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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)
  objID=587739157113798787
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Note: SDSS is also available from http://www.sdss.org/

ColumnValue  Explain   (UCD)
_RAJ200009 24 23.12162 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+28 17 47.4320 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195009 21 26.43043 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+28 30 41.3998 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon198.85719293 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+44.51999572 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)
SDSSJ092423.12+281747.5  (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)
R4   [3457] Release inclusion (blank for new, 3,4,5 when already included in DR3/4/5) (meta.note)
SDSS-ID4518.2.091.0131   [ 0-9.] SDSS object identifier (Note 2)   (meta.id)
objID587739157113798787  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)
parentID587739157113798783  Pointer to parent (if object deblended) (meta.id.parent)
rerun 40   [40,651] Re-run number (Note 2)   (meta.code)
flags 1010021110  Photo Object Attribute flags (Note 3)   (meta.code.error)
Status00002673   [0-9A-F] Hexadecimal status (Note 4)   (meta.code)
e_RA_ICRS 1.550 arcsec Mean error on RAdeg (raErr) (stat.error;pos.eq.ra)
e_DE_ICRS 1.050 arcsec Mean error on DEdeg (decErr) (stat.error;pos.eq.dec)
ccPos 0.47  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)
umag18.184 mag (i) Model magnitude in u filter (u) (Note 5)   (phot.mag;em.opt.U)
e_umag 0.062 mag Mean error on umag (err_u) (stat.error;phot.mag;em.opt.U)
gmag18.121 mag (i) Model magnitude in g filter (g) (Note 5)   (phot.mag;em.opt.B)
e_gmag 0.028 mag Mean error on gmag (err_g) (stat.error;phot.mag;em.opt.B)
rmag18.549 mag (i) Model magnitude in r filter (r) (Note 5)   (phot.mag;em.opt.R)
e_rmag 0.080 mag Mean error on rmag (err_r) (stat.error;phot.mag;em.opt.R)
imag18.772 mag (i) Model magnitude in i filter (i) (Note 5)   (phot.mag;em.opt.I)
e_imag 0.114 mag Mean error on imag (err_i) (stat.error;phot.mag;em.opt.I)
zmag17.366 mag (i) Model magnitude in z filter (z) (Note 5)   (phot.mag;em.opt.I)
e_zmag 0.078 mag Mean error on zmag (err_z) (stat.error;phot.mag;em.opt.I)
uFlags 4010028010  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)
uDate2004.2116 yr Date of observation in u band (Note 6)   (time.epoch)
u'mag18.184 mag Model magnitude in u filter (= umag) (Note 5)   (phot.mag;em.opt.U)
e_u'mag 0.062 mag Mean error on u'mag (= e_umag) (stat.error;phot.mag)
upmag20.759 mag PSF magnitude in u band (psfMag_u) (phot.mag;em.opt.U)
e_upmag 0.146 mag Mean error on upmag (psfMagErr_u) (stat.error;phot.mag)
uPmag18.842 mag Petrosian magnitude in u band (petroMag_u) (phot.mag;em.opt.U)
e_uPmag 0.451 mag Mean error on uPmag (petroMagErr_u) (stat.error;phot.mag)
uPrad 11.24 arcsec Petrosian radius in u band (petroRad_u) (phys.angSize;src)
e_uPrad 1.33 arcsec Mean error in uPrad (petroRadErr_u) (stat.error)
uoRA 0.26 arcsec Offset of u position along RA (offsetRa_u) (pos.angDistance)
