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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===J230728.55+210759.8
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Note: SDSS is also available from http://www.sdss.org/

ColumnValue  Explain   (UCD)
_RAJ200023 07 28.55112 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+21 07 59.8728 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195023 05 00.74190 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+20 51 45.1468 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon092.76296423 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-35.57564318 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)
SDSSJ230728.55+210759.8  (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-ID6354.1.187.0004   [ 0-9.] SDSS object identifier (Note 2)   (meta.id)
objID758883827983253508  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)
parentID758883827983253506  Pointer to parent (if object deblended) (meta.id.parent)
rerun648   [40,651] Re-run number (Note 2)   (meta.code)
flags 1F810920E005C  Photo Object Attribute flags (Note 3)   (meta.code.error)
Status00006673   [0-9A-F] Hexadecimal status (Note 4)   (meta.code)
e_RA_ICRS 0.404 arcsec Mean error on RAdeg (raErr) (stat.error;pos.eq.ra)
e_DE_ICRS 0.390 arcsec Mean error on DEdeg (decErr) (stat.error;pos.eq.dec)
ccPos 0.05  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)
umag14.645 mag (i) Model magnitude in u filter (u) (Note 5)   (phot.mag;em.opt.U)
e_umag 0.005 mag Mean error on umag (err_u) (stat.error;phot.mag;em.opt.U)
gmag21.216 mag (i) Model magnitude in g filter (g) (Note 5)   (phot.mag;em.opt.B)
e_gmag 0.438 mag Mean error on gmag (err_g) (stat.error;phot.mag;em.opt.B)
rmag14.420 mag (i) Model magnitude in r filter (r) (Note 5)   (phot.mag;em.opt.R)
e_rmag 0.012 mag Mean error on rmag (err_r) (stat.error;phot.mag;em.opt.R)
imag13.939 mag (i) Model magnitude in i filter (i) (Note 5)   (phot.mag;em.opt.I)
e_imag 0.012 mag Mean error on imag (err_i) (stat.error;phot.mag;em.opt.I)
zmag13.989 mag (i) Model magnitude in z filter (z) (Note 5)   (phot.mag;em.opt.I)
e_zmag 0.006 mag Mean error on zmag (err_z) (stat.error;phot.mag;em.opt.I)
uFlags 40401006801D  Detection flags, u band (flags_u) (Note 3)   (meta.code)
us1   [0,2] 0=notStar, 1=Star in u band (probPSF_u) (src.class.starGalaxy)
uc6   [0,9] Phototype in u band, 6=Star (type_u) (Note 1)   (src.class.starGalaxy)
uDate2006.7084 yr Date of observation in u band (Note 6)   (time.epoch)
u'mag14.645 mag Model magnitude in u filter (= umag) (Note 5)   (phot.mag;em.opt.U)
e_u'mag 0.005 mag Mean error on u'mag (= e_umag) (stat.error;phot.mag)
upmag14.834 mag PSF magnitude in u band (psfMag_u) (phot.mag;em.opt.U)
e_upmag 0.251 mag Mean error on upmag (psfMagErr_u) (stat.error;phot.mag)
uPmag14.726 mag Petrosian magnitude in u band (petroMag_u) (phot.mag;em.opt.U)
e_uPmag 0.541 mag Mean error on uPmag (petroMagErr_u) (stat.error;phot.mag)
uPrad 1.56 arcsec Petrosian radius in u band (petroRad_u) (phys.angSize;src)
e_uPrad 0.05 arcsec Mean error in uPrad (petroRadErr_u) (stat.error)
uoRA -3.67 arcsec Offset of u position along RA (offsetRa_u) (pos.angDistance)
uoDE -1.82 arcsec Offset of u position along Dec (offsetDec_u) (pos.angDistance)
uisoA 18.79 arcsec Isophotal major diameter in u band (isoA_u) (phys.angSize;em.opt.U)
uisoB 15.47 arcsec Isophotal minor diameter in u band (isoB_u) (phys.angSize;em.opt.U)
uPA 48.0 deg Position angle of uisoA in u band (isoPhi_u) (pos.posAng)
gFlags 205880100E801D  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)
gDate2006.7084 yr Date of observation in g band (Note 6)   (time.epoch)
g'mag21.216 mag Model magnitude in g filter (= gmag) (Note 5)   (phot.mag;em.opt.B)
e_g'mag 0.438 mag Mean error on g'mag (= e_gmag) (stat.error;phot.mag;em.opt.B)
gpmag21.923 mag PSF magnitude in g band (psfMag_g) (phot.mag;em.opt.B)
e_gpmag97.100 mag Mean error on gpmag (psfMagErr_g) (stat.error;phot.mag)
gPmag14.677 mag Petrosian magnitude in g band (petroMag_g) (phot.mag;em.opt.B)
e_gPmag 0.317 mag Mean error on gPmag (petroMagErr_g) (stat.error;phot.mag)
gPrad 1.40 arcsec Petrosian radius in g band (petroMagErr_g) (phys.angSize;src)
