mag [5/39] Model magnitude in g' filter (= gmag) (Note 5)   (phot.mag;em.opt.B)
e_g'mag 0.057 mag Mean error on g'mag (= e_gmag) (stat.error;phot.mag)
psfMag_g22.092 mag [5/37] PSF magnitude in g band (psfMag_g) (phot.mag;em.opt.B)
psfMagErr_g 0.080 mag Mean error on gpmag (psfMagErr_g) (stat.error;phot.mag)
petroMag_g20.813 mag [4/46] Petrosian magnitude in g band (petroMag_g) (phot.mag;em.opt.B)
petroMagErr_g 0.130 mag Mean error on gPmag (petroMagErr_g) (stat.error;phot.mag)
petroRad_g 3.335 arcsec Petrosian radius in g band (petroRad_g) (phys.angSize;src)
petroRadErr_g 0.280 arcsec Mean error in gPrad (petroRadErr_g) (stat.error)
offsetRa_g 0.30 arcsec Offset of g position along RA (offsetRa_g) (pos.angDistance)
offsetDec_g -0.49 arcsec Offset of g position along Dec (offsetDec_g) (pos.angDistance)
deVRad_g 5.118 arcsec de Vaucouleurs fit radius, g band (deVRad_g) (phys.angSize;src)
gdVell 0.315 arcsec de Vaucouleurs fit ellipt, g band (1-deVAB_g) (src.ellipticity)
deVPhi_g 20.7 deg Position angle of dVrad in g band (deVPhi_g) (pos.posAng)
flags_r 4503874773745664  Detection flags, r band (flags_r) (Note 3)   (meta.code)
probPSF_r0  0=notStar, 1=Star in r band (probPSF_r) (src.class.starGalaxy)
type_r3  Phototype in r band, 6=Star (type_r) (Note 1)   (src.class.starGalaxy)
rDate2004.7759 yr Date of observation in r band (Note 6)   (time.epoch)
r'mag20.447 mag [4/39] Model magnitude in r' filter (= rmag) (Note 5)   (phot.mag;em.opt.R)
e_r'mag 0.069 mag Mean error on r'mag (= e_rmag) (stat.error;phot.mag)
psfMag_r22.095 mag [4/33] PSF magnitude in r band (psfMag_r) (phot.mag;em.opt.R)
psfMagErr_r 0.101 mag Mean error on rpmag (psfMagErr_r) (stat.error;phot.mag)
petroMag_r20.602 mag [4/43] Petrosian magnitude in r band (petroMag_r) (phot.mag;em.opt.R)
petroMagErr_r 0.112 mag Mean error on rPmag (petroMagErr_r) (stat.error;phot.mag)
petroRad_r 3.561 arcsec Petrosian radius in r band (petroRad_r) (phys.angSize;src)
petroRadErr_r 0.477 arcsec Mean error in rPrad (petroRadErr_r) (stat.error)
offsetRa_r 0.00 arcsec Offset of r position along RA (offsetRa_r) (pos.angDistance)
offsetDec_r 0.00 arcsec Offset of r position along Dec (offsetDec_r) (pos.angDistance)
deVRad_r 6.373 arcsec de Vaucouleurs fit radius, r band (deVRad_r) (phys.angSize;src)
rdVell 0.272 arcsec de Vaucouleurs fit ellipt, r band (1-deVAB_r) (src.ellipticity)
deVPhi_r 25.7 deg Position angle of dVrad in r band (deVPhi_r) (pos.posAng)
flags_i 275146375168  Detection flags, i band (flags_i) (Note 3)   (meta.code)
probPSF_i0  0=notStar, 1=Star in i band (probPSF_i) (src.class.starGalaxy)
type_i3  Phototype in i band, 6=Star (type_i) (Note 1)   (src.class.starGalaxy)
iDate2004.7759 yr Date of observation in i band (Note 6)   (time.epoch)
i'mag20.127 mag [3/40] Model magnitude in i' filter (= imag) (Note 5)   (phot.mag;em.opt.I)
e_i'mag 0.082 mag Mean error on i'mag (= e_imag) (stat.error;phot.mag)
psfMag_i21.524 mag [3/34] PSF magnitude in i band (psfMag_i) (phot.mag;em.opt.I)
psfMagErr_i 0.106 mag Mean error on ipmag (psfMagErr_i) (stat.error;phot.mag)
petroMag_i20.710 mag [3/45] Petrosian magnitude in i band (petroMag_i) (phot.mag;em.opt.I)
petroMagErr_i 0.322 mag Mean error on iPmag (petroMagErr_i) (stat.error;phot.mag)
petroRad_i 3.176 arcsec Petrosian radius in i band (petroRad_i) (phys.angSize;src)
petroRadErr_i 1.722 arcsec Mean error in iPrad (petroRadErr_i) (stat.error)
offsetRa_i 0.27 arcsec Offset of i position along RA (offsetRa_i) (pos.angDistance)
offsetDec_i -0.58 arcsec Offset of i position along Dec (offsetDec_i) (pos.angDistance)
deVRad_i 4.485 arcsec de Vaucouleurs fit radius, i band (deVRad_i) (phys.angSize;src)
idVell 0.260 arcsec de Vaucouleurs fit ellipt, i band (1-deVAB_i) (src.ellipticity)
deVPhi_i 20.7 deg Position angle of dVrad in i band (deVPhi_i) (pos.posAng)
flags_z 9007199388991489  Detection flags, z band (flags_z) (Note 3)   (meta.code)
probPSF_z0  0=notStar, 1=Star in z band (probPSF_z) (src.class.starGalaxy)
type_z3  Phototype in z band, 6=Star (type_z) (Note 1)   (src.class.starGalaxy)
zDate2004.7759 yr Date of observation in z band (Note 6)   (time.epoch)
z'mag20.488 mag [3/38] Model magnitude in z filter (= zmag) (Note 5)   (phot.mag;em.opt.I)
e_z'mag 0.411 mag Mean error on z'mag (= e_zmag) (stat.error;phot.mag)
psfMag_z22.563 mag [3/32] PSF magnitude in z band (psfMag_z) (phot.mag;em.opt.I)
psfMagErr_z 0.610 mag Mean error on zpmag (psfMagErr_z) (stat.error;phot.mag)
petroMag_z22.939 mag [3/42] Petrosian magnitude in z band (petroMag_z) (phot.mag;em.opt.I)
petroMagErr_z 4.051 mag Mean error on zPmag (petroMagErr_z) (stat.error;phot.mag)
petroRad_z 0.084 arcsec Petrosian radius in z band (petroRad_z) (phys.angSize;src)
petroRadErr_z 1.584 arcsec Mean error in zPrad (petroRadErr_z) (stat.error)
offsetRa_z 0.03 arcsec Offset of z position along RA (offsetRa_z) (pos.angDistance)
offsetDec_z 0.01 arcsec Offset of z position along Dec (offsetDec_z) (pos.angDistance)
deVRad_z 0.074 arcsec de Vaucouleurs fit radius, z band (deVRad_z) (phys.angSize;src)
zdVell 1.000 arcsec de Vaucouleurs fit ellipt, z band (1-deVAB_z) (src.ellipticity)
deVPhi_z107.2 deg Position angle of dVrad in z band (deVPhi_z) (pos.posAng)
pmRa  mas/yr [-6121/4129] Proper motion along Right Ascension (pmRa) (Note 8)   (pos.pm;pos.eq.ra)
pmRaErr  mas/yr Mean error on pmRA (pmRaErr) (Note 8)   (stat.error;pos.pm;pos.eq.ra)
pmDec  mas/yr [-4846/4437] Proper motion along Declination (pmDec) (Note 8)   (pos.pm;pos.eq.dec)
pmDecErr  mas/yr Mean error on pmDE (pmDecErr) (Note 8)   (stat.error;pos.pm;pos.eq.dec)
sigRA  mas [0/8662] RMS residual of proper motion fit in RA (Note 8)   (stat.fit.residual)
sigDE  mas [0/10625] RMS residual of proper motion fit in Dec (Note 8)   (stat.fit.residual)
match    [1/4] Number of USNO-B objects matched within 1arcsec (match) (Note 8)   (meta.number)
nFit    [4/6] Number of detections used in the pm fit, including SDSS (nFit) (Note 8)   (meta.number)
g(O)    Magnitude from O plate recalibrated to g (Note 8)   (phot.mag;em.opt.B)
r(E)    Magnitude from E plate recalibrated to r (Note 8)   (phot.mag;em.opt.R)
g(J)    Magnitude from J plate recalibrated to g (Note 8)   (phot.mag;em.opt.B)
r(F)    Magnitude from F plate recalibrated to r (Note 8)   (phot.mag;em.opt.R)
i(N)    Magnitude from N plate recalibrated to i (Note 8)   (phot.mag;em.opt.I)
zph   (i) [-9999/] Photometric redshift; estimated by robust fit to nearest neighbors in a reference set (Note 12)   (src.redshift)
zErr    [-9999/] Estimated error of the photometric redshift (zErr) (Note 12)   (stat.error)
nnAvgZ    [0.009/0.9] average redshift of the nearest neighbors; if significantly different from zph this might be a better estimate than zph (nnAvgZ) (src.redshift.phot)
chisq_zph    Chi-square value for the minimum chi-square template fit (chisq_zph) (stat.value)
absMagU  mag [-644/4] rest frame u' absolute magnitude (absMagU) (phys.magAbs)
absMagG  mag [-472/3] rest frame g' absolute magnitude (absMagG) (phys.magAbs)
absMagR  mag [-351/3] rest frame r' absolute magnitude (absMagR) (phys.magAbs)
absMagI  mag [-271/7] rest frame i' absolute magnitude (absMagI) (phys.magAbs)
absMagZ  mag [-199/3] rest frame z' absolute magnitude (absMagZ) (phys.magAbs)
ColumnValue  Explain   (UCD)
_r0.294 arcsec Distance from center (049.970810-00.855759)[ICRS] (pos.angDistance)