uoDE -0.16 arcsec Offset of u position along Dec (offsetDec_u) (pos.angDistance)
uisoA 19.45 arcsec Isophotal major diameter in u band (isoA_u) (phys.angSize;em.opt.U)
uisoB 11.28 arcsec Isophotal minor diameter in u band (isoB_u) (phys.angSize;em.opt.U)
uPA 96.3 deg Position angle of uisoA in u band (isoPhi_u) (pos.posAng)
gFlags 4010029010  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)
gDate2004.2116 yr Date of observation in g band (Note 6)   (time.epoch)
g'mag18.121 mag Model magnitude in g filter (= gmag) (Note 5)   (phot.mag;em.opt.B)
e_g'mag 0.028 mag Mean error on g'mag (= e_gmag) (stat.error;phot.mag;em.opt.B)
gpmag21.636 mag PSF magnitude in g band (psfMag_g) (phot.mag;em.opt.B)
e_gpmag 0.561 mag Mean error on gpmag (psfMagErr_g) (stat.error;phot.mag)
gPmag18.157 mag Petrosian magnitude in g band (petroMag_g) (phot.mag;em.opt.B)
e_gPmag 0.541 mag Mean error on gPmag (petroMagErr_g) (stat.error;phot.mag)
gPrad 10.70 arcsec Petrosian radius in g band (petroMagErr_g) (phys.angSize;src)
e_gPrad 10.60 arcsec Mean error in gPrad (petroMagErr_g) (stat.error)
goRA 0.77 arcsec Offset of g position along RA (offsetRa_g) (pos.angDistance)
goDE 0.52 arcsec Offset of g position along Dec (offsetDec_g) (pos.angDistance)
gisoA 21.12 arcsec Isophotal major diameter in g band (isoA_g) (phys.angSize)
gisoB 13.17 arcsec Isophotal minor diameter in g band (isoB_g) (phys.angSize)
gPA109.5 deg Position angle of gisoA in g band (isoPhi_g) (pos.posAng)
rFlags 10004010028510  Detection flags, r band (flags_r) (Note 3)   (meta.code)
rs0   [0,2] 0=notStar, 1=Star in r band (probPSF_r) (src.class.starGalaxy)
rc3   [0,9] Phototype in r band, 6=Star (type_r) (Note 1)   (src.class.starGalaxy)
rDate2004.2116 yr Date of observation in r band (Note 6)   (time.epoch)
r'mag18.549 mag Model magnitude in r filter (= rmag) (Note 5)   (phot.mag;em.opt.R)
e_r'mag 0.080 mag Mean error on r'mag (= e_rmag) (stat.error;phot.mag;em.opt.R)
rpmag22.210 mag PSF magnitude in r band (psfMag_r) (phot.mag;em.opt.R)
e_rpmag 1.020 mag Mean error on rpmag (psfMagErr_r) (stat.error;phot.mag)
rPmag18.528 mag Petrosian magnitude in r band (petroMag_r) (phot.mag;em.opt.R)
e_rPmag 0.538 mag Mean error on rPmag (petroMagErr_r) (stat.error;phot.mag)
rPrad 27.92 arcsec Petrosian radius in r band (petroMagErr_r) (phys.angSize;src)
e_rPrad  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 19.78 arcsec Isophotal major diameter in r band (isoA_r) (phys.angSize)
risoB 11.46 arcsec Isophotal minor diameter in r band (isoB_r) (phys.angSize)
rPA109.2 deg Position angle of risoA in r band (isoPhi_r) (pos.posAng)
iFlags 4010028510  Detection flags, i band (flags_i) (Note 3)   (meta.code)
is0   [0,2] 0=notStar, 1=Star in i band (probPSF_i) (src.class.starGalaxy)
ic3   [0,9] Phototype in i band, 6=Star (type_i) (Note 1)   (src.class.starGalaxy)
iDate2004.2116 yr Date of observation in i band (Note 6)   (time.epoch)
i'mag18.772 mag Model magnitude in i filter (= imag) (Note 5)   (phot.mag;em.opt.I)
e_i'mag 0.114 mag Mean error on i'mag (= e_imag) (stat.error;phot.mag;em.opt.I)
ipmag22.675 mag PSF magnitude in i band (psfMag_i) (phot.mag;em.opt.I)
e_ipmag 1.611 mag Mean error on ipmag (psfMagErr_i) (stat.error;phot.mag)
