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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

  Chandra observation of M67 (Van Den Berg+, 2004)
Post annotation
1.J/A+A/418/509/table1Catalogue of Chandra sources in the field of M67 (158 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)
  CX  (i) Chandra source identification (;meta.main)
  T4 (char) indicates the source is mentioned in table4 (meta.ref.url)
  Sig (char) Indicator of significance of detection (Note 1)   (meta.code)
  Daim arcmin Distance from the telescope aimpoint (phys.veloc.ang)
  RAJ2000 "h:m:s" (i) Right ascension (J2000) (Note 2)   (pos.eq.ra;meta.main)
  e_RAs s Error in right ascension (Note 2)   (stat.error;pos.eq.ra)
  DEJ2000 "d:m:s" (i) Declination (J2000) (2) (pos.eq.dec;meta.main)
  e_DEs arcsec Error in declination (Note 2)   (stat.error;pos.eq.dec)
  CRateb ct Background-corrected counts between 0.3-7keV (phot.count;em.X-ray)
  e_CRateb ct Error in background-corrected counts (stat.error)
  CRate ct/ks Net count-rate between 0.3-7keV (Note 3)   (phot.count;em.X-ray)
  B (char) [SHT] Energy band of most significant detection (Note 4)   (instr.bandpass)
  HR  (n) Hardness ratio (Note 5)   (phot.flux;arith.ratio)
  e_HR  (n) Error in hardness ratio (stat.error)
  X  (n) (Candidate) ROSAT counterpart in Belloni et al. (1998A&A...339..431B), [BVM98] M 67 NN in Simbad (
  Opt (char) (Candidate) optical counterpart (Note 6)   (
  n_CX (char) Notes on individual sources, detailed in notes.dat file (meta.note)
  dXO arcsec (n) Distance between Chandra and optical source (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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