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VizieR

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II/294/sdss7 The SDSS Photometric Catalog, Release 7 (Adelman-McCarthy+, 2009)
Data Release 7 (357,175,411 primary sources, plus 65,714,108 secondary sources) (65714108 rows)
  SDSS===J023138.70+225509.2
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Note: SDSS is also available from http://www.sdss.org/

ColumnValue  Explain   (UCD)
_RAJ200002 31 38.70696 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+22 55 09.2388 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195002 28 47.83116 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+22 41 54.7798 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon151.14166284 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-34.40485552 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)

mode1   [1,2] 1: primary (357,175,411 sources), 2: secondary (65,058,969 sources). (meta.code.class)
q_mode    [+] '+' indicates clean photometry (105,969,748 sources with mode 1+) (meta.code.qual;instr.setup)
cl3  Type (class) of the object (type) (Note 1)   (src.class)
SDSSJ023138.70+225509.2  (i) Recommended SDSS name, based on J2000 position (meta.id)
m_SDSS    [*] The asterisk indicates that 2 different SDSS objects share the same SDSS name (meta.code.multip)
R7   [3457] Release inclusion (blank for new, 3,4,5 when already included in DR3/4/5) (meta.note)
SDSS-ID5934.1.087.0168   [ 0-9.] SDSS object identifier (Note 2)   (meta.id)
objID758882024090435752  SDSS unique object identifier (2) (links to SDSS details) (Note)   (meta.id;meta.main)
SpObjID 0  Pointer to the spectrum of object, or 0 (7) (Note)   (meta.id)
parentID758882024090435742  Pointer to parent (if object deblended) (meta.id.parent)
rerun648   [40,651] Re-run number (Note 2)   (meta.code)
flags 601012021010  Photo Object Attribute flags (Note 3)   (meta.code.error)
Status00002673   [0-9A-F] Hexadecimal status (Note 4)   (meta.code)
e_RA_ICRS 0.127 arcsec Mean error on RAdeg (raErr) (stat.error;pos.eq.ra)
e_DE_ICRS 0.127 arcsec Mean error on DEdeg (decErr) (stat.error;pos.eq.dec)
ccPos 0.00  Correlation between eRAdeg/eDEdeg (raDecCorr) (stat.correlation)
zsp    Spectroscopic redshift (when SpObjID>0) (Note 7)   (src.redshift)
e_zsp    Mean error on zsp (Note 7)   (stat.error)
umag23.871 mag (i) Model magnitude in u filter (u) (Note 5)   (phot.mag;em.opt.U)
e_umag 0.918 mag Mean error on umag (err_u) (stat.error;phot.mag;em.opt.U)
gmag23.413 mag (i) Model magnitude in g filter (g) (Note 5)   (phot.mag;em.opt.B)
e_gmag 0.343 mag Mean error on gmag (err_g) (stat.error;phot.mag;em.opt.B)
rmag22.042 mag (i) Model magnitude in r filter (r) (Note 5)   (phot.mag;em.opt.R)
e_rmag 0.133 mag Mean error on rmag (err_r) (stat.error;phot.mag;em.opt.R)
imag21.627 mag (i) Model magnitude in i filter (i) (Note 5)   (phot.mag;em.opt.I)
e_imag 0.132 mag Mean error on imag (err_i) (stat.error;phot.mag;em.opt.I)
zmag20.720 mag (i) Model magnitude in z filter (z) (Note 5)   (phot.mag;em.opt.I)
e_zmag 0.195 mag Mean error on zmag (err_z) (stat.error;phot.mag;em.opt.I)
uFlags 2040001A000011  Detection flags, u band (flags_u) (Note 3)   (meta.code)
us0   [0,2] 0=notStar, 1=Star in u band (probPSF_u) (src.class.starGalaxy)
uc3   [0,9] Phototype in u band, 6=Star (type_u) (Note 1)   (src.class.starGalaxy)
uDate2005.9310 yr Date of observation in u band (Note 6)   (time.epoch)
u'mag23.871 mag Model magnitude in u filter (= umag) (Note 5)   (phot.mag;em.opt.U)
e_u'mag 0.918 mag Mean error on u'mag (= e_umag) (stat.error;phot.mag)
upmag23.592 mag PSF magnitude in u band (psfMag_u) (phot.mag;em.opt.U)
e_upmag 0.679 mag Mean error on upmag (psfMagErr_u) (stat.error;phot.mag)
