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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/A+A/430/287
  XMM observations of IC 2391 stars (Marino+, 2005)
ReadMe+ftp
2005A&A...430..287M
Similar Catalogs
Post annotation 		img(gal)
1.J/A+A/430/287/table1XMM-Newton sources in the IC 2391 region, as detected in the combined EPIC image. (99 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)
  [MMP2005]  (i) Sequential number (meta.id;meta.main)
  o (char) o indicates optical data detailed in table2 (meta.ref.url)
  VRX/CTIO (char) VRX number or (CTIO) number (Note 1)   (meta.id)
  RAJ2000 "h:m:s" (i) Right ascension (J2000.0) (pos.eq.ra;meta.main)
  DEJ2000 "d:m:s" (i) Declination (J2000.0) (pos.eq.dec;meta.main)
  Exp ks Exposure time (Note 2)   (time.duration;obs.exposure)
  CR ct/ks Count Rate (Note 2)   (phot.count;em.X-ray)
  e_CR ct/ks rms uncertainty on CR (Note 2)   (stat.error)
  Signi  Probability level for the source to be a background fluctuation expressed in terms of a Gaussian-σ-equivalent. (stat.likelihood;obs)
  HR  (n) Hardness ratio, (H-S)/(H+S) (Note 3)   (phot.flux;arith.ratio)
  e_HR  (n) rms uncertainty on HR (stat.error)

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