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  Chandra study of NGC 6791 (van den Berg+, 2013)
Post annotation
1.J/ApJ/770/98/table2Optical properties of candidate counterparts (60 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)
  Mm (char) Group membership (Note 1)   (meta.code.member)
  Seq   [1/86] Source number (as in table 1) (;meta.main)
  f_Seq (char) a: this source has another candidate counterpart (see table 3) (Note 2)   (meta.code)
  OID  (n) [553/15561] Number of candidate optical counterpart in the S03 catalog (Note 3)   (
  dOX arcsec [0/3] Angular separation between the X-ray and optical source after correcting for boresight (pos.angDistance)
  pmu  (n) [0/99] Probability for cluster membership (Note 4)   (
  p (char) Membership probability from HST/ACS (Note 5)   (meta.code.member)
  Vmag mag (n) [11.5/28.5] V-band magnitude (Note 6)   (phot.mag;em.opt.V)
  f_Vmag (char) [:b] Uncertain or previoulsy unknown (Note 7)   (meta.code)
  B-V mag (n) B-V color index (Note 6)   (phot.color;em.opt.B;em.opt.V)

ALL cols
(n) indicates a possible blank or NULL column(i)indexed column
  u_B-V (char) B-V uncertainty flag (meta.code.error;phot.color;em.opt.B)
  V-I mag (n) V-I color index (Note 6)   (phot.color;em.opt.V;em.opt.I)
  u_V-I (char) Uncertainty flag on V-I (meta.code.error;phot.color;em.opt.V)
  LX [10-7W] (n) [1/53] Unabsorbed X-ray (0.3-7keV) luminosity (Note 8)   (phys.luminosity;em.X-ray)
  l_FX/FV (char) Limit flag on FX/FV (meta.code.error;phys.abund)
  FX/FV   [-5.1/2.1] Ratio of X-ray (0.3-7keV) to V band fluxes after correcting for extinction (phot.flux;arith.ratio)
  u_FX/FV (char) Uncertainty flag on FX/FV (meta.code.error;phys.abund)
  e_FX/FV  (n) [0.03/0.3] FX/FV uncertainty (stat.error;phys.abund)
  Var (char) Name of the associated optical variable (
  Per d (n) [0.2/50.5] Period of variability (time.period)
  n_Per (char) [s] another period value is 23.947 (meta.note)
  Opt (char) Spectroscopic properties of the candidate optical counterpart (meta.note)
  Class (char) Source class (Note 9)   (src.class)
  Comm (char) Comments (Note 10)   (meta.note)

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