_RAJ200003 19 52.98936 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000-00 51 21.0168 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195003 17 20.07681 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950-01 02 09.7969 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon182.79089115 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-45.76346477 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)

ra049.970789 deg (i) Right Ascension of the object (ICRS) (ra) (pos.eq.ra;meta.main)
dec-00.855838 deg (i) Declination of the object (ICRS) (dec) (pos.eq.dec;meta.main)
mode2   [1/2] 1: primary (469,053,874 sources), 2: secondary (324,960,094 sources) (meta.code.class)
clean    [+] '+' indicates clean photometry (310,190,812 sources with mode 1+) (clean) (meta.code.qual;instr.setup)
class3  Type of object (3=galaxy, 6=star) (Note 1)   (src.class)
SDSS12J031952.98-005121.0  (i) SDSS-DR12 name, based on J2000 position (meta.id)
m_SDSS12*   [*] The asterisk indicates that 2 different SDSS objects share the same SDSS12 name (meta.code.multip)

DR12Im  Image from SDSS-server (DR12) (meta.ref.url)

SDSS-ID2578-301-1-0144-0469  (i) [0-9 -] SDSS object identifier (Note 2)   (meta.id)
objID1237656545568752085  (i) SDSS unique object identifier (2) (links to SDSS-DR12 details) (Note)   (meta.id;meta.main)
Sp-ID   (i) Spectroscopic Plate-MJD-Fiber identifier (7) (Note)   (meta.id)
SpObjID 0  Pointer to the spectrum of object, or 0 (Note 7)   (meta.id)
parentID1237656545568752083  Pointer to parent (if object deblended) (meta.id.parent)
flags 105624285217112  Photo Object Attribute flags (Note 3)   (meta.code.error)
Status1025  Hexadecimal status (Note 4)   (meta.code)
raErr 0.161 arcsec [0/51703] Mean error on RAdeg (raErr) (stat.error;pos.eq.ra)
decErr 0.137 arcsec [0/20301] Mean error on DEdeg (decErr) (stat.error;pos.eq.dec)
ObsDate2001.7178 yr (i) Mean Observation date (Note 6)   (time.epoch;obs;stat.mean)
Q3   [1/3] Quality of the observation: 1=bad 2=acceptable 3=good (meta.code.qual;obs.param;obs)
u22.502 mag (i) [4/38] Model magnitude in u filter, AB scale (u) (Note 5)   (phot.mag;em.opt.U)
err_u 0.760 mag Mean error on umag (err_u) (stat.error;phot.mag)
g22.430 mag (i) [5/40] Model magnitude in g filter, AB scale (g) (Note 5)   (phot.mag;em.opt.B)
err_g 0.339 mag Mean error on gmag (err_g) (stat.error;phot.mag)
r22.143 mag (i) [4/39] Model magnitude in r filter, AB scale (r) (Note 5)   (phot.mag;em.opt.R)
err_r 0.375 mag Mean error on rmag (err_r) (stat.error;phot.mag)
i20.803 mag (i) [3/40] Model magnitude in i filter, AB scale (i) (Note 5)   (phot.mag;em.opt.I)
err_i 0.167 mag Mean error on imag (err_i) (stat.error;phot.mag)
z20.783 mag (i) [3/38] Model magnitude in z filter, AB scale (z) (Note 5)   (phot.mag;em.opt.I)
err_z 0.611 mag Mean error on zmag (err_z) (stat.error;phot.mag)
zsp   (i) [-0.02/7.1] Spectroscopic redshift (when SpObjID>0) (Note 7)   (src.redshift)
e_zsp    Mean error on zsp (negative for bad fit) (Note 7)   (stat.error)
f_zsp    [0/196] "zwarning" flag (Note 9)   (meta.code)
velDisp  km/s [0/850] Velocity dispersion (velDisp) (phys.veloc.dispersion)
velDispErr  km/s Mean error on Vdisp (velDispErr) (stat.error)
instrument    Spectral instrument used (SDSS or BOSS) (instrument) (meta.id;instr)
sourceType    Source type (sourceType) (10) (list of types) (Note)   (src.class)
spCl    Spectroscopic class: GALAXY, QSO, STAR (meta.code.class;pos.parallax.spect)
subClass    Spectroscopic subclass (subClass) (Note 11)   (src.spType)
snMedian    [0/132] Median signal-to-noise over all good pixels (snMedian) (em.wl.central;stat.median)
flags_u 9077568309330201  Detection flags, u band (flags_u) (Note 3)   (meta.code)
probPSF_u1  0=notStar, 1=Star in u band (probPSF_u) (src.class.starGalaxy)
type_u6   [0/6] Phototype in u band, 6=Star (type_u) (Note 1)   (src.class.starGalaxy)
uDate2001.7178 yr Date of observation in u band (Note 6)   (time.epoch)
u'mag22.502 mag [4/38] Model magnitude in u' filter (= umag) (Note 5)   (phot.mag;em.opt.U)
e_u'mag 0.760 mag Mean error on u'mag (= e_umag) (stat.error;phot.mag)
psfMag_u23.149 mag [5/34] PSF magnitude in u band (psfMag_u) (phot.mag;em.opt.U)
psfMagErr_u 0.483 mag Mean error on upmag (psfMagErr_u) (stat.error;phot.mag)
petroMag_u22.904 mag [3/43] Petrosian magnitude in u band (petroMag_u) (phot.mag;em.opt.U)
petroMagErr_u 2.084 mag Mean error on uPmag (petroMagErr_u) (stat.error;phot.mag)
petroRad_u 2.971 arcsec [0/260] Petrosian radius in u band (petroRad_u) (phys.angSize;src)
petroRadErr_u  arcsec Mean error in uPrad (petroRadErr_u) (stat.error)
offsetRa_u 0.12 arcsec Offset of u position along RA (offsetRa_u) (pos.angDistance)
offsetDec_u -0.24 arcsec Offset of u position along Dec (offsetDec_u) (pos.angDistance)
deVRad_u 0.191 arcsec de Vaucouleurs fit radius, u band (deVRad_u) (phys.angSize;src)
udVell 0.139 arcsec de Vaucouleurs fit ellipt, u band (1-deVAB_u) (src.ellipticity)
deVPhi_u 49.5 deg Position angle of dVrad in u band (deVPhi_u) (pos.posAng)
flags_g 70369054605593  Detection flags, g band (flags_g) (Note 3)   (meta.code)
probPSF_g0  0=notStar, 1=Star in g band (probPSF_g) (src.class.starGalaxy)
type_g3  Phototype in g band, 6=Star (type_g) (Note 1)   (src.class.starGalaxy)
gDate2001.7178 yr Date of observation in g band (Note 6)   (time.epoch)
g'mag22.430 mag [5/39] Model magnitude in g' filter (= gmag) (Note 5)   (phot.mag;em.opt.B)
e_g'mag 0.339 mag Mean error on g'mag (= e_gmag) (stat.error;phot.mag)
psfMag_g23.436 mag [5/37] PSF magnitude in g band (psfMag_g) (phot.mag;em.opt.B)
psfMagErr_g 0.350 mag Mean error on gpmag (psfMagErr_g) (stat.error;phot.mag)
petroMag_g23.381 mag [4/46] Petrosian magnitude in g band (petroMag_g) (phot.mag;em.opt.B)
petroMagErr_g 2.142 mag Mean error on gPmag (petroMagErr_g) (stat.error;phot.mag)
petroRad_g 2.970 arcsec Petrosian radius in g band (petroRad_g) (phys.angSize;src)
petroRadErr_g  arcsec Mean error in gPrad (petroRadErr_g) (stat.error)
offsetRa_g -0.36 arcsec Offset of g position along RA (offsetRa_g) (pos.angDistance)
offsetDec_g -0.43 arcsec Offset of g position along Dec (offsetDec_g) (pos.angDistance)
deVRad_g 0.325 arcsec de Vaucouleurs fit radius, g band (deVRad_g) (phys.angSize;src)
gdVell 0.050 arcsec de Vaucouleurs fit ellipt, g band (1-deVAB_g) (src.ellipticity)
deVPhi_g 46.5 deg Position angle of dVrad in g band (deVPhi_g) (pos.posAng)
flags_r 9007199397380121  Detection flags, r band (flags_r) (Note 3)   (meta.code)
probPSF_r0  0=notStar, 1=Star in r band (probPSF_r) (src.class.starGalaxy)
type_r3  Phototype in r band, 6=Star (type_r) (Note 1)   (src.class.starGalaxy)
rDate2001.7178 yr Date of observation in r band (Note 6)   (time.epoch)
r'mag22.143 mag [4/39] Model magnitude in r' filter (= rmag) (Note 5)   (phot.mag;em.opt.R)
e_r'mag 0.375 mag Mean error on r'mag (= e_rmag) (stat.error;phot.mag)
psfMag_r23.488 mag [4/33] PSF magnitude in r band (psfMag_r) (phot.mag;em.opt.R)
psfMagErr_r 0.456 mag Mean error on rpmag (psfMagErr_r) (stat.error;phot.mag)
petroMag_r22.638 mag [4/43] Petrosian magnitude in r band (petroMag_r) (phot.mag;em.opt.R)
petroMagErr_r 1.528 mag Mean error on rPmag (petroMagErr_r) (stat.error;phot.mag)
petroRad_r 1.258 arcsec Petrosian radius in r band (petroRad_r) (phys.angSize;src)
petroRadErr_r 1.121 arcsec Mean error in rPrad (petroRadErr_r) (stat.error)
offsetRa_r 0.11 arcsec Offset of r position along RA (offsetRa_r) (pos.angDistance)
