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VizieR

Simple TargetList Of TargetsFast Xmatch with large catalogs or Simbad
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J/A+A/430/287
  XMM observations of IC 2391 stars (Marino+, 2005)
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img(gal)
1.J/A+A/430/287/table1(c)XMM-Newton sources in the IC 2391 region, as detected in the combined EPIC image. (99 rows)
2.J/A+A/430/287/table2(c)X-ray and optical properties of IC 2391 members, and upper limits in the combined EPIC image. (42 rows)
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Query by Constraints constraints help applied on Columns (Output Order: + - )
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Column  Constraint Explain   (UCD)
  (ALL)recno  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
   (ALL)[MMP2005]  (i) Sequential number (meta.id;meta.main)
  (1)o (char) o indicates optical data detailed in table2 (meta.ref.url)
  (1)VRX/CTIO (char) VRX number or (CTIO) number (Note 1)   (meta.id)
   (ALL)RAJ2000 "h:m:s" (i) Right ascension (J2000.0) (pos.eq.ra;meta.main)
   (ALL)DEJ2000 "d:m:s" (i) Declination (J2000.0) (pos.eq.dec;meta.main)
  (1)Exp ks Exposure time (Note 2)   (time.duration;obs.exposure)
   (ALL)CR ct/ks Count Rate (Note 2)   (phot.count;em.X-ray)
  (1)e_CR ct/ks rms uncertainty on CR (Note 2)   (stat.error)
  (1)Signi  Probability level for the source to be a background fluctuation expressed in terms of a Gaussian-σ-equivalent. (stat.likelihood;obs)
  (1)HR  (n) Hardness ratio, (H-S)/(H+S) (Note 3)   (phot.flux;arith.ratio)

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
  (1)e_HR  (n) rms uncertainty on HR (stat.error)
  (2)Name (char) Name (Note 1)   (meta.id)
  (2)n_Name (char) [ab] Note on Name (Note 2)   (meta.note)
  (2)Flag (char) [?* #] Flag (Note 3)   (meta.code.error)
  (2)Vmag mag V or I magnitude (phot.mag;em.opt.V)
  (2)n_Vmag (char) [I] I: I magnitude in Vmag (meta.note)
  (2)B-V mag (n) B-V colour index (phot.color;em.opt.B;em.opt.V)
  (2)R-I mag (n) R-I colour index (phot.color;em.opt.R;em.opt.I)
  (2)V-I mag (n) V-I colour index (phot.color;em.opt.V;em.opt.I)
  (2)l_CR (char) Limit flag on CR (meta.code.error)
  (2)l_K-S (char) [< ≥] Limit flag on K-S (meta.code.error)
  (2)K-S % (n) Kolmogorov-Smirnov test results (Note 4)   (stat.fit.goodness;src.var)
  (2)K-Su  (n) Upper limit of K-S interval (Note 4)   (stat.fit.goodness;src.var)
  (2)l_logLX (char) Limit flag on logLX (meta.code.error)
  (2)logLX [10-7W] X-ray luminosity (phys.luminosity;em.X-ray)

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