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II/306/sdss8 The SDSS Photometric Catalog, Release 8 (Adelman-McCarthy+, 2011)
Data Release 8 (469,053,874 primary sources, plus 324,960,076 secondary sources). Notice that the new reductions used for the SDSS-DR8 introduced some errors in the astrometry, especially at declinations δ≥41°; when possible, the astrometry of the SDSS-DR7 (Cat. II/294) should be preferred. (324960076 rows)
  objID=1237666382113407284
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Note: SDSS is also available from http://www.sdss.org/

ColumnValue  Explain   (UCD)
_RAJ200022 43 21.56088 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000-00 06 53.8992 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195022 40 47.68622 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950-00 22 38.6014 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon068.90413560 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-49.06946522 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)

mode2   [1,2] 1: primary (469,053,874 sources), 2: secondary (324,960,076 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 object (3=galaxy, 6=star) (Note 1)   (src.class)

SDSS8J224321.56-000653.9  (i) SDSS-DR8 name, based on J2000 position (meta.id)
m_SDSS8*   [*] The asterisk indicates that 2 different SDSS objects share the same SDSS8 name (meta.code.multip)
ImIm  Image from SDSS-serveur (meta.ref.url)

R8   [8] Release inclusion (all observations were reprocessed, value is always 8) (meta.note)
SDSS-ID4868-301-3-0080-0308   [0-9-] SDSS object identifier (Note 2)   (meta.id)
objID1237666382113407284  (i) SDSS unique object identifier (2) (links to SDSS-DR8 details) (Note)   (meta.id;meta.main)
SpObjID 0  Pointer to the spectrum of object, or 0 (7) (Note)   (meta.id)
parentID1237666382113407282  Pointer to parent (if object deblended) (meta.id.parent)
flags00000080201010021210  Photo Object Attribute flags (Note 3)   (meta.code.error)
Status00000401  Hexadecimal status (Note 4)   (meta.code)
RA_ICRS340.839837 deg (i) Right Ascension of the object (ICRS) (ra) (pos.eq.ra;meta.main)
e_RA_ICRS 0.029 arcsec Mean error on RAdeg (raErr) (stat.error;pos.eq.ra)
DE_ICRS-00.114972 deg (i) Declination of the object (ICRS) (dec) (pos.eq.dec;meta.main)
e_DE_ICRS 0.023 arcsec Mean error on DEdeg (decErr) (stat.error;pos.eq.dec)
zsp    Spectroscopic redshift (when SpObjID>0) (Note 7)   (src.redshift)
e_zsp    Mean error on zsp (Note 7)   (stat.error)
umag22.851 mag (i) Model magnitude in u filter, AB scale (u) (Note 5)   (phot.mag;em.opt.U)
e_umag 0.469 mag Mean error on umag (err_u) (stat.error;phot.mag;em.opt.U)
gmag21.113 mag (i) Model magnitude in g filter, AB scale (g) (Note 5)   (phot.mag;em.opt.B)
e_gmag 0.044 mag Mean error on gmag (err_g) (stat.error;phot.mag;em.opt.B)
rmag20.641 mag (i) Model magnitude in r filter, AB scale (r) (Note 5)   (phot.mag;em.opt.R)
e_rmag 0.041 mag Mean error on rmag (err_r) (stat.error;phot.mag;em.opt.R)
imag20.555 mag (i) Model magnitude in i filter, AB scale (i) (Note 5)   (phot.mag;em.opt.I)
e_imag 0.046 mag Mean error on imag (err_i) (stat.error;phot.mag;em.opt.I)