offsetDec_r 0.22 arcsec Offset of r position along Dec (offsetDec_r) (pos.angDistance)
deVRad_r 1.369 arcsec de Vaucouleurs fit radius, r band (deVRad_r) (phys.angSize;src)
rdVell 0.050 arcsec de Vaucouleurs fit ellipt, r band (1-deVAB_r) (src.ellipticity)
deVPhi_r 48.2 deg Position angle of dVrad in r band (deVPhi_r) (pos.posAng)
flags_i 4503874807300120  Detection flags, i band (flags_i) (Note 3)   (meta.code)
probPSF_i0  0=notStar, 1=Star in i band (probPSF_i) (src.class.starGalaxy)
type_i3  Phototype in i band, 6=Star (type_i) (Note 1)   (src.class.starGalaxy)
iDate2001.7178 yr Date of observation in i band (Note 6)   (time.epoch)
i'mag20.803 mag [3/40] Model magnitude in i' filter (= imag) (Note 5)   (phot.mag;em.opt.I)
e_i'mag 0.167 mag Mean error on i'mag (= e_imag) (stat.error;phot.mag)
psfMag_i22.372 mag [3/34] PSF magnitude in i band (psfMag_i) (phot.mag;em.opt.I)
psfMagErr_i 0.213 mag Mean error on ipmag (psfMagErr_i) (stat.error;phot.mag)
petroMag_i21.383 mag [3/45] Petrosian magnitude in i band (petroMag_i) (phot.mag;em.opt.I)
petroMagErr_i 0.362 mag Mean error on iPmag (petroMagErr_i) (stat.error;phot.mag)
petroRad_i 3.639 arcsec Petrosian radius in i band (petroRad_i) (phys.angSize;src)
petroRadErr_i 0.752 arcsec Mean error in iPrad (petroRadErr_i) (stat.error)
offsetRa_i 0.00 arcsec Offset of i position along RA (offsetRa_i) (pos.angDistance)
offsetDec_i 0.00 arcsec Offset of i position along Dec (offsetDec_i) (pos.angDistance)
deVRad_i 6.040 arcsec de Vaucouleurs fit radius, i band (deVRad_i) (phys.angSize;src)
idVell 0.050 arcsec de Vaucouleurs fit ellipt, i band (1-deVAB_i) (src.ellipticity)
deVPhi_i 59.8 deg Position angle of dVrad in i band (deVPhi_i) (pos.posAng)
flags_z 9007199422545945  Detection flags, z band (flags_z) (Note 3)   (meta.code)
probPSF_z0  0=notStar, 1=Star in z band (probPSF_z) (src.class.starGalaxy)
type_z3  Phototype in z band, 6=Star (type_z) (Note 1)   (src.class.starGalaxy)
zDate2001.7178 yr Date of observation in z band (Note 6)   (time.epoch)
z'mag20.783 mag [3/38] Model magnitude in z filter (= zmag) (Note 5)   (phot.mag;em.opt.I)
e_z'mag 0.611 mag Mean error on z'mag (= e_zmag) (stat.error;phot.mag)
psfMag_z21.795 mag [3/32] PSF magnitude in z band (psfMag_z) (phot.mag;em.opt.I)
psfMagErr_z 0.420 mag Mean error on zpmag (psfMagErr_z) (stat.error;phot.mag)
petroMag_z24.507 mag [3/42] Petrosian magnitude in z band (petroMag_z) (phot.mag;em.opt.I)
petroMagErr_z 1.768 mag Mean error on zPmag (petroMagErr_z) (stat.error;phot.mag)
petroRad_z 1.062 arcsec Petrosian radius in z band (petroRad_z) (phys.angSize;src)
petroRadErr_z 1.007 arcsec Mean error in zPrad (petroRadErr_z) (stat.error)
offsetRa_z 0.12 arcsec Offset of z position along RA (offsetRa_z) (pos.angDistance)
offsetDec_z 0.21 arcsec Offset of z position along Dec (offsetDec_z) (pos.angDistance)
deVRad_z 0.464 arcsec de Vaucouleurs fit radius, z band (deVRad_z) (phys.angSize;src)
zdVell 0.050 arcsec de Vaucouleurs fit ellipt, z band (1-deVAB_z) (src.ellipticity)
deVPhi_z 72.2 deg Position angle of dVrad in z band (deVPhi_z) (pos.posAng)
pmRa  mas/yr [-6121/4129] Proper motion along Right Ascension (pmRa) (Note 8)   (pos.pm;pos.eq.ra)
pmRaErr  mas/yr Mean error on pmRA (pmRaErr) (Note 8)   (stat.error;pos.pm;pos.eq.ra)
pmDec  mas/yr [-4846/4437] Proper motion along Declination (pmDec) (Note 8)   (pos.pm;pos.eq.dec)
pmDecErr  mas/yr Mean error on pmDE (pmDecErr) (Note 8)   (stat.error;pos.pm;pos.eq.dec)
sigRA  mas [0/8662] RMS residual of proper motion fit in RA (Note 8)   (stat.fit.residual)
sigDE  mas [0/10625] RMS residual of proper motion fit in Dec (Note 8)   (stat.fit.residual)
match    [1/4] Number of USNO-B objects matched within 1arcsec (match) (Note 8)   (meta.number)
nFit    [4/6] Number of detections used in the pm fit, including SDSS (nFit) (Note 8)   (meta.number)
g(O)    Magnitude from O plate recalibrated to g (Note 8)   (phot.mag;em.opt.B)
r(E)    Magnitude from E plate recalibrated to r (Note 8)   (phot.mag;em.opt.R)
g(J)    Magnitude from J plate recalibrated to g (Note 8)   (phot.mag;em.opt.B)
r(F)    Magnitude from F plate recalibrated to r (Note 8)   (phot.mag;em.opt.R)
i(N)    Magnitude from N plate recalibrated to i (Note 8)   (phot.mag;em.opt.I)
zph   (i) [-9999/] Photometric redshift; estimated by robust fit to nearest neighbors in a reference set (Note 12)   (src.redshift)
zErr    [-9999/] Estimated error of the photometric redshift (zErr) (Note 12)   (stat.error)
nnAvgZ    [0.009/0.9] average redshift of the nearest neighbors; if significantly different from zph this might be a better estimate than zph (nnAvgZ) (src.redshift.phot)
chisq_zph    Chi-square value for the minimum chi-square template fit (chisq_zph) (stat.value)
absMagU  mag [-644/4] rest frame u' absolute magnitude (absMagU) (phys.magAbs)
absMagG  mag [-472/3] rest frame g' absolute magnitude (absMagG) (phys.magAbs)
absMagR  mag [-351/3] rest frame r' absolute magnitude (absMagR) (phys.magAbs)
absMagI  mag [-271/7] rest frame i' absolute magnitude (absMagI) (phys.magAbs)
absMagZ  mag [-199/3] rest frame z' absolute magnitude (absMagZ) (phys.magAbs)
ColumnValue  Explain   (UCD)
_r0.308 arcsec Distance from center (049.970810-00.855759)[ICRS] (pos.angDistance)
_RAJ200003 19 52.98648 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000-00 51 20.4480 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195003 17 20.07379 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950-01 02 09.2283 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon182.79070584 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-45.76337314 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)

ra049.970777 deg (i) Right Ascension of the object (ICRS) (ra) (pos.eq.ra;meta.main)
dec-00.855680 deg (i) Declination of the object (ICRS) (dec) (pos.eq.dec;meta.main)
mode2   [1/2] 1: primary (469,053,874 sources), 2: secondary (324,960,094 sources) (meta.code.class)
clean    [+] '+' indicates clean photometry (310,190,812 sources with mode 1+) (clean) (meta.code.qual;instr.setup)
class3  Type of object (3=galaxy, 6=star) (Note 1)   (src.class)
SDSS12J031952.98-005120.4  (i) SDSS-DR12 name, based on J2000 position (meta.id)
m_SDSS12    [*] The asterisk indicates that 2 different SDSS objects share the same SDSS12 name (meta.code.multip)

DR12Im  Image from SDSS-server (DR12) (meta.ref.url)

SDSS-ID3461-301-1-0052-0585  (i) [0-9 -] SDSS object identifier (Note 2)   (meta.id)
objID1237660338018845257  (i) SDSS unique object identifier (2) (links to SDSS-DR12 details) (Note)   (meta.id;meta.main)
Sp-ID   (i) Spectroscopic Plate-MJD-Fiber identifier (7) (Note)   (meta.id)
SpObjID 0  Pointer to the spectrum of object, or 0 (Note 7)   (meta.id)
parentID 0  Pointer to parent (if object deblended) (meta.id.parent)
flags 143153676025856  Photo Object Attribute flags (Note 3)   (meta.code.error)
Status1025  Hexadecimal status (Note 4)   (meta.code)
raErr 0.096 arcsec [0/51703] Mean error on RAdeg (raErr) (stat.error;pos.eq.ra)
decErr 0.205 arcsec [0/20301] Mean error on DEdeg (decErr) (stat.error;pos.eq.dec)
ObsDate2002.8511 yr (i) Mean Observation date (Note 6)   (time.epoch;obs;stat.mean)
Q3   [1/3] Quality of the observation: 1=bad 2=acceptable 3=good (meta.code.qual;obs.param;obs)
u21.984 mag (i) [4/38] Model magnitude in u filter, AB scale (u) (Note 5)   (phot.mag;em.opt.U)
