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VizieR

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V/147/sdss12 The SDSS Photometric Catalogue, Release 12 (Alam+, 2015)
Data Release 12 (469,053,874 primary sources plus 324,960,094 secondary sources); 3,538,079 spectroscopic targets (original column names in green) (794013968 rows)
  -c=303.390056 +08.226823, eq=ICRS, rs=2
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ColumnValue  Explain   (UCD)
_r0.000 arcsec Distance from center (303.390056+08.226823)[ICRS] (pos.angDistance)
_RAJ200020 13 33.61344 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+08 13 36.5628 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195020 11 07.84132 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+08 04 29.5395 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon050.05935143 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-14.10298083 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)

ra303.390056 deg (i) Right Ascension of the object (ICRS) (ra) (pos.eq.ra;meta.main)
dec+08.226823 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)
class6  Type of object (3=galaxy, 6=star) (Note 1)   (src.class)
SDSS12J201333.61+081336.5  (i) SDSS-DR12 name, based on J2000 position (meta.id)
m_SDSS12*   [*] The asterisk indicates that 2 different SDSS objects share the same SDSS12 name (meta.code.multip)

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

SDSS-ID4832-301-4-0362-1277  (i) [0-9 -] SDSS object identifier (Note 2)   (meta.id)
objID1237666228049937661  (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)
parentID1237666228049937660  Pointer to parent (if object deblended) (meta.id.parent)
flags 35255507619856  Photo Object Attribute flags (Note 3)   (meta.code.error)
Status 257  Hexadecimal status (Note 4)   (meta.code)
raErr 0.002 arcsec [0/51703] Mean error on RAdeg (raErr) (stat.error;pos.eq.ra)
decErr 0.002 arcsec [0/20301] Mean error on DEdeg (decErr) (stat.error;pos.eq.dec)
ObsDate2004.7098 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)
u18.301 mag (i) [4/38] Model magnitude in u filter, AB scale (u) (Note 5)   (phot.mag;em.opt.U)
err_u 0.017 mag Mean error on umag (err_u) (stat.error;phot.mag)
g16.770 mag (i) [5/40] Model magnitude in g filter, AB scale (g) (Note 5)   (phot.mag;em.opt.B)
err_g 0.004 mag Mean error on gmag (err_g) (stat.error;phot.mag)
r16.142 mag (i) [4/39] Model magnitude in r filter, AB scale (r) (Note 5)   (phot.mag;em.opt.R)
err_r 0.003 mag Mean error on rmag (err_r) (stat.error;phot.mag)
i15.902 mag (i) [3/40] Model magnitude in i filter, AB scale (i) (Note 5)   (phot.mag;em.opt.I)
err_i 0.004 mag Mean error on imag (err_i) (stat.error;phot.mag)
z15.781 mag (i) [3/38] Model magnitude in z filter, AB scale (z) (Note 5)   (phot.mag;em.opt.I)
err_z 0.007 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 268468240  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)
uDate2004.7098 yr Date of observation in u band (Note 6)   (time.epoch)
u'mag18.301 mag [4/38] Model magnitude in u' filter (= umag) (Note 5)   (phot.mag;em.opt.U)
e_u'mag 0.017 mag Mean error on u'mag (= e_umag) (stat.error;phot.mag)
