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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=587725468524216396
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Note: SDSS is also available from http://www.sdss.org/

ColumnValue  Explain   (UCD)
_RAJ200009 09 01.27752 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+53 50 38.4324 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195009 05 24.72579 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+54 02 48.9201 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon163.60072105 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+41.66614947 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)
SDSSJ090901.27+535038.4  (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-ID1331.1.214.0076   [ 0-9.] SDSS object identifier (Note 2)   (meta.id)
objID587725468524216396  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)
parentID587725468524216385  Pointer to parent (if object deblended) (meta.id.parent)
rerun 40   [40,651] Re-run number (Note 2)   (meta.code)
flags 6008120A005C  Photo Object Attribute flags (Note 3)   (meta.code.error)
Status00002673   [0-9A-F] Hexadecimal status (Note 4)   (meta.code)
e_RA_ICRS 0.036 arcsec Mean error on RAdeg (raErr) (stat.error;pos.eq.ra)
e_DE_ICRS 0.036 arcsec Mean error on DEdeg (decErr) (stat.error;pos.eq.dec)
ccPos-0.01  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)
umag20.829 mag (i) Model magnitude in u filter (u) (Note 5)   (phot.mag;em.opt.U)
e_umag 0.100 mag Mean error on umag (err_u) (stat.error;phot.mag;em.opt.U)
gmag19.878 mag (i) Model magnitude in g filter (g) (Note 5)   (phot.mag;em.opt.B)
e_gmag 0.024 mag Mean error on gmag (err_g) (stat.error;phot.mag;em.opt.B)
rmag19.260 mag (i) Model magnitude in r filter (r) (Note 5)   (phot.mag;em.opt.R)
e_rmag 0.019 mag Mean error on rmag (err_r) (stat.error;phot.mag;em.opt.R)
imag19.032 mag (i) Model magnitude in i filter (i) (Note 5)   (phot.mag;em.opt.I)
e_imag 0.021 mag Mean error on imag (err_i) (stat.error;phot.mag;em.opt.I)
zmag18.711 mag (i) Model magnitude in z filter (z) (Note 5)   (phot.mag;em.opt.I)
e_zmag 0.047 mag Mean error on zmag (err_z) (stat.error;phot.mag;em.opt.I)
uFlags 401208001C  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)
uDate2000.2580 yr Date of observation in u band (Note 6)   (time.epoch)
u'mag20.829 mag Model magnitude in u filter (= umag) (Note 5)   (phot.mag;em.opt.U)
e_u'mag 0.100 mag Mean error on u'mag (= e_umag) (stat.error;phot.mag)
upmag21.145 mag PSF magnitude in u band (psfMag_u) (phot.mag;em.opt.U)
e_upmag 0.142 mag Mean error on upmag (psfMagErr_u) (stat.error;phot.mag)
uPmag20.949 mag Petrosian magnitude in u band (petroMag_u) (phot.mag;em.opt.U)
e_uPmag 0.294 mag Mean error on uPmag (petroMagErr_u) (stat.error;phot.mag)
uPrad 2.45 arcsec Petrosian radius in u band (petroRad_u) (phys.angSize;src)
e_uPrad 0.48 arcsec Mean error in uPrad (petroRadErr_u) (stat.error)
uoRA -0.30 arcsec Offset of u position along RA (offsetRa_u) (pos.angDistance)
uoDE -0.72 arcsec Offset of u position along Dec (offsetDec_u) (pos.angDistance)
uisoA 4.51 arcsec Isophotal major diameter in u band (isoA_u) (phys.angSize;em.opt.U)
uisoB 3.27 arcsec Isophotal minor diameter in u band (isoB_u) (phys.angSize;em.opt.U)
uPA 7.2 deg Position angle of uisoA in u band (isoPhi_u) (pos.posAng)
gFlags 401208001C  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)
gDate2000.2580 yr Date of observation in g band (Note 6)   (time.epoch)
g'mag19.878 mag Model magnitude in g filter (= gmag) (Note 5)   (phot.mag;em.opt.B)
e_g'mag 0.024 mag Mean error on g'mag (= e_gmag) (stat.error;phot.mag;em.opt.B)
gpmag20.280 mag PSF magnitude in g band (psfMag_g) (phot.mag;em.opt.B)
e_gpmag 0.067 mag Mean error on gpmag (psfMagErr_g) (stat.error;phot.mag)
gPmag19.983 mag Petrosian magnitude in g band (petroMag_g) (phot.mag;em.opt.B)
e_gPmag 0.141 mag Mean error on gPmag (petroMagErr_g) (stat.error;phot.mag)
gPrad 2.00 arcsec Petrosian radius in g band (petroMagErr_g) (phys.angSize;src)
