VizieR

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

VizieR

start AladinLite
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=007.074148 -00.856242, eq=ICRS, rs=2
Post annotation about this record

Note:

ColumnValue  Explain   (UCD)
_r0.000 arcsec Distance from center (007.074148-00.856242)[ICRS] (pos.angDistance)
_RAJ200000 28 17.79552 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000-00 51 22.4712 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195000 25 44.16278 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950-01 07 57.5880 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon110.03863176 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-63.14722904 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)

ra007.074148 deg (i) Right Ascension of the object (ICRS) (ra) (pos.eq.ra;meta.main)
dec-00.856242 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)
class6  Type of object (3=galaxy, 6=star) (Note 1)   (src.class)
SDSS12J002817.79-005122.4  (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-ID4927-301-1-0399-0307  (i) [0-9 -] SDSS object identifier (Note 2)   (meta.id)
objID1237666634463641907  (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 281543964623104  Photo Object Attribute flags (Note 3)   (meta.code.error)
Status1025  Hexadecimal status (Note 4)   (meta.code)
raErr 0.135 arcsec [0/51703] Mean error on RAdeg (raErr) (stat.error;pos.eq.ra)
decErr 0.184 arcsec [0/20301] Mean error on DEdeg (decErr) (stat.error;pos.eq.dec)
ObsDate2004.8412 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)
u23.372 mag (i) [4/38] Model magnitude in u filter, AB scale (u) (Note 5)   (phot.mag;em.opt.U)
err_u 0.872 mag Mean error on umag (err_u) (stat.error;phot.mag)
g22.329 mag (i) [5/40] Model magnitude in g filter, AB scale (g) (Note 5)   (phot.mag;em.opt.B)
err_g 0.211 mag Mean error on gmag (err_g) (stat.error;phot.mag)
r23.196 mag (i) [4/39] Model magnitude in r filter, AB scale (r) (Note 5)   (phot.mag;em.opt.R)
err_r 0.442 mag Mean error on rmag (err_r) (stat.error;phot.mag)
i22.035 mag (i) [3/40] Model magnitude in i filter, AB scale (i) (Note 5)   (phot.mag;em.opt.I)
err_i 0.217 mag Mean error on imag (err_i) (stat.error;phot.mag)
z23.161 mag (i) [3/38] Model magnitude in z filter, AB scale (z) (Note 5)   (phot.mag;em.opt.I)
err_z 0.900 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 9007199388958721  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)
uDate2004.8412 yr Date of observation in u band (Note 6)   (time.epoch)
u'mag23.372 mag [4/38] Model magnitude in u' filter (= umag) (Note 5)   (phot.mag;em.opt.U)
e_u'mag 0.872 mag Mean error on u'mag (= e_umag) (stat.error;phot.mag)
psfMag_u23.381 mag [5/34] PSF magnitude in u band (psfMag_u) (phot.mag;em.opt.U)
psfMagErr_u 0.852 mag Mean error on upmag (psfMagErr_u) (stat.error;phot.mag)
petroMag_u22.343 mag [3/43] Petrosian magnitude in u band (petroMag_u) (phot.mag;em.opt.U)
petroMagErr_u 0.573 mag Mean error on uPmag (petroMagErr_u) (stat.error;phot.mag)
petroRad_u 1.988 arcsec [0/260] Petrosian radius in u band (petroRad_u) (phys.angSize;src)
petroRadErr_u 0.942 arcsec Mean error in uPrad (petroRadErr_u) (stat.error)
offsetRa_u -0.02 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 4.940 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 95.0 deg Position angle of dVrad in u band (deVPhi_u) (pos.posAng)
flags_g 49539871181635584  Detection flags, g band (flags_g) (Note 3)   (meta.code)
probPSF_g1  0=notStar, 1=Star in g band (probPSF_g) (src.class.starGalaxy)
type_g6  Phototype in g band, 6=Star (type_g) (Note 1)   (src.class.starGalaxy)
gDate2004.8412 yr Date of observation in g band (Note 6)   (time.epoch)
g'mag22.329 mag [5/39] Model magnitude in g' filter (= gmag) (Note 5)   (phot.mag;em.opt.B)
e_g'mag 0.211 mag Mean error on g'mag (= e_gmag) (stat.error;phot.mag)
psfMag_g22.320 mag [5/37] PSF magnitude in g band (psfMag_g) (phot.mag;em.opt.B)
psfMagErr_g 0.201 mag Mean error on gpmag (psfMagErr_g) (stat.error;phot.mag)
petroMag_g22.988 mag [4/46] Petrosian magnitude in g band (petroMag_g) (phot.mag;em.opt.B)
petroMagErr_g 0.566 mag Mean error on gPmag (petroMagErr_g) (stat.error;phot.mag)
petroRad_g 1.261 arcsec Petrosian radius in g band (petroRad_g) (phys.angSize;src)
petroRadErr_g 0.215 arcsec Mean error in gPrad (petroRadErr_g) (stat.error)
offsetRa_g 0.01 arcsec Offset of g position along RA (offsetRa_g) (pos.angDistance)
offsetDec_g 0.01 arcsec Offset of g position along Dec (offsetDec_g) (pos.angDistance)
deVRad_g 0.002 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 49.3 deg Position angle of dVrad in g band (deVPhi_g) (pos.posAng)
flags_r 9007199388992769  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)
rDate2004.8412 yr Date of observation in r band (Note 6)   (time.epoch)
r'mag23.196 mag [4/39] Model magnitude in r' filter (= rmag) (Note 5)   (phot.mag;em.opt.R)
e_r'mag 0.442 mag Mean error on r'mag (= e_rmag) (stat.error;phot.mag)
psfMag_r23.229 mag [4/33] PSF magnitude in r band (psfMag_r) (phot.mag;em.opt.R)
psfMagErr_r 0.432 mag Mean error on rpmag (psfMagErr_r) (stat.error;phot.mag)
petroMag_r22.397 mag [4/43] Petrosian magnitude in r band (petroMag_r) (phot.mag;em.opt.R)
petroMagErr_r 0.404 mag Mean error on rPmag (petroMagErr_r) (stat.error;phot.mag)
petroRad_r 11.306 arcsec Petrosian radius in r band (petroRad_r) (phys.angSize;src)
petroRadErr_r  arcsec Mean error in rPrad (petroRadErr_r) (stat.error)
offsetRa_r -0.02 arcsec Offset of r position along RA (offsetRa_r) (pos.angDistance)
offsetDec_r -0.01 arcsec Offset of r position along Dec (offsetDec_r) (pos.angDistance)
deVRad_r 6.105 arcsec de Vaucouleurs fit radius, r band (deVRad_r) (phys.angSize;src)
rdVell 0.056 arcsec de Vaucouleurs fit ellipt, r band (1-deVAB_r) (src.ellipticity)
deVPhi_r145.5 deg Position angle of dVrad in r band (deVPhi_r) (pos.posAng)
flags_i 9007199388960001  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)
iDate2004.8412 yr Date of observation in i band (Note 6)   (time.epoch)
i'mag22.035 mag [3/40] Model magnitude in i' filter (= imag) (Note 5)   (phot.mag;em.opt.I)
e_i'mag 0.217 mag Mean error on i'mag (= e_imag) (stat.error;phot.mag)
psfMag_i22.100 mag [3/34] PSF magnitude in i band (psfMag_i) (phot.mag;em.opt.I)
psfMagErr_i 0.216 mag Mean error on ipmag (psfMagErr_i) (stat.error;phot.mag)
petroMag_i21.358 mag [3/45] Petrosian magnitude in i band (petroMag_i) (phot.mag;em.opt.I)
petroMagErr_i 0.248 mag Mean error on iPmag (petroMagErr_i) (stat.error;phot.mag)
petroRad_i 4.584 arcsec Petrosian radius in i band (petroRad_i) (phys.angSize;src)
petroRadErr_i  arcsec Mean error in iPrad (petroRadErr_i) (stat.error)
offsetRa_i -0.02 arcsec Offset of i position along RA (offsetRa_i) (pos.angDistance)
offsetDec_i -0.01 arcsec Offset of i position along Dec (offsetDec_i) (pos.angDistance)
deVRad_i 7.937 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_i168.0 deg Position angle of dVrad in i band (deVPhi_i) (pos.posAng)
flags_z 9007199388960001  Detection flags, z band (flags_z) (Note 3)   (meta.code)
probPSF_z1  0=notStar, 1=Star in z band (probPSF_z) (src.class.starGalaxy)
type_z6  Phototype in z band, 6=Star (type_z) (Note 1)   (src.class.starGalaxy)
zDate2004.8412 yr Date of observation in z band (Note 6)   (time.epoch)
z'mag23.161 mag [3/38] Model magnitude in z filter (= zmag) (Note 5)   (phot.mag;em.opt.I)
e_z'mag 0.900 mag Mean error on z'mag (= e_zmag) (stat.error;phot.mag)
psfMag_z22.952 mag [3/32] PSF magnitude in z band (psfMag_z) (phot.mag;em.opt.I)
psfMagErr_z 0.897 mag Mean error on zpmag (psfMagErr_z) (stat.error;phot.mag)
petroMag_z22.510 mag [3/42] Petrosian magnitude in z band (petroMag_z) (phot.mag;em.opt.I)
petroMagErr_z 1.563 mag Mean error on zPmag (petroMagErr_z) (stat.error;phot.mag)
petroRad_z 4.584 arcsec Petrosian radius in z band (petroRad_z) (phys.angSize;src)
petroRadErr_z  arcsec Mean error in zPrad (petroRadErr_z) (stat.error)
offsetRa_z -0.02 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 0.149 arcsec de Vaucouleurs fit radius, z band (deVRad_z) (phys.angSize;src)
zdVell 0.823 arcsec de Vaucouleurs fit ellipt, z band (1-deVAB_z) (src.ellipticity)
deVPhi_z 60.9 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)
_r0.644 arcsec Distance from center (007.074148-00.856242)[ICRS] (pos.angDistance)
_RAJ200000 28 17.81616 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000-00 51 23.0364 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195000 25 44.18344 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950-01 07 58.1530 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon110.03874931 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-63.14739999 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)

