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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

  X-ray and infra-red study of RCW 38 (Winston+, 2011)
Post annotation
1.J/ApJ/743/166/table2RCW 38: Chandra X-ray source photometry (536 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)
  IDX   [1/536] Chandra identification number (;meta.main)
  ir  (n)existence of IR counterparts in the Spitzer sources (r<1.5") (meta.number)
  RAJ2000 "h:m:s" (i) Hour of Right Ascension (J2000) (pos.eq.ra;meta.main)
  DEJ2000 "d:m:s" (i) Degree of Declination (J2000) (pos.eq.dec;meta.main)
  RCts ct/s Raw counts (phot.count;em.X-ray)
  NCts ct/s Net counts (Note 1)   (phot.count;em.X-ray)
  NH 10+22/cm2(n) HI column density (phys.columnDensity)
  e_NH 10+22/cm2(n) Uncertainty in NH (stat.error)
  kT keV (n) Energy (
  e_kT keV (n) Uncertainty in kT (stat.error;
  Fabs mW/m2 (n) Absorbed flux; in erg/cm2/s (phot.flux;em.X-ray)
  Ftot mW/m2 (n) Total unabsorbed flux; in erg/cm2/s (phot.flux;em.X-ray)
  chi2  (n) Model χ2 (
  Simbad  ask the Simbad data-base about this object (meta.ref.url)

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