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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===J220041.60+194000.0
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Note: SDSS is also available from http://www.sdss.org/

ColumnValue  Explain   (UCD)
_RAJ200022 00 41.60808 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000+19 40 00.0552 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195021 58 19.73749 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950+19 25 33.2059 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon076.86813702 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-27.55427611 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)
cl6  Type (class) of the object (type) (Note 1)   (src.class)
SDSSJ220041.60+194000.0  (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-ID4836.1.178.0419   [ 0-9.] SDSS object identifier (Note 2)   (meta.id)
objID758877308222308771  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)
parentID758877308222308768  Pointer to parent (if object deblended) (meta.id.parent)
rerun648   [40,651] Re-run number (Note 2)   (meta.code)
flags 401012020010  Photo Object Attribute flags (Note 3)   (meta.code.error)
Status00002673   [0-9A-F] Hexadecimal status (Note 4)   (meta.code)
e_RA_ICRS 0.184 arcsec Mean error on RAdeg (raErr) (stat.error;pos.eq.ra)
e_DE_ICRS 0.178 arcsec Mean error on DEdeg (decErr) (stat.error;pos.eq.dec)
ccPos 0.02  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)
umag21.738 mag (i) Model magnitude in u filter (u) (Note 5)   (phot.mag;em.opt.U)
e_umag 0.264 mag Mean error on umag (err_u) (stat.error;phot.mag;em.opt.U)
gmag21.650 mag (i) Model magnitude in g filter (g) (Note 5)   (phot.mag;em.opt.B)
e_gmag 0.124 mag Mean error on gmag (err_g) (stat.error;phot.mag;em.opt.B)
rmag22.244 mag (i) Model magnitude in r filter (r) (Note 5)   (phot.mag;em.opt.R)
e_rmag 0.224 mag Mean error on rmag (err_r) (stat.error;phot.mag;em.opt.R)
imag21.477 mag (i) Model magnitude in i filter (i) (Note 5)   (phot.mag;em.opt.I)
e_imag 0.172 mag Mean error on imag (err_i) (stat.error;phot.mag;em.opt.I)
zmag21.339 mag (i) Model magnitude in z filter (z) (Note 5)   (phot.mag;em.opt.I)
e_zmag 0.432 mag Mean error on zmag (err_z) (stat.error;phot.mag;em.opt.I)
uFlags 2028011  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)
uDate2004.7123 yr Date of observation in u band (Note 6)   (time.epoch)
u'mag21.738 mag Model magnitude in u filter (= umag) (Note 5)   (phot.mag;em.opt.U)
e_u'mag 0.264 mag Mean error on u'mag (= e_umag) (stat.error;phot.mag)
upmag21.705 mag PSF magnitude in u band (psfMag_u) (phot.mag;em.opt.U)
e_upmag 0.320 mag Mean error on upmag (psfMagErr_u) (stat.error;phot.mag)
uPmag22.128 mag Petrosian magnitude in u band (petroMag_u) (phot.mag;em.opt.U)
e_uPmag 0.724 mag Mean error on uPmag (petroMagErr_u) (stat.error;phot.mag)
uPrad 1.81 arcsec Petrosian radius in u band (petroRad_u) (phys.angSize;src)
e_uPrad 1.75 arcsec Mean error in uPrad (petroRadErr_u) (stat.error)
uoRA 0.35 arcsec Offset of u position along RA (offsetRa_u) (pos.angDistance)
uoDE 0.52 arcsec Offset of u position along Dec (offsetDec_u) (pos.angDistance)
uisoA 3.81 arcsec Isophotal major diameter in u band (isoA_u) (phys.angSize;em.opt.U)
uisoB 3.47 arcsec Isophotal minor diameter in u band (isoB_u) (phys.angSize;em.opt.U)
uPA 85.1 deg Position angle of uisoA in u band (isoPhi_u) (pos.posAng)
gFlags 12008010  Detection flags, g band (flags_g) (Note 3)   (meta.code)
gs1   [0,2] 0=notStar, 1=Star in g band (probPSF_g) (src.class.starGalaxy)
gc6   [0,9] Phototype in g band, 6=Star (type_g) (Note 1)   (src.class.starGalaxy)
gDate2004.7123 yr Date of observation in g band (Note 6)   (time.epoch)
g'mag21.650 mag Model magnitude in g filter (= gmag) (Note 5)   (phot.mag;em.opt.B)
e_g'mag 0.124 mag Mean error on g'mag (= e_gmag) (stat.error;phot.mag;em.opt.B)
gpmag21.687 mag PSF magnitude in g band (psfMag_g) (phot.mag;em.opt.B)
e_gpmag 0.184 mag Mean error on gpmag (psfMagErr_g) (stat.error;phot.mag)
gPmag21.945 mag Petrosian magnitude in g band (petroMag_g) (phot.mag;em.opt.B)
e_gPmag 0.621 mag Mean error on gPmag (petroMagErr_g) (stat.error;phot.mag)
gPrad 1.88 arcsec Petrosian radius in g band (petroMagErr_g) (phys.angSize;src)
