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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===J230728.75+210804.1
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Note: SDSS is also available from http://www.sdss.org/

ColumnValue  Explain   (UCD)
_RAJ200023 07 28.74936 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+21 08 04.1028 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195023 05 00.94014 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+20 51 49.3734 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon092.76448818 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-35.57498151 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)
SDSSJ230728.75+210804.1  (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-ID6354.1.187.0021   [ 0-9.] SDSS object identifier (Note 2)   (meta.id)
objID758883827983253525  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 1F800120E105C  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)
umag11.591 mag (i) Model magnitude in u filter (u) (Note 5)   (phot.mag;em.opt.U)
e_umag 0.007 mag Mean error on umag (err_u) (stat.error;phot.mag;em.opt.U)
gmag10.984 mag (i) Model magnitude in g filter (g) (Note 5)   (phot.mag;em.opt.B)
e_gmag 0.007 mag Mean error on gmag (err_g) (stat.error;phot.mag;em.opt.B)
rmag10.881 mag (i) Model magnitude in r filter (r) (Note 5)   (phot.mag;em.opt.R)
e_rmag 0.007 mag Mean error on rmag (err_r) (stat.error;phot.mag;em.opt.R)
imag10.214 mag (i) Model magnitude in i filter (i) (Note 5)   (phot.mag;em.opt.I)
e_imag 0.002 mag Mean error on imag (err_i) (stat.error;phot.mag;em.opt.I)
zmag10.873 mag (i) Model magnitude in z filter (z) (Note 5)   (phot.mag;em.opt.I)
e_zmag 0.002 mag Mean error on zmag (err_z) (stat.error;phot.mag;em.opt.I)
uFlags 20C0001206903D  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)
uDate2006.7084 yr Date of observation in u band (Note 6)   (time.epoch)
u'mag11.591 mag Model magnitude in u filter (= umag) (Note 5)   (phot.mag;em.opt.U)
e_u'mag 0.007 mag Mean error on u'mag (= e_umag) (stat.error;phot.mag)
upmag15.565 mag PSF magnitude in u band (psfMag_u) (phot.mag;em.opt.U)
e_upmag 1.898 mag Mean error on upmag (psfMagErr_u) (stat.error;phot.mag)
uPmag10.901 mag Petrosian magnitude in u band (petroMag_u) (phot.mag;em.opt.U)
e_uPmag 0.038 mag Mean error on uPmag (petroMagErr_u) (stat.error;phot.mag)
uPrad 8.60 arcsec Petrosian radius in u band (petroRad_u) (phys.angSize;src)
e_uPrad 1.30 arcsec Mean error in uPrad (petroRadErr_u) (stat.error)
uoRA 0.41 arcsec Offset of u position along RA (offsetRa_u) (pos.angDistance)
uoDE 5.81 arcsec Offset of u position along Dec (offsetDec_u) (pos.angDistance)
uisoA 127.95 arcsec Isophotal major diameter in u band (isoA_u) (phys.angSize;em.opt.U)
uisoB 117.47 arcsec Isophotal minor diameter in u band (isoB_u) (phys.angSize;em.opt.U)
uPA 12.9 deg Position angle of uisoA in u band (isoPhi_u) (pos.posAng)
gFlags 5980120E901D  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'mag10.984 mag Model magnitude in g filter (= gmag) (Note 5)   (phot.mag;em.opt.B)
e_g'mag 0.007 mag Mean error on g'mag (= e_gmag) (stat.error;phot.mag;em.opt.B)
gpmag14.897 mag PSF magnitude in g band (psfMag_g) (phot.mag;em.opt.B)
e_gpmag 1.086 mag Mean error on gpmag (psfMagErr_g) (stat.error;phot.mag)
gPmag10.810 mag Petrosian magnitude in g band (petroMag_g) (phot.mag;em.opt.B)
e_gPmag 0.035 mag Mean error on gPmag (petroMagErr_g) (stat.error;phot.mag)
gPrad 15.37 arcsec Petrosian radius in g band (petroMagErr_g) (phys.angSize;src)
e_gPrad 1.86 arcsec Mean error in gPrad (petroMagErr_g) (stat.error)
goRA -0.65 arcsec Offset of g position along RA (offsetRa_g) (pos.angDistance)
