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  Chandra X-ray observations of M81 (Swartz+, 2003)
Post annotation
1.J/ApJS/144/213/table3M81 Bright X-Ray Sources (33 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)
  [SGM2003]  Sequential number (;meta.main)
  NH 10+20cm-2Hydrogen column density (phys.columnDensity)
  e_NH 10+20cm-2rms uncertainty on NH (stat.error)
  Sp-Index  Spectral parameter (Note 1)   (spect.index)
  e_Sp-Index  rms uncertainty on SpPar (stat.error)
  chi2  chi2 value (
  DOF  Degrees of freedom (
  XLum 10+30W X-ray luminosity (phys.luminosity;em.X-ray)
  e_XLum 10+30W rms uncertainty on XLum (stat.error)
  PKS  Kolmogorov-Smirnov statistic result (Note 2)   (

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