e_gPrad 0.35 arcsec Mean error in gPrad (petroMagErr_g) (stat.error)
goRA 0.08 arcsec Offset of g position along RA (offsetRa_g) (pos.angDistance)
goDE 0.21 arcsec Offset of g position along Dec (offsetDec_g) (pos.angDistance)
gisoA 3.64 arcsec Isophotal major diameter in g band (isoA_g) (phys.angSize)
gisoB 3.52 arcsec Isophotal minor diameter in g band (isoB_g) (phys.angSize)
gPA 59.6 deg Position angle of gisoA in g band (isoPhi_g) (pos.posAng)
rFlags 10400012008011  Detection flags, r band (flags_r) (Note 3)   (meta.code)
rs1   [0,2] 0=notStar, 1=Star in r band (probPSF_r) (src.class.starGalaxy)
rc6   [0,9] Phototype in r band, 6=Star (type_r) (Note 1)   (src.class.starGalaxy)
rDate2004.7123 yr Date of observation in r band (Note 6)   (time.epoch)
r'mag22.244 mag Model magnitude in r filter (= rmag) (Note 5)   (phot.mag;em.opt.R)
e_r'mag 0.224 mag Mean error on r'mag (= e_rmag) (stat.error;phot.mag;em.opt.R)
rpmag22.320 mag PSF magnitude in r band (psfMag_r) (phot.mag;em.opt.R)
e_rpmag 0.402 mag Mean error on rpmag (psfMagErr_r) (stat.error;phot.mag)
rPmag22.464 mag Petrosian magnitude in r band (petroMag_r) (phot.mag;em.opt.R)
e_rPmag 0.991 mag Mean error on rPmag (petroMagErr_r) (stat.error;phot.mag)
rPrad 1.59 arcsec Petrosian radius in r band (petroMagErr_r) (phys.angSize;src)
e_rPrad 1.45 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 2.96 arcsec Isophotal major diameter in r band (isoA_r) (phys.angSize)
risoB 2.92 arcsec Isophotal minor diameter in r band (isoB_r) (phys.angSize)
rPA121.9 deg Position angle of risoA in r band (isoPhi_r) (pos.posAng)
iFlags 400012008011  Detection flags, i band (flags_i) (Note 3)   (meta.code)
is1   [0,2] 0=notStar, 1=Star in i band (probPSF_i) (src.class.starGalaxy)
ic6   [0,9] Phototype in i band, 6=Star (type_i) (Note 1)   (src.class.starGalaxy)
iDate2004.7123 yr Date of observation in i band (Note 6)   (time.epoch)
i'mag21.477 mag Model magnitude in i filter (= imag) (Note 5)   (phot.mag;em.opt.I)
e_i'mag 0.172 mag Mean error on i'mag (= e_imag) (stat.error;phot.mag;em.opt.I)
ipmag21.536 mag PSF magnitude in i band (psfMag_i) (phot.mag;em.opt.I)
e_ipmag 0.342 mag Mean error on ipmag (psfMagErr_i) (stat.error;phot.mag)
iPmag21.685 mag Petrosian magnitude in i band (petroMag_i) (phot.mag;em.opt.I)
e_iPmag 0.846 mag Mean error on iPmag (petroMagErr_i) (stat.error;phot.mag)
iPrad 1.80 arcsec Petrosian radius in i band (petroMagErr_i) (phys.angSize;src)
e_iPrad 1.66 arcsec Mean error in iPrad (petroMagErr_i) (stat.error)
ioRA 0.21 arcsec Offset of i position along RA (offsetRa_i) (pos.angDistance)
ioDE -0.05 arcsec Offset of i position along Dec (offsetDec_i) (pos.angDistance)
iisoA 3.87 arcsec Isophotal major diameter in i band (isoA_i) (phys.angSize)
iisoB 3.44 arcsec Isophotal minor diameter in i band (isoB_i) (phys.angSize)
iPA138.3 deg Position angle of iisoA in i band (isoPhi_i) (pos.posAng)
zFlags 2028011  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)
zDate2004.7123 yr Date of observation in z band (Note 6)   (time.epoch)
z'mag21.339 mag Model magnitude in z filter (= zmag) (Note 5)   (phot.mag;em.opt.I)
e_z'mag 0.432 mag Mean error on z'mag (= e_zmag) (stat.error;phot.mag;em.opt.I)
zpmag21.392 mag PSF magnitude in z band (psfMag_z) (phot.mag;em.opt.I)
e_zpmag 0.436 mag Mean error on zpmag (psfMagErr_z) (stat.error;phot.mag)
zPmag21.514 mag Petrosian magnitude in z band (petroMag_z) (phot.mag;em.opt.I)
e_zPmag 1.241 mag Mean error on zPmag (petroMagErr_z) (stat.error;phot.mag)
zPrad 1.34 arcsec Petrosian radius in z band (petroMagErr_z) (phys.angSize;src)
e_zPrad 1.23 arcsec Mean error in zPrad (petroMagErr_z) (stat.error)
zoRA 0.35 arcsec Offset of z position along RA (offsetRa_z) (pos.angDistance)
zoDE 0.52 arcsec Offset of z position along Dec (offsetDec_z) (pos.angDistance)
zisoA 3.65 arcsec Isophotal major diameter in z band (isoA_z) (phys.angSize)
zisoB 2.95 arcsec Isophotal minor diameter in z band (isoB_z) (phys.angSize)
zPA152.8 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_ICRS330.173367 deg (i) Right Ascension of the object (ICRS) (ra) (pos.eq.ra;meta.main)
DE_ICRS+19.666682 deg (i) Declination of the object (ICRS) (dec) (pos.eq.dec;meta.main)
ObsDate2004.7123 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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