uPmag22.438 mag Petrosian magnitude in u band (petroMag_u) (phot.mag;em.opt.U)
e_uPmag 1.404 mag Mean error on uPmag (petroMagErr_u) (stat.error;phot.mag)
uPrad 0.57 arcsec Petrosian radius in u band (petroRad_u) (phys.angSize;src)
e_uPrad 1.97 arcsec Mean error in uPrad (petroRadErr_u) (stat.error)
uoRA 0.17 arcsec Offset of u position along RA (offsetRa_u) (pos.angDistance)
uoDE 0.05 arcsec Offset of u position along Dec (offsetDec_u) (pos.angDistance)
uisoA  arcsec Isophotal major diameter in u band (isoA_u) (phys.angSize;em.opt.U)
uisoB  arcsec Isophotal minor diameter in u band (isoB_u) (phys.angSize;em.opt.U)
uPA  deg Position angle of uisoA in u band (isoPhi_u) (pos.posAng)
gFlags A021011  Detection flags, g band (flags_g) (Note 3)   (meta.code)
gs0   [0,2] 0=notStar, 1=Star in g band (probPSF_g) (src.class.starGalaxy)
gc3   [0,9] Phototype in g band, 6=Star (type_g) (Note 1)   (src.class.starGalaxy)
gDate2005.9310 yr Date of observation in g band (Note 6)   (time.epoch)
g'mag23.413 mag Model magnitude in g filter (= gmag) (Note 5)   (phot.mag;em.opt.B)
e_g'mag 0.343 mag Mean error on g'mag (= e_gmag) (stat.error;phot.mag;em.opt.B)
gpmag23.563 mag PSF magnitude in g band (psfMag_g) (phot.mag;em.opt.B)
e_gpmag 0.565 mag Mean error on gpmag (psfMagErr_g) (stat.error;phot.mag)
gPmag23.507 mag Petrosian magnitude in g band (petroMag_g) (phot.mag;em.opt.B)
e_gPmag 1.134 mag Mean error on gPmag (petroMagErr_g) (stat.error;phot.mag)
gPrad 1.31 arcsec Petrosian radius in g band (petroMagErr_g) (phys.angSize;src)
e_gPrad 1.25 arcsec Mean error in gPrad (petroMagErr_g) (stat.error)
goRA 0.02 arcsec Offset of g position along RA (offsetRa_g) (pos.angDistance)
goDE 0.10 arcsec Offset of g position along Dec (offsetDec_g) (pos.angDistance)
gisoA  arcsec Isophotal major diameter in g band (isoA_g) (phys.angSize)
gisoB  arcsec Isophotal minor diameter in g band (isoB_g) (phys.angSize)
gPA  deg Position angle of gisoA in g band (isoPhi_g) (pos.posAng)
rFlags 10000012020010  Detection flags, r band (flags_r) (Note 3)   (meta.code)
rs1   [0,2] 0=notStar, 1=Star in r band (probPSF_r) (src.class.starGalaxy)
rc6   [0,9] Phototype in r band, 6=Star (type_r) (Note 1)   (src.class.starGalaxy)
rDate2005.9310 yr Date of observation in r band (Note 6)   (time.epoch)
r'mag22.042 mag Model magnitude in r filter (= rmag) (Note 5)   (phot.mag;em.opt.R)
e_r'mag 0.133 mag Mean error on r'mag (= e_rmag) (stat.error;phot.mag;em.opt.R)
rpmag22.150 mag PSF magnitude in r band (psfMag_r) (phot.mag;em.opt.R)
e_rpmag 0.165 mag Mean error on rpmag (psfMagErr_r) (stat.error;phot.mag)
rPmag22.240 mag Petrosian magnitude in r band (petroMag_r) (phot.mag;em.opt.R)
e_rPmag 0.398 mag Mean error on rPmag (petroMagErr_r) (stat.error;phot.mag)
rPrad 1.41 arcsec Petrosian radius in r band (petroMagErr_r) (phys.angSize;src)
e_rPrad 0.25 arcsec Mean error in rPrad (petroMagErr_r) (stat.error)
roRA 0.00 arcsec Offset of r position along RA (offsetRa_r) (pos.angDistance)
roDE 0.00 arcsec Offset of r position along Dec (offsetDec_r) (pos.angDistance)
risoA 3.05 arcsec Isophotal major diameter in r band (isoA_r) (phys.angSize)
risoB 2.77 arcsec Isophotal minor diameter in r band (isoB_r) (phys.angSize)
rPA 51.4 deg Position angle of risoA in r band (isoPhi_r) (pos.posAng)
iFlags 12008010  Detection flags, i band (flags_i) (Note 3)   (meta.code)
is1   [0,2] 0=notStar, 1=Star in i band (probPSF_i) (src.class.starGalaxy)
ic6   [0,9] Phototype in i band, 6=Star (type_i) (Note 1)   (src.class.starGalaxy)
iDate2005.9310 yr Date of observation in i band (Note 6)   (time.epoch)
i'mag21.627 mag Model magnitude in i filter (= imag) (Note 5)   (phot.mag;em.opt.I)