psfMag_u18.306 mag [5/34] PSF magnitude in u band (psfMag_u) (phot.mag;em.opt.U)
psfMagErr_u 0.022 mag Mean error on upmag (psfMagErr_u) (stat.error;phot.mag)
petroMag_u18.326 mag [3/43] Petrosian magnitude in u band (petroMag_u) (phot.mag;em.opt.U)
petroMagErr_u 0.022 mag Mean error on uPmag (petroMagErr_u) (stat.error;phot.mag)
petroRad_u 2.066 arcsec [0/260] Petrosian radius in u band (petroRad_u) (phys.angSize;src)
petroRadErr_u 0.059 arcsec Mean error in uPrad (petroRadErr_u) (stat.error)
offsetRa_u 0.00 arcsec Offset of u position along RA (offsetRa_u) (pos.angDistance)
offsetDec_u 0.00 arcsec Offset of u position along Dec (offsetDec_u) (pos.angDistance)
deVRad_u 0.034 arcsec de Vaucouleurs fit radius, u band (deVRad_u) (phys.angSize;src)
udVell 0.249 arcsec de Vaucouleurs fit ellipt, u band (1-deVAB_u) (src.ellipticity)
deVPhi_u 37.8 deg Position angle of dVrad in u band (deVPhi_u) (pos.posAng)
flags_g 268603408  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)
gDate2004.7098 yr Date of observation in g band (Note 6)   (time.epoch)
g'mag16.770 mag [5/39] Model magnitude in g' filter (= gmag) (Note 5)   (phot.mag;em.opt.B)
e_g'mag 0.004 mag Mean error on g'mag (= e_gmag) (stat.error;phot.mag)
psfMag_g16.762 mag [5/37] PSF magnitude in g band (psfMag_g) (phot.mag;em.opt.B)
psfMagErr_g 0.022 mag Mean error on gpmag (psfMagErr_g) (stat.error;phot.mag)
petroMag_g16.799 mag [4/46] Petrosian magnitude in g band (petroMag_g) (phot.mag;em.opt.B)
petroMagErr_g 0.003 mag Mean error on gPmag (petroMagErr_g) (stat.error;phot.mag)
petroRad_g 1.803 arcsec Petrosian radius in g band (petroRad_g) (phys.angSize;src)
petroRadErr_g 0.010 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 -0.03 arcsec Offset of g position along Dec (offsetDec_g) (pos.angDistance)
deVRad_g 0.011 arcsec de Vaucouleurs fit radius, g band (deVRad_g) (phys.angSize;src)
gdVell 0.457 arcsec de Vaucouleurs fit ellipt, g band (1-deVAB_g) (src.ellipticity)
deVPhi_g 76.6 deg Position angle of dVrad in g band (deVPhi_g) (pos.posAng)
flags_r 4503599895838736  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)
rDate2004.7098 yr Date of observation in r band (Note 6)   (time.epoch)
r'mag16.142 mag [4/39] Model magnitude in r' filter (= rmag) (Note 5)   (phot.mag;em.opt.R)
e_r'mag 0.003 mag Mean error on r'mag (= e_rmag) (stat.error;phot.mag)
psfMag_r16.167 mag [4/33] PSF magnitude in r band (psfMag_r) (phot.mag;em.opt.R)
psfMagErr_r 0.006 mag Mean error on rpmag (psfMagErr_r) (stat.error;phot.mag)
petroMag_r16.178 mag [4/43] Petrosian magnitude in r band (petroMag_r) (phot.mag;em.opt.R)
petroMagErr_r 0.003 mag Mean error on rPmag (petroMagErr_r) (stat.error;phot.mag)
petroRad_r 1.905 arcsec Petrosian radius in r band (petroRad_r) (phys.angSize;src)
petroRadErr_r 0.009 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 0.125 arcsec de Vaucouleurs fit radius, r band (deVRad_r) (phys.angSize;src)
rdVell 0.391 arcsec de Vaucouleurs fit ellipt, r band (1-deVAB_r) (src.ellipticity)
deVPhi_r 41.0 deg Position angle of dVrad in r band (deVPhi_r) (pos.posAng)
flags_i 268468240  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)
iDate2004.7098 yr Date of observation in i band (Note 6)   (time.epoch)
