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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) (324960094 rows)
  -c=185.590053 +25.718486, eq=ICRS, rs=2
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ColumnValue  Explain   (UCD)
_r0.000 arcsec Distance from center (185.590053+25.718486)[ICRS] (pos.angDistance)
_RAJ200012 22 21.61272 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+25 43 06.5496 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195012 19 50.82520 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+25 59 44.1650 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon223.51535987 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+83.34023602 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)

ra185.590053 deg (i) Right Ascension of the object (ICRS) (ra) (pos.eq.ra;meta.main)
dec+25.718486 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)
SDSS12J122221.61+254306.5  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-ID5116-301-5-0105-0439   [0-9 -] SDSS object identifier (Note 2)   (meta.id)
objID1237667448340677047  (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 140737756922368  Photo Object Attribute flags (Note 3)   (meta.code.error)
Status 257  Hexadecimal status (Note 4)   (meta.code)
raErr 0.059 arcsec [0/51703] Mean error on RAdeg (raErr) (stat.error;pos.eq.ra)
decErr 0.055 arcsec [0/20301] Mean error on DEdeg (decErr) (stat.error;pos.eq.dec)
ObsDate2005.0500 yr Mean Observation date (Note 6)   (time.epoch;obs;stat.mean)
Q3   [1/3] Quality of the observation: 1=bad 2=acceptable 3=good (meta.code.qual;obs.param;obs)
u21.758 mag (i) [4/38] Model magnitude in u filter, AB scale (u) (Note 5)   (phot.mag;em.opt.U)
err_u 0.146 mag Mean error on umag (err_u) (stat.error;phot.mag;em.opt.U)
g21.768 mag (i) [5/40] Model magnitude in g filter, AB scale (g) (Note 5)   (phot.mag;em.opt.B)
err_g 0.073 mag Mean error on gmag (err_g) (stat.error;phot.mag;em.opt.B)
r21.187 mag (i) [4/39] Model magnitude in r filter, AB scale (r) (Note 5)   (phot.mag;em.opt.R)
err_r 0.063 mag Mean error on rmag (err_r) (stat.error;phot.mag;em.opt.R)
i21.087 mag (i) [3/40] Model magnitude in i filter, AB scale (i) (Note 5)   (phot.mag;em.opt.I)
err_i 0.097 mag Mean error on imag (err_i) (stat.error;phot.mag;em.opt.I)
z20.786 mag (i) [3/38] Model magnitude in z filter, AB scale (z) (Note 5)   (phot.mag;em.opt.I)
err_z 0.265 mag Mean error on zmag (err_z) (stat.error;phot.mag;em.opt.I)
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 275288981504  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)
uDate2005.0500 yr Date of observation in u band (Note 6)   (time.epoch)
u'mag21.758 mag [4/38] Model magnitude in u' filter (= umag) (Note 5)   (phot.mag;em.opt.U)
e_u'mag 0.146 mag Mean error on u'mag (= e_umag) (stat.error;phot.mag)
psfMag_u22.175 mag [5/34] PSF magnitude in u band (psfMag_u) (phot.mag;em.opt.U)
psfMagErr_u 0.146 mag Mean error on upmag (psfMagErr_u) (stat.error;phot.mag)
petroMag_u21.670 mag [3/43] Petrosian magnitude in u band (petroMag_u) (phot.mag;em.opt.U)
petroMagErr_u 0.322 mag Mean error on uPmag (petroMagErr_u) (stat.error;phot.mag)
petroRad_u 1.856 arcsec [0/260] Petrosian radius in u band (petroRad_u) (phys.angSize;src)
petroRadErr_u 0.410 arcsec Mean error in uPrad (petroRadErr_u) (stat.error)
