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J/ApJ/608/781
  NGC 6530 Chandra X-ray catalog (Damiani+, 2004)
ReadMe+ftp
2004ApJ...608..781D
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Post annotation 		img(gal)
1.J/ApJ/608/781/table1NGC 6530 X-Ray Source Properties and Identifications (901 rows)

Simple ConstraintList Of Constraints
 
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)
  [DFM2004]  X-ray running number
  RAJ2000 "h:m:s" Hour of Right Ascension (J2000.0)
  DEJ2000 "d:m:s" Degree of Declination (J2000.0)
  e_Pos arcsec Position error
  CRate ct/ks Count rate
  e_CRate ct/ks Uncertainty in CRate
  PK-S  Kolmogorov-Smirnov test probability X-ray source is constant
  HR1  (n) First hardness ratio (Note 1)   
  HR2  Second hardness ratio (Note 2)   
  SCB  (n) Sung et al. (2000, Cat. J/AJ/120/333) number (Cl* NGC 6530 SCB NNNN in Simbad)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  OffX-O arcsec (n) X-ray and SCB optical positions offset
  Vmag mag (n) SCB V band magnitude
  V-I mag (n) SCB (V-I) color
  B-V mag (n) SCB (B-V) color
  2MASS (char) The 2MASS (Cat. II/246) designation
  OffX-IR arcsec (n) X-ray and 2MASS positions offset
  Jmag mag (n) 2MASS J band magnitude
  Hmag mag (n) 2MASS H band magnitude
  Kmag mag (n) 2MASS K band magnitude

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