err_u 0.323 mag Mean error on umag (err_u) (stat.error;phot.mag)
g21.072 mag (i) [5/40] Model magnitude in g filter, AB scale (g) (Note 5)   (phot.mag;em.opt.B)
err_g 0.073 mag Mean error on gmag (err_g) (stat.error;phot.mag)
r20.555 mag (i) [4/39] Model magnitude in r filter, AB scale (r) (Note 5)   (phot.mag;em.opt.R)
err_r 0.077 mag Mean error on rmag (err_r) (stat.error;phot.mag)
i20.647 mag (i) [3/40] Model magnitude in i filter, AB scale (i) (Note 5)   (phot.mag;em.opt.I)
err_i 0.245 mag Mean error on imag (err_i) (stat.error;phot.mag)
z20.061 mag (i) [3/38] Model magnitude in z filter, AB scale (z) (Note 5)   (phot.mag;em.opt.I)
err_z 0.275 mag Mean error on zmag (err_z) (stat.error;phot.mag)
zsp   (i) [-0.02/7.1] Spectroscopic redshift (when SpObjID>0) (Note 7)   (src.redshift)
e_zsp    Mean error on zsp (negative for bad fit) (Note 7)   (stat.error)
f_zsp    [0/196] "zwarning" flag (Note 9)   (meta.code)
velDisp  km/s [0/850] Velocity dispersion (velDisp) (phys.veloc.dispersion)
velDispErr  km/s Mean error on Vdisp (velDispErr) (stat.error)
instrument    Spectral instrument used (SDSS or BOSS) (instrument) (meta.id;instr)
sourceType    Source type (sourceType) (10) (list of types) (Note)   (src.class)
spCl    Spectroscopic class: GALAXY, QSO, STAR (meta.code.class;pos.parallax.spect)
subClass    Spectroscopic subclass (subClass) (Note 11)   (src.spType)
snMedian    [0/132] Median signal-to-noise over all good pixels (snMedian) (em.wl.central;stat.median)
flags_u 9147936877477889  Detection flags, u band (flags_u) (Note 3)   (meta.code)
probPSF_u0  0=notStar, 1=Star in u band (probPSF_u) (src.class.starGalaxy)
type_u3   [0/6] Phototype in u band, 6=Star (type_u) (Note 1)   (src.class.starGalaxy)
uDate2002.8511 yr Date of observation in u band (Note 6)   (time.epoch)
u'mag21.984 mag [4/38] Model magnitude in u' filter (= umag) (Note 5)   (phot.mag;em.opt.U)
e_u'mag 0.323 mag Mean error on u'mag (= e_umag) (stat.error;phot.mag)
psfMag_u22.618 mag [5/34] PSF magnitude in u band (psfMag_u) (phot.mag;em.opt.U)
psfMagErr_u 0.301 mag Mean error on upmag (psfMagErr_u) (stat.error;phot.mag)
petroMag_u21.509 mag [3/43] Petrosian magnitude in u band (petroMag_u) (phot.mag;em.opt.U)
petroMagErr_u 0.478 mag Mean error on uPmag (petroMagErr_u) (stat.error;phot.mag)
petroRad_u 1.001 arcsec [0/260] Petrosian radius in u band (petroRad_u) (phys.angSize;src)
petroRadErr_u 0.242 arcsec Mean error in uPrad (petroRadErr_u) (stat.error)
offsetRa_u -0.01 arcsec Offset of u position along RA (offsetRa_u) (pos.angDistance)
offsetDec_u 0.13 arcsec Offset of u position along Dec (offsetDec_u) (pos.angDistance)
deVRad_u 1.046 arcsec de Vaucouleurs fit radius, u band (deVRad_u) (phys.angSize;src)
udVell 0.050 arcsec de Vaucouleurs fit ellipt, u band (1-deVAB_u) (src.ellipticity)
deVPhi_u 33.7 deg Position angle of dVrad in u band (deVPhi_u) (pos.posAng)
flags_g 275146375168  Detection flags, g band (flags_g) (Note 3)   (meta.code)
probPSF_g0  0=notStar, 1=Star in g band (probPSF_g) (src.class.starGalaxy)
type_g3  Phototype in g band, 6=Star (type_g) (Note 1)   (src.class.starGalaxy)
gDate2002.8511 yr Date of observation in g band (Note 6)   (time.epoch)
g'mag21.072 mag [5/39] Model magnitude in g' filter (= gmag) (Note 5)   (phot.mag;em.opt.B)
e_g'mag 0.073 mag Mean error on g'mag (= e_gmag) (stat.error;phot.mag)
psfMag_g22.550 mag [5/37] PSF magnitude in g band (psfMag_g) (phot.mag;em.opt.B)
psfMagErr_g 0.102 mag Mean error on gpmag (psfMagErr_g) (stat.error;phot.mag)
petroMag_g21.220 mag [4/46] Petrosian magnitude in g band (petroMag_g) (phot.mag;em.opt.B)
petroMagErr_g 0.199 mag Mean error on gPmag (petroMagErr_g) (stat.error;phot.mag)
petroRad_g 3.686 arcsec Petrosian radius in g band (petroRad_g) (phys.angSize;src)
petroRadErr_g 0.362 arcsec Mean error in gPrad (petroRadErr_g) (stat.error)
offsetRa_g -0.10 arcsec Offset of g position along RA (offsetRa_g) (pos.angDistance)
offsetDec_g -0.37 arcsec Offset of g position along Dec (offsetDec_g) (pos.angDistance)
deVRad_g 4.351 arcsec de Vaucouleurs fit radius, g band (deVRad_g) (phys.angSize;src)
gdVell 0.341 arcsec de Vaucouleurs fit ellipt, g band (1-deVAB_g) (src.ellipticity)
deVPhi_g 25.4 deg Position angle of dVrad in g band (deVPhi_g) (pos.posAng)
flags_r 4503874773876736  Detection flags, r band (flags_r) (Note 3)   (meta.code)
probPSF_r0  0=notStar, 1=Star in r band (probPSF_r) (src.class.starGalaxy)
type_r3  Phototype in r band, 6=Star (type_r) (Note 1)   (src.class.starGalaxy)
rDate2002.8511 yr Date of observation in r band (Note 6)   (time.epoch)
r'mag20.555 mag [4/39] Model magnitude in r' filter (= rmag) (Note 5)   (phot.mag;em.opt.R)
e_r'mag 0.077 mag Mean error on r'mag (= e_rmag) (stat.error;phot.mag)
psfMag_r22.373 mag [4/33] PSF magnitude in r band (psfMag_r) (phot.mag;em.opt.R)
psfMagErr_r 0.114 mag Mean error on rpmag (psfMagErr_r) (stat.error;phot.mag)
petroMag_r20.696 mag [4/43] Petrosian magnitude in r band (petroMag_r) (phot.mag;em.opt.R)
petroMagErr_r 0.189 mag Mean error on rPmag (petroMagErr_r) (stat.error;phot.mag)
petroRad_r 3.274 arcsec Petrosian radius in r band (petroRad_r) (phys.angSize;src)
petroRadErr_r 0.409 arcsec Mean error in rPrad (petroRadErr_r) (stat.error)
offsetRa_r 0.00 arcsec Offset of r position along RA (offsetRa_r) (pos.angDistance)
offsetDec_r 0.00 arcsec Offset of r position along Dec (offsetDec_r) (pos.angDistance)
deVRad_r 5.116 arcsec de Vaucouleurs fit radius, r band (deVRad_r) (phys.angSize;src)
rdVell 0.252 arcsec de Vaucouleurs fit ellipt, r band (1-deVAB_r) (src.ellipticity)
deVPhi_r 30.4 deg Position angle of dVrad in r band (deVPhi_r) (pos.posAng)
flags_i 9007474401116160  Detection flags, i band (flags_i) (Note 3)   (meta.code)
probPSF_i0  0=notStar, 1=Star in i band (probPSF_i) (src.class.starGalaxy)
type_i3  Phototype in i band, 6=Star (type_i) (Note 1)   (src.class.starGalaxy)
iDate2002.8511 yr Date of observation in i band (Note 6)   (time.epoch)
i'mag20.647 mag [3/40] Model magnitude in i' filter (= imag) (Note 5)   (phot.mag;em.opt.I)
e_i'mag 0.245 mag Mean error on i'mag (= e_imag) (stat.error;phot.mag)
psfMag_i22.286 mag [3/34] PSF magnitude in i band (psfMag_i) (phot.mag;em.opt.I)
psfMagErr_i 0.158 mag Mean error on ipmag (psfMagErr_i) (stat.error;phot.mag)
petroMag_i20.628 mag [3/45] Petrosian magnitude in i band (petroMag_i) (phot.mag;em.opt.I)
petroMagErr_i 0.309 mag Mean error on iPmag (petroMagErr_i) (stat.error;phot.mag)
petroRad_i 3.435 arcsec Petrosian radius in i band (petroRad_i) (phys.angSize;src)
petroRadErr_i 0.324 arcsec Mean error in iPrad (petroRadErr_i) (stat.error)
offsetRa_i 0.30 arcsec Offset of i position along RA (offsetRa_i) (pos.angDistance)
offsetDec_i -0.10 arcsec Offset of i position along Dec (offsetDec_i) (pos.angDistance)
deVRad_i 3.297 arcsec de Vaucouleurs fit radius, i band (deVRad_i) (phys.angSize;src)
idVell 0.739 arcsec de Vaucouleurs fit ellipt, i band (1-deVAB_i) (src.ellipticity)
deVPhi_i 36.8 deg Position angle of dVrad in i band (deVPhi_i) (pos.posAng)
flags_z 9007199388991489  Detection flags, z band (flags_z) (Note 3)   (meta.code)
probPSF_z0  0=notStar, 1=Star in z band (probPSF_z) (src.class.starGalaxy)
type_z3  Phototype in z band, 6=Star (type_z) (Note 1)   (src.class.starGalaxy)
zDate2002.8511 yr Date of observation in z band (Note 6)   (time.epoch)
z'mag20.061 mag [3/38] Model magnitude in z filter (= zmag) (Note 5)   (phot.mag;em.opt.I)
