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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

  M31 Chandra X-ray sources (Williams+, 2004)
Post annotation
1.J/ApJ/609/735/table1(c)Summary of Chandra HRC-I observations (81 rows)
2.J/ApJ/609/735/table2(c)Luminosities, variability, other detections, references and object types for the X-ray sources (166 rows)
3.J/ApJ/609/735/notesNotes and references (31 rows)

Query by Constraints constraints help applied on Columns (Output Order: + - )
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Column  Constraint Explain   (UCD)
  (1+2)DEJ2000 "d:m:s" (i) Degree of Declination (J2000) (pos.eq.dec;meta.main)
  (1)Epoch  Observation epoch number
  (1)ExpTime s Exposure time
  (1)ObsDate "Y:M:D" (n)Date of observation
  (1)ObsID  Observation identification number
  (1+2)RAJ2000 "h:m:s" (i) Hour of Right Ascension (J2000) (pos.eq.ra;meta.main)
  (ALL)recno  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
  (2)chi2  The χ2ν of the fit (Note 3)   
  (2)CP (char) Counterpart found at other wavelengths or X-ray surveys (Note 4)   
  (2)Cts ct Total counts in the detection
  (2)e_Lum 10+29W Uncertainty in Lum

ALL cols
(n) indicates a possible blank or NULL column(i)indexed column
  (2)[KGP2002] (char) Object identification (Note 1)   
  (2)Lum 10+29W Mean luminosity in units of 10+36erg/s (Note 2)   
   (2+3)Rem (char) Indicates a note detailed in files notes.dat
  (2)S/N  Wavdetect measured signal-to-noise
  (2)Type (char) Object type (Note 5)   
  (3)Text (char) Note and reference

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