ra007.074234 deg (i) Right Ascension of the object (ICRS) (ra) (pos.eq.ra;meta.main)
dec-00.856399 deg (i) Declination of the object (ICRS) (dec) (pos.eq.dec;meta.main)
mode1   [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)
SDSS12J002817.81-005123.0  (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-ID2728-301-1-0460-0474  (i) [0-9 -] SDSS object identifier (Note 2)   (meta.id)
objID1237657189834555866  (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)
parentID1237657189834555865  Pointer to parent (if object deblended) (meta.id.parent)
flags 105658611401048  Photo Object Attribute flags (Note 3)   (meta.code.error)
Status 257  Hexadecimal status (Note 4)   (meta.code)
raErr 0.422 arcsec [0/51703] Mean error on RAdeg (raErr) (stat.error;pos.eq.ra)
decErr 0.072 arcsec [0/20301] Mean error on DEdeg (decErr) (stat.error;pos.eq.dec)
ObsDate2001.8816 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)
u22.444 mag (i) [4/38] Model magnitude in u filter, AB scale (u) (Note 5)   (phot.mag;em.opt.U)
err_u 0.298 mag Mean error on umag (err_u) (stat.error;phot.mag)
g22.264 mag (i) [5/40] Model magnitude in g filter, AB scale (g) (Note 5)   (phot.mag;em.opt.B)
err_g 0.117 mag Mean error on gmag (err_g) (stat.error;phot.mag)
r22.344 mag (i) [4/39] Model magnitude in r filter, AB scale (r) (Note 5)   (phot.mag;em.opt.R)
err_r 0.186 mag Mean error on rmag (err_r) (stat.error;phot.mag)
i21.961 mag (i) [3/40] Model magnitude in i filter, AB scale (i) (Note 5)   (phot.mag;em.opt.I)
err_i 0.176 mag Mean error on imag (err_i) (stat.error;phot.mag)
z21.172 mag (i) [3/38] Model magnitude in z filter, AB scale (z) (Note 5)   (phot.mag;em.opt.I)
err_z 0.338 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 45106640298491929  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)
uDate2001.8816 yr Date of observation in u band (Note 6)   (time.epoch)
u'mag22.444 mag [4/38] Model magnitude in u' filter (= umag) (Note 5)   (phot.mag;em.opt.U)
e_u'mag 0.298 mag Mean error on u'mag (= e_umag) (stat.error;phot.mag)
psfMag_u22.541 mag [5/34] PSF magnitude in u band (psfMag_u) (phot.mag;em.opt.U)
psfMagErr_u 0.250 mag Mean error on upmag (psfMagErr_u) (stat.error;phot.mag)
petroMag_u23.071 mag [3/43] Petrosian magnitude in u band (petroMag_u) (phot.mag;em.opt.U)
petroMagErr_u 0.960 mag Mean error on uPmag (petroMagErr_u) (stat.error;phot.mag)
petroRad_u 1.207 arcsec [0/260] Petrosian radius in u band (petroRad_u) (phys.angSize;src)
petroRadErr_u 0.238 arcsec Mean error in uPrad (petroRadErr_u) (stat.error)
offsetRa_u 0.10 arcsec Offset of u position along RA (offsetRa_u) (pos.angDistance)
offsetDec_u -0.04 arcsec Offset of u position along Dec (offsetDec_u) (pos.angDistance)
deVRad_u 0.236 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 92.3 deg Position angle of dVrad in u band (deVPhi_u) (pos.posAng)
flags_g 2252075094278168  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)
gDate2001.8816 yr Date of observation in g band (Note 6)   (time.epoch)
g'mag22.264 mag [5/39] Model magnitude in g' filter (= gmag) (Note 5)   (phot.mag;em.opt.B)
e_g'mag 0.117 mag Mean error on g'mag (= e_gmag) (stat.error;phot.mag)
psfMag_g22.598 mag [5/37] PSF magnitude in g band (psfMag_g) (phot.mag;em.opt.B)
psfMagErr_g 0.121 mag Mean error on gpmag (psfMagErr_g) (stat.error;phot.mag)
petroMag_g22.698 mag [4/46] Petrosian magnitude in g band (petroMag_g) (phot.mag;em.opt.B)
petroMagErr_g 0.344 mag Mean error on gPmag (petroMagErr_g) (stat.error;phot.mag)
petroRad_g 1.510 arcsec Petrosian radius in g band (petroRad_g) (phys.angSize;src)
petroRadErr_g 0.191 arcsec Mean error in gPrad (petroRadErr_g) (stat.error)
offsetRa_g -0.22 arcsec Offset of g position along RA (offsetRa_g) (pos.angDistance)
offsetDec_g 0.11 arcsec Offset of g position along Dec (offsetDec_g) (pos.angDistance)
deVRad_g 1.018 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_g108.2 deg Position angle of dVrad in g band (deVPhi_g) (pos.posAng)
flags_r 6755674721648664  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)
rDate2001.8815 yr Date of observation in r band (Note 6)   (time.epoch)
r'mag22.344 mag [4/39] Model magnitude in r' filter (= rmag) (Note 5)   (phot.mag;em.opt.R)
e_r'mag 0.186 mag Mean error on r'mag (= e_rmag) (stat.error;phot.mag)
psfMag_r22.791 mag [4/33] PSF magnitude in r band (psfMag_r) (phot.mag;em.opt.R)
psfMagErr_r 0.175 mag Mean error on rpmag (psfMagErr_r) (stat.error;phot.mag)
petroMag_r22.499 mag [4/43] Petrosian magnitude in r band (petroMag_r) (phot.mag;em.opt.R)
petroMagErr_r 0.432 mag Mean error on rPmag (petroMagErr_r) (stat.error;phot.mag)
petroRad_r 1.525 arcsec Petrosian radius in r band (petroRad_r) (phys.angSize;src)
petroRadErr_r 0.265 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 0.870 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_r113.3 deg Position angle of dVrad in r band (deVPhi_r) (pos.posAng)
flags_i 11259274349019160  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)
iDate2001.8816 yr Date of observation in i band (Note 6)   (time.epoch)
i'mag21.961 mag [3/40] Model magnitude in i' filter (= imag) (Note 5)   (phot.mag;em.opt.I)
e_i'mag 0.176 mag Mean error on i'mag (= e_imag) (stat.error;phot.mag)
psfMag_i22.329 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_i22.269 mag [3/45] Petrosian magnitude in i band (petroMag_i) (phot.mag;em.opt.I)
petroMagErr_i 0.540 mag Mean error on iPmag (petroMagErr_i) (stat.error;phot.mag)
petroRad_i 1.223 arcsec Petrosian radius in i band (petroRad_i) (phys.angSize;src)
petroRadErr_i 0.241 arcsec Mean error in iPrad (petroRadErr_i) (stat.error)
offsetRa_i 0.20 arcsec Offset of i position along RA (offsetRa_i) (pos.angDistance)
offsetDec_i -0.40 arcsec Offset of i position along Dec (offsetDec_i) (pos.angDistance)
deVRad_i 0.464 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_i118.0 deg Position angle of dVrad in i band (deVPhi_i) (pos.posAng)
flags_z 2322168968937753  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)
zDate2001.8816 yr Date of observation in z band (Note 6)   (time.epoch)
z'mag21.172 mag [3/38] Model magnitude in z filter (= zmag) (Note 5)   (phot.mag;em.opt.I)
e_z'mag 0.338 mag Mean error on z'mag (= e_zmag) (stat.error;phot.mag)
psfMag_z21.196 mag [3/32] PSF magnitude in z band (psfMag_z) (phot.mag;em.opt.I)
psfMagErr_z 0.265 mag Mean error on zpmag (psfMagErr_z) (stat.error;phot.mag)
petroMag_z21.873 mag [3/42] Petrosian magnitude in z band (petroMag_z) (phot.mag;em.opt.I)
petroMagErr_z 1.215 mag Mean error on zPmag (petroMagErr_z) (stat.error;phot.mag)
petroRad_z 2.970 arcsec Petrosian radius in z band (petroRad_z) (phys.angSize;src)
petroRadErr_z  arcsec Mean error in zPrad (petroRadErr_z) (stat.error)
offsetRa_z 0.68 arcsec Offset of z position along RA (offsetRa_z) (pos.angDistance)
offsetDec_z -0.86 arcsec Offset of z position along Dec (offsetDec_z) (pos.angDistance)
deVRad_z 0.493 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_z160.4 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-9999.0000  (i) [-9999/] Photometric redshift; estimated by robust fit to nearest neighbors in a reference set (Note 12)   (src.redshift)
zErr-9999.0000   [-9999/] Estimated error of the photometric redshift (zErr) (Note 12)   (stat.error)
nnAvgZ 0.5303   [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 7.976   Chi-square value for the minimum chi-square template fit (chisq_zph) (stat.value)
absMagU -19.106 mag [-644/4] rest frame u' absolute magnitude (absMagU) (phys.magAbs)
absMagG -20.040 mag [-472/3] rest frame g' absolute magnitude (absMagG) (phys.magAbs)
absMagR -19.635 mag [-351/3] rest frame r' absolute magnitude (absMagR) (phys.magAbs)
absMagI -19.746 mag [-271/7] rest frame i' absolute magnitude (absMagI) (phys.magAbs)
absMagZ -20.785 mag [-199/3] rest frame z' absolute magnitude (absMagZ) (phys.magAbs)
ColumnValue  Explain   (UCD)
_r0.665 arcsec Distance from center (007.074148-00.856242)[ICRS] (pos.angDistance)
_RAJ200000 28 17.81592 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000-00 51 23.0616 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195000 25 44.18320 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950-01 07 58.1782 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon110.03874406 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-63.14740665 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)