e_z'mag 0.275 mag Mean error on z'mag (= e_zmag) (stat.error;phot.mag)
psfMag_z22.075 mag [3/32] PSF magnitude in z band (psfMag_z) (phot.mag;em.opt.I)
psfMagErr_z 0.477 mag Mean error on zpmag (psfMagErr_z) (stat.error;phot.mag)
petroMag_z20.463 mag [3/42] Petrosian magnitude in z band (petroMag_z) (phot.mag;em.opt.I)
petroMagErr_z 0.963 mag Mean error on zPmag (petroMagErr_z) (stat.error;phot.mag)
petroRad_z 3.366 arcsec Petrosian radius in z band (petroRad_z) (phys.angSize;src)
petroRadErr_z 3.274 arcsec Mean error in zPrad (petroRadErr_z) (stat.error)
offsetRa_z 0.00 arcsec Offset of z position along RA (offsetRa_z) (pos.angDistance)
offsetDec_z 0.13 arcsec Offset of z position along Dec (offsetDec_z) (pos.angDistance)
deVRad_z 19.450 arcsec de Vaucouleurs fit radius, z band (deVRad_z) (phys.angSize;src)
zdVell 0.100 arcsec de Vaucouleurs fit ellipt, z band (1-deVAB_z) (src.ellipticity)
deVPhi_z 44.5 deg Position angle of dVrad in z band (deVPhi_z) (pos.posAng)
pmRa  mas/yr [-6121/4129] Proper motion along Right Ascension (pmRa) (Note 8)   (pos.pm;pos.eq.ra)
pmRaErr  mas/yr Mean error on pmRA (pmRaErr) (Note 8)   (stat.error;pos.pm;pos.eq.ra)
pmDec  mas/yr [-4846/4437] Proper motion along Declination (pmDec) (Note 8)   (pos.pm;pos.eq.dec)
pmDecErr  mas/yr Mean error on pmDE (pmDecErr) (Note 8)   (stat.error;pos.pm;pos.eq.dec)
sigRA  mas [0/8662] RMS residual of proper motion fit in RA (Note 8)   (stat.fit.residual)
sigDE  mas [0/10625] RMS residual of proper motion fit in Dec (Note 8)   (stat.fit.residual)
match    [1/4] Number of USNO-B objects matched within 1arcsec (match) (Note 8)   (meta.number)
nFit    [4/6] Number of detections used in the pm fit, including SDSS (nFit) (Note 8)   (meta.number)
g(O)    Magnitude from O plate recalibrated to g (Note 8)   (phot.mag;em.opt.B)
r(E)    Magnitude from E plate recalibrated to r (Note 8)   (phot.mag;em.opt.R)
g(J)    Magnitude from J plate recalibrated to g (Note 8)   (phot.mag;em.opt.B)
r(F)    Magnitude from F plate recalibrated to r (Note 8)   (phot.mag;em.opt.R)
i(N)    Magnitude from N plate recalibrated to i (Note 8)   (phot.mag;em.opt.I)
zph   (i) [-9999/] Photometric redshift; estimated by robust fit to nearest neighbors in a reference set (Note 12)   (src.redshift)
zErr    [-9999/] Estimated error of the photometric redshift (zErr) (Note 12)   (stat.error)
nnAvgZ    [0.009/0.9] average redshift of the nearest neighbors; if significantly different from zph this might be a better estimate than zph (nnAvgZ) (src.redshift.phot)
chisq_zph    Chi-square value for the minimum chi-square template fit (chisq_zph) (stat.value)
absMagU  mag [-644/4] rest frame u' absolute magnitude (absMagU) (phys.magAbs)
absMagG  mag [-472/3] rest frame g' absolute magnitude (absMagG) (phys.magAbs)
absMagR  mag [-351/3] rest frame r' absolute magnitude (absMagR) (phys.magAbs)
absMagI  mag [-271/7] rest frame i' absolute magnitude (absMagI) (phys.magAbs)
absMagZ  mag [-199/3] rest frame z' absolute magnitude (absMagZ) (phys.magAbs)
ColumnValue  Explain   (UCD)
_r0.321 arcsec Distance from center (049.970810-00.855759)[ICRS] (pos.angDistance)
_RAJ200003 19 52.97568 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000-00 51 20.8872 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195003 17 20.06310 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950-01 02 09.6681 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon182.79079928 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-45.76348566 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)

ra049.970732 deg (i) Right Ascension of the object (ICRS) (ra) (pos.eq.ra;meta.main)
dec-00.855802 deg (i) Declination of the object (ICRS) (dec) (pos.eq.dec;meta.main)
mode2   [1/2] 1: primary (469,053,874 sources), 2: secondary (324,960,094 sources) (meta.code.class)
clean    [+] '+' indicates clean photometry (310,190,812 sources with mode 1+) (clean) (meta.code.qual;instr.setup)
class3  Type of object (3=galaxy, 6=star) (Note 1)   (src.class)
SDSS12J031952.97-005120.8  (i) SDSS-DR12 name, based on J2000 position (meta.id)
m_SDSS12    [*] The asterisk indicates that 2 different SDSS objects share the same SDSS12 name (meta.code.multip)

DR12Im  Image from SDSS-server (DR12) (meta.ref.url)

SDSS-ID4207-301-1-0705-0598  (i) [0-9 -] SDSS object identifier (Note 2)   (meta.id)
objID1237663542107243094  (i) SDSS unique object identifier (2) (links to SDSS-DR12 details) (Note)   (meta.id;meta.main)
Sp-ID   (i) Spectroscopic Plate-MJD-Fiber identifier (7) (Note)   (meta.id)
SpObjID 0  Pointer to the spectrum of object, or 0 (Note 7)   (meta.id)
parentID 0  Pointer to parent (if object deblended) (meta.id.parent)
flags 143119316288256  Photo Object Attribute flags (Note 3)   (meta.code.error)
Status1025  Hexadecimal status (Note 4)   (meta.code)
raErr 0.085 arcsec [0/51703] Mean error on RAdeg (raErr) (stat.error;pos.eq.ra)
decErr 0.085 arcsec [0/20301] Mean error on DEdeg (decErr) (stat.error;pos.eq.dec)
ObsDate2003.8121 yr (i) Mean Observation date (Note 6)   (time.epoch;obs;stat.mean)
Q3   [1/3] Quality of the observation: 1=bad 2=acceptable 3=good (meta.code.qual;obs.param;obs)
u22.663 mag (i) [4/38] Model magnitude in u filter, AB scale (u) (Note 5)   (phot.mag;em.opt.U)
err_u 0.535 mag Mean error on umag (err_u) (stat.error;phot.mag)
g21.077 mag (i) [5/40] Model magnitude in g filter, AB scale (g) (Note 5)   (phot.mag;em.opt.B)
err_g 0.065 mag Mean error on gmag (err_g) (stat.error;phot.mag)
r20.552 mag (i) [4/39] Model magnitude in r filter, AB scale (r) (Note 5)   (phot.mag;em.opt.R)
err_r 0.066 mag Mean error on rmag (err_r) (stat.error;phot.mag)
i20.424 mag (i) [3/40] Model magnitude in i filter, AB scale (i) (Note 5)   (phot.mag;em.opt.I)
err_i 0.089 mag Mean error on imag (err_i) (stat.error;phot.mag)
z20.032 mag (i) [3/38] Model magnitude in z filter, AB scale (z) (Note 5)   (phot.mag;em.opt.I)
err_z 0.232 mag Mean error on zmag (err_z) (stat.error;phot.mag)
zsp   (i) [-0.02/7.1] Spectroscopic redshift (when SpObjID>0) (Note 7)   (src.redshift)
e_zsp    Mean error on zsp (negative for bad fit) (Note 7)   (stat.error)
f_zsp    [0/196] "zwarning" flag (Note 9)   (meta.code)
velDisp  km/s [0/850] Velocity dispersion (velDisp) (phys.veloc.dispersion)
velDispErr  km/s Mean error on Vdisp (velDispErr) (stat.error)
instrument    Spectral instrument used (SDSS or BOSS) (instrument) (meta.id;instr)
sourceType    Source type (sourceType) (10) (list of types) (Note)   (src.class)
spCl    Spectroscopic class: GALAXY, QSO, STAR (meta.code.class;pos.parallax.spect)
subClass    Spectroscopic subclass (subClass) (Note 11)   (src.spType)
snMedian    [0/132] Median signal-to-noise over all good pixels (snMedian) (em.wl.central;stat.median)
flags_u 9147936885891329  Detection flags, u band (flags_u) (Note 3)   (meta.code)
probPSF_u0  0=notStar, 1=Star in u band (probPSF_u) (src.class.starGalaxy)
type_u3   [0/6] Phototype in u band, 6=Star (type_u) (Note 1)   (src.class.starGalaxy)
uDate2003.8121 yr Date of observation in u band (Note 6)   (time.epoch)
u'mag22.663 mag [4/38] Model magnitude in u' filter (= umag) (Note 5)   (phot.mag;em.opt.U)
e_u'mag 0.535 mag Mean error on u'mag (= e_umag) (stat.error;phot.mag)
psfMag_u23.732 mag [5/34] PSF magnitude in u band (psfMag_u) (phot.mag;em.opt.U)
psfMagErr_u 1.260 mag Mean error on upmag (psfMagErr_u) (stat.error;phot.mag)
