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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 detections in the σ Ori cluster (Caballero+, 2010)
Post annotation
1.J/A+A/521/A45/tablec1HRC-I/Chandra X-ray detections with significance over 5.1. (107 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)
  Seq  (i) [1/107] Sequential number (;meta.main)
  n_Seq (char) O indicates optical/near-IR counterpart in tablec2 (meta.ref.url)
  RAJ2000 "h:m:s" (i) Right ascension (J2000) (pos.eq.ra;meta.main)
  DEJ2000 "d:m:s" (i) Declination (J2000) (pos.eq.dec;meta.main)
  e_Pos arcsec Position error (stat.error)
  Signi  Significance of detection (;instr.saturation)
  Offaxis arcmin Angular separation to the centre of field of view (instr.offset;instr.fov)
  CR ct/ks Count rate (phot.count;em.X-ray)
  e_CR ct/ks rms uncertainty on CR (stat.error)
  Flux 10-17W/m2Apparent X-ray flux (10–14erg/cm2/s) (phot.flux;em.X-ray)
  NX  (n) Source number in Franciosini et al, 2006, Cat. J/A+A/446/501, <[FPS2006] NX NNN> in Simbad (
  n_NX (char) [)<] Uncertain or non-detection (Note 1)   (meta.note)
  CXO  (n) Source number in Skinner et al. 2008ApJ...683..796S, <[SSC2008] NN> in Simbad (

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