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)
ReadMe+ftp
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. (meta.record)
  SDSS (char) SDSS name (HHMMSS.ss+DDMMSS.s; J2000) (meta.id;meta.main)
  ObsId   [580/9876] Observation ID number (meta.id;obs)
  Norm   [1.17/44.1] Normalization at 1keV in units of 10–5photon/keV/cm2/s (stat.fit.param)
  E_Norm   [0.0616/2.47] Positive uncertainty on Norm (stat.error;stat.max)
  e_Norm   [0.0553/1.71] Negative uncertainty on Norm (stat.error)
  Gamma   [0.087/2.899] Photon index Γ (meta.code;spect.index)
  E_Gamma   [0.024/0.354] Positive uncertainty on Gamma (stat.error;stat.max)
  e_Gamma   [0.024/0.222] Negative uncertainty on Gamma (stat.error)
  tau   [0/3.431] Edge optical depth (τ) (phys.absorption.opticalDepth)
  E_tau   [0.014/3.163] Positive uncertainty on tau (stat.error;stat.max)
  e_tau   [0/1.837] Negative uncertainty on tau (stat.error)

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