iPmag18.170 mag Petrosian magnitude in i band (petroMag_i) (phot.mag;em.opt.I)
e_iPmag 0.690 mag Mean error on iPmag (petroMagErr_i) (stat.error;phot.mag)
iPrad 43.77 arcsec Petrosian radius in i band (petroMagErr_i) (phys.angSize;src)
e_iPrad  arcsec Mean error in iPrad (petroMagErr_i) (stat.error)
ioRA 0.32 arcsec Offset of i position along RA (offsetRa_i) (pos.angDistance)
ioDE -0.28 arcsec Offset of i position along Dec (offsetDec_i) (pos.angDistance)
iisoA 19.63 arcsec Isophotal major diameter in i band (isoA_i) (phys.angSize)
iisoB 9.94 arcsec Isophotal minor diameter in i band (isoB_i) (phys.angSize)
iPA109.0 deg Position angle of iisoA in i band (isoPhi_i) (pos.posAng)
zFlags 20004010008030  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)
zDate2004.2116 yr Date of observation in z band (Note 6)   (time.epoch)
z'mag17.366 mag Model magnitude in z filter (= zmag) (Note 5)   (phot.mag;em.opt.I)
e_z'mag 0.078 mag Mean error on z'mag (= e_zmag) (stat.error;phot.mag;em.opt.I)
zpmag21.482 mag PSF magnitude in z band (psfMag_z) (phot.mag;em.opt.I)
e_zpmag 0.666 mag Mean error on zpmag (psfMagErr_z) (stat.error;phot.mag)
zPmag17.446 mag Petrosian magnitude in z band (petroMag_z) (phot.mag;em.opt.I)
e_zPmag 0.479 mag Mean error on zPmag (petroMagErr_z) (stat.error;phot.mag)
zPrad 11.87 arcsec Petrosian radius in z band (petroMagErr_z) (phys.angSize;src)
e_zPrad 6.62 arcsec Mean error in zPrad (petroMagErr_z) (stat.error)
zoRA 0.24 arcsec Offset of z position along RA (offsetRa_z) (pos.angDistance)
zoDE -0.12 arcsec Offset of z position along Dec (offsetDec_z) (pos.angDistance)
zisoA 30.00 arcsec Isophotal major diameter in z band (isoA_z) (phys.angSize)
zisoB 19.96 arcsec Isophotal minor diameter in z band (isoB_z) (phys.angSize)
zPA129.9 deg Position angle of zisoA in z band (isoPhi_z) (pos.posAng)
pmRA 21 mas/yr Proper motion along RightAscension (pmRa) (Note 8)   (pos.pm;pos.eq.ra)
e_pmRA 3 mas/yr Mean error on pmRA (pmRaErr) (Note 8)   (stat.error;pos.pm;pos.eq.ra)
pmDE 36 mas/yr Proper motion along Declination (pmDec) (Note 8)   (pos.pm;pos.eq.dec)
e_pmDE 3 mas/yr Mean error on pmDE (pmDecErr) (Note 8)   (stat.error;pos.pm;pos.eq.dec)
sigRA 0.191 arcsec RMS residual of proper motion fit in RA (Note 8)   (stat.fit.residual)
sigDE 0.972 arcsec RMS residual of proper motion fit in Dec (Note 8)   (stat.fit.residual)
M1  Number of USNO-B objects matched within 1arcsec (match) (Note 8)   (meta.number)
N5  Number of detections used in the pm fit, including SDSS (nFit) (Note 8)   (meta.number)
g(O)13.5 mag Magnitude from O plate recalibrated to g (Note 8)   (phot.mag;em.opt.B)
r(E)14.7 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)16.3 mag Magnitude from F plate recalibrated to r (Note 8)   (phot.mag;em.opt.R)
i(N)15.1 mag Magnitude from N plate recalibrated to i (Note 8)   (phot.mag;em.opt.I)
RA_ICRS141.096368 deg (i) Right Ascension of the object (ICRS) (ra) (pos.eq.ra;meta.main)
DE_ICRS+28.296551 deg (i) Declination of the object (ICRS) (dec) (pos.eq.dec;meta.main)
ObsDate2004.2116 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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