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VizieR

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/423/1029
  XMM-Newton obs, in Cha I South (Stelzer+, 2004)
Post annotation
img(gal)
1.J/A+A/423/1029/table2X-ray sources detected in the EPIC observation of Cha I at ML>20. (58 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)
  n_XName (char) indicates that spectral data are detailed in table4 (meta.ref.url)
  XName (char) (i) Designation, XMM-Cha I-NN (meta.id;meta.main)
  Instr (char) Instrument (Note 1)   (meta.id;instr)
  RAJ2000 "h:m:s" (i) X-ray right ascension (J2000) (pos.eq.ra;meta.main)
  DEJ2000 "d:m:s" (i) X-ray declination (J2000) (pos.eq.dec;meta.main)
  ML  Maximum likelihood of source existence (stat.likelihood)
  Cts ct Number of broad band source counts (phot.count;em.X-ray)
  e_Cts ct rms uncertainty on Cts (stat.error)
  ExpTime s Exposition time (time.epoch)
  l_HR1 (char) Limit flag on HR1 (meta.code.error)
  HR1  (n) Hardness ratio, HR1 (Note 2)   (phot.flux;arith.ratio)
  e_HR1  (n) rms uncertainty on HR1 (stat.error)
  l_HR2 (char) Limit flag on HR2 (meta.code.error)
  HR2  (n) Hardness ratio, HR2 (Note 2)   (phot.flux;arith.ratio)
  e_HR2  (n) rms uncertainty on HR2 (stat.error)
  Name (char) Optical/IR counterpart (Note 3)   (meta.id)
  OffOX arcsec (n) Distance between the X-ray source and the counterpart (pos.angDistance)
  OffOX2 arcsec (n) Second offset between optical and X-ray positions (pos.angDistance)

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
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usage  Display UCD1+    UCD1  
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