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VizieR

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J/MNRAS/396/223/qsos QSO candidates selection in VO era (D'Abrusco+, 2009)
QSO candidates in the SDSS stripes examined (1795473 rows)
  recno=944763
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ColumnValue  Explain   (UCD)
_RAJ200009 02 42.5424 "h:m:s" Right ascension (FK5, Equinox=J2000.0) (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.eq.ra)
_DEJ2000+30 23 04.560 "d:m:s" Declination (FK5, Equinox=J2000.0) (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.eq.dec)
_RAB195008 59 41.1366 "h:m:s" Right ascension (FK4, Equinox=B1950.0) (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.eq.ra)
_DEB1950+30 34 56.675 "d:m:s" Declination (FK4, Equinox=B1950.0) (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.eq.dec)
_Glon194.8308245 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+40.2957385 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)
944763recno 944763  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

Seq7619770  Candidate ID (meta.id)
RAJ2000135.67726 deg (i) Right ascension in decimal degrees (J2000) (pos.eq.ra;meta.main)
DEJ2000+30.38460 deg (i) Declination in decimal degrees (J2000) (pos.eq.dec;meta.main)
umag18.879 mag PSF magnitude in SDSS/u' band (phot.mag;em.opt.U)
gmag18.483 mag PSF magnitude in SDSS/g' band (phot.mag;em.opt.B)
rmag18.588 mag PSF magnitude in SDSS/r' band (phot.mag;em.opt.R)
imag18.359 mag PSF magnitude in SDSS/i' band (phot.mag;em.opt.I)
zmag18.497 mag PSF magnitude in SDSS/z' band (phot.mag;em.opt.I)
cl 2   [1,10] Cluster index (generation number of 'goal-successful' cluster) (meta.id;stat.fit)
Stripe10   [9,86] SDSS Stripe number (obs.field)

DR7DR7  Details from the SDSS-DR7 Photometric Catalog (Cat. II/294) (meta.ref.url)
SloanSloan  Display the SDSS data for this quasar (meta.ref.url)
  
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