VizieR

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

VizieR

  
J/ApJ/746/54
  Chandra X-ray observations of SDSS-DR5 QSOs (Gibson+, 2012)
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2012ApJ...746...54G
Similar Catalogs
Post annotation 		img(gal)
1.J/ApJ/746/54/table4Spectral model consisting of a Galactic-absorbed power law absorbed by one absorption edge (87 rows)

Simple ConstraintList Of Constraints
 
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. ((unassigned);phys.veloc.orbital;arith.diff;phys.veloc)
  SDSS (char) SDSS name (HHMMSS.ss+DDMMSS.s; J2000) ((unassigned);(unassigned);(unassigned);spect.line.veloc;arith)
  ObsId   [580/9876] Observation ID number ((unassigned);(unassigned);(unassigned);spect.line.veloc;stat.median)
  Norm   [1.17/44.1] Normalization at 1keV in units of 10–5photon/keV/cm2/s ((unassigned);phys.veloc.orbital;arith.diff;pos.bodyrc.lon;meta.main)
  E_Norm   [0.0616/2.47] Positive uncertainty on Norm ((unassigned);phys.veloc.orbital;arith.diff;time.age;pos.phaseAng;meta.main)
  e_Norm   [0.0553/1.71] Negative uncertainty on Norm ((unassigned);phys.veloc.orbital;arith.diff;time.age;meta.main)
  Gamma   [0.087/2.899] Photon index {Gamma} ((unassigned);(unassigned);arith.factor;pos.eq.dec;phys.abund.Y;meta.main)
  E_Gamma   [0.024/0.354] Positive uncertainty on Gamma ((unassigned);(unassigned);(unassigned);time.age;pos.phaseAng;meta.main)
  e_Gamma   [0.024/0.222] Negative uncertainty on Gamma ((unassigned);phys.veloc.orbital;arith.diff;time.age;meta.main)
  tau   [0/3.431] Edge optical depth ({tau}) ((unassigned);phys.veloc.orbital;arith.diff;phys.particle.alpha)
  E_tau   [0.014/3.163] Positive uncertainty on tau ((unassigned);phys.veloc.orbital;arith.diff;time.age;pos.phaseAng;meta.main)
  e_tau   [0/1.837] Negative uncertainty on tau ((unassigned);(unassigned);(unassigned);time.age;meta.main)

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