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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=588007005803315496
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Note: SDSS is also available from http://www.sdss.org/

ColumnValue  Explain   (UCD)
_RAJ200016 21 36.02856 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+47 48 26.7588 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195016 20 09.30012 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+47 55 26.6777 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon074.51948782 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+44.53765715 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)
SDSSJ162136.02+474826.7  (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-ID1345.5.601.0296   [ 0-9.] SDSS object identifier (Note 2)   (meta.id)
objID588007005803315496  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)
parentID588007005803315494  Pointer to parent (if object deblended) (meta.id.parent)
rerun 41   [40,651] Re-run number (Note 2)   (meta.code)
flags 401010000310  Photo Object Attribute flags (Note 3)   (meta.code.error)
Status00002673   [0-9A-F] Hexadecimal status (Note 4)   (meta.code)
e_RA_ICRS 0.045 arcsec Mean error on RAdeg (raErr) (stat.error;pos.eq.ra)
e_DE_ICRS 0.043 arcsec Mean error on DEdeg (decErr) (stat.error;pos.eq.dec)
ccPos 0.15  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)
umag22.276 mag (i) Model magnitude in u filter (u) (Note 5)   (phot.mag;em.opt.U)
e_umag 0.285 mag Mean error on umag (err_u) (stat.error;phot.mag;em.opt.U)
gmag21.124 mag (i) Model magnitude in g filter (g) (Note 5)   (phot.mag;em.opt.B)
e_gmag 0.047 mag Mean error on gmag (err_g) (stat.error;phot.mag;em.opt.B)
rmag20.509 mag (i) Model magnitude in r filter (r) (Note 5)   (phot.mag;em.opt.R)
e_rmag 0.039 mag Mean error on rmag (err_r) (stat.error;phot.mag;em.opt.R)
imag20.278 mag (i) Model magnitude in i filter (i) (Note 5)   (phot.mag;em.opt.I)
e_imag 0.048 mag Mean error on imag (err_i) (stat.error;phot.mag;em.opt.I)
zmag20.136 mag (i) Model magnitude in z filter (z) (Note 5)   (phot.mag;em.opt.I)
e_zmag 0.134 mag Mean error on zmag (err_z) (stat.error;phot.mag;em.opt.I)
uFlags 404018808111  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)
uDate2000.2611 yr Date of observation in u band (Note 6)   (time.epoch)
u'mag22.276 mag Model magnitude in u filter (= umag) (Note 5)   (phot.mag;em.opt.U)
e_u'mag 0.285 mag Mean error on u'mag (= e_umag) (stat.error;phot.mag)
upmag22.692 mag PSF magnitude in u band (psfMag_u) (phot.mag;em.opt.U)
e_upmag 0.289 mag Mean error on upmag (psfMagErr_u) (stat.error;phot.mag)
uPmag22.249 mag Petrosian magnitude in u band (petroMag_u) (phot.mag;em.opt.U)
e_uPmag 0.630 mag Mean error on uPmag (petroMagErr_u) (stat.error;phot.mag)
uPrad 2.97 arcsec Petrosian radius in u band (petroRad_u) (phys.angSize;src)
e_uPrad  arcsec Mean error in uPrad (petroRadErr_u) (stat.error)
uoRA 0.22 arcsec Offset of u position along RA (offsetRa_u) (pos.angDistance)
uoDE -0.14 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 4010808110  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)
gDate2000.2611 yr Date of observation in g band (Note 6)   (time.epoch)
g'mag21.124 mag Model magnitude in g filter (= gmag) (Note 5)   (phot.mag;em.opt.B)
e_g'mag 0.047 mag Mean error on g'mag (= e_gmag) (stat.error;phot.mag;em.opt.B)
gpmag21.598 mag PSF magnitude in g band (psfMag_g) (phot.mag;em.opt.B)
e_gpmag 0.116 mag Mean error on gpmag (psfMagErr_g) (stat.error;phot.mag)
gPmag21.029 mag Petrosian magnitude in g band (petroMag_g) (phot.mag;em.opt.B)
e_gPmag 0.350 mag Mean error on gPmag (petroMagErr_g) (stat.error;phot.mag)
gPrad 2.97 arcsec Petrosian radius in g band (petroMagErr_g) (phys.angSize;src)
e_gPrad  arcsec Mean error in gPrad (petroMagErr_g) (stat.error)
goRA 0.08 arcsec Offset of g position along RA (offsetRa_g) (pos.angDistance)