ra007.074233 deg (i) Right Ascension of the object (ICRS) (ra) (pos.eq.ra;meta.main)
dec-00.856406 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)
SDSS12J002817.81-005123.0  (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-ID2708-301-1-0156-0505  (i) [0-9 -] SDSS object identifier (Note 2)   (meta.id)
objID1237657103915287033  (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)
parentID1237657103915287031  Pointer to parent (if object deblended) (meta.id.parent)
flags 105624285216784  Photo Object Attribute flags (Note 3)   (meta.code.error)
Status1025  Hexadecimal status (Note 4)   (meta.code)
raErr 0.326 arcsec [0/51703] Mean error on RAdeg (raErr) (stat.error;pos.eq.ra)
decErr 0.109 arcsec [0/20301] Mean error on DEdeg (decErr) (stat.error;pos.eq.dec)
ObsDate2001.8650 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)
u23.159 mag (i) [4/38] Model magnitude in u filter, AB scale (u) (Note 5)   (phot.mag;em.opt.U)
err_u 0.475 mag Mean error on umag (err_u) (stat.error;phot.mag)
g23.046 mag (i) [5/40] Model magnitude in g filter, AB scale (g) (Note 5)   (phot.mag;em.opt.B)
err_g 0.206 mag Mean error on gmag (err_g) (stat.error;phot.mag)
r22.502 mag (i) [4/39] Model magnitude in r filter, AB scale (r) (Note 5)   (phot.mag;em.opt.R)
err_r 0.204 mag Mean error on rmag (err_r) (stat.error;phot.mag)
i22.276 mag (i) [3/40] Model magnitude in i filter, AB scale (i) (Note 5)   (phot.mag;em.opt.I)
err_i 0.249 mag Mean error on imag (err_i) (stat.error;phot.mag)
z21.763 mag (i) [3/38] Model magnitude in z filter, AB scale (z) (Note 5)   (phot.mag;em.opt.I)
err_z 0.513 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 11258999236231185  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)
uDate2001.8650 yr Date of observation in u band (Note 6)   (time.epoch)
u'mag23.159 mag [4/38] Model magnitude in u' filter (= umag) (Note 5)   (phot.mag;em.opt.U)
e_u'mag 0.475 mag Mean error on u'mag (= e_umag) (stat.error;phot.mag)
psfMag_u23.155 mag [5/34] PSF magnitude in u band (psfMag_u) (phot.mag;em.opt.U)
psfMagErr_u 0.445 mag Mean error on upmag (psfMagErr_u) (stat.error;phot.mag)
petroMag_u23.427 mag [3/43] Petrosian magnitude in u band (petroMag_u) (phot.mag;em.opt.U)
petroMagErr_u 1.030 mag Mean error on uPmag (petroMagErr_u) (stat.error;phot.mag)
petroRad_u 1.042 arcsec [0/260] Petrosian radius in u band (petroRad_u) (phys.angSize;src)
petroRadErr_u 0.897 arcsec Mean error in uPrad (petroRadErr_u) (stat.error)
offsetRa_u 0.22 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 2.909 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 63.6 deg Position angle of dVrad in u band (deVPhi_u) (pos.posAng)
flags_g 2322168859852817  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)
gDate2001.8650 yr Date of observation in g band (Note 6)   (time.epoch)
g'mag23.046 mag [5/39] Model magnitude in g' filter (= gmag) (Note 5)   (phot.mag;em.opt.B)
e_g'mag 0.206 mag Mean error on g'mag (= e_gmag) (stat.error;phot.mag)
psfMag_g23.183 mag [5/37] PSF magnitude in g band (psfMag_g) (phot.mag;em.opt.B)
psfMagErr_g 0.198 mag Mean error on gpmag (psfMagErr_g) (stat.error;phot.mag)
petroMag_g23.028 mag [4/46] Petrosian magnitude in g band (petroMag_g) (phot.mag;em.opt.B)
petroMagErr_g 0.375 mag Mean error on gPmag (petroMagErr_g) (stat.error;phot.mag)
petroRad_g 1.533 arcsec Petrosian radius in g band (petroRad_g) (phys.angSize;src)
petroRadErr_g 0.370 arcsec Mean error in gPrad (petroRadErr_g) (stat.error)
offsetRa_g 0.24 arcsec Offset of g position along RA (offsetRa_g) (pos.angDistance)
offsetDec_g 0.13 arcsec Offset of g position along Dec (offsetDec_g) (pos.angDistance)
deVRad_g 0.366 arcsec de Vaucouleurs fit radius, g band (deVRad_g) (phys.angSize;src)
gdVell 0.402 arcsec de Vaucouleurs fit ellipt, g band (1-deVAB_g) (src.ellipticity)
deVPhi_g 86.9 deg Position angle of dVrad in g band (deVPhi_g) (pos.posAng)
flags_r 6755674620952592  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)
rDate2001.8650 yr Date of observation in r band (Note 6)   (time.epoch)
r'mag22.502 mag [4/39] Model magnitude in r' filter (= rmag) (Note 5)   (phot.mag;em.opt.R)
e_r'mag 0.204 mag Mean error on r'mag (= e_rmag) (stat.error;phot.mag)
psfMag_r22.679 mag [4/33] PSF magnitude in r band (psfMag_r) (phot.mag;em.opt.R)
psfMagErr_r 0.193 mag Mean error on rpmag (psfMagErr_r) (stat.error;phot.mag)
petroMag_r23.163 mag [4/43] Petrosian magnitude in r band (petroMag_r) (phot.mag;em.opt.R)
petroMagErr_r 0.740 mag Mean error on rPmag (petroMagErr_r) (stat.error;phot.mag)
petroRad_r 1.353 arcsec Petrosian radius in r band (petroRad_r) (phys.angSize;src)
petroRadErr_r 0.272 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 0.331 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_r106.6 deg Position angle of dVrad in r band (deVPhi_r) (pos.posAng)
flags_i 70369046167569  Detection flags, i band (flags_i) (Note 3)   (meta.code)
probPSF_i1  0=notStar, 1=Star in i band (probPSF_i) (src.class.starGalaxy)
type_i6  Phototype in i band, 6=Star (type_i) (Note 1)   (src.class.starGalaxy)
iDate2001.8650 yr Date of observation in i band (Note 6)   (time.epoch)
i'mag22.276 mag [3/40] Model magnitude in i' filter (= imag) (Note 5)   (phot.mag;em.opt.I)
e_i'mag 0.249 mag Mean error on i'mag (= e_imag) (stat.error;phot.mag)
psfMag_i22.412 mag [3/34] PSF magnitude in i band (psfMag_i) (phot.mag;em.opt.I)
psfMagErr_i 0.240 mag Mean error on ipmag (psfMagErr_i) (stat.error;phot.mag)
petroMag_i22.683 mag [3/45] Petrosian magnitude in i band (petroMag_i) (phot.mag;em.opt.I)
petroMagErr_i 0.733 mag Mean error on iPmag (petroMagErr_i) (stat.error;phot.mag)
petroRad_i 1.267 arcsec Petrosian radius in i band (petroRad_i) (phys.angSize;src)
petroRadErr_i 0.382 arcsec Mean error in iPrad (petroRadErr_i) (stat.error)
offsetRa_i -0.01 arcsec Offset of i position along RA (offsetRa_i) (pos.angDistance)
offsetDec_i -0.19 arcsec Offset of i position along Dec (offsetDec_i) (pos.angDistance)
deVRad_i 0.236 arcsec de Vaucouleurs fit radius, i band (deVRad_i) (phys.angSize;src)
idVell 0.089 arcsec de Vaucouleurs fit ellipt, i band (1-deVAB_i) (src.ellipticity)
deVPhi_i115.2 deg Position angle of dVrad in i band (deVPhi_i) (pos.posAng)
flags_z 167772177  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)
zDate2001.8650 yr Date of observation in z band (Note 6)   (time.epoch)
z'mag21.763 mag [3/38] Model magnitude in z filter (= zmag) (Note 5)   (phot.mag;em.opt.I)
e_z'mag 0.513 mag Mean error on z'mag (= e_zmag) (stat.error;phot.mag)
psfMag_z21.896 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_z21.955 mag [3/42] Petrosian magnitude in z band (petroMag_z) (phot.mag;em.opt.I)
petroMagErr_z 1.205 mag Mean error on zPmag (petroMagErr_z) (stat.error;phot.mag)
petroRad_z 1.049 arcsec Petrosian radius in z band (petroRad_z) (phys.angSize;src)
petroRadErr_z 1.023 arcsec Mean error in zPrad (petroRadErr_z) (stat.error)
offsetRa_z 0.22 arcsec Offset of z position along RA (offsetRa_z) (pos.angDistance)
offsetDec_z 0.04 arcsec Offset of z position along Dec (offsetDec_z) (pos.angDistance)
deVRad_z 1.584 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 88.6 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)
_r0.685 arcsec Distance from center (007.074148-00.856242)[ICRS] (pos.angDistance)
_RAJ200000 28 17.78136 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000-00 51 23.1228 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195000 25 44.14864 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950-01 07 58.2397 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon110.03842418 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-63.14739472 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)

