VizieR

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CDS

VizieR

  
J/ApJS/95/1
  Atlas of Quasar Energy Distributions (Elvis+ 1994)
ReadMe+ftp
1994ApJS...95....1E
Similar Catalogs
Post annotation 		  
1.J/ApJS/95/1/table3bObservational details for new X-ray power-law fits (20 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)
  Name (char) Quasar name (meta.id;meta.main)
  Seq  Sequence number (meta.id)
  Date (char) Observation date (time.epoch)
  Exp s Exposure time (time.duration;obs.exposure)
  Gain  Gain (instr.param)
  PHA (char) PHA channels (meta.code)
  Counts  (n) Fit counts (stat.fit.chi2)
  Rate ct/s (n) Count rate (phot.count;em.X-ray)
  alpha  (n) Spectral index (spect.index)
  NH 10+20cm-2(n) Hydrogen column density (phys.columnDensity)
  ki2  (n) Ki2 (Note 1)   (stat.fit.chi2)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
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usage  Display UCD1+    UCD1  
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