petroMag_u23.491 mag [3/43] Petrosian magnitude in u band (petroMag_u) (phot.mag;em.opt.U)
petroMagErr_u 2.770 mag Mean error on uPmag (petroMagErr_u) (stat.error;phot.mag)
petroRad_u 2.970 arcsec [0/260] Petrosian radius in u band (petroRad_u) (phys.angSize;src)
petroRadErr_u  arcsec Mean error in uPrad (petroRadErr_u) (stat.error)
offsetRa_u 0.03 arcsec Offset of u position along RA (offsetRa_u) (pos.angDistance)
offsetDec_u -0.03 arcsec Offset of u position along Dec (offsetDec_u) (pos.angDistance)
deVRad_u 29.671 arcsec de Vaucouleurs fit radius, u band (deVRad_u) (phys.angSize;src)
udVell 0.063 arcsec de Vaucouleurs fit ellipt, u band (1-deVAB_u) (src.ellipticity)
deVPhi_u 18.8 deg Position angle of dVrad in u band (deVPhi_u) (pos.posAng)
flags_g 275146375168  Detection flags, g band (flags_g) (Note 3)   (meta.code)
probPSF_g0  0=notStar, 1=Star in g band (probPSF_g) (src.class.starGalaxy)
type_g3  Phototype in g band, 6=Star (type_g) (Note 1)   (src.class.starGalaxy)
gDate2003.8121 yr Date of observation in g band (Note 6)   (time.epoch)
g'mag21.077 mag [5/39] Model magnitude in g' filter (= gmag) (Note 5)   (phot.mag;em.opt.B)
e_g'mag 0.065 mag Mean error on g'mag (= e_gmag) (stat.error;phot.mag)
psfMag_g22.218 mag [5/37] PSF magnitude in g band (psfMag_g) (phot.mag;em.opt.B)
psfMagErr_g 0.090 mag Mean error on gpmag (psfMagErr_g) (stat.error;phot.mag)
petroMag_g20.873 mag [4/46] Petrosian magnitude in g band (petroMag_g) (phot.mag;em.opt.B)
petroMagErr_g 0.121 mag Mean error on gPmag (petroMagErr_g) (stat.error;phot.mag)
petroRad_g 3.809 arcsec Petrosian radius in g band (petroRad_g) (phys.angSize;src)
petroRadErr_g 0.342 arcsec Mean error in gPrad (petroRadErr_g) (stat.error)
offsetRa_g 0.18 arcsec Offset of g position along RA (offsetRa_g) (pos.angDistance)
offsetDec_g 0.46 arcsec Offset of g position along Dec (offsetDec_g) (pos.angDistance)
deVRad_g 4.869 arcsec de Vaucouleurs fit radius, g band (deVRad_g) (phys.angSize;src)
gdVell 0.307 arcsec de Vaucouleurs fit ellipt, g band (1-deVAB_g) (src.ellipticity)
deVPhi_g 23.6 deg Position angle of dVrad in g band (deVPhi_g) (pos.posAng)
flags_r 4503874773745664  Detection flags, r band (flags_r) (Note 3)   (meta.code)
probPSF_r0  0=notStar, 1=Star in r band (probPSF_r) (src.class.starGalaxy)
type_r3  Phototype in r band, 6=Star (type_r) (Note 1)   (src.class.starGalaxy)
rDate2003.8121 yr Date of observation in r band (Note 6)   (time.epoch)
r'mag20.552 mag [4/39] Model magnitude in r' filter (= rmag) (Note 5)   (phot.mag;em.opt.R)
e_r'mag 0.066 mag Mean error on r'mag (= e_rmag) (stat.error;phot.mag)
psfMag_r21.794 mag [4/33] PSF magnitude in r band (psfMag_r) (phot.mag;em.opt.R)
psfMagErr_r 0.082 mag Mean error on rpmag (psfMagErr_r) (stat.error;phot.mag)
petroMag_r20.617 mag [4/43] Petrosian magnitude in r band (petroMag_r) (phot.mag;em.opt.R)
petroMagErr_r 0.123 mag Mean error on rPmag (petroMagErr_r) (stat.error;phot.mag)
petroRad_r 3.128 arcsec Petrosian radius in r band (petroRad_r) (phys.angSize;src)
petroRadErr_r 0.425 arcsec Mean error in rPrad (petroRadErr_r) (stat.error)
offsetRa_r 0.00 arcsec Offset of r position along RA (offsetRa_r) (pos.angDistance)
offsetDec_r 0.00 arcsec Offset of r position along Dec (offsetDec_r) (pos.angDistance)
deVRad_r 3.297 arcsec de Vaucouleurs fit radius, r band (deVRad_r) (phys.angSize;src)
rdVell 0.386 arcsec de Vaucouleurs fit ellipt, r band (1-deVAB_r) (src.ellipticity)
deVPhi_r 43.8 deg Position angle of dVrad in r band (deVPhi_r) (pos.posAng)
flags_i 275146375168  Detection flags, i band (flags_i) (Note 3)   (meta.code)
probPSF_i0  0=notStar, 1=Star in i band (probPSF_i) (src.class.starGalaxy)
type_i3  Phototype in i band, 6=Star (type_i) (Note 1)   (src.class.starGalaxy)
iDate2003.8121 yr Date of observation in i band (Note 6)   (time.epoch)
i'mag20.424 mag [3/40] Model magnitude in i' filter (= imag) (Note 5)   (phot.mag;em.opt.I)
e_i'mag 0.089 mag Mean error on i'mag (= e_imag) (stat.error;phot.mag)
psfMag_i21.758 mag [3/34] PSF magnitude in i band (psfMag_i) (phot.mag;em.opt.I)
psfMagErr_i 0.118 mag Mean error on ipmag (psfMagErr_i) (stat.error;phot.mag)
petroMag_i20.294 mag [3/45] Petrosian magnitude in i band (petroMag_i) (phot.mag;em.opt.I)
petroMagErr_i 0.194 mag Mean error on iPmag (petroMagErr_i) (stat.error;phot.mag)
petroRad_i 3.343 arcsec Petrosian radius in i band (petroRad_i) (phys.angSize;src)
petroRadErr_i 0.493 arcsec Mean error in iPrad (petroRadErr_i) (stat.error)
offsetRa_i 0.28 arcsec Offset of i position along RA (offsetRa_i) (pos.angDistance)
offsetDec_i -0.41 arcsec Offset of i position along Dec (offsetDec_i) (pos.angDistance)
deVRad_i 5.249 arcsec de Vaucouleurs fit radius, i band (deVRad_i) (phys.angSize;src)
idVell 0.493 arcsec de Vaucouleurs fit ellipt, i band (1-deVAB_i) (src.ellipticity)
deVPhi_i 25.2 deg Position angle of dVrad in i band (deVPhi_i) (pos.posAng)
flags_z 275280593408  Detection flags, z band (flags_z) (Note 3)   (meta.code)
probPSF_z0  0=notStar, 1=Star in z band (probPSF_z) (src.class.starGalaxy)
type_z3  Phototype in z band, 6=Star (type_z) (Note 1)   (src.class.starGalaxy)
zDate2003.8121 yr Date of observation in z band (Note 6)   (time.epoch)
z'mag20.032 mag [3/38] Model magnitude in z filter (= zmag) (Note 5)   (phot.mag;em.opt.I)
e_z'mag 0.232 mag Mean error on z'mag (= e_zmag) (stat.error;phot.mag)
psfMag_z20.816 mag [3/32] PSF magnitude in z band (psfMag_z) (phot.mag;em.opt.I)
psfMagErr_z 0.194 mag Mean error on zpmag (psfMagErr_z) (stat.error;phot.mag)
petroMag_z22.786 mag [3/42] Petrosian magnitude in z band (petroMag_z) (phot.mag;em.opt.I)
petroMagErr_z 3.813 mag Mean error on zPmag (petroMagErr_z) (stat.error;phot.mag)
petroRad_z 3.614 arcsec Petrosian radius in z band (petroRad_z) (phys.angSize;src)
petroRadErr_z 2.294 arcsec Mean error in zPrad (petroRadErr_z) (stat.error)
offsetRa_z 0.26 arcsec Offset of z position along RA (offsetRa_z) (pos.angDistance)
offsetDec_z 0.45 arcsec Offset of z position along Dec (offsetDec_z) (pos.angDistance)
deVRad_z 0.186 arcsec de Vaucouleurs fit radius, z band (deVRad_z) (phys.angSize;src)
zdVell 1.000 arcsec de Vaucouleurs fit ellipt, z band (1-deVAB_z) (src.ellipticity)
deVPhi_z 59.4 deg Position angle of dVrad in z band (deVPhi_z) (pos.posAng)
pmRa  mas/yr [-6121/4129] Proper motion along Right Ascension (pmRa) (Note 8)   (pos.pm;pos.eq.ra)
pmRaErr  mas/yr Mean error on pmRA (pmRaErr) (Note 8)   (stat.error;pos.pm;pos.eq.ra)
pmDec  mas/yr [-4846/4437] Proper motion along Declination (pmDec) (Note 8)   (pos.pm;pos.eq.dec)
pmDecErr  mas/yr Mean error on pmDE (pmDecErr) (Note 8)   (stat.error;pos.pm;pos.eq.dec)
sigRA  mas [0/8662] RMS residual of proper motion fit in RA (Note 8)   (stat.fit.residual)
sigDE  mas [0/10625] RMS residual of proper motion fit in Dec (Note 8)   (stat.fit.residual)
match    [1/4] Number of USNO-B objects matched within 1arcsec (match) (Note 8)   (meta.number)
nFit    [4/6] Number of detections used in the pm fit, including SDSS (nFit) (Note 8)   (meta.number)
g(O)    Magnitude from O plate recalibrated to g (Note 8)   (phot.mag;em.opt.B)
r(E)    Magnitude from E plate recalibrated to r (Note 8)   (phot.mag;em.opt.R)
g(J)    Magnitude from J plate recalibrated to g (Note 8)   (phot.mag;em.opt.B)
r(F)    Magnitude from F plate recalibrated to r (Note 8)   (phot.mag;em.opt.R)