ra007.074089 deg (i) Right Ascension of the object (ICRS) (ra) (pos.eq.ra;meta.main)
dec-00.856423 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)
SDSS12J002817.78-005123.1  (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-ID4849-301-1-0502-0291  (i) [0-9 -] SDSS object identifier (Note 2)   (meta.id)
objID1237666299462943011  (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 2450614387016  Photo Object Attribute flags (Note 3)   (meta.code.error)
Status1025  Hexadecimal status (Note 4)   (meta.code)
raErr 0.125 arcsec [0/51703] Mean error on RAdeg (raErr) (stat.error;pos.eq.ra)
decErr 0.086 arcsec [0/20301] Mean error on DEdeg (decErr) (stat.error;pos.eq.dec)
ObsDate2004.7264 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)
u23.578 mag (i) [4/38] Model magnitude in u filter, AB scale (u) (Note 5)   (phot.mag;em.opt.U)
err_u 0.736 mag Mean error on umag (err_u) (stat.error;phot.mag)
g22.591 mag (i) [5/40] Model magnitude in g filter, AB scale (g) (Note 5)   (phot.mag;em.opt.B)
err_g 0.150 mag Mean error on gmag (err_g) (stat.error;phot.mag)
r22.512 mag (i) [4/39] Model magnitude in r filter, AB scale (r) (Note 5)   (phot.mag;em.opt.R)
err_r 0.177 mag Mean error on rmag (err_r) (stat.error;phot.mag)
i21.807 mag (i) [3/40] Model magnitude in i filter, AB scale (i) (Note 5)   (phot.mag;em.opt.I)
err_i 0.147 mag Mean error on imag (err_i) (stat.error;phot.mag)
z22.763 mag (i) [3/38] Model magnitude in z filter, AB scale (z) (Note 5)   (phot.mag;em.opt.I)
err_z 0.649 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 9007199456093513  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)
uDate2004.7264 yr Date of observation in u band (Note 6)   (time.epoch)
u'mag23.578 mag [4/38] Model magnitude in u' filter (= umag) (Note 5)   (phot.mag;em.opt.U)
e_u'mag 0.736 mag Mean error on u'mag (= e_umag) (stat.error;phot.mag)
psfMag_u23.219 mag [5/34] PSF magnitude in u band (psfMag_u) (phot.mag;em.opt.U)
psfMagErr_u 0.517 mag Mean error on upmag (psfMagErr_u) (stat.error;phot.mag)
petroMag_u24.492 mag [3/43] Petrosian magnitude in u band (petroMag_u) (phot.mag;em.opt.U)
petroMagErr_u 2.675 mag Mean error on uPmag (petroMagErr_u) (stat.error;phot.mag)
petroRad_u 4.584 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 0.07 arcsec Offset of u position along RA (offsetRa_u) (pos.angDistance)
offsetDec_u 0.04 arcsec Offset of u position along Dec (offsetDec_u) (pos.angDistance)
deVRad_u 12.263 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 65.8 deg Position angle of dVrad in u band (deVPhi_u) (pos.posAng)
flags_g 275213485384  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)
gDate2004.7264 yr Date of observation in g band (Note 6)   (time.epoch)
g'mag22.591 mag [5/39] Model magnitude in g' filter (= gmag) (Note 5)   (phot.mag;em.opt.B)
e_g'mag 0.150 mag Mean error on g'mag (= e_gmag) (stat.error;phot.mag)
psfMag_g22.718 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_g22.227 mag [4/46] Petrosian magnitude in g band (petroMag_g) (phot.mag;em.opt.B)
petroMagErr_g 0.470 mag Mean error on gPmag (petroMagErr_g) (stat.error;phot.mag)
petroRad_g 7.358 arcsec Petrosian radius in g band (petroRad_g) (phys.angSize;src)
petroRadErr_g  arcsec Mean error in gPrad (petroRadErr_g) (stat.error)
offsetRa_g 0.19 arcsec Offset of g position along RA (offsetRa_g) (pos.angDistance)
offsetDec_g 0.07 arcsec Offset of g position along Dec (offsetDec_g) (pos.angDistance)
deVRad_g 0.631 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 97.1 deg Position angle of dVrad in g band (deVPhi_g) (pos.posAng)
flags_r 4503874975039560  Detection flags, r band (flags_r) (Note 3)   (meta.code)
probPSF_r1  0=notStar, 1=Star in r band (probPSF_r) (src.class.starGalaxy)
type_r6  Phototype in r band, 6=Star (type_r) (Note 1)   (src.class.starGalaxy)
rDate2004.7264 yr Date of observation in r band (Note 6)   (time.epoch)
r'mag22.512 mag [4/39] Model magnitude in r' filter (= rmag) (Note 5)   (phot.mag;em.opt.R)
e_r'mag 0.177 mag Mean error on r'mag (= e_rmag) (stat.error;phot.mag)
psfMag_r22.652 mag [4/33] PSF magnitude in r band (psfMag_r) (phot.mag;em.opt.R)
psfMagErr_r 0.169 mag Mean error on rpmag (psfMagErr_r) (stat.error;phot.mag)
petroMag_r22.712 mag [4/43] Petrosian magnitude in r band (petroMag_r) (phot.mag;em.opt.R)
petroMagErr_r 0.608 mag Mean error on rPmag (petroMagErr_r) (stat.error;phot.mag)
petroRad_r 1.855 arcsec Petrosian radius in r band (petroRad_r) (phys.angSize;src)
petroRadErr_r 1.290 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 0.294 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_r111.2 deg Position angle of dVrad in r band (deVPhi_r) (pos.posAng)
flags_i 275213451336  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)
iDate2004.7264 yr Date of observation in i band (Note 6)   (time.epoch)
i'mag21.807 mag [3/40] Model magnitude in i' filter (= imag) (Note 5)   (phot.mag;em.opt.I)
e_i'mag 0.147 mag Mean error on i'mag (= e_imag) (stat.error;phot.mag)
psfMag_i21.984 mag [3/34] PSF magnitude in i band (psfMag_i) (phot.mag;em.opt.I)
psfMagErr_i 0.146 mag Mean error on ipmag (psfMagErr_i) (stat.error;phot.mag)
petroMag_i21.198 mag [3/45] Petrosian magnitude in i band (petroMag_i) (phot.mag;em.opt.I)
petroMagErr_i 0.352 mag Mean error on iPmag (petroMagErr_i) (stat.error;phot.mag)
petroRad_i 3.645 arcsec Petrosian radius in i band (petroRad_i) (phys.angSize;src)
petroRadErr_i 1.079 arcsec Mean error in iPrad (petroRadErr_i) (stat.error)
offsetRa_i 0.45 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 0.734 arcsec de Vaucouleurs fit radius, i band (deVRad_i) (phys.angSize;src)
idVell 0.222 arcsec de Vaucouleurs fit ellipt, i band (1-deVAB_i) (src.ellipticity)
deVPhi_i 90.5 deg Position angle of dVrad in i band (deVPhi_i) (pos.posAng)
flags_z 9007199464456521  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)
zDate2004.7264 yr Date of observation in z band (Note 6)   (time.epoch)
z'mag22.763 mag [3/38] Model magnitude in z filter (= zmag) (Note 5)   (phot.mag;em.opt.I)
e_z'mag 0.649 mag Mean error on z'mag (= e_zmag) (stat.error;phot.mag)
psfMag_z22.936 mag [3/32] PSF magnitude in z band (psfMag_z) (phot.mag;em.opt.I)
psfMagErr_z 0.560 mag Mean error on zpmag (psfMagErr_z) (stat.error;phot.mag)
petroMag_z19.908 mag [3/42] Petrosian magnitude in z band (petroMag_z) (phot.mag;em.opt.I)
petroMagErr_z 0.286 mag Mean error on zPmag (petroMagErr_z) (stat.error;phot.mag)
petroRad_z 2.970 arcsec Petrosian radius in z band (petroRad_z) (phys.angSize;src)
petroRadErr_z  arcsec Mean error in zPrad (petroRadErr_z) (stat.error)
offsetRa_z 0.06 arcsec Offset of z position along RA (offsetRa_z) (pos.angDistance)
offsetDec_z 0.04 arcsec Offset of z position along Dec (offsetDec_z) (pos.angDistance)
deVRad_z 29.668 arcsec de Vaucouleurs fit radius, z band (deVRad_z) (phys.angSize;src)
zdVell 0.054 arcsec de Vaucouleurs fit ellipt, z band (1-deVAB_z) (src.ellipticity)
deVPhi_z 63.9 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)
_r0.691 arcsec Distance from center (007.074148-00.856242)[ICRS] (pos.angDistance)
_RAJ200000 28 17.79120 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000-00 51 23.1588 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195000 25 44.15848 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950-01 07 58.2756 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon110.03850873 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-63.14741266 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)