offsetRa_u -0.13 arcsec Offset of u position along RA (offsetRa_u) (pos.angDistance)
offsetDec_u 0.15 arcsec Offset of u position along Dec (offsetDec_u) (pos.angDistance)
deVRad_u 0.863 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_u146.6 deg Position angle of dVrad in u band (deVPhi_u) (pos.posAng)
flags_g 275146342400  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)
gDate2005.0500 yr Date of observation in g band (Note 6)   (time.epoch)
g'mag21.768 mag [5/39] Model magnitude in g' filter (= gmag) (Note 5)   (phot.mag;em.opt.B)
e_g'mag 0.073 mag Mean error on g'mag (= e_gmag) (stat.error;phot.mag;em.opt.B)
psfMag_g22.235 mag [5/37] PSF magnitude in g band (psfMag_g) (phot.mag;em.opt.B)
psfMagErr_g 0.075 mag Mean error on gpmag (psfMagErr_g) (stat.error;phot.mag)
petroMag_g21.797 mag [4/46] Petrosian magnitude in g band (petroMag_g) (phot.mag;em.opt.B)
petroMagErr_g 0.169 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 0.291 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 -0.31 arcsec Offset of g position along Dec (offsetDec_g) (pos.angDistance)
deVRad_g 0.908 arcsec de Vaucouleurs fit radius, g band (deVRad_g) (phys.angSize;src)
gdVell 0.300 arcsec de Vaucouleurs fit ellipt, g band (1-deVAB_g) (src.ellipticity)
deVPhi_g134.6 deg Position angle of dVrad in g band (deVPhi_g) (pos.posAng)
flags_r 4503874773712896  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)
rDate2005.0499 yr Date of observation in r band (Note 6)   (time.epoch)
r'mag21.187 mag [4/39] Model magnitude in r' filter (= rmag) (Note 5)   (phot.mag;em.opt.R)
e_r'mag 0.063 mag Mean error on r'mag (= e_rmag) (stat.error;phot.mag;em.opt.R)
psfMag_r21.811 mag [4/33] PSF magnitude in r band (psfMag_r) (phot.mag;em.opt.R)
psfMagErr_r 0.070 mag Mean error on rpmag (psfMagErr_r) (stat.error;phot.mag)
petroMag_r21.292 mag [4/43] Petrosian magnitude in r band (petroMag_r) (phot.mag;em.opt.R)
petroMagErr_r 0.214 mag Mean error on rPmag (petroMagErr_r) (stat.error;phot.mag)
petroRad_r 1.986 arcsec Petrosian radius in r band (petroRad_r) (phys.angSize;src)
petroRadErr_r 0.297 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 0.930 arcsec de Vaucouleurs fit radius, r band (deVRad_r) (phys.angSize;src)
rdVell 0.260 arcsec de Vaucouleurs fit ellipt, r band (1-deVAB_r) (src.ellipticity)
deVPhi_r126.1 deg Position angle of dVrad in r band (deVPhi_r) (pos.posAng)
flags_i 275280593408  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)
iDate2005.0500 yr Date of observation in i band (Note 6)   (time.epoch)
i'mag21.087 mag [3/40] Model magnitude in i' filter (= imag) (Note 5)   (phot.mag;em.opt.I)
e_i'mag 0.097 mag Mean error on i'mag (= e_imag) (stat.error;phot.mag;em.opt.I)
psfMag_i21.649 mag [3/34] PSF magnitude in i band (psfMag_i) (phot.mag;em.opt.I)
psfMagErr_i 0.100 mag Mean error on ipmag (psfMagErr_i) (stat.error;phot.mag)
petroMag_i20.996 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 3.241 arcsec Petrosian radius in i band (petroRad_i) (phys.angSize;src)
petroRadErr_i 2.052 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 0.03 arcsec Offset of i position along Dec (offsetDec_i) (pos.angDistance)
deVRad_i 0.755 arcsec de Vaucouleurs fit radius, i band (deVRad_i) (phys.angSize;src)