i(N)    Magnitude from N plate recalibrated to i (Note 8)   (phot.mag;em.opt.I)
zph   (i) [-9999/] Photometric redshift; estimated by robust fit to nearest neighbors in a reference set (Note 12)   (src.redshift)
zErr    [-9999/] Estimated error of the photometric redshift (zErr) (Note 12)   (stat.error)
nnAvgZ    [0.009/0.9] average redshift of the nearest neighbors; if significantly different from zph this might be a better estimate than zph (nnAvgZ) (src.redshift.phot)
chisq_zph    Chi-square value for the minimum chi-square template fit (chisq_zph) (stat.value)
absMagU  mag [-644/4] rest frame u' absolute magnitude (absMagU) (phys.magAbs)
absMagG  mag [-472/3] rest frame g' absolute magnitude (absMagG) (phys.magAbs)
absMagR  mag [-351/3] rest frame r' absolute magnitude (absMagR) (phys.magAbs)
absMagI  mag [-271/7] rest frame i' absolute magnitude (absMagI) (phys.magAbs)
absMagZ  mag [-199/3] rest frame z' absolute magnitude (absMagZ) (phys.magAbs)
ColumnValue  Explain   (UCD)
_r0.323 arcsec Distance from center (049.970810-00.855759)[ICRS] (pos.angDistance)
_RAJ200003 19 52.99728 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000-00 51 20.4120 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195003 17 20.08458 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950-01 02 09.1917 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon182.79073598 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-45.76333213 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)

ra049.970822 deg (i) Right Ascension of the object (ICRS) (ra) (pos.eq.ra;meta.main)
dec-00.855670 deg (i) Declination of the object (ICRS) (dec) (pos.eq.dec;meta.main)
mode2   [1/2] 1: primary (469,053,874 sources), 2: secondary (324,960,094 sources) (meta.code.class)
clean    [+] '+' indicates clean photometry (310,190,812 sources with mode 1+) (clean) (meta.code.qual;instr.setup)
class3  Type of object (3=galaxy, 6=star) (Note 1)   (src.class)
SDSS12J031952.99-005120.4  (i) SDSS-DR12 name, based on J2000 position (meta.id)
m_SDSS12*   [*] The asterisk indicates that 2 different SDSS objects share the same SDSS12 name (meta.code.multip)

DR12Im  Image from SDSS-server (DR12) (meta.ref.url)

SDSS-ID2700-301-1-0199-0733  (i) [0-9 -] SDSS object identifier (Note 2)   (meta.id)
objID1237657069558366941  (i) SDSS unique object identifier (2) (links to SDSS-DR12 details) (Note)   (meta.id;meta.main)
Sp-ID   (i) Spectroscopic Plate-MJD-Fiber identifier (7) (Note)   (meta.id)
SpObjID 0  Pointer to the spectrum of object, or 0 (Note 7)   (meta.id)
parentID 0  Pointer to parent (if object deblended) (meta.id.parent)
flags 2381827932416  Photo Object Attribute flags (Note 3)   (meta.code.error)
Status1025  Hexadecimal status (Note 4)   (meta.code)
raErr 0.052 arcsec [0/51703] Mean error on RAdeg (raErr) (stat.error;pos.eq.ra)
decErr 0.073 arcsec [0/20301] Mean error on DEdeg (decErr) (stat.error;pos.eq.dec)
ObsDate2001.8628 yr (i) Mean Observation date (Note 6)   (time.epoch;obs;stat.mean)
Q3   [1/3] Quality of the observation: 1=bad 2=acceptable 3=good (meta.code.qual;obs.param;obs)
u21.432 mag (i) [4/38] Model magnitude in u filter, AB scale (u) (Note 5)   (phot.mag;em.opt.U)
err_u 0.223 mag Mean error on umag (err_u) (stat.error;phot.mag)
g21.406 mag (i) [5/40] Model magnitude in g filter, AB scale (g) (Note 5)   (phot.mag;em.opt.B)
err_g 0.260 mag Mean error on gmag (err_g) (stat.error;phot.mag)
r20.515 mag (i) [4/39] Model magnitude in r filter, AB scale (r) (Note 5)   (phot.mag;em.opt.R)
err_r 0.067 mag Mean error on rmag (err_r) (stat.error;phot.mag)
i20.558 mag (i) [3/40] Model magnitude in i filter, AB scale (i) (Note 5)   (phot.mag;em.opt.I)
err_i 0.109 mag Mean error on imag (err_i) (stat.error;phot.mag)
z20.241 mag (i) [3/38] Model magnitude in z filter, AB scale (z) (Note 5)   (phot.mag;em.opt.I)
err_z 0.308 mag Mean error on zmag (err_z) (stat.error;phot.mag)
zsp   (i) [-0.02/7.1] Spectroscopic redshift (when SpObjID>0) (Note 7)   (src.redshift)
e_zsp    Mean error on zsp (negative for bad fit) (Note 7)   (stat.error)
f_zsp    [0/196] "zwarning" flag (Note 9)   (meta.code)
velDisp  km/s [0/850] Velocity dispersion (velDisp) (phys.veloc.dispersion)
velDispErr  km/s Mean error on Vdisp (velDispErr) (stat.error)
instrument    Spectral instrument used (SDSS or BOSS) (instrument) (meta.id;instr)
sourceType    Source type (sourceType) (10) (list of types) (Note)   (src.class)
spCl    Spectroscopic class: GALAXY, QSO, STAR (meta.code.class;pos.parallax.spect)
subClass    Spectroscopic subclass (subClass) (Note 11)   (src.spType)
snMedian    [0/132] Median signal-to-noise over all good pixels (snMedian) (em.wl.central;stat.median)
flags_u 9007199397511425  Detection flags, u band (flags_u) (Note 3)   (meta.code)
probPSF_u0  0=notStar, 1=Star in u band (probPSF_u) (src.class.starGalaxy)
type_u3   [0/6] Phototype in u band, 6=Star (type_u) (Note 1)   (src.class.starGalaxy)
uDate2001.8628 yr Date of observation in u band (Note 6)   (time.epoch)
u'mag21.432 mag [4/38] Model magnitude in u' filter (= umag) (Note 5)   (phot.mag;em.opt.U)
e_u'mag 0.223 mag Mean error on u'mag (= e_umag) (stat.error;phot.mag)
psfMag_u22.876 mag [5/34] PSF magnitude in u band (psfMag_u) (phot.mag;em.opt.U)
psfMagErr_u 0.295 mag Mean error on upmag (psfMagErr_u) (stat.error;phot.mag)
petroMag_u21.362 mag [3/43] Petrosian magnitude in u band (petroMag_u) (phot.mag;em.opt.U)
petroMagErr_u 0.459 mag Mean error on uPmag (petroMagErr_u) (stat.error;phot.mag)
petroRad_u 2.970 arcsec [0/260] Petrosian radius in u band (petroRad_u) (phys.angSize;src)
petroRadErr_u  arcsec Mean error in uPrad (petroRadErr_u) (stat.error)
offsetRa_u 0.01 arcsec Offset of u position along RA (offsetRa_u) (pos.angDistance)
offsetDec_u 0.01 arcsec Offset of u position along Dec (offsetDec_u) (pos.angDistance)
deVRad_u 4.119 arcsec de Vaucouleurs fit radius, u band (deVRad_u) (phys.angSize;src)
udVell 0.050 arcsec de Vaucouleurs fit ellipt, u band (1-deVAB_u) (src.ellipticity)
deVPhi_u 8.3 deg Position angle of dVrad in u band (deVPhi_u) (pos.posAng)
flags_g 275146375168  Detection flags, g band (flags_g) (Note 3)   (meta.code)
probPSF_g0  0=notStar, 1=Star in g band (probPSF_g) (src.class.starGalaxy)
type_g3  Phototype in g band, 6=Star (type_g) (Note 1)   (src.class.starGalaxy)
gDate2001.8628 yr Date of observation in g band (Note 6)   (time.epoch)
g'mag21.406 mag [5/39] Model magnitude in g' filter (= gmag) (Note 5)   (phot.mag;em.opt.B)
e_g'mag 0.260 mag Mean error on g'mag (= e_gmag) (stat.error;phot.mag)
psfMag_g22.473 mag [5/37] PSF magnitude in g band (psfMag_g) (phot.mag;em.opt.B)
psfMagErr_g 0.109 mag Mean error on gpmag (psfMagErr_g) (stat.error;phot.mag)
petroMag_g21.100 mag [4/46] Petrosian magnitude in g band (petroMag_g) (phot.mag;em.opt.B)
petroMagErr_g 0.381 mag Mean error on gPmag (petroMagErr_g) (stat.error;phot.mag)
petroRad_g 3.091 arcsec Petrosian radius in g band (petroRad_g) (phys.angSize;src)
petroRadErr_g 0.265 arcsec Mean error in gPrad (petroRadErr_g) (stat.error)
offsetRa_g -0.34 arcsec Offset of g position along RA (offsetRa_g) (pos.angDistance)
offsetDec_g 0.00 arcsec Offset of g position along Dec (offsetDec_g) (pos.angDistance)
deVRad_g 1.705 arcsec de Vaucouleurs fit radius, g band (deVRad_g) (phys.angSize;src)
gdVell 0.600 arcsec de Vaucouleurs fit ellipt, g band (1-deVAB_g) (src.ellipticity)
deVPhi_g 24.6 deg Position angle of dVrad in g band (deVPhi_g) (pos.posAng)