zmag20.378 mag (i) Model magnitude in z filter, AB scale (z) (Note 5)   (phot.mag;em.opt.I)
e_zmag 0.152 mag Mean error on zmag (err_z) (stat.error;phot.mag;em.opt.I)
Q1  Quality of the observation (0=unknown): 1=bad 2=acceptable 3=good 4=missing 5=hole (Note 6)   (meta.code.qual;obs.param;obs)
ObsDate2004.7700 yr Mean Observation date (time.epoch;obs;stat.mean)
uFlags0000000000000000C011  Detection flags, u band (flags_u) (Note 3)   (meta.code)
us1   [0,1] 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)
uDate2004.7700 yr Date of observation in u band (Note 6)   (time.epoch)
u'mag22.851 mag Model magnitude in u filter (= umag) (Note 5)   (phot.mag;em.opt.U)
e_u'mag 0.469 mag Mean error on u'mag (= e_umag) (stat.error;phot.mag)
upmag22.862 mag PSF magnitude in u band (psfMag_u) (phot.mag;em.opt.U)
e_upmag 0.580 mag Mean error on upmag (psfMagErr_u) (stat.error;phot.mag)
uPmag24.005 mag Petrosian magnitude in u band (petroMag_u) (phot.mag;em.opt.U)
e_uPmag 6.896 mag Mean error on uPmag (petroMagErr_u) (stat.error;phot.mag)
uPrad 1.36 arcsec Petrosian radius in u band (petroRad_u) (phys.angSize;src)
e_uPrad 1.23 arcsec Mean error in uPrad (petroRadErr_u) (stat.error)
uoRA -0.02 arcsec Offset of u position along RA (offsetRa_u) (pos.angDistance)
uoDE -0.02 arcsec Offset of u position along Dec (offsetDec_u) (pos.angDistance)
udVrad 0.29 arcsec de Vaucouleurs fit radius, u band (deVRad_u) (phys.angSize;src)
udVell 0.950 arcsec de Vaucouleurs fit ellipt, u band (1-deVAB_u) (src.ellipticity)
uPA 46.0 deg Position angle of dVrad in u band (deVPhi_u) (pos.posAng)
gFlags00000000000010029010  Detection flags, g band (flags_g) (Note 3)   (meta.code)
gs1   [0,1] 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)
gDate2004.7700 yr Date of observation in g band (Note 6)   (time.epoch)
g'mag21.113 mag Model magnitude in g filter (= gmag) (Note 5)   (phot.mag;em.opt.B)
e_g'mag 0.044 mag Mean error on g'mag (= e_gmag) (stat.error;phot.mag;em.opt.B)
gpmag21.175 mag PSF magnitude in g band (psfMag_g) (phot.mag;em.opt.B)
e_gpmag 0.058 mag Mean error on gpmag (psfMagErr_g) (stat.error;phot.mag)
gPmag20.886 mag Petrosian magnitude in g band (petroMag_g) (phot.mag;em.opt.B)
e_gPmag 0.265 mag Mean error on gPmag (petroMagErr_g) (stat.error;phot.mag)
gPrad 1.67 arcsec Petrosian radius in g band (petroMagErr_g) (phys.angSize;src)
e_gPrad 0.23 arcsec Mean error in gPrad (petroMagErr_g) (stat.error)
goRA 0.04 arcsec Offset of g position along RA (offsetRa_g) (pos.angDistance)
goDE -0.08 arcsec Offset of g position along Dec (offsetDec_g) (pos.angDistance)
gdVrad 0.19 arcsec de Vaucouleurs fit radius, g band (deVRad_g) (phys.angSize;src)
gdVell 0.907 arcsec de Vaucouleurs fit ellipt, g band (1-deVAB_g) (src.ellipticity)
gPA 76.3 deg Position angle of dVrad in g band (deVPhi_g) (pos.posAng)
rFlags00000010000010029210  Detection flags, r band (flags_r) (Note 3)   (meta.code)
rs1   [0,1] 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)
rDate2004.7700 yr Date of observation in r band (Note 6)   (time.epoch)
r'mag20.641 mag Model magnitude in r filter (= rmag) (Note 5)   (phot.mag;em.opt.R)
e_r'mag 0.041 mag Mean error on r'mag (= e_rmag) (stat.error;phot.mag;em.opt.R)
rpmag20.718 mag PSF magnitude in r band (psfMag_r) (phot.mag;em.opt.R)
