VizieR

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VizieR

Simple TargetList Of TargetsFast Xmatch with large catalogs or Simbad
Target Name (resolved by Sesame) or Position:
 Target dimension:
NB: The epoch used for the query is the original epoch of the table(s)Radius Box size

  
J/ApJ/461/127
  The Einstein Two-Sigma Catalog (Moran+ 1996)
ReadMe+ftp
1996ApJ...461..127M
Similar Catalogs
Post annotation 		img(gal)
1.J/ApJ/461/127/twosigmaThe 2-sigma catalog (46186 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)
  RA1950 "h:m:s" (i) RA (1950) of the source (pos.eq.ra;meta.main)
  DE1950 "d:m:s" (i) 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)

ALL cols		    
 (i)indexed column
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usage  Display UCD1+    UCD1  
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