e_i'mag 0.132 mag Mean error on i'mag (= e_imag) (stat.error;phot.mag;em.opt.I)
ipmag21.697 mag PSF magnitude in i band (psfMag_i) (phot.mag;em.opt.I)
e_ipmag 0.175 mag Mean error on ipmag (psfMagErr_i) (stat.error;phot.mag)
iPmag21.823 mag Petrosian magnitude in i band (petroMag_i) (phot.mag;em.opt.I)
e_iPmag 0.478 mag Mean error on iPmag (petroMagErr_i) (stat.error;phot.mag)
iPrad 1.23 arcsec Petrosian radius in i band (petroMagErr_i) (phys.angSize;src)
e_iPrad 0.25 arcsec Mean error in iPrad (petroMagErr_i) (stat.error)
ioRA -0.14 arcsec Offset of i position along RA (offsetRa_i) (pos.angDistance)
ioDE 0.02 arcsec Offset of i position along Dec (offsetDec_i) (pos.angDistance)
iisoA 3.26 arcsec Isophotal major diameter in i band (isoA_i) (phys.angSize)
iisoB 2.62 arcsec Isophotal minor diameter in i band (isoB_i) (phys.angSize)
iPA150.1 deg Position angle of iisoA in i band (isoPhi_i) (pos.posAng)
zFlags 4012000010  Detection flags, z band (flags_z) (Note 3)   (meta.code)
zs0   [0,2] 0=notStar, 1=Star in z band (probPSF_z) (src.class.starGalaxy)
zc3   [0,9] Phototype in z band, 6=Star (type_z) (Note 1)   (src.class.starGalaxy)
zDate2005.9310 yr Date of observation in z band (Note 6)   (time.epoch)
z'mag20.720 mag Model magnitude in z filter (= zmag) (Note 5)   (phot.mag;em.opt.I)
e_z'mag 0.195 mag Mean error on z'mag (= e_zmag) (stat.error;phot.mag;em.opt.I)
zpmag20.803 mag PSF magnitude in z band (psfMag_z) (phot.mag;em.opt.I)
e_zpmag 0.195 mag Mean error on zpmag (psfMagErr_z) (stat.error;phot.mag)
zPmag20.256 mag Petrosian magnitude in z band (petroMag_z) (phot.mag;em.opt.I)
e_zPmag 0.323 mag Mean error on zPmag (petroMagErr_z) (stat.error;phot.mag)
zPrad 3.42 arcsec Petrosian radius in z band (petroMagErr_z) (phys.angSize;src)
e_zPrad 1.01 arcsec Mean error in zPrad (petroMagErr_z) (stat.error)
zoRA -0.06 arcsec Offset of z position along RA (offsetRa_z) (pos.angDistance)
zoDE -0.04 arcsec Offset of z position along Dec (offsetDec_z) (pos.angDistance)
zisoA 7.05 arcsec Isophotal major diameter in z band (isoA_z) (phys.angSize)
zisoB 5.18 arcsec Isophotal minor diameter in z band (isoB_z) (phys.angSize)
zPA118.2 deg Position angle of zisoA in z band (isoPhi_z) (pos.posAng)
pmRA  mas/yr Proper motion along RightAscension (pmRa) (Note 8)   (pos.pm;pos.eq.ra)
e_pmRA  mas/yr Mean error on pmRA (pmRaErr) (Note 8)   (stat.error;pos.pm;pos.eq.ra)
pmDE  mas/yr Proper motion along Declination (pmDec) (Note 8)   (pos.pm;pos.eq.dec)
e_pmDE  mas/yr Mean error on pmDE (pmDecErr) (Note 8)   (stat.error;pos.pm;pos.eq.dec)
sigRA  arcsec RMS residual of proper motion fit in RA (Note 8)   (stat.fit.residual)
sigDE  arcsec RMS residual of proper motion fit in Dec (Note 8)   (stat.fit.residual)
M0  Number of USNO-B objects matched within 1arcsec (match) (Note 8)   (meta.number)
N0  Number of detections used in the pm fit, including SDSS (nFit) (Note 8)   (meta.number)
g(O)  mag Magnitude from O plate recalibrated to g (Note 8)   (phot.mag;em.opt.B)
r(E)  mag Magnitude from E plate recalibrated to r (Note 8)   (phot.mag;em.opt.R)
g(J)  mag Magnitude from J plate recalibrated to g (Note 8)   (phot.mag;em.opt.B)
r(F)  mag Magnitude from F plate recalibrated to r (Note 8)   (phot.mag;em.opt.R)
i(N)  mag Magnitude from N plate recalibrated to i (Note 8)   (phot.mag;em.opt.I)
RA_ICRS037.911279 deg (i) Right Ascension of the object (ICRS) (ra) (pos.eq.ra;meta.main)
DE_ICRS+22.919233 deg (i) Declination of the object (ICRS) (dec) (pos.eq.dec;meta.main)
ObsDate2005.9310 yr Mean Observation date (time.epoch;obs;stat.mean)
Q2  Quality of the observation: 1=bad 2=acceptable 3=good 4=missing 5=hole (Note 6)   (meta.code.qual;obs.param;obs)
  
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