e_gPrad 0.09 arcsec Mean error in gPrad (petroMagErr_g) (stat.error)
goRA -0.09 arcsec Offset of g position along RA (offsetRa_g) (pos.angDistance)
goDE -0.62 arcsec Offset of g position along Dec (offsetDec_g) (pos.angDistance)
gisoA 5.04 arcsec Isophotal major diameter in g band (isoA_g) (phys.angSize)
gisoB 4.61 arcsec Isophotal minor diameter in g band (isoB_g) (phys.angSize)
gPA 19.5 deg Position angle of gisoA in g band (isoPhi_g) (pos.posAng)
rFlags 1000C01208001C  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)
rDate2000.2580 yr Date of observation in r band (Note 6)   (time.epoch)
r'mag19.260 mag Model magnitude in r filter (= rmag) (Note 5)   (phot.mag;em.opt.R)
e_r'mag 0.019 mag Mean error on r'mag (= e_rmag) (stat.error;phot.mag;em.opt.R)
rpmag19.662 mag PSF magnitude in r band (psfMag_r) (phot.mag;em.opt.R)
e_rpmag 0.069 mag Mean error on rpmag (psfMagErr_r) (stat.error;phot.mag)
rPmag19.325 mag Petrosian magnitude in r band (petroMag_r) (phot.mag;em.opt.R)
e_rPmag 0.139 mag Mean error on rPmag (petroMagErr_r) (stat.error;phot.mag)
rPrad 1.77 arcsec Petrosian radius in r band (petroMagErr_r) (phys.angSize;src)
e_rPrad 0.06 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 5.91 arcsec Isophotal major diameter in r band (isoA_r) (phys.angSize)
risoB 5.67 arcsec Isophotal minor diameter in r band (isoB_r) (phys.angSize)
rPA 46.5 deg Position angle of risoA in r band (isoPhi_r) (pos.posAng)
iFlags C012080018  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)
iDate2000.2580 yr Date of observation in i band (Note 6)   (time.epoch)
i'mag19.032 mag Model magnitude in i filter (= imag) (Note 5)   (phot.mag;em.opt.I)
e_i'mag 0.021 mag Mean error on i'mag (= e_imag) (stat.error;phot.mag;em.opt.I)
ipmag19.442 mag PSF magnitude in i band (psfMag_i) (phot.mag;em.opt.I)
e_ipmag 0.074 mag Mean error on ipmag (psfMagErr_i) (stat.error;phot.mag)
iPmag19.097 mag Petrosian magnitude in i band (petroMag_i) (phot.mag;em.opt.I)
e_iPmag 0.150 mag Mean error on iPmag (petroMagErr_i) (stat.error;phot.mag)
iPrad 1.78 arcsec Petrosian radius in i band (petroMagErr_i) (phys.angSize;src)
e_iPrad 0.07 arcsec Mean error in iPrad (petroMagErr_i) (stat.error)
ioRA -0.09 arcsec Offset of i position along RA (offsetRa_i) (pos.angDistance)
ioDE -0.03 arcsec Offset of i position along Dec (offsetDec_i) (pos.angDistance)
iisoA 6.21 arcsec Isophotal major diameter in i band (isoA_i) (phys.angSize)
iisoB 5.95 arcsec Isophotal minor diameter in i band (isoB_i) (phys.angSize)
iPA 51.6 deg Position angle of iisoA in i band (isoPhi_i) (pos.posAng)
zFlags 404012088019  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)
zDate2000.2580 yr Date of observation in z band (Note 6)   (time.epoch)
z'mag18.711 mag Model magnitude in z filter (= zmag) (Note 5)   (phot.mag;em.opt.I)
e_z'mag 0.047 mag Mean error on z'mag (= e_zmag) (stat.error;phot.mag;em.opt.I)
zpmag19.263 mag PSF magnitude in z band (psfMag_z) (phot.mag;em.opt.I)
e_zpmag 0.094 mag Mean error on zpmag (psfMagErr_z) (stat.error;phot.mag)
zPmag18.674 mag Petrosian magnitude in z band (petroMag_z) (phot.mag;em.opt.I)
e_zPmag 0.168 mag Mean error on zPmag (petroMagErr_z) (stat.error;phot.mag)
zPrad 1.95 arcsec Petrosian radius in z band (petroMagErr_z) (phys.angSize;src)
e_zPrad 5.59 arcsec Mean error in zPrad (petroMagErr_z) (stat.error)
zoRA -0.04 arcsec Offset of z position along RA (offsetRa_z) (pos.angDistance)
zoDE -0.09 arcsec Offset of z position along Dec (offsetDec_z) (pos.angDistance)
zisoA 6.64 arcsec Isophotal major diameter in z band (isoA_z) (phys.angSize)
zisoB 6.30 arcsec Isophotal minor diameter in z band (isoB_z) (phys.angSize)
zPA 22.7 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_ICRS137.255323 deg (i) Right Ascension of the object (ICRS) (ra) (pos.eq.ra;meta.main)
DE_ICRS+53.844009 deg (i) Declination of the object (ICRS) (dec) (pos.eq.dec;meta.main)
ObsDate2000.2580 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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