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VizieR

Simple TargetList Of TargetsFast Xmatch with large catalogs or Simbad
Target Name (resolved by Sesame) or Position:

  
Target dimension:

Radius Box size

  
IX/22
 Einstein extended deep survey (Primini+, 1991)
Post annotation
img(gal)
1.IX/22/hfieldEDS Field Parameters for HRI Observations (34 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)
  Hseqno  HRI Sequence Number (Note G1)   (meta.id)
  ontime s Exposure Time (time.expo)
  globk ct Background in 12"x12" detect cell (in 9' circle) (phot.count;em.X-ray)
  detbk ct Background in 12"x12" detect cell (in 5' circle) (phot.count;em.X-ray)
  th12 ct Threshold counts for source detection (12"x12" cell) (phot.count;em.X-ray)
  th24 ct Threshold counts in 24"x24" cell (phot.count;em.X-ray)
  th36 ct Threshold counts in 36"x36" cell (phot.count;em.X-ray)
  th48 ct Threshold counts in 48"x48" cell (phot.count;em.X-ray)
  th72 ct Threshold counts in 72"x72" cell (phot.count;em.X-ray)
  th120 ct Threshold counts in 120"x120" cell (phot.count;em.X-ray)
  RAB1950 "h:m:s" Right Ascension (B1950) (Note 1)   (pos.eq.ra;meta.main)
  DEB1950 "d:m:s" Declination (B1950) (pos.eq.dec;meta.main)
  nroll deg Nominal Roll Angle (Note G2)   (instr.offset)
  _RA.icrs "h:m:s" (n)Right ascension (ICRS) (computed by VizieR, not part of the original data) (pos.eq.ra)
  _DE.icrs "d:m:s" (n)Declination (ICRS) (computed by VizieR, not part of the original data) (pos.eq.dec)

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