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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=1611641
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ColumnValue  Explain   (UCD)
_RAJ200022 43 21.5592 "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)
_DEJ2000-00 06 53.892 "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)
_RAB195022 40 47.6845 "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)
_DEB1950-00 22 38.594 "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)
_Glon068.9041304 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-49.0694588 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)
1611641recno 1611641  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

Seq7622570  Candidate ID (meta.id)
RAJ2000340.83983 deg (i) Right ascension in decimal degrees (J2000) (pos.eq.ra;meta.main)
DEJ2000-00.11497 deg (i) Declination in decimal degrees (J2000) (pos.eq.dec;meta.main)
umag21.666 mag PSF magnitude in SDSS/u' band (phot.mag;em.opt.U)
gmag21.250 mag PSF magnitude in SDSS/g' band (phot.mag;em.opt.B)
rmag20.594 mag PSF magnitude in SDSS/r' band (phot.mag;em.opt.R)
imag20.485 mag PSF magnitude in SDSS/i' band (phot.mag;em.opt.I)
zmag20.352 mag PSF magnitude in SDSS/z' band (phot.mag;em.opt.I)
cl 9   [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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