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J/ApJ/461/127
 The Einstein Two-Sigma Catalog (Moran+ 1996)
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1.J/ApJ/461/127/twosigmaThe 2-sigma catalog (46186 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)
  RA1950 "h:m:s" RA (1950) of the source (pos.eq.ra;meta.main)
  DE1950 "d:m:s" Dec (1950) of the source (pos.eq.dec;meta.main)
  S/N  Signal-to-noise ratio of the source (Note)   (stat.snr)
  IPCSEQ  IPC Sequence number containing the source (meta.id;meta.main)
  cnts125 arcmin-2 Number of background-subtracted counts collected within a 1.25 arcmin radius circular aperture (Note)   (instr.background)
  cnts20 arcmin-2 Number of background-subtracted counts collected within a 2.0 arcmin radius circular aperture (Note)   (instr.background)
  exp125 s flatfield-weighted exposure time for the source in the 1.25 arcmin radius aperture (Note)   (time.duration;obs.exposure)
  exp20 s flatfield-weighted exposure time for the source in the 2.0 arcmin radius aperture (Note)   (time.duration;obs.exposure)
  N125  Number of "good" pixels used for count in the 1.25 arcmin radius aperture (Note)   (meta.number)
  N20  Number of "good" pixels used for count in the 2.0 arcmin radius aperture (Note)   (meta.number)
  Nbg  Number of "good" pixels used for the background count in the concentric 3-6 arcmin radius annulus (Note)   (meta.number)

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