ra007.074130 deg (i) Right Ascension of the object (ICRS) (ra) (pos.eq.ra;meta.main)
dec-00.856433 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)
SDSS12J002817.79-005123.1  (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-ID3384-301-1-0416-0223  (i) [0-9 -] SDSS object identifier (Note 2)   (meta.id)
objID1237660007330218207  (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)
parentID1237660007330218205  Pointer to parent (if object deblended) (meta.id.parent)
flags 35253393686872  Photo Object Attribute flags (Note 3)   (meta.code.error)
Status1025  Hexadecimal status (Note 4)   (meta.code)
raErr 0.147 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)
ObsDate2002.7744 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)
u22.939 mag (i) [4/38] Model magnitude in u filter, AB scale (u) (Note 5)   (phot.mag;em.opt.U)
err_u 0.579 mag Mean error on umag (err_u) (stat.error;phot.mag)
g22.414 mag (i) [5/40] Model magnitude in g filter, AB scale (g) (Note 5)   (phot.mag;em.opt.B)
err_g 0.173 mag Mean error on gmag (err_g) (stat.error;phot.mag)
r22.215 mag (i) [4/39] Model magnitude in r filter, AB scale (r) (Note 5)   (phot.mag;em.opt.R)
err_r 0.192 mag Mean error on rmag (err_r) (stat.error;phot.mag)
i21.784 mag (i) [3/40] Model magnitude in i filter, AB scale (i) (Note 5)   (phot.mag;em.opt.I)
err_i 0.189 mag Mean error on imag (err_i) (stat.error;phot.mag)
z23.061 mag (i) [3/38] Model magnitude in z filter, AB scale (z) (Note 5)   (phot.mag;em.opt.I)
err_z 0.953 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 2252899493216281  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)
uDate2002.7744 yr Date of observation in u band (Note 6)   (time.epoch)
u'mag22.939 mag [4/38] Model magnitude in u' filter (= umag) (Note 5)   (phot.mag;em.opt.U)
e_u'mag 0.579 mag Mean error on u'mag (= e_umag) (stat.error;phot.mag)
psfMag_u23.053 mag [5/34] PSF magnitude in u band (psfMag_u) (phot.mag;em.opt.U)
psfMagErr_u 0.471 mag Mean error on upmag (psfMagErr_u) (stat.error;phot.mag)
petroMag_u21.471 mag [3/43] Petrosian magnitude in u band (petroMag_u) (phot.mag;em.opt.U)
petroMagErr_u 0.381 mag Mean error on uPmag (petroMagErr_u) (stat.error;phot.mag)
petroRad_u 1.242 arcsec [0/260] Petrosian radius in u band (petroRad_u) (phys.angSize;src)
petroRadErr_u 1.139 arcsec Mean error in uPrad (petroRadErr_u) (stat.error)
offsetRa_u -0.02 arcsec Offset of u position along RA (offsetRa_u) (pos.angDistance)
offsetDec_u -0.08 arcsec Offset of u position along Dec (offsetDec_u) (pos.angDistance)
deVRad_u 29.665 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 76.9 deg Position angle of dVrad in u band (deVPhi_u) (pos.posAng)
flags_g 2252075127833880  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)
gDate2002.7744 yr Date of observation in g band (Note 6)   (time.epoch)
g'mag22.414 mag [5/39] Model magnitude in g' filter (= gmag) (Note 5)   (phot.mag;em.opt.B)
e_g'mag 0.173 mag Mean error on g'mag (= e_gmag) (stat.error;phot.mag)
psfMag_g22.596 mag [5/37] PSF magnitude in g band (psfMag_g) (phot.mag;em.opt.B)
psfMagErr_g 0.168 mag Mean error on gpmag (psfMagErr_g) (stat.error;phot.mag)
petroMag_g21.691 mag [4/46] Petrosian magnitude in g band (petroMag_g) (phot.mag;em.opt.B)
petroMagErr_g 0.215 mag Mean error on gPmag (petroMagErr_g) (stat.error;phot.mag)
petroRad_g 7.358 arcsec Petrosian radius in g band (petroRad_g) (phys.angSize;src)
petroRadErr_g  arcsec Mean error in gPrad (petroRadErr_g) (stat.error)
offsetRa_g 0.13 arcsec Offset of g position along RA (offsetRa_g) (pos.angDistance)
offsetDec_g -0.05 arcsec Offset of g position along Dec (offsetDec_g) (pos.angDistance)
deVRad_g 2.822 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_g120.4 deg Position angle of dVrad in g band (deVPhi_g) (pos.posAng)
flags_r 4503874815656216  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)
rDate2002.7744 yr Date of observation in r band (Note 6)   (time.epoch)
r'mag22.215 mag [4/39] Model magnitude in r' filter (= rmag) (Note 5)   (phot.mag;em.opt.R)
e_r'mag 0.192 mag Mean error on r'mag (= e_rmag) (stat.error;phot.mag)
psfMag_r22.470 mag [4/33] PSF magnitude in r band (psfMag_r) (phot.mag;em.opt.R)
psfMagErr_r 0.189 mag Mean error on rpmag (psfMagErr_r) (stat.error;phot.mag)
petroMag_r22.271 mag [4/43] Petrosian magnitude in r band (petroMag_r) (phot.mag;em.opt.R)
petroMagErr_r 0.552 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 0.521 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 78.5 deg Position angle of dVrad in r band (deVPhi_r) (pos.posAng)
flags_i 2252075127799832  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)
iDate2002.7744 yr Date of observation in i band (Note 6)   (time.epoch)
i'mag21.784 mag [3/40] Model magnitude in i' filter (= imag) (Note 5)   (phot.mag;em.opt.I)
e_i'mag 0.189 mag Mean error on i'mag (= e_imag) (stat.error;phot.mag)
psfMag_i22.005 mag [3/34] PSF magnitude in i band (psfMag_i) (phot.mag;em.opt.I)
psfMagErr_i 0.175 mag Mean error on ipmag (psfMagErr_i) (stat.error;phot.mag)
petroMag_i21.808 mag [3/45] Petrosian magnitude in i band (petroMag_i) (phot.mag;em.opt.I)
petroMagErr_i 0.563 mag Mean error on iPmag (petroMagErr_i) (stat.error;phot.mag)
petroRad_i 1.446 arcsec Petrosian radius in i band (petroRad_i) (phys.angSize;src)
petroRadErr_i 1.312 arcsec Mean error in iPrad (petroRadErr_i) (stat.error)
offsetRa_i 0.79 arcsec Offset of i position along RA (offsetRa_i) (pos.angDistance)
offsetDec_i 0.16 arcsec Offset of i position along Dec (offsetDec_i) (pos.angDistance)
deVRad_i 0.363 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_i100.2 deg Position angle of dVrad in i band (deVPhi_i) (pos.posAng)
flags_z 11258999244611865  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)
zDate2002.7744 yr Date of observation in z band (Note 6)   (time.epoch)
z'mag23.061 mag [3/38] Model magnitude in z filter (= zmag) (Note 5)   (phot.mag;em.opt.I)
e_z'mag 0.953 mag Mean error on z'mag (= e_zmag) (stat.error;phot.mag)
psfMag_z22.778 mag [3/32] PSF magnitude in z band (psfMag_z) (phot.mag;em.opt.I)
psfMagErr_z 0.767 mag Mean error on zpmag (psfMagErr_z) (stat.error;phot.mag)
petroMag_z22.738 mag [3/42] Petrosian magnitude in z band (petroMag_z) (phot.mag;em.opt.I)
petroMagErr_z 2.840 mag Mean error on zPmag (petroMagErr_z) (stat.error;phot.mag)
petroRad_z 2.968 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 -0.07 arcsec Offset of z position along Dec (offsetDec_z) (pos.angDistance)
deVRad_z 12.316 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_z172.8 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)
_r0.702 arcsec Distance from center (007.074148-00.856242)[ICRS] (pos.angDistance)
_RAJ200000 28 17.79600 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000-00 51 23.1732 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195000 25 44.16328 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950-01 07 58.2900 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon110.03855036 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-63.14742055 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)

ra007.074150 deg (i) Right Ascension of the object (ICRS) (ra) (pos.eq.ra;meta.main)
dec-00.856437 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)
SDSS12J002817.79-005123.1  (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-ID2662-301-1-0330-0281  (i) [0-9 -] SDSS object identifier (Note 2)   (meta.id)
objID1237656906358194457  (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 2244455956808  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 0.117 arcsec [0/20301] Mean error on DEdeg (decErr) (stat.error;pos.eq.dec)
ObsDate2001.7888 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)
u23.865 mag (i) [4/38] Model magnitude in u filter, AB scale (u) (Note 5)   (phot.mag;em.opt.U)
err_u 0.880 mag Mean error on umag (err_u) (stat.error;phot.mag)
g22.526 mag (i) [5/40] Model magnitude in g filter, AB scale (g) (Note 5)   (phot.mag;em.opt.B)
err_g 0.141 mag Mean error on gmag (err_g) (stat.error;phot.mag)
r22.422 mag (i) [4/39] Model magnitude in r filter, AB scale (r) (Note 5)   (phot.mag;em.opt.R)
err_r 0.193 mag Mean error on rmag (err_r) (stat.error;phot.mag)
i21.578 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)
z21.182 mag (i) [3/38] Model magnitude in z filter, AB scale (z) (Note 5)   (phot.mag;em.opt.I)
err_z 0.381 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 9007199464464713  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)
uDate2001.7888 yr Date of observation in u band (Note 6)   (time.epoch)
u'mag23.865 mag [4/38] Model magnitude in u' filter (= umag) (Note 5)   (phot.mag;em.opt.U)
e_u'mag 0.880 mag Mean error on u'mag (= e_umag) (stat.error;phot.mag)
psfMag_u23.899 mag [5/34] PSF magnitude in u band (psfMag_u) (phot.mag;em.opt.U)
psfMagErr_u 0.767 mag Mean error on upmag (psfMagErr_u) (stat.error;phot.mag)
petroMag_u22.273 mag [3/43] Petrosian magnitude in u band (petroMag_u) (phot.mag;em.opt.U)
petroMagErr_u 0.701 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 0.04 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 29.663 arcsec de Vaucouleurs fit radius, u band (deVRad_u) (phys.angSize;src)
udVell 0.102 arcsec de Vaucouleurs fit ellipt, u band (1-deVAB_u) (src.ellipticity)
deVPhi_u132.7 deg Position angle of dVrad in u band (deVPhi_u) (pos.posAng)
flags_g 275221872712  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)
gDate2001.7888 yr Date of observation in g band (Note 6)   (time.epoch)
g'mag22.526 mag [5/39] Model magnitude in g' filter (= gmag) (Note 5)   (phot.mag;em.opt.B)
e_g'mag 0.141 mag Mean error on g'mag (= e_gmag) (stat.error;phot.mag)
psfMag_g22.745 mag [5/37] PSF magnitude in g band (psfMag_g) (phot.mag;em.opt.B)
psfMagErr_g 0.154 mag Mean error on gpmag (psfMagErr_g) (stat.error;phot.mag)
petroMag_g22.548 mag [4/46] Petrosian magnitude in g band (petroMag_g) (phot.mag;em.opt.B)
petroMagErr_g 0.319 mag Mean error on gPmag (petroMagErr_g) (stat.error;phot.mag)
petroRad_g 1.556 arcsec Petrosian radius in g band (petroRad_g) (phys.angSize;src)
petroRadErr_g 0.271 arcsec Mean error in gPrad (petroRadErr_g) (stat.error)
offsetRa_g 0.12 arcsec Offset of g position along RA (offsetRa_g) (pos.angDistance)
offsetDec_g 0.11 arcsec Offset of g position along Dec (offsetDec_g) (pos.angDistance)
deVRad_g 1.022 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 62.1 deg Position angle of dVrad in g band (deVPhi_g) (pos.posAng)
flags_r 4503874840821832  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)
rDate2001.7888 yr Date of observation in r band (Note 6)   (time.epoch)
r'mag22.422 mag [4/39] Model magnitude in r' filter (= rmag) (Note 5)   (phot.mag;em.opt.R)
e_r'mag 0.193 mag Mean error on r'mag (= e_rmag) (stat.error;phot.mag)
psfMag_r22.666 mag [4/33] PSF magnitude in r band (psfMag_r) (phot.mag;em.opt.R)
psfMagErr_r 0.189 mag Mean error on rpmag (psfMagErr_r) (stat.error;phot.mag)
petroMag_r22.901 mag [4/43] Petrosian magnitude in r band (petroMag_r) (phot.mag;em.opt.R)
petroMagErr_r 0.622 mag Mean error on rPmag (petroMagErr_r) (stat.error;phot.mag)
petroRad_r 1.523 arcsec Petrosian radius in r band (petroRad_r) (phys.angSize;src)
petroRadErr_r 0.330 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 0.418 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 86.1 deg Position angle of dVrad in r band (deVPhi_r) (pos.posAng)
flags_i 275221872968  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)
iDate2001.7888 yr Date of observation in i band (Note 6)   (time.epoch)
i'mag21.578 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_i21.768 mag [3/34] PSF magnitude in i band (psfMag_i) (phot.mag;em.opt.I)
psfMagErr_i 0.156 mag Mean error on ipmag (psfMagErr_i) (stat.error;phot.mag)
petroMag_i21.270 mag [3/45] Petrosian magnitude in i band (petroMag_i) (phot.mag;em.opt.I)
petroMagErr_i 0.348 mag Mean error on iPmag (petroMagErr_i) (stat.error;phot.mag)
petroRad_i 2.971 arcsec Petrosian radius in i band (petroRad_i) (phys.angSize;src)
petroRadErr_i  arcsec Mean error in iPrad (petroRadErr_i) (stat.error)
offsetRa_i -0.14 arcsec Offset of i position along RA (offsetRa_i) (pos.angDistance)
offsetDec_i 2.77 arcsec Offset of i position along Dec (offsetDec_i) (pos.angDistance)
deVRad_i 0.483 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 54.7 deg Position angle of dVrad in i band (deVPhi_i) (pos.posAng)
flags_z 9007199456084041  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)
zDate2001.7888 yr Date of observation in z band (Note 6)   (time.epoch)
z'mag21.182 mag [3/38] Model magnitude in z filter (= zmag) (Note 5)   (phot.mag;em.opt.I)
e_z'mag 0.381 mag Mean error on z'mag (= e_zmag) (stat.error;phot.mag)
psfMag_z21.355 mag [3/32] PSF magnitude in z band (psfMag_z) (phot.mag;em.opt.I)
psfMagErr_z 0.354 mag Mean error on zpmag (psfMagErr_z) (stat.error;phot.mag)
petroMag_z21.185 mag [3/42] Petrosian magnitude in z band (petroMag_z) (phot.mag;em.opt.I)
petroMagErr_z 0.813 mag Mean error on zPmag (petroMagErr_z) (stat.error;phot.mag)
petroRad_z 1.139 arcsec Petrosian radius in z band (petroRad_z) (phys.angSize;src)
petroRadErr_z 1.061 arcsec Mean error in zPrad (petroRadErr_z) (stat.error)
offsetRa_z 0.07 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 0.812 arcsec de Vaucouleurs fit radius, z band (deVRad_z) (phys.angSize;src)
zdVell 0.147 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)
_r0.735 arcsec Distance from center (007.074148-00.856242)[ICRS] (pos.angDistance)
_RAJ200000 28 17.80848 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000-00 51 23.1804 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195000 25 44.17576 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950-01 07 58.2971 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon110.03866230 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-63.14743284 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)