idVell 0.104 arcsec de Vaucouleurs fit ellipt, i band (1-deVAB_i) (src.ellipticity)
deVPhi_i128.5 deg Position angle of dVrad in i band (deVPhi_i) (pos.posAng)
flags_z 9147936877445121  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)
zDate2005.0500 yr Date of observation in z band (Note 6)   (time.epoch)
z'mag20.786 mag [3/38] Model magnitude in z filter (= zmag) (Note 5)   (phot.mag;em.opt.I)
e_z'mag 0.265 mag Mean error on z'mag (= e_zmag) (stat.error;phot.mag;em.opt.I)
psfMag_z21.252 mag [3/32] PSF magnitude in z band (psfMag_z) (phot.mag;em.opt.I)
psfMagErr_z 0.442 mag Mean error on zpmag (psfMagErr_z) (stat.error;phot.mag)
petroMag_z20.851 mag [3/42] Petrosian magnitude in z band (petroMag_z) (phot.mag;em.opt.I)
petroMagErr_z 0.747 mag Mean error on zPmag (petroMagErr_z) (stat.error;phot.mag)
petroRad_z 1.032 arcsec Petrosian radius in z band (petroRad_z) (phys.angSize;src)
petroRadErr_z 0.583 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 0.02 arcsec Offset of z position along Dec (offsetDec_z) (pos.angDistance)
deVRad_z 0.152 arcsec de Vaucouleurs fit radius, z band (deVRad_z) (phys.angSize;src)
zdVell 0.848 arcsec de Vaucouleurs fit ellipt, z band (1-deVAB_z) (src.ellipticity)
deVPhi_z102.5 deg Position angle of dVrad in z band (deVPhi_z) (pos.posAng)
pmRa  mas/yr [-6121/4129] Proper motion along Right Ascension (pmRa) (Note 8)   (pos.pm;pos.eq.ra)
pmRaErr  mas/yr Mean error on pmRA (pmRaErr) (Note 8)   (stat.error;pos.pm;pos.eq.ra)
pmDec  mas/yr [-4846/4437] Proper motion along Declination (pmDec) (Note 8)   (pos.pm;pos.eq.dec)
pmDecErr  mas/yr Mean error on pmDE (pmDecErr) (Note 8)   (stat.error;pos.pm;pos.eq.dec)
sigRA  mas [0/8662] RMS residual of proper motion fit in RA (Note 8)   (stat.fit.residual)
sigDE  mas [0/10625] RMS residual of proper motion fit in Dec (Note 8)   (stat.fit.residual)
match    [1/4] Number of USNO-B objects matched within 1arcsec (match) (Note 8)   (meta.number)
nFit    [4/6] Number of detections used in the pm fit, including SDSS (nFit) (Note 8)   (meta.number)
g(O)    Magnitude from O plate recalibrated to g (Note 8)   (phot.mag;em.opt.B)
r(E)    Magnitude from E plate recalibrated to r (Note 8)   (phot.mag;em.opt.R)
g(J)    Magnitude from J plate recalibrated to g (Note 8)   (phot.mag;em.opt.B)
r(F)    Magnitude from F plate recalibrated to r (Note 8)   (phot.mag;em.opt.R)
i(N)    Magnitude from N plate recalibrated to i (Note 8)   (phot.mag;em.opt.I)
zph 0.4402  (i) [-9999/] Photometric redshift; estimated by robust fit to nearest neighbors in a reference set (Note 12)   (src.redshift)
zErr 0.1347   [-9999/] Estimated error of the photometric redshift (zErr) (Note 12)   (stat.error)
nnAvgZ 0.3931   [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 0.919   Chi-square value for the minimum chi-square template fit (chisq_zph) (stat.value)
absMagU -19.624 mag [-644/4] rest frame u' absolute magnitude (absMagU) (phys.magAbs)
absMagG -20.138 mag [-472/3] rest frame g' absolute magnitude (absMagG) (phys.magAbs)
absMagR -20.351 mag [-351/3] rest frame r' absolute magnitude (absMagR) (phys.magAbs)
absMagI -20.250 mag [-271/7] rest frame i' absolute magnitude (absMagI) (phys.magAbs)
absMagZ -20.334 mag [-199/3] rest frame z' absolute magnitude (absMagZ) (phys.magAbs)
  
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