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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===J230728.78+210803.2
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Note: SDSS is also available from http://www.sdss.org/

ColumnValue  Explain   (UCD)
_RAJ200023 07 28.78008 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+21 08 03.2928 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195023 05 00.97074 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+20 51 48.5629 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon092.76448435 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-35.57523620 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)
SDSSJ230728.78+210803.2  (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-ID6354.1.187.0045   [ 0-9.] SDSS object identifier (Note 2)   (meta.id)
objID758883827983253549  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 5F800100E105C  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)
umag11.462 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)
gmag10.918 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)
rmag10.841 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)
imag 9.647 mag (i) Model magnitude in i filter (i) (Note 5)   (phot.mag;em.opt.I)
e_imag 0.007 mag Mean error on imag (err_i) (stat.error;phot.mag;em.opt.I)
zmag11.366 mag (i) Model magnitude in z filter (z) (Note 5)   (phot.mag;em.opt.I)
e_zmag 0.008 mag Mean error on zmag (err_z) (stat.error;phot.mag;em.opt.I)
uFlags 2898001106901C  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'mag11.462 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)
upmag14.884 mag PSF magnitude in u band (psfMag_u) (phot.mag;em.opt.U)
e_upmag 0.394 mag Mean error on upmag (psfMagErr_u) (stat.error;phot.mag)
uPmag10.733 mag Petrosian magnitude in u band (petroMag_u) (phot.mag;em.opt.U)
e_uPmag 0.030 mag Mean error on uPmag (petroMagErr_u) (stat.error;phot.mag)
uPrad 8.24 arcsec Petrosian radius in u band (petroRad_u) (phys.angSize;src)
e_uPrad 0.44 arcsec Mean error in uPrad (petroRadErr_u) (stat.error)
uoRA 6.13 arcsec Offset of u position along RA (offsetRa_u) (pos.angDistance)
uoDE 1.02 arcsec Offset of u position along Dec (offsetDec_u) (pos.angDistance)
uisoA 172.90 arcsec Isophotal major diameter in u band (isoA_u) (phys.angSize;em.opt.U)
uisoB 163.58 arcsec Isophotal minor diameter in u band (isoB_u) (phys.angSize;em.opt.U)
uPA100.4 deg Position angle of uisoA in u band (isoPhi_u) (pos.posAng)
gFlags 281980110E901C  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'mag10.918 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)
gpmag15.651 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)
gPmag10.422 mag Petrosian magnitude in g band (petroMag_g) (phot.mag;em.opt.B)
e_gPmag 0.014 mag Mean error on gPmag (petroMagErr_g) (stat.error;phot.mag)
gPrad 15.76 arcsec Petrosian radius in g band (petroMagErr_g) (phys.angSize;src)
e_gPrad 2.68 arcsec Mean error in gPrad (petroMagErr_g) (stat.error)
goRA 6.12 arcsec Offset of g position along RA (offsetRa_g) (pos.angDistance)
goDE 1.29 arcsec Offset of g position along Dec (offsetDec_g) (pos.angDistance)
gisoA 208.58 arcsec Isophotal major diameter in g band (isoA_g) (phys.angSize)
gisoB 206.54 arcsec Isophotal minor diameter in g band (isoB_g) (phys.angSize)
gPA 43.5 deg Position angle of gisoA in g band (isoPhi_g) (pos.posAng)
rFlags 380180110E903C  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'mag10.841 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)
rpmag15.881 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)
rPmag10.295 mag Petrosian magnitude in r band (petroMag_r) (phot.mag;em.opt.R)
e_rPmag 0.015 mag Mean error on rPmag (petroMagErr_r) (stat.error;phot.mag)
rPrad 18.09 arcsec Petrosian radius in r band (petroMagErr_r) (phys.angSize;src)
e_rPrad 1.61 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 214.23 arcsec Isophotal major diameter in r band (isoA_r) (phys.angSize)
risoB 190.69 arcsec Isophotal minor diameter in r band (isoB_r) (phys.angSize)
rPA141.5 deg Position angle of risoA in r band (isoPhi_r) (pos.posAng)
iFlags 284100110E903D  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'mag 9.647 mag Model magnitude in i filter (= imag) (Note 5)   (phot.mag;em.opt.I)
e_i'mag 0.007 mag Mean error on i'mag (= e_imag) (stat.error;phot.mag;em.opt.I)
ipmag14.524 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 9.629 mag Petrosian magnitude in i band (petroMag_i) (phot.mag;em.opt.I)
e_iPmag 0.023 mag Mean error on iPmag (petroMagErr_i) (stat.error;phot.mag)
iPrad 24.45 arcsec Petrosian radius in i band (petroMagErr_i) (phys.angSize;src)
e_iPrad 1.04 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 208.76 arcsec Isophotal major diameter in i band (isoA_i) (phys.angSize)
iisoB 152.76 arcsec Isophotal minor diameter in i band (isoB_i) (phys.angSize)
iPA117.5 deg Position angle of iisoA in i band (isoPhi_i) (pos.posAng)
zFlags 4289800110E901C  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'mag11.366 mag Model magnitude in z filter (= zmag) (Note 5)   (phot.mag;em.opt.I)
e_z'mag 0.008 mag Mean error on z'mag (= e_zmag) (stat.error;phot.mag;em.opt.I)
zpmag13.500 mag PSF magnitude in z band (psfMag_z) (phot.mag;em.opt.I)
e_zpmag 0.068 mag Mean error on zpmag (psfMagErr_z) (stat.error;phot.mag)
zPmag 9.622 mag Petrosian magnitude in z band (petroMag_z) (phot.mag;em.opt.I)
e_zPmag 0.012 mag Mean error on zPmag (petroMagErr_z) (stat.error;phot.mag)
zPrad 6.49 arcsec Petrosian radius in z band (petroMagErr_z) (phys.angSize;src)
e_zPrad 0.21 arcsec Mean error in zPrad (petroMagErr_z) (stat.error)
zoRA 6.25 arcsec Offset of z position along RA (offsetRa_z) (pos.angDistance)
zoDE 0.91 arcsec Offset of z position along Dec (offsetDec_z) (pos.angDistance)
zisoA 187.40 arcsec Isophotal major diameter in z band (isoA_z) (phys.angSize)
zisoB 112.48 arcsec Isophotal minor diameter in z band (isoB_z) (phys.angSize)
zPA112.5 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_ICRS346.869917 deg (i) Right Ascension of the object (ICRS) (ra) (pos.eq.ra;meta.main)
DE_ICRS+21.134248 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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