goDE -0.05 arcsec Offset of g position along Dec (offsetDec_g) (pos.angDistance)
gisoA 4.92 arcsec Isophotal major diameter in g band (isoA_g) (phys.angSize)
gisoB 3.47 arcsec Isophotal minor diameter in g band (isoB_g) (phys.angSize)
gPA 33.4 deg Position angle of gisoA in g band (isoPhi_g) (pos.posAng)
rFlags 10004010008010  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)
rDate2000.2611 yr Date of observation in r band (Note 6)   (time.epoch)
r'mag20.509 mag Model magnitude in r filter (= rmag) (Note 5)   (phot.mag;em.opt.R)
e_r'mag 0.039 mag Mean error on r'mag (= e_rmag) (stat.error;phot.mag;em.opt.R)
rpmag21.078 mag PSF magnitude in r band (psfMag_r) (phot.mag;em.opt.R)
e_rpmag 0.234 mag Mean error on rpmag (psfMagErr_r) (stat.error;phot.mag)
rPmag20.522 mag Petrosian magnitude in r band (petroMag_r) (phot.mag;em.opt.R)
e_rPmag 0.550 mag Mean error on rPmag (petroMagErr_r) (stat.error;phot.mag)
rPrad 1.79 arcsec Petrosian radius in r band (petroMagErr_r) (phys.angSize;src)
e_rPrad 0.98 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 4.93 arcsec Isophotal major diameter in r band (isoA_r) (phys.angSize)
risoB 3.80 arcsec Isophotal minor diameter in r band (isoB_r) (phys.angSize)
rPA177.3 deg Position angle of risoA in r band (isoPhi_r) (pos.posAng)
iFlags 4010008010  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)
iDate2000.2611 yr Date of observation in i band (Note 6)   (time.epoch)
i'mag20.278 mag Model magnitude in i filter (= imag) (Note 5)   (phot.mag;em.opt.I)
e_i'mag 0.048 mag Mean error on i'mag (= e_imag) (stat.error;phot.mag;em.opt.I)
ipmag20.856 mag PSF magnitude in i band (psfMag_i) (phot.mag;em.opt.I)
e_ipmag 0.254 mag Mean error on ipmag (psfMagErr_i) (stat.error;phot.mag)
iPmag20.070 mag Petrosian magnitude in i band (petroMag_i) (phot.mag;em.opt.I)
e_iPmag 0.583 mag Mean error on iPmag (petroMagErr_i) (stat.error;phot.mag)
iPrad 4.91 arcsec Petrosian radius in i band (petroMagErr_i) (phys.angSize;src)
e_iPrad 1.01 arcsec Mean error in iPrad (petroMagErr_i) (stat.error)
ioRA -0.03 arcsec Offset of i position along RA (offsetRa_i) (pos.angDistance)
ioDE -0.07 arcsec Offset of i position along Dec (offsetDec_i) (pos.angDistance)
iisoA 6.87 arcsec Isophotal major diameter in i band (isoA_i) (phys.angSize)
iisoB 4.41 arcsec Isophotal minor diameter in i band (isoB_i) (phys.angSize)
iPA156.1 deg Position angle of iisoA in i band (isoPhi_i) (pos.posAng)
zFlags 4010008210  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)
zDate2000.2611 yr Date of observation in z band (Note 6)   (time.epoch)
z'mag20.136 mag Model magnitude in z filter (= zmag) (Note 5)   (phot.mag;em.opt.I)
e_z'mag 0.134 mag Mean error on z'mag (= e_zmag) (stat.error;phot.mag;em.opt.I)
zpmag20.644 mag PSF magnitude in z band (psfMag_z) (phot.mag;em.opt.I)
e_zpmag 0.276 mag Mean error on zpmag (psfMagErr_z) (stat.error;phot.mag)
zPmag20.140 mag Petrosian magnitude in z band (petroMag_z) (phot.mag;em.opt.I)
e_zPmag 0.668 mag Mean error on zPmag (petroMagErr_z) (stat.error;phot.mag)
zPrad 3.77 arcsec Petrosian radius in z band (petroMagErr_z) (phys.angSize;src)
e_zPrad 2.61 arcsec Mean error in zPrad (petroMagErr_z) (stat.error)
zoRA 0.06 arcsec Offset of z position along RA (offsetRa_z) (pos.angDistance)
zoDE 0.03 arcsec Offset of z position along Dec (offsetDec_z) (pos.angDistance)
zisoA 12.29 arcsec Isophotal major diameter in z band (isoA_z) (phys.angSize)
zisoB 3.22 arcsec Isophotal minor diameter in z band (isoB_z) (phys.angSize)
zPA 42.1 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_ICRS245.400119 deg (i) Right Ascension of the object (ICRS) (ra) (pos.eq.ra;meta.main)
DE_ICRS+47.807433 deg (i) Declination of the object (ICRS) (dec) (pos.eq.dec;meta.main)
ObsDate2000.2611 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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