VizieR

CfA VizieR . ADAC VizieR . Cambridge (UK) VizieR . IUCAA VizieR . INASAN VizieR .

VizieR

  
J/ApJ/450/51
  X-rays from large optical QSO sample (Green+ 1995)
Post annotation
  
1.J/ApJ/450/51/table1Raw data and luminosities of detected LBQS/RASS QSOs (908 rows)

 
Query by Constraints constraints help applied on Columns (Output Order: + - )
ShowSortColumn  Constraint Explain   (UCD)
  recno  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
  Name (char) Name of the LBQS QSO (meta.id;meta.main)
  z  Redshift (src.redshift)
  BJmag mag B_J magnitude (phot.mag;em.opt.B)
  A(B) mag Extinction (phys.absorption)
  NH 10+20cm-2Galactic hydrogen column density (phys.columnDensity)
  Csrc  RASS source counts (phot.count;em.X-ray)
  e_Csrc  Csrc uncertainty (stat.error)
  Cbkg  RASS source counts normalized to the source aperture area (phot.count;em.X-ray)
  e_Cbkg  CBkg uncertainty (stat.error)
  ExpTime s RASS exposure time (time.duration;obs.exposure)
  l_log(LX) (char) Lx limiting character (meta.code.error)
  log(LX) [10-7W] Logarithm of X-ray luminosity (phys.luminosity;em.X-ray)
  log(Lopt) [10-7W] Logarithm of optical luminosity (phys.luminosity)
  l_Alp(oX) (char) Alp(oX) limiting character (meta.code.error)
  Alp(oX)  Slope of a hypothetical power law connecting 250nm and 2 keV (stat.fit.param)
  Notes (char) Notes (Note)   (meta.note)

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