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  ROSAT observations of BL Lacertae objects (lamer+ 1996)
Post annotation
1.J/A+A/311/384/table2List of PSPC observations (73 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) Object name (;meta.main)
  ROR  ROSAT observation request (ROR) number (;obs)
  n_ROR (char) [-] '-' when two ROR numbers (meta.note)
  ROR2   Second ROR number (
  Date (char) Completed date (time.epoch)
  Exp s Exposition time (time.duration;obs.exposure)
  Counts  Net counts (phot.count;em.X-ray)
  e_Counts   rms uncertainty on Counts (stat.error)

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