ra007.074202 deg (i) Right Ascension of the object (ICRS) (ra) (pos.eq.ra;meta.main)
dec-00.856439 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)
SDSS12J002817.80-005123.1  (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-ID4207-301-1-0419-0280  (i) [0-9 -] SDSS object identifier (Note 2)   (meta.id)
objID1237663542088499480  (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 281543964623616  Photo Object Attribute flags (Note 3)   (meta.code.error)
Status1025  Hexadecimal status (Note 4)   (meta.code)
raErr 0.173 arcsec [0/51703] Mean error on RAdeg (raErr) (stat.error;pos.eq.ra)
decErr 0.128 arcsec [0/20301] Mean error on DEdeg (decErr) (stat.error;pos.eq.dec)
ObsDate2003.8118 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)
u23.239 mag (i) [4/38] Model magnitude in u filter, AB scale (u) (Note 5)   (phot.mag;em.opt.U)
err_u 0.662 mag Mean error on umag (err_u) (stat.error;phot.mag)
g22.622 mag (i) [5/40] Model magnitude in g filter, AB scale (g) (Note 5)   (phot.mag;em.opt.B)
err_g 0.163 mag Mean error on gmag (err_g) (stat.error;phot.mag)
r22.215 mag (i) [4/39] Model magnitude in r filter, AB scale (r) (Note 5)   (phot.mag;em.opt.R)
err_r 0.162 mag Mean error on rmag (err_r) (stat.error;phot.mag)
i22.287 mag (i) [3/40] Model magnitude in i filter, AB scale (i) (Note 5)   (phot.mag;em.opt.I)
err_i 0.249 mag Mean error on imag (err_i) (stat.error;phot.mag)
z21.109 mag (i) [3/38] Model magnitude in z filter, AB scale (z) (Note 5)   (phot.mag;em.opt.I)
err_z 0.294 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 9007199397380353  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)
uDate2003.8118 yr Date of observation in u band (Note 6)   (time.epoch)
u'mag23.239 mag [4/38] Model magnitude in u' filter (= umag) (Note 5)   (phot.mag;em.opt.U)
e_u'mag 0.662 mag Mean error on u'mag (= e_umag) (stat.error;phot.mag)
psfMag_u23.286 mag [5/34] PSF magnitude in u band (psfMag_u) (phot.mag;em.opt.U)
psfMagErr_u 0.625 mag Mean error on upmag (psfMagErr_u) (stat.error;phot.mag)
petroMag_u22.434 mag [3/43] Petrosian magnitude in u band (petroMag_u) (phot.mag;em.opt.U)
petroMagErr_u 0.550 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 0.04 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 4.107 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 83.2 deg Position angle of dVrad in u band (deVPhi_u) (pos.posAng)
flags_g 275154764032  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)
gDate2003.8118 yr Date of observation in g band (Note 6)   (time.epoch)
g'mag22.622 mag [5/39] Model magnitude in g' filter (= gmag) (Note 5)   (phot.mag;em.opt.B)
e_g'mag 0.163 mag Mean error on g'mag (= e_gmag) (stat.error;phot.mag)
psfMag_g22.790 mag [5/37] PSF magnitude in g band (psfMag_g) (phot.mag;em.opt.B)
psfMagErr_g 0.163 mag Mean error on gpmag (psfMagErr_g) (stat.error;phot.mag)
petroMag_g22.386 mag [4/46] Petrosian magnitude in g band (petroMag_g) (phot.mag;em.opt.B)
petroMagErr_g 0.271 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 0.11 arcsec Offset of g position along RA (offsetRa_g) (pos.angDistance)
offsetDec_g 0.25 arcsec Offset of g position along Dec (offsetDec_g) (pos.angDistance)
deVRad_g 1.147 arcsec de Vaucouleurs fit radius, g band (deVRad_g) (phys.angSize;src)
gdVell 0.100 arcsec de Vaucouleurs fit ellipt, g band (1-deVAB_g) (src.ellipticity)
deVPhi_g111.9 deg Position angle of dVrad in g band (deVPhi_g) (pos.posAng)
flags_r 4503874916352000  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)
rDate2003.8118 yr Date of observation in r band (Note 6)   (time.epoch)
r'mag22.215 mag [4/39] Model magnitude in r' filter (= rmag) (Note 5)   (phot.mag;em.opt.R)
e_r'mag 0.162 mag Mean error on r'mag (= e_rmag) (stat.error;phot.mag)
psfMag_r22.385 mag [4/33] PSF magnitude in r band (psfMag_r) (phot.mag;em.opt.R)
psfMagErr_r 0.160 mag Mean error on rpmag (psfMagErr_r) (stat.error;phot.mag)
petroMag_r22.431 mag [4/43] Petrosian magnitude in r band (petroMag_r) (phot.mag;em.opt.R)
petroMagErr_r 0.416 mag Mean error on rPmag (petroMagErr_r) (stat.error;phot.mag)
petroRad_r 1.671 arcsec Petrosian radius in r band (petroRad_r) (phys.angSize;src)
petroRadErr_r 0.361 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 0.355 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 93.1 deg Position angle of dVrad in r band (deVPhi_r) (pos.posAng)
flags_i 142639361  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)
iDate2003.8118 yr Date of observation in i band (Note 6)   (time.epoch)
i'mag22.287 mag [3/40] Model magnitude in i' filter (= imag) (Note 5)   (phot.mag;em.opt.I)
e_i'mag 0.249 mag Mean error on i'mag (= e_imag) (stat.error;phot.mag)
psfMag_i22.432 mag [3/34] PSF magnitude in i band (psfMag_i) (phot.mag;em.opt.I)
psfMagErr_i 0.237 mag Mean error on ipmag (psfMagErr_i) (stat.error;phot.mag)
petroMag_i21.663 mag [3/45] Petrosian magnitude in i band (petroMag_i) (phot.mag;em.opt.I)
petroMagErr_i 0.313 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 0.04 arcsec Offset of i position along RA (offsetRa_i) (pos.angDistance)
offsetDec_i 0.03 arcsec Offset of i position along Dec (offsetDec_i) (pos.angDistance)
deVRad_i 6.379 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 0.6 deg Position angle of dVrad in i band (deVPhi_i) (pos.posAng)
flags_z 9007199388992001  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)
zDate2003.8118 yr Date of observation in z band (Note 6)   (time.epoch)
z'mag21.109 mag [3/38] Model magnitude in z filter (= zmag) (Note 5)   (phot.mag;em.opt.I)
e_z'mag 0.294 mag Mean error on z'mag (= e_zmag) (stat.error;phot.mag)
psfMag_z21.455 mag [3/32] PSF magnitude in z band (psfMag_z) (phot.mag;em.opt.I)
psfMagErr_z 0.327 mag Mean error on zpmag (psfMagErr_z) (stat.error;phot.mag)
petroMag_z20.718 mag [3/42] Petrosian magnitude in z band (petroMag_z) (phot.mag;em.opt.I)
petroMagErr_z 0.553 mag Mean error on zPmag (petroMagErr_z) (stat.error;phot.mag)
petroRad_z 1.639 arcsec Petrosian radius in z band (petroRad_z) (phys.angSize;src)
petroRadErr_z 1.556 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 0.03 arcsec Offset of z position along Dec (offsetDec_z) (pos.angDistance)
deVRad_z 1.705 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_z110.9 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)
_r0.737 arcsec Distance from center (007.074148-00.856242)[ICRS] (pos.angDistance)
_RAJ200000 28 17.79936 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000-00 51 23.2056 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195000 25 44.16664 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950-01 07 58.3224 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon110.03857678 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-63.14743215 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)

