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J/A+A/402/571
  X-ray study of NGC 2451 A and B. (Huensch+ 2003)
Post annotation
img(gal)
1.J/A+A/402/571/x-obsDetected X-ray sources (tables 3-6 of paper) (324 rows)
2.J/A+A/402/571/sources(c)Final list of X-ray sources identified with stars (tables 7-10 of paper) (150 rows)
3.J/A+A/402/571/notesIndividual notes (10 rows)

 
Query by Constraints constraints help applied on Columns (Output Order: + - )
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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+3)Obs (char) (i) [ABCH] Detection location (Note 1)   (meta.code;instr)
   (ALL)Xno  (i) X-ray source number (meta.id;meta.main)
  (1)CR ct/s X-ray count rate (phot.count;em.X-ray)
  (1)e_CR ct/s Mean error on CR (stat.error)
  (1)HR  (n) Hardness ratio (phot.flux;arith.ratio)
  (1)Xflux 10-16W/m2X-ray flux (in 10–13erg/cm2/s) (phot.flux;em.X-ray)
  (1)Xlum 10+23W (n) X-ray luminosity (Note 2)   (phys.luminosity;em.X-ray)
  (1)eDet (char) [h s UV] source is detected in the soft (s), hard (h) passband only, and also in UV (meta.code)
  (2)Mem (char) [ABnm] Member of NGC 2451A (A) or NGC 2451B (B), m=member n=non-member (meta.code.member)
  (2)Wno  (n) Williams number (meta.id.cross)

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
  (2)m_Wno (char) Multiplicity index on Wno (meta.code.multip)
  (2)RAJ2000 "h:m:s" (i) Right Ascension J2000 (hours) (pos.eq.ra;meta.main)
  (2)DEJ2000 "d:m:s" (i) Declination J2000 (degrees) (pos.eq.dec;meta.main)
  (2)Off arcsec Offset between X-ray and optical positions (pos.angDistance)
  (2)Vmag mag V magnitude (phot.mag;em.opt.V)
  (2)f_Vmag (char) [*] *: value from the literature (Note 2)   (meta.code.error)
  (2)B-V mag B-V color index (phot.color;em.opt.B;em.opt.V)
  (2)f_B-V (char) [*] *: value from the literature (Note 2)   (meta.code.error)
  (2)(B-V)0 mag De-reddened color index (phot.color;em.opt.B;em.opt.V)
  (2)Var (char) [X] X: significant variations in the X-ray flux (meta.code;src.var)
  (2)log(LX) [10+23W] (n) X-ray luminosity (phys.luminosity;em.X-ray)
  (2)log(LX/Lbol) [---] (n) Fraction of luminosity in X-ray (phys.luminosity;arith.ratio)
  (2)Sp (char) Spectral type, in parentheses when derived from color index (src.spType)
  (2)OptID (char) Optical identification (meta.id.cross)
  (2)n_Xno (char) [*] indicates a note detailed in notes.dat (meta.note)
  (3)Note (char) text of the note (meta.note)

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