i'mag15.902 mag [3/40] Model magnitude in i' filter (= imag) (Note 5)   (phot.mag;em.opt.I)
e_i'mag 0.004 mag Mean error on i'mag (= e_imag) (stat.error;phot.mag)
psfMag_i15.908 mag [3/34] PSF magnitude in i band (psfMag_i) (phot.mag;em.opt.I)
psfMagErr_i 0.005 mag Mean error on ipmag (psfMagErr_i) (stat.error;phot.mag)
petroMag_i15.926 mag [3/45] Petrosian magnitude in i band (petroMag_i) (phot.mag;em.opt.I)
petroMagErr_i 0.003 mag Mean error on iPmag (petroMagErr_i) (stat.error;phot.mag)
petroRad_i 1.530 arcsec Petrosian radius in i band (petroRad_i) (phys.angSize;src)
petroRadErr_i 0.005 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 -0.03 arcsec Offset of i position along Dec (offsetDec_i) (pos.angDistance)
deVRad_i 0.063 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_i190.0 deg Position angle of dVrad in i band (deVPhi_i) (pos.posAng)
flags_z 268603408  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)
zDate2004.7098 yr Date of observation in z band (Note 6)   (time.epoch)
z'mag15.781 mag [3/38] Model magnitude in z filter (= zmag) (Note 5)   (phot.mag;em.opt.I)
e_z'mag 0.007 mag Mean error on z'mag (= e_zmag) (stat.error;phot.mag)
psfMag_z15.818 mag [3/32] PSF magnitude in z band (psfMag_z) (phot.mag;em.opt.I)
psfMagErr_z 0.017 mag Mean error on zpmag (psfMagErr_z) (stat.error;phot.mag)
petroMag_z15.804 mag [3/42] Petrosian magnitude in z band (petroMag_z) (phot.mag;em.opt.I)
petroMagErr_z 0.009 mag Mean error on zPmag (petroMagErr_z) (stat.error;phot.mag)
petroRad_z 1.724 arcsec Petrosian radius in z band (petroRad_z) (phys.angSize;src)
petroRadErr_z 0.020 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 -0.05 arcsec Offset of z position along Dec (offsetDec_z) (pos.angDistance)
deVRad_z 0.125 arcsec de Vaucouleurs fit radius, z band (deVRad_z) (phys.angSize;src)
zdVell 0.634 arcsec de Vaucouleurs fit ellipt, z band (1-deVAB_z) (src.ellipticity)
deVPhi_z132.5 deg Position angle of dVrad in z band (deVPhi_z) (pos.posAng)
pmRa 2.3 mas/yr [-6121/4129] Proper motion along Right Ascension (pmRa) (Note 8)   (pos.pm;pos.eq.ra)
pmRaErr 2.5 mas/yr Mean error on pmRA (pmRaErr) (Note 8)   (stat.error;pos.pm;pos.eq.ra)
pmDec -12.5 mas/yr [-4846/4437] Proper motion along Declination (pmDec) (Note 8)   (pos.pm;pos.eq.dec)
pmDecErr 2.5 mas/yr Mean error on pmDE (pmDecErr) (Note 8)   (stat.error;pos.pm;pos.eq.dec)
sigRA 111.67 mas [0/8662] RMS residual of proper motion fit in RA (Note 8)   (stat.fit.residual)
sigDE117.26 mas [0/10625] RMS residual of proper motion fit in Dec (Note 8)   (stat.fit.residual)
match 1   [1/4] Number of USNO-B objects matched within 1arcsec (match) (Note 8)   (meta.number)
nFit 6   [4/6] Number of detections used in the pm fit, including SDSS (nFit) (Note 8)   (meta.number)
g(O)16.7   Magnitude from O plate recalibrated to g (Note 8)   (phot.mag;em.opt.B)
r(E)16.1   Magnitude from E plate recalibrated to r (Note 8)   (phot.mag;em.opt.R)
g(J)16.8   Magnitude from J plate recalibrated to g (Note 8)   (phot.mag;em.opt.B)
r(F)16.3   Magnitude from F plate recalibrated to r (Note 8)   (phot.mag;em.opt.R)
i(N)15.7   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)
  
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