goDE 0.31 arcsec Offset of g position along Dec (offsetDec_g) (pos.angDistance)
gisoA 137.89 arcsec Isophotal major diameter in g band (isoA_g) (phys.angSize)
gisoB 98.40 arcsec Isophotal minor diameter in g band (isoB_g) (phys.angSize)
gPA 5.4 deg Position angle of gisoA in g band (isoPhi_g) (pos.posAng)
rFlags 305980100E801D  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'mag10.881 mag Model magnitude in r filter (= rmag) (Note 5)   (phot.mag;em.opt.R)
e_r'mag 0.007 mag Mean error on r'mag (= e_rmag) (stat.error;phot.mag;em.opt.R)
rpmag15.128 mag PSF magnitude in r band (psfMag_r) (phot.mag;em.opt.R)
e_rpmag 1.086 mag Mean error on rpmag (psfMagErr_r) (stat.error;phot.mag)
rPmag10.736 mag Petrosian magnitude in r band (petroMag_r) (phot.mag;em.opt.R)
e_rPmag 0.036 mag Mean error on rPmag (petroMagErr_r) (stat.error;phot.mag)
rPrad 18.76 arcsec Petrosian radius in r band (petroMagErr_r) (phys.angSize;src)
e_rPrad 2.15 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 139.35 arcsec Isophotal major diameter in r band (isoA_r) (phys.angSize)
risoB 98.39 arcsec Isophotal minor diameter in r band (isoB_r) (phys.angSize)
rPA 3.0 deg Position angle of risoA in r band (isoPhi_r) (pos.posAng)
iFlags 404140100E801D  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'mag10.214 mag Model magnitude in i filter (= imag) (Note 5)   (phot.mag;em.opt.I)
e_i'mag 0.002 mag Mean error on i'mag (= e_imag) (stat.error;phot.mag;em.opt.I)
ipmag14.841 mag PSF magnitude in i band (psfMag_i) (phot.mag;em.opt.I)
e_ipmag 1.086 mag Mean error on ipmag (psfMagErr_i) (stat.error;phot.mag)
iPmag 9.816 mag Petrosian magnitude in i band (petroMag_i) (phot.mag;em.opt.I)
e_iPmag 0.027 mag Mean error on iPmag (petroMagErr_i) (stat.error;phot.mag)
iPrad 23.50 arcsec Petrosian radius in i band (petroMagErr_i) (phys.angSize;src)
e_iPrad 1.41 arcsec Mean error in iPrad (petroMagErr_i) (stat.error)
ioRA -0.31 arcsec Offset of i position along RA (offsetRa_i) (pos.angDistance)
ioDE 7.40 arcsec Offset of i position along Dec (offsetDec_i) (pos.angDistance)
iisoA 148.54 arcsec Isophotal major diameter in i band (isoA_i) (phys.angSize)
iisoB 104.47 arcsec Isophotal minor diameter in i band (isoB_i) (phys.angSize)
iPA173.2 deg Position angle of iisoA in i band (isoPhi_i) (pos.posAng)
zFlags 4408000100E801C  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)
zDate2006.7084 yr Date of observation in z band (Note 6)   (time.epoch)
z'mag10.873 mag Model magnitude in z filter (= zmag) (Note 5)   (phot.mag;em.opt.I)
e_z'mag 0.002 mag Mean error on z'mag (= e_zmag) (stat.error;phot.mag;em.opt.I)
zpmag14.935 mag PSF magnitude in z band (psfMag_z) (phot.mag;em.opt.I)
e_zpmag 0.401 mag Mean error on zpmag (psfMagErr_z) (stat.error;phot.mag)
zPmag 9.742 mag Petrosian magnitude in z band (petroMag_z) (phot.mag;em.opt.I)
e_zPmag 0.047 mag Mean error on zPmag (petroMagErr_z) (stat.error;phot.mag)
zPrad 6.29 arcsec Petrosian radius in z band (petroMagErr_z) (phys.angSize;src)
e_zPrad 0.53 arcsec Mean error in zPrad (petroMagErr_z) (stat.error)
zoRA 0.30 arcsec Offset of z position along RA (offsetRa_z) (pos.angDistance)
zoDE 5.91 arcsec Offset of z position along Dec (offsetDec_z) (pos.angDistance)
zisoA 138.51 arcsec Isophotal major diameter in z band (isoA_z) (phys.angSize)
zisoB 104.27 arcsec Isophotal minor diameter in z band (isoB_z) (phys.angSize)
zPA173.7 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_ICRS346.869789 deg (i) Right Ascension of the object (ICRS) (ra) (pos.eq.ra;meta.main)
DE_ICRS+21.134473 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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