VizieR

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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=223.631183 +18.642362, eq=ICRS, rs=2
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Note:

ColumnValue  Explain   (UCD)
_r0.000 arcsec Distance from center (223.631183+18.642362)[ICRS] (pos.angDistance)
_RAJ200014 54 31.48392 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+18 38 32.5032 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195014 52 13.26260 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+18 50 41.1198 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon022.78773442 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+60.49670244 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)

ra223.631183 deg (i) Right Ascension of the object (ICRS) (ra) (pos.eq.ra;meta.main)
dec+18.642362 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)
SDSS12J145431.48+183832.5  (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-ID5183-301-5-0591-0087  (i) [0-9 -] SDSS object identifier (Note 2)   (meta.id)
objID1237667736135336023  (i) SDSS unique object identifier (2) (links to SDSS-DR12 details) (Note)   (meta.id;meta.main)
Sp-ID 2791-54556-0292  (i) Spectroscopic Plate-MJD-Fiber identifier (7) (Note)   (meta.id)
SpObjID3142466980783613952  Pointer to the spectrum of object, or 0 (Note 7)   (meta.id)
parentID1237667736135336017  Pointer to parent (if object deblended) (meta.id.parent)
flags 35253361446928  Photo Object Attribute flags (Note 3)   (meta.code.error)
Status 257  Hexadecimal status (Note 4)   (meta.code)
raErr 0.117 arcsec [0/51703] Mean error on RAdeg (raErr) (stat.error;pos.eq.ra)
decErr 0.140 arcsec [0/20301] Mean error on DEdeg (decErr) (stat.error;pos.eq.dec)
ObsDate2005.1896 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)
u16.803 mag (i) [4/38] Model magnitude in u filter, AB scale (u) (Note 5)   (phot.mag;em.opt.U)
err_u 0.024 mag Mean error on umag (err_u) (stat.error;phot.mag)
g14.575 mag (i) [5/40] Model magnitude in g filter, AB scale (g) (Note 5)   (phot.mag;em.opt.B)
err_g 0.003 mag Mean error on gmag (err_g) (stat.error;phot.mag)
r13.698 mag (i) [4/39] Model magnitude in r filter, AB scale (r) (Note 5)   (phot.mag;em.opt.R)
err_r 0.002 mag Mean error on rmag (err_r) (stat.error;phot.mag)
i13.297 mag (i) [3/40] Model magnitude in i filter, AB scale (i) (Note 5)   (phot.mag;em.opt.I)
err_i 0.002 mag Mean error on imag (err_i) (stat.error;phot.mag)
z13.051 mag (i) [3/38] Model magnitude in z filter, AB scale (z) (Note 5)   (phot.mag;em.opt.I)
err_z 0.004 mag Mean error on zmag (err_z) (stat.error;phot.mag)
zsp 0.05921  (i) [-0.02/7.1] Spectroscopic redshift (when SpObjID>0) (Note 7)   (src.redshift)
e_zsp 0.00002   Mean error on zsp (negative for bad fit) (Note 7)   (stat.error)
f_zsp 0   [0/196] "zwarning" flag (Note 9)   (meta.code)
velDisp231.551987 km/s [0/850] Velocity dispersion (velDisp) (phys.veloc.dispersion)
velDispErr 8.604 km/s Mean error on Vdisp (velDispErr) (stat.error)
instrumentSDSS   Spectral instrument used (SDSS or BOSS) (instrument) (meta.id;instr)
sourceTypeGALAXY   Source type (sourceType) (10) (list of types) (Note)   (src.class)
spClGALAXY   Spectroscopic class: GALAXY, QSO, STAR (meta.code.class;pos.parallax.spect)
subClassAGN   Spectroscopic subclass (subClass) (Note 11)   (src.spType)
snMedian 25.25   [0/132] Median signal-to-noise over all good pixels (snMedian) (em.wl.central;stat.median)
flags_u 275146506256  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)
uDate2005.1896 yr Date of observation in u band (Note 6)   (time.epoch)
u'mag16.803 mag [4/38] Model magnitude in u' filter (= umag) (Note 5)   (phot.mag;em.opt.U)
e_u'mag 0.024 mag Mean error on u'mag (= e_umag) (stat.error;phot.mag)
