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J/ApJ/609/735
  M31 Chandra X-ray sources (Williams+, 2004)
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img(gal)
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)

 
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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)
  (1)ObsID  Observation identification number
  (1)ObsDate "Y:M:D" (n)Date of observation
  (1)Epoch  Observation epoch number
  (1+2)RAJ2000 "h:m:s" Hour of Right Ascension (J2000)
  (1+2)DEJ2000 "d:m:s" Degree of Declination (J2000)
  (1)ExpTime s Exposure time
  (2)[KGP2002] (char) Object identification (Note 1)   
  (2)Cts ct Total counts in the detection
  (2)S/N  Wavdetect measured signal-to-noise
  (2)Lum 10+29W Mean luminosity in units of 10+36erg/s (Note 2)   

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
  (2)e_Lum 10+29W Uncertainty in Lum
  (2)chi2  The χ2ν of the fit (Note 3)   
   (2+3)Rem (char) Indicates a note detailed in files notes.dat
  (2)Type (char) Object type (Note 5)   
  (2)CP (char) Counterpart found at other wavelengths or X-ray surveys (Note 4)   
  (3)Text (char) Note and reference

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