e_gPrad 0.04 arcsec Mean error in gPrad (petroMagErr_g) (stat.error)
goRA 0.10 arcsec Offset of g position along RA (offsetRa_g) (pos.angDistance)
goDE 0.01 arcsec Offset of g position along Dec (offsetDec_g) (pos.angDistance)
gisoA 17.97 arcsec Isophotal major diameter in g band (isoA_g) (phys.angSize)
gisoB 17.68 arcsec Isophotal minor diameter in g band (isoB_g) (phys.angSize)
gPA110.8 deg Position angle of gisoA in g band (isoPhi_g) (pos.posAng)
rFlags 30D880120E801D  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)
rDate2006.7084 yr Date of observation in r band (Note 6)   (time.epoch)
r'mag14.420 mag Model magnitude in r filter (= rmag) (Note 5)   (phot.mag;em.opt.R)
e_r'mag 0.012 mag Mean error on r'mag (= e_rmag) (stat.error;phot.mag;em.opt.R)
rpmag14.614 mag PSF magnitude in r band (psfMag_r) (phot.mag;em.opt.R)
e_rpmag 0.578 mag Mean error on rpmag (psfMagErr_r) (stat.error;phot.mag)
rPmag14.306 mag Petrosian magnitude in r band (petroMag_r) (phot.mag;em.opt.R)
e_rPmag 0.208 mag Mean error on rPmag (petroMagErr_r) (stat.error;phot.mag)
rPrad 1.45 arcsec Petrosian radius in r band (petroMagErr_r) (phys.angSize;src)
e_rPrad 0.03 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 19.02 arcsec Isophotal major diameter in r band (isoA_r) (phys.angSize)
risoB 18.59 arcsec Isophotal minor diameter in r band (isoB_r) (phys.angSize)
rPA107.9 deg Position angle of risoA in r band (isoPhi_r) (pos.posAng)
iFlags 9800120E803C  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)
iDate2006.7084 yr Date of observation in i band (Note 6)   (time.epoch)
i'mag13.939 mag Model magnitude in i filter (= imag) (Note 5)   (phot.mag;em.opt.I)
e_i'mag 0.012 mag Mean error on i'mag (= e_imag) (stat.error;phot.mag;em.opt.I)
ipmag14.246 mag PSF magnitude in i band (psfMag_i) (phot.mag;em.opt.I)
e_ipmag 0.141 mag Mean error on ipmag (psfMagErr_i) (stat.error;phot.mag)
iPmag13.989 mag Petrosian magnitude in i band (petroMag_i) (phot.mag;em.opt.I)
e_iPmag 0.262 mag Mean error on iPmag (petroMagErr_i) (stat.error;phot.mag)
iPrad 1.39 arcsec Petrosian radius in i band (petroMagErr_i) (phys.angSize;src)
e_iPrad 0.02 arcsec Mean error in iPrad (petroMagErr_i) (stat.error)
ioRA -3.73 arcsec Offset of i position along RA (offsetRa_i) (pos.angDistance)
ioDE -2.15 arcsec Offset of i position along Dec (offsetDec_i) (pos.angDistance)
iisoA 21.12 arcsec Isophotal major diameter in i band (isoA_i) (phys.angSize)
iisoB 19.58 arcsec Isophotal minor diameter in i band (isoB_i) (phys.angSize)
iPA 50.8 deg Position angle of iisoA in i band (isoPhi_i) (pos.posAng)
zFlags 4004000000E801D  Detection flags, z band (flags_z) (Note 3)   (meta.code)
zs1   [0,2] 0=notStar, 1=Star in z band (probPSF_z) (src.class.starGalaxy)
zc6   [0,9] Phototype in z band, 6=Star (type_z) (Note 1)   (src.class.starGalaxy)
zDate2006.7084 yr Date of observation in z band (Note 6)   (time.epoch)
z'mag13.989 mag Model magnitude in z filter (= zmag) (Note 5)   (phot.mag;em.opt.I)
e_z'mag 0.006 mag Mean error on z'mag (= e_zmag) (stat.error;phot.mag;em.opt.I)
zpmag14.153 mag PSF magnitude in z band (psfMag_z) (phot.mag;em.opt.I)
e_zpmag 0.596 mag Mean error on zpmag (psfMagErr_z) (stat.error;phot.mag)
zPmag14.103 mag Petrosian magnitude in z band (petroMag_z) (phot.mag;em.opt.I)
e_zPmag 1.361 mag Mean error on zPmag (petroMagErr_z) (stat.error;phot.mag)
zPrad 1.44 arcsec Petrosian radius in z band (petroMagErr_z) (phys.angSize;src)
e_zPrad 0.69 arcsec Mean error in zPrad (petroMagErr_z) (stat.error)
zoRA -3.56 arcsec Offset of z position along RA (offsetRa_z) (pos.angDistance)
zoDE -2.05 arcsec Offset of z position along Dec (offsetDec_z) (pos.angDistance)
zisoA 17.92 arcsec Isophotal major diameter in z band (isoA_z) (phys.angSize)
zisoB 12.83 arcsec Isophotal minor diameter in z band (isoB_z) (phys.angSize)
zPA 58.8 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_ICRS346.868963 deg (i) Right Ascension of the object (ICRS) (ra) (pos.eq.ra;meta.main)
DE_ICRS+21.133298 deg (i) Declination of the object (ICRS) (dec) (pos.eq.dec;meta.main)
ObsDate2006.7084 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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