psfMag_u20.669 mag [5/34] PSF magnitude in u band (psfMag_u) (phot.mag;em.opt.U)
psfMagErr_u 0.060 mag Mean error on upmag (psfMagErr_u) (stat.error;phot.mag)
petroMag_u17.943 mag [3/43] Petrosian magnitude in u band (petroMag_u) (phot.mag;em.opt.U)
petroMagErr_u 0.197 mag Mean error on uPmag (petroMagErr_u) (stat.error;phot.mag)
petroRad_u 11.903 arcsec [0/260] Petrosian radius in u band (petroRad_u) (phys.angSize;src)
petroRadErr_u 0.823 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 13.844 arcsec de Vaucouleurs fit radius, u band (deVRad_u) (phys.angSize;src)
udVell 0.739 arcsec de Vaucouleurs fit ellipt, u band (1-deVAB_u) (src.ellipticity)
deVPhi_u193.5 deg Position angle of dVrad in u band (deVPhi_u) (pos.posAng)
flags_g 2252074961506320  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)
gDate2005.1896 yr Date of observation in g band (Note 6)   (time.epoch)
g'mag14.575 mag [5/39] Model magnitude in g' filter (= gmag) (Note 5)   (phot.mag;em.opt.B)
e_g'mag 0.003 mag Mean error on g'mag (= e_gmag) (stat.error;phot.mag)
psfMag_g18.660 mag [5/37] PSF magnitude in g band (psfMag_g) (phot.mag;em.opt.B)
psfMagErr_g 0.038 mag Mean error on gpmag (psfMagErr_g) (stat.error;phot.mag)
petroMag_g14.824 mag [4/46] Petrosian magnitude in g band (petroMag_g) (phot.mag;em.opt.B)
petroMagErr_g 0.051 mag Mean error on gPmag (petroMagErr_g) (stat.error;phot.mag)
petroRad_g 28.070 arcsec Petrosian radius in g band (petroRad_g) (phys.angSize;src)
petroRadErr_g 1.345 arcsec Mean error in gPrad (petroRadErr_g) (stat.error)
offsetRa_g 0.09 arcsec Offset of g position along RA (offsetRa_g) (pos.angDistance)
offsetDec_g -0.18 arcsec Offset of g position along Dec (offsetDec_g) (pos.angDistance)
deVRad_g 25.035 arcsec de Vaucouleurs fit radius, g band (deVRad_g) (phys.angSize;src)
gdVell 0.682 arcsec de Vaucouleurs fit ellipt, g band (1-deVAB_g) (src.ellipticity)
deVPhi_g187.8 deg Position angle of dVrad in g band (deVPhi_g) (pos.posAng)
flags_r 6755674588876816  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)
rDate2005.1896 yr Date of observation in r band (Note 6)   (time.epoch)
r'mag13.698 mag [4/39] Model magnitude in r' filter (= rmag) (Note 5)   (phot.mag;em.opt.R)
e_r'mag 0.002 mag Mean error on r'mag (= e_rmag) (stat.error;phot.mag)
psfMag_r17.904 mag [4/33] PSF magnitude in r band (psfMag_r) (phot.mag;em.opt.R)
psfMagErr_r 0.020 mag Mean error on rpmag (psfMagErr_r) (stat.error;phot.mag)
petroMag_r13.977 mag [4/43] Petrosian magnitude in r band (petroMag_r) (phot.mag;em.opt.R)
petroMagErr_r 0.025 mag Mean error on rPmag (petroMagErr_r) (stat.error;phot.mag)
petroRad_r 27.156 arcsec Petrosian radius in r band (petroRad_r) (phys.angSize;src)
petroRadErr_r 1.108 arcsec Mean error in rPrad (petroRadErr_r) (stat.error)
offsetRa_r 0.10 arcsec Offset of r position along RA (offsetRa_r) (pos.angDistance)
offsetDec_r -0.16 arcsec Offset of r position along Dec (offsetDec_r) (pos.angDistance)
deVRad_r 22.838 arcsec de Vaucouleurs fit radius, r band (deVRad_r) (phys.angSize;src)
rdVell 0.687 arcsec de Vaucouleurs fit ellipt, r band (1-deVAB_r) (src.ellipticity)
deVPhi_r187.6 deg Position angle of dVrad in r band (deVPhi_r) (pos.posAng)
flags_i 2252074978283536  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)
iDate2005.1896 yr Date of observation in i band (Note 6)   (time.epoch)
i'mag13.297 mag [3/40] Model magnitude in i' filter (= imag) (Note 5)   (phot.mag;em.opt.I)
e_i'mag 0.002 mag Mean error on i'mag (= e_imag) (stat.error;phot.mag)
psfMag_i17.520 mag [3/34] PSF magnitude in i band (psfMag_i) (phot.mag;em.opt.I)
psfMagErr_i 0.032 mag Mean error on ipmag (psfMagErr_i) (stat.error;phot.mag)
petroMag_i13.582 mag [3/45] Petrosian magnitude in i band (petroMag_i) (phot.mag;em.opt.I)