ra007.074164 deg (i) Right Ascension of the object (ICRS) (ra) (pos.eq.ra;meta.main)
dec-00.856446 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)
SDSS12J002817.79-005123.2  (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-ID2649-301-1-0169-0533  (i) [0-9 -] SDSS object identifier (Note 2)   (meta.id)
objID1237656850513068565  (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)
parentID1237656850513068564  Pointer to parent (if object deblended) (meta.id.parent)
flags 387099228373264  Photo Object Attribute flags (Note 3)   (meta.code.error)
Status1025  Hexadecimal status (Note 4)   (meta.code)
raErr 0.237 arcsec [0/51703] Mean error on RAdeg (raErr) (stat.error;pos.eq.ra)
decErr 0.107 arcsec [0/20301] Mean error on DEdeg (decErr) (stat.error;pos.eq.dec)
ObsDate2001.7860 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)
u24.397 mag (i) [4/38] Model magnitude in u filter, AB scale (u) (Note 5)   (phot.mag;em.opt.U)
err_u 1.221 mag Mean error on umag (err_u) (stat.error;phot.mag)
g22.531 mag (i) [5/40] Model magnitude in g filter, AB scale (g) (Note 5)   (phot.mag;em.opt.B)
err_g 0.170 mag Mean error on gmag (err_g) (stat.error;phot.mag)
r22.203 mag (i) [4/39] Model magnitude in r filter, AB scale (r) (Note 5)   (phot.mag;em.opt.R)
err_r 0.163 mag Mean error on rmag (err_r) (stat.error;phot.mag)
i21.890 mag (i) [3/40] Model magnitude in i filter, AB scale (i) (Note 5)   (phot.mag;em.opt.I)
err_i 0.206 mag Mean error on imag (err_i) (stat.error;phot.mag)
z21.392 mag (i) [3/38] Model magnitude in z filter, AB scale (z) (Note 5)   (phot.mag;em.opt.I)
err_z 0.489 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 9007199397363985  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)
uDate2001.7860 yr Date of observation in u band (Note 6)   (time.epoch)
u'mag24.397 mag [4/38] Model magnitude in u' filter (= umag) (Note 5)   (phot.mag;em.opt.U)
e_u'mag 1.221 mag Mean error on u'mag (= e_umag) (stat.error;phot.mag)
psfMag_u24.586 mag [5/34] PSF magnitude in u band (psfMag_u) (phot.mag;em.opt.U)
psfMagErr_u 0.978 mag Mean error on upmag (psfMagErr_u) (stat.error;phot.mag)
petroMag_u24.569 mag [3/43] Petrosian magnitude in u band (petroMag_u) (phot.mag;em.opt.U)
petroMagErr_u 2.424 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 -0.02 arcsec Offset of u position along RA (offsetRa_u) (pos.angDistance)
offsetDec_u 0.02 arcsec Offset of u position along Dec (offsetDec_u) (pos.angDistance)
deVRad_u 29.668 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 59.2 deg Position angle of dVrad in u band (deVPhi_u) (pos.posAng)
flags_g 2251799813685265  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)
gDate2001.7860 yr Date of observation in g band (Note 6)   (time.epoch)
g'mag22.531 mag [5/39] Model magnitude in g' filter (= gmag) (Note 5)   (phot.mag;em.opt.B)
e_g'mag 0.170 mag Mean error on g'mag (= e_gmag) (stat.error;phot.mag)
psfMag_g22.833 mag [5/37] PSF magnitude in g band (psfMag_g) (phot.mag;em.opt.B)
psfMagErr_g 0.171 mag Mean error on gpmag (psfMagErr_g) (stat.error;phot.mag)
petroMag_g22.663 mag [4/46] Petrosian magnitude in g band (petroMag_g) (phot.mag;em.opt.B)
petroMagErr_g 0.369 mag Mean error on gPmag (petroMagErr_g) (stat.error;phot.mag)
petroRad_g 1.903 arcsec Petrosian radius in g band (petroRad_g) (phys.angSize;src)
petroRadErr_g 1.725 arcsec Mean error in gPrad (petroRadErr_g) (stat.error)
offsetRa_g 0.01 arcsec Offset of g position along RA (offsetRa_g) (pos.angDistance)
offsetDec_g 0.05 arcsec Offset of g position along Dec (offsetDec_g) (pos.angDistance)
deVRad_g 0.862 arcsec de Vaucouleurs fit radius, g band (deVRad_g) (phys.angSize;src)
gdVell 0.173 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 6755674587398160  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)
rDate2001.7860 yr Date of observation in r band (Note 6)   (time.epoch)
r'mag22.203 mag [4/39] Model magnitude in r' filter (= rmag) (Note 5)   (phot.mag;em.opt.R)
e_r'mag 0.163 mag Mean error on r'mag (= e_rmag) (stat.error;phot.mag)
psfMag_r22.686 mag [4/33] PSF magnitude in r band (psfMag_r) (phot.mag;em.opt.R)
psfMagErr_r 0.173 mag Mean error on rpmag (psfMagErr_r) (stat.error;phot.mag)
petroMag_r22.607 mag [4/43] Petrosian magnitude in r band (petroMag_r) (phot.mag;em.opt.R)
petroMagErr_r 0.576 mag Mean error on rPmag (petroMagErr_r) (stat.error;phot.mag)
petroRad_r 1.674 arcsec Petrosian radius in r band (petroRad_r) (phys.angSize;src)
petroRadErr_r 0.276 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 0.569 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_r105.1 deg Position angle of dVrad in r band (deVPhi_r) (pos.posAng)
flags_i 2322443846844433  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)
iDate2001.7860 yr Date of observation in i band (Note 6)   (time.epoch)
i'mag21.890 mag [3/40] Model magnitude in i' filter (= imag) (Note 5)   (phot.mag;em.opt.I)
e_i'mag 0.206 mag Mean error on i'mag (= e_imag) (stat.error;phot.mag)
psfMag_i22.166 mag [3/34] PSF magnitude in i band (psfMag_i) (phot.mag;em.opt.I)
psfMagErr_i 0.216 mag Mean error on ipmag (psfMagErr_i) (stat.error;phot.mag)
petroMag_i22.111 mag [3/45] Petrosian magnitude in i band (petroMag_i) (phot.mag;em.opt.I)
petroMagErr_i 0.591 mag Mean error on iPmag (petroMagErr_i) (stat.error;phot.mag)
petroRad_i 1.369 arcsec Petrosian radius in i band (petroRad_i) (phys.angSize;src)
petroRadErr_i 0.358 arcsec Mean error in iPrad (petroRadErr_i) (stat.error)
offsetRa_i 0.09 arcsec Offset of i position along RA (offsetRa_i) (pos.angDistance)
offsetDec_i 0.03 arcsec Offset of i position along Dec (offsetDec_i) (pos.angDistance)
deVRad_i 0.487 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 6.5 deg Position angle of dVrad in i band (deVPhi_i) (pos.posAng)
flags_z 11258999202678033  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)
zDate2001.7860 yr Date of observation in z band (Note 6)   (time.epoch)
z'mag21.392 mag [3/38] Model magnitude in z filter (= zmag) (Note 5)   (phot.mag;em.opt.I)
e_z'mag 0.489 mag Mean error on z'mag (= e_zmag) (stat.error;phot.mag)
psfMag_z21.780 mag [3/32] PSF magnitude in z band (psfMag_z) (phot.mag;em.opt.I)
psfMagErr_z 0.491 mag Mean error on zpmag (psfMagErr_z) (stat.error;phot.mag)
petroMag_z20.522 mag [3/42] Petrosian magnitude in z band (petroMag_z) (phot.mag;em.opt.I)
petroMagErr_z 0.540 mag Mean error on zPmag (petroMagErr_z) (stat.error;phot.mag)
petroRad_z 11.308 arcsec Petrosian radius in z band (petroRad_z) (phys.angSize;src)
petroRadErr_z  arcsec Mean error in zPrad (petroRadErr_z) (stat.error)
offsetRa_z 0.00 arcsec Offset of z position along RA (offsetRa_z) (pos.angDistance)
offsetDec_z 0.03 arcsec Offset of z position along Dec (offsetDec_z) (pos.angDistance)
deVRad_z 15.286 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_z134.4 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)
_r0.751 arcsec Distance from center (007.074148-00.856242)[ICRS] (pos.angDistance)
_RAJ200000 28 17.79192 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000-00 51 23.2200 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195000 25 44.15920 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950-01 07 58.3368 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon110.03850776 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-63.14742992 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)