e_rpmag 0.058 mag Mean error on rpmag (psfMagErr_r) (stat.error;phot.mag)
rPmag20.465 mag Petrosian magnitude in r band (petroMag_r) (phot.mag;em.opt.R)
e_rPmag 0.562 mag Mean error on rPmag (petroMagErr_r) (stat.error;phot.mag)
rPrad 3.70 arcsec Petrosian radius in r band (petroMagErr_r) (phys.angSize;src)
e_rPrad 2.25 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)
rdVrad 0.24 arcsec de Vaucouleurs fit radius, r band (deVRad_r) (phys.angSize;src)
rdVell 0.950 arcsec de Vaucouleurs fit ellipt, r band (1-deVAB_r) (src.ellipticity)
rPA107.1 deg Position angle of dVrad in r band (deVPhi_r) (pos.posAng)
iFlags00000000000010008010  Detection flags, i band (flags_i) (Note 3)   (meta.code)
is1   [0,1] 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)
iDate2004.7700 yr Date of observation in i band (Note 6)   (time.epoch)
i'mag20.555 mag Model magnitude in i filter (= imag) (Note 5)   (phot.mag;em.opt.I)
e_i'mag 0.046 mag Mean error on i'mag (= e_imag) (stat.error;phot.mag;em.opt.I)
ipmag20.633 mag PSF magnitude in i band (psfMag_i) (phot.mag;em.opt.I)
e_ipmag 0.061 mag Mean error on ipmag (psfMagErr_i) (stat.error;phot.mag)
iPmag20.317 mag Petrosian magnitude in i band (petroMag_i) (phot.mag;em.opt.I)
e_iPmag 0.346 mag Mean error on iPmag (petroMagErr_i) (stat.error;phot.mag)
iPrad 1.13 arcsec Petrosian radius in i band (petroMagErr_i) (phys.angSize;src)
e_iPrad 0.10 arcsec Mean error in iPrad (petroMagErr_i) (stat.error)
ioRA -0.02 arcsec Offset of i position along RA (offsetRa_i) (pos.angDistance)
ioDE 0.01 arcsec Offset of i position along Dec (offsetDec_i) (pos.angDistance)
idVrad 0.00 arcsec de Vaucouleurs fit radius, i band (deVRad_i) (phys.angSize;src)
idVell 0.736 arcsec de Vaucouleurs fit ellipt, i band (1-deVAB_i) (src.ellipticity)
iPA 69.3 deg Position angle of dVrad in i band (deVPhi_i) (pos.posAng)
zFlags00000000004018008210  Detection flags, z band (flags_z) (Note 3)   (meta.code)
zs1   [0,1] 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)
zDate2004.7700 yr Date of observation in z band (Note 6)   (time.epoch)
z'mag20.378 mag Model magnitude in z filter (= zmag) (Note 5)   (phot.mag;em.opt.I)
e_z'mag 0.152 mag Mean error on z'mag (= e_zmag) (stat.error;phot.mag;em.opt.I)
zpmag20.427 mag PSF magnitude in z band (psfMag_z) (phot.mag;em.opt.I)
e_zpmag 0.161 mag Mean error on zpmag (psfMagErr_z) (stat.error;phot.mag)
zPmag20.466 mag Petrosian magnitude in z band (petroMag_z) (phot.mag;em.opt.I)
e_zPmag 1.010 mag Mean error on zPmag (petroMagErr_z) (stat.error;phot.mag)
zPrad 3.32 arcsec Petrosian radius in z band (petroMagErr_z) (phys.angSize;src)
e_zPrad 2.51 arcsec Mean error in zPrad (petroMagErr_z) (stat.error)
zoRA 0.03 arcsec Offset of z position along RA (offsetRa_z) (pos.angDistance)
zoDE -0.11 arcsec Offset of z position along Dec (offsetDec_z) (pos.angDistance)
zdVrad 0.08 arcsec de Vaucouleurs fit radius, z band (deVRad_z) (phys.angSize;src)
zdVell 0.723 arcsec de Vaucouleurs fit ellipt, z band (1-deVAB_z) (src.ellipticity)
zPA137.0 deg Position angle of dVrad in z band (deVPhi_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)
  
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