flags_r 4503874782265344  Detection flags, r band (flags_r) (Note 3)   (meta.code)
probPSF_r0  0=notStar, 1=Star in r band (probPSF_r) (src.class.starGalaxy)
type_r3  Phototype in r band, 6=Star (type_r) (Note 1)   (src.class.starGalaxy)
rDate2001.8627 yr Date of observation in r band (Note 6)   (time.epoch)
r'mag20.515 mag [4/39] Model magnitude in r' filter (= rmag) (Note 5)   (phot.mag;em.opt.R)
e_r'mag 0.067 mag Mean error on r'mag (= e_rmag) (stat.error;phot.mag)
psfMag_r22.075 mag [4/33] PSF magnitude in r band (psfMag_r) (phot.mag;em.opt.R)
psfMagErr_r 0.093 mag Mean error on rpmag (psfMagErr_r) (stat.error;phot.mag)
petroMag_r20.433 mag [4/43] Petrosian magnitude in r band (petroMag_r) (phot.mag;em.opt.R)
petroMagErr_r 0.638 mag Mean error on rPmag (petroMagErr_r) (stat.error;phot.mag)
petroRad_r 3.124 arcsec Petrosian radius in r band (petroRad_r) (phys.angSize;src)
petroRadErr_r 3.785 arcsec Mean error in rPrad (petroRadErr_r) (stat.error)
offsetRa_r 0.00 arcsec Offset of r position along RA (offsetRa_r) (pos.angDistance)
offsetDec_r 0.00 arcsec Offset of r position along Dec (offsetDec_r) (pos.angDistance)
deVRad_r 5.321 arcsec de Vaucouleurs fit radius, r band (deVRad_r) (phys.angSize;src)
rdVell 0.243 arcsec de Vaucouleurs fit ellipt, r band (1-deVAB_r) (src.ellipticity)
deVPhi_r 29.7 deg Position angle of dVrad in r band (deVPhi_r) (pos.posAng)
flags_i 275146375168  Detection flags, i band (flags_i) (Note 3)   (meta.code)
probPSF_i0  0=notStar, 1=Star in i band (probPSF_i) (src.class.starGalaxy)
type_i3  Phototype in i band, 6=Star (type_i) (Note 1)   (src.class.starGalaxy)
iDate2001.8628 yr Date of observation in i band (Note 6)   (time.epoch)
i'mag20.558 mag [3/40] Model magnitude in i' filter (= imag) (Note 5)   (phot.mag;em.opt.I)
e_i'mag 0.109 mag Mean error on i'mag (= e_imag) (stat.error;phot.mag)
psfMag_i22.303 mag [3/34] PSF magnitude in i band (psfMag_i) (phot.mag;em.opt.I)
psfMagErr_i 0.166 mag Mean error on ipmag (psfMagErr_i) (stat.error;phot.mag)
petroMag_i20.462 mag [3/45] Petrosian magnitude in i band (petroMag_i) (phot.mag;em.opt.I)
petroMagErr_i 0.321 mag Mean error on iPmag (petroMagErr_i) (stat.error;phot.mag)
petroRad_i 3.414 arcsec Petrosian radius in i band (petroRad_i) (phys.angSize;src)
petroRadErr_i 0.455 arcsec Mean error in iPrad (petroRadErr_i) (stat.error)
offsetRa_i -0.71 arcsec Offset of i position along RA (offsetRa_i) (pos.angDistance)
offsetDec_i -0.43 arcsec Offset of i position along Dec (offsetDec_i) (pos.angDistance)
deVRad_i 6.626 arcsec de Vaucouleurs fit radius, i band (deVRad_i) (phys.angSize;src)
idVell 0.350 arcsec de Vaucouleurs fit ellipt, i band (1-deVAB_i) (src.ellipticity)
deVPhi_i 35.2 deg Position angle of dVrad in i band (deVPhi_i) (pos.posAng)
flags_z 9007199389007873  Detection flags, z band (flags_z) (Note 3)   (meta.code)
probPSF_z0  0=notStar, 1=Star in z band (probPSF_z) (src.class.starGalaxy)
type_z3  Phototype in z band, 6=Star (type_z) (Note 1)   (src.class.starGalaxy)
zDate2001.8628 yr Date of observation in z band (Note 6)   (time.epoch)
z'mag20.241 mag [3/38] Model magnitude in z filter (= zmag) (Note 5)   (phot.mag;em.opt.I)
e_z'mag 0.308 mag Mean error on z'mag (= e_zmag) (stat.error;phot.mag)
psfMag_z21.989 mag [3/32] PSF magnitude in z band (psfMag_z) (phot.mag;em.opt.I)
psfMagErr_z 0.447 mag Mean error on zpmag (psfMagErr_z) (stat.error;phot.mag)
petroMag_z19.918 mag [3/42] Petrosian magnitude in z band (petroMag_z) (phot.mag;em.opt.I)
petroMagErr_z 0.987 mag Mean error on zPmag (petroMagErr_z) (stat.error;phot.mag)
petroRad_z 2.795 arcsec Petrosian radius in z band (petroRad_z) (phys.angSize;src)
petroRadErr_z 2.773 arcsec Mean error in zPrad (petroRadErr_z) (stat.error)
offsetRa_z 0.01 arcsec Offset of z position along RA (offsetRa_z) (pos.angDistance)
offsetDec_z 0.02 arcsec Offset of z position along Dec (offsetDec_z) (pos.angDistance)
deVRad_z 13.649 arcsec de Vaucouleurs fit radius, z band (deVRad_z) (phys.angSize;src)
zdVell 0.343 arcsec de Vaucouleurs fit ellipt, z band (1-deVAB_z) (src.ellipticity)
deVPhi_z 6.6 deg Position angle of dVrad in z band (deVPhi_z) (pos.posAng)
pmRa  mas/yr [-6121/4129] Proper motion along Right Ascension (pmRa) (Note 8)   (pos.pm;pos.eq.ra)
pmRaErr  mas/yr Mean error on pmRA (pmRaErr) (Note 8)   (stat.error;pos.pm;pos.eq.ra)
pmDec  mas/yr [-4846/4437] Proper motion along Declination (pmDec) (Note 8)   (pos.pm;pos.eq.dec)
pmDecErr  mas/yr Mean error on pmDE (pmDecErr) (Note 8)   (stat.error;pos.pm;pos.eq.dec)
sigRA  mas [0/8662] RMS residual of proper motion fit in RA (Note 8)   (stat.fit.residual)
sigDE  mas [0/10625] RMS residual of proper motion fit in Dec (Note 8)   (stat.fit.residual)
match    [1/4] Number of USNO-B objects matched within 1arcsec (match) (Note 8)   (meta.number)
nFit    [4/6] Number of detections used in the pm fit, including SDSS (nFit) (Note 8)   (meta.number)
g(O)    Magnitude from O plate recalibrated to g (Note 8)   (phot.mag;em.opt.B)
r(E)    Magnitude from E plate recalibrated to r (Note 8)   (phot.mag;em.opt.R)
g(J)    Magnitude from J plate recalibrated to g (Note 8)   (phot.mag;em.opt.B)
r(F)    Magnitude from F plate recalibrated to r (Note 8)   (phot.mag;em.opt.R)
i(N)    Magnitude from N plate recalibrated to i (Note 8)   (phot.mag;em.opt.I)
zph   (i) [-9999/] Photometric redshift; estimated by robust fit to nearest neighbors in a reference set (Note 12)   (src.redshift)
zErr    [-9999/] Estimated error of the photometric redshift (zErr) (Note 12)   (stat.error)
nnAvgZ    [0.009/0.9] average redshift of the nearest neighbors; if significantly different from zph this might be a better estimate than zph (nnAvgZ) (src.redshift.phot)
chisq_zph    Chi-square value for the minimum chi-square template fit (chisq_zph) (stat.value)
absMagU  mag [-644/4] rest frame u' absolute magnitude (absMagU) (phys.magAbs)
absMagG  mag [-472/3] rest frame g' absolute magnitude (absMagG) (phys.magAbs)
absMagR  mag [-351/3] rest frame r' absolute magnitude (absMagR) (phys.magAbs)
absMagI  mag [-271/7] rest frame i' absolute magnitude (absMagI) (phys.magAbs)
absMagZ  mag [-199/3] rest frame z' absolute magnitude (absMagZ) (phys.magAbs)
ColumnValue  Explain   (UCD)
_r0.353 arcsec Distance from center (049.970810-00.855759)[ICRS] (pos.angDistance)
_RAJ200003 19 52.98048 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000-00 51 21.0168 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195003 17 20.06793 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950-01 02 09.7974 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon182.79085730 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-45.76349325 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)

ra049.970752 deg (i) Right Ascension of the object (ICRS) (ra) (pos.eq.ra;meta.main)
dec-00.855838 deg (i) Declination of the object (ICRS) (dec) (pos.eq.dec;meta.main)
mode2   [1/2] 1: primary (469,053,874 sources), 2: secondary (324,960,094 sources) (meta.code.class)
clean    [+] '+' indicates clean photometry (310,190,812 sources with mode 1+) (clean) (meta.code.qual;instr.setup)
class3  Type of object (3=galaxy, 6=star) (Note 1)   (src.class)
SDSS12J031952.98-005121.0  (i) SDSS-DR12 name, based on J2000 position (meta.id)
m_SDSS12*   [*] The asterisk indicates that 2 different SDSS objects share the same SDSS12 name (meta.code.multip)