ra007.074133 deg (i) Right Ascension of the object (ICRS) (ra) (pos.eq.ra;meta.main)
dec-00.856450 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)
class6  Type of object (3=galaxy, 6=star) (Note 1)   (src.class)
SDSS12J002817.79-005123.2  (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-ID94-301-1-0215-0235  (i) [0-9 -] SDSS object identifier (Note 2)   (meta.id)
objID1237645876874641643  (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 281543964758784  Photo Object Attribute flags (Note 3)   (meta.code.error)
Status1025  Hexadecimal status (Note 4)   (meta.code)
raErr 0.134 arcsec [0/51703] Mean error on RAdeg (raErr) (stat.error;pos.eq.ra)
decErr 0.131 arcsec [0/20301] Mean error on DEdeg (decErr) (stat.error;pos.eq.dec)
ObsDate1998.7169 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)
u22.248 mag (i) [4/38] Model magnitude in u filter, AB scale (u) (Note 5)   (phot.mag;em.opt.U)
err_u 0.219 mag Mean error on umag (err_u) (stat.error;phot.mag)
g22.742 mag (i) [5/40] Model magnitude in g filter, AB scale (g) (Note 5)   (phot.mag;em.opt.B)
err_g 0.168 mag Mean error on gmag (err_g) (stat.error;phot.mag)
r22.757 mag (i) [4/39] Model magnitude in r filter, AB scale (r) (Note 5)   (phot.mag;em.opt.R)
err_r 0.245 mag Mean error on rmag (err_r) (stat.error;phot.mag)
i22.105 mag (i) [3/40] Model magnitude in i filter, AB scale (i) (Note 5)   (phot.mag;em.opt.I)
err_i 0.228 mag Mean error on imag (err_i) (stat.error;phot.mag)
z21.588 mag (i) [3/38] Model magnitude in z filter, AB scale (z) (Note 5)   (phot.mag;em.opt.I)
err_z 0.532 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 9007474543723008  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)
uDate1998.7169 yr Date of observation in u band (Note 6)   (time.epoch)
u'mag22.248 mag [4/38] Model magnitude in u' filter (= umag) (Note 5)   (phot.mag;em.opt.U)
e_u'mag 0.219 mag Mean error on u'mag (= e_umag) (stat.error;phot.mag)
psfMag_u22.178 mag [5/34] PSF magnitude in u band (psfMag_u) (phot.mag;em.opt.U)
psfMagErr_u 0.202 mag Mean error on upmag (psfMagErr_u) (stat.error;phot.mag)
petroMag_u22.706 mag [3/43] Petrosian magnitude in u band (petroMag_u) (phot.mag;em.opt.U)
petroMagErr_u 0.469 mag Mean error on uPmag (petroMagErr_u) (stat.error;phot.mag)
petroRad_u 0.978 arcsec [0/260] Petrosian radius in u band (petroRad_u) (phys.angSize;src)
petroRadErr_u 0.610 arcsec Mean error in uPrad (petroRadErr_u) (stat.error)
offsetRa_u -0.22 arcsec Offset of u position along RA (offsetRa_u) (pos.angDistance)
offsetDec_u 0.09 arcsec Offset of u position along Dec (offsetDec_u) (pos.angDistance)
deVRad_u 0.157 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 75.6 deg Position angle of dVrad in u band (deVPhi_u) (pos.posAng)
flags_g 4503874907963392  Detection flags, g band (flags_g) (Note 3)   (meta.code)
probPSF_g1  0=notStar, 1=Star in g band (probPSF_g) (src.class.starGalaxy)
type_g6  Phototype in g band, 6=Star (type_g) (Note 1)   (src.class.starGalaxy)
gDate1998.7169 yr Date of observation in g band (Note 6)   (time.epoch)
g'mag22.742 mag [5/39] Model magnitude in g' filter (= gmag) (Note 5)   (phot.mag;em.opt.B)
e_g'mag 0.168 mag Mean error on g'mag (= e_gmag) (stat.error;phot.mag)
psfMag_g22.684 mag [5/37] PSF magnitude in g band (psfMag_g) (phot.mag;em.opt.B)
psfMagErr_g 0.155 mag Mean error on gpmag (psfMagErr_g) (stat.error;phot.mag)
petroMag_g23.004 mag [4/46] Petrosian magnitude in g band (petroMag_g) (phot.mag;em.opt.B)
petroMagErr_g 0.310 mag Mean error on gPmag (petroMagErr_g) (stat.error;phot.mag)
petroRad_g 1.029 arcsec Petrosian radius in g band (petroRad_g) (phys.angSize;src)
petroRadErr_g 0.215 arcsec Mean error in gPrad (petroRadErr_g) (stat.error)
offsetRa_g 0.03 arcsec Offset of g position along RA (offsetRa_g) (pos.angDistance)
offsetDec_g 0.07 arcsec Offset of g position along Dec (offsetDec_g) (pos.angDistance)
deVRad_g 0.005 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 85.4 deg Position angle of dVrad in g band (deVPhi_g) (pos.posAng)
flags_r 142774529  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)
rDate1998.7169 yr Date of observation in r band (Note 6)   (time.epoch)
r'mag22.757 mag [4/39] Model magnitude in r' filter (= rmag) (Note 5)   (phot.mag;em.opt.R)
e_r'mag 0.245 mag Mean error on r'mag (= e_rmag) (stat.error;phot.mag)
psfMag_r22.803 mag [4/33] PSF magnitude in r band (psfMag_r) (phot.mag;em.opt.R)
psfMagErr_r 0.234 mag Mean error on rpmag (psfMagErr_r) (stat.error;phot.mag)
petroMag_r22.088 mag [4/43] Petrosian magnitude in r band (petroMag_r) (phot.mag;em.opt.R)
petroMagErr_r 0.350 mag Mean error on rPmag (petroMagErr_r) (stat.error;phot.mag)
petroRad_r 2.969 arcsec Petrosian radius in r band (petroRad_r) (phys.angSize;src)
petroRadErr_r  arcsec Mean error in rPrad (petroRadErr_r) (stat.error)
offsetRa_r -0.03 arcsec Offset of r position along RA (offsetRa_r) (pos.angDistance)
offsetDec_r 0.04 arcsec Offset of r position along Dec (offsetDec_r) (pos.angDistance)
deVRad_r 7.732 arcsec de Vaucouleurs fit radius, r band (deVRad_r) (phys.angSize;src)
rdVell 0.337 arcsec de Vaucouleurs fit ellipt, r band (1-deVAB_r) (src.ellipticity)
deVPhi_r135.9 deg Position angle of dVrad in r band (deVPhi_r) (pos.posAng)
flags_i 134381569  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)
iDate1998.7169 yr Date of observation in i band (Note 6)   (time.epoch)
i'mag22.105 mag [3/40] Model magnitude in i' filter (= imag) (Note 5)   (phot.mag;em.opt.I)
e_i'mag 0.228 mag Mean error on i'mag (= e_imag) (stat.error;phot.mag)
psfMag_i22.083 mag [3/34] PSF magnitude in i band (psfMag_i) (phot.mag;em.opt.I)
psfMagErr_i 0.202 mag Mean error on ipmag (psfMagErr_i) (stat.error;phot.mag)
petroMag_i21.484 mag [3/45] Petrosian magnitude in i band (petroMag_i) (phot.mag;em.opt.I)
petroMagErr_i 0.252 mag Mean error on iPmag (petroMagErr_i) (stat.error;phot.mag)
petroRad_i 2.041 arcsec Petrosian radius in i band (petroRad_i) (phys.angSize;src)
petroRadErr_i 1.969 arcsec Mean error in iPrad (petroRadErr_i) (stat.error)
offsetRa_i -0.03 arcsec Offset of i position along RA (offsetRa_i) (pos.angDistance)
offsetDec_i 0.04 arcsec Offset of i position along Dec (offsetDec_i) (pos.angDistance)
deVRad_i 1.368 arcsec de Vaucouleurs fit radius, i band (deVRad_i) (phys.angSize;src)
idVell 0.095 arcsec de Vaucouleurs fit ellipt, i band (1-deVAB_i) (src.ellipticity)
deVPhi_i168.2 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_z1  0=notStar, 1=Star in z band (probPSF_z) (src.class.starGalaxy)
type_z6  Phototype in z band, 6=Star (type_z) (Note 1)   (src.class.starGalaxy)
zDate1998.7169 yr Date of observation in z band (Note 6)   (time.epoch)
z'mag21.588 mag [3/38] Model magnitude in z filter (= zmag) (Note 5)   (phot.mag;em.opt.I)
e_z'mag 0.532 mag Mean error on z'mag (= e_zmag) (stat.error;phot.mag)
psfMag_z21.406 mag [3/32] PSF magnitude in z band (psfMag_z) (phot.mag;em.opt.I)
psfMagErr_z 0.456 mag Mean error on zpmag (psfMagErr_z) (stat.error;phot.mag)
petroMag_z22.044 mag [3/42] Petrosian magnitude in z band (petroMag_z) (phot.mag;em.opt.I)
petroMagErr_z 1.166 mag Mean error on zPmag (petroMagErr_z) (stat.error;phot.mag)
petroRad_z 0.704 arcsec Petrosian radius in z band (petroRad_z) (phys.angSize;src)
petroRadErr_z 1.532 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 0.04 arcsec Offset of z position along Dec (offsetDec_z) (pos.angDistance)
deVRad_z 0.457 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_z173.9 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)
_r0.758 arcsec Distance from center (007.074148-00.856242)[ICRS] (pos.angDistance)
_RAJ200000 28 17.80176 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000-00 51 23.2236 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195000 25 44.16905 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950-01 07 58.3404 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon110.03859627 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-63.14743904 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)

ra007.074174 deg (i) Right Ascension of the object (ICRS) (ra) (pos.eq.ra;meta.main)
dec-00.856451 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)
SDSS12J002817.80-005123.2  (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-ID