petroMagErr_i 0.044 mag Mean error on iPmag (petroMagErr_i) (stat.error;phot.mag)
petroRad_i 26.558 arcsec Petrosian radius in i band (petroRad_i) (phys.angSize;src)
petroRadErr_i 1.451 arcsec Mean error in iPrad (petroRadErr_i) (stat.error)
offsetRa_i 0.08 arcsec Offset of i position along RA (offsetRa_i) (pos.angDistance)
offsetDec_i -0.17 arcsec Offset of i position along Dec (offsetDec_i) (pos.angDistance)
deVRad_i 21.421 arcsec de Vaucouleurs fit radius, i band (deVRad_i) (phys.angSize;src)
idVell 0.692 arcsec de Vaucouleurs fit ellipt, i band (1-deVAB_i) (src.ellipticity)
deVPhi_i187.4 deg Position angle of dVrad in i band (deVPhi_i) (pos.posAng)
flags_z 275146772496  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)
zDate2005.1896 yr Date of observation in z band (Note 6)   (time.epoch)
z'mag13.051 mag [3/38] Model magnitude in z filter (= zmag) (Note 5)   (phot.mag;em.opt.I)
e_z'mag 0.004 mag Mean error on z'mag (= e_zmag) (stat.error;phot.mag)
psfMag_z17.000 mag [3/32] PSF magnitude in z band (psfMag_z) (phot.mag;em.opt.I)
psfMagErr_z 0.088 mag Mean error on zpmag (psfMagErr_z) (stat.error;phot.mag)
petroMag_z13.542 mag [3/42] Petrosian magnitude in z band (petroMag_z) (phot.mag;em.opt.I)
petroMagErr_z 0.193 mag Mean error on zPmag (petroMagErr_z) (stat.error;phot.mag)
petroRad_z 21.885 arcsec Petrosian radius in z band (petroRad_z) (phys.angSize;src)
petroRadErr_z 0.786 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 -0.22 arcsec Offset of z position along Dec (offsetDec_z) (pos.angDistance)
deVRad_z 17.759 arcsec de Vaucouleurs fit radius, z band (deVRad_z) (phys.angSize;src)
zdVell 0.730 arcsec de Vaucouleurs fit ellipt, z band (1-deVAB_z) (src.ellipticity)
deVPhi_z190.7 deg Position angle of dVrad in z band (deVPhi_z) (pos.posAng)
pmRa -2.8 mas/yr [-6121/4129] Proper motion along Right Ascension (pmRa) (Note 8)   (pos.pm;pos.eq.ra)
pmRaErr 3.7 mas/yr Mean error on pmRA (pmRaErr) (Note 8)   (stat.error;pos.pm;pos.eq.ra)
pmDec 2.3 mas/yr [-4846/4437] Proper motion along Declination (pmDec) (Note 8)   (pos.pm;pos.eq.dec)
pmDecErr 3.7 mas/yr Mean error on pmDE (pmDecErr) (Note 8)   (stat.error;pos.pm;pos.eq.dec)
sigRA 180.47 mas [0/8662] RMS residual of proper motion fit in RA (Note 8)   (stat.fit.residual)
sigDE185.42 mas [0/10625] RMS residual of proper motion fit in Dec (Note 8)   (stat.fit.residual)
match 2   [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)12.4   Magnitude from O plate recalibrated to g (Note 8)   (phot.mag;em.opt.B)
r(E)10.5   Magnitude from E plate recalibrated to r (Note 8)   (phot.mag;em.opt.R)
g(J)10.0   Magnitude from J plate recalibrated to g (Note 8)   (phot.mag;em.opt.B)
r(F)10.9   Magnitude from F plate recalibrated to r (Note 8)   (phot.mag;em.opt.R)
i(N)11.1   Magnitude from N plate recalibrated to i (Note 8)   (phot.mag;em.opt.I)
zph 0.0375  (i) [-9999/] Photometric redshift; estimated by robust fit to nearest neighbors in a reference set (Note 12)   (src.redshift)
zErr 0.0087   [-9999/] Estimated error of the photometric redshift (zErr) (Note 12)   (stat.error)
nnAvgZ 0.0338   [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 90.202   Chi-square value for the minimum chi-square template fit (chisq_zph) (stat.value)
absMagU -19.130 mag [-644/4] rest frame u' absolute magnitude (absMagU) (phys.magAbs)
absMagG -21.685 mag [-472/3] rest frame g' absolute magnitude (absMagG) (phys.magAbs)
absMagR -22.408 mag [-351/3] rest frame r' absolute magnitude (absMagR) (phys.magAbs)
absMagI -22.769 mag [-271/7] rest frame i' absolute magnitude (absMagI) (phys.magAbs)
absMagZ -22.874 mag [-199/3] rest frame z' absolute magnitude (absMagZ) (phys.magAbs)
  
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