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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/549/441
  Chandra observations of Orion Trapezium (Schulz+, 2001)
ReadMe+ftp
2001ApJ...549..441S
Similar Catalogs
Post annotation 		img(gal)
1.J/ApJ/549/441/table1Source positions, count rates and identifications (111 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)
  [SCH2001] (char) Source designation (meta.id;meta.main)
  RAJ2000 "h:m:s" (i) Right ascension (J2000.0) (pos.eq.ra;meta.main)
  DEJ2000 "d:m:s" (i) Declination sign (J2000.0) (pos.eq.dec;meta.main)
  TotalCount ct Total counts (1999 October plus November) (phot.count;em.X-ray)
  CR10 10-3ct/s (n) October count rate (phot.count;em.X-ray)
  CR11 10-3ct/s (n) November count rate (phot.count;em.X-ray)
  Names (char) Identification (meta.id)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
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