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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

  Chandra study of NGC 6791 (van den Berg+, 2013)
Post annotation
1.J/ApJ/770/98/table1(c)Chandra sources within 8' of the center of NGC 6791 (86 rows)
2.J/ApJ/770/98/table2Optical properties of candidate counterparts (60 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)Loc (char) Inside/Outside source location (Note 1)   (meta.note)
   (ALL)Seq  (i) [1/86] Source number (Note 2)   (
   (ALL)f_Seq (char) [*] Limit of detection (Note 3)   (meta.code)
  (1)O (char) Display the optical counterpart properties (table 2) (meta.ref.url)
  (1)CXOU (char) Source name (HHMMSS.s+DDMMSS; J2000) (;meta.main)
  (1)RAJ2000 deg (i) Right Ascension; decimal degrees (J2000) (Note 4)   (pos.eq.ra;meta.main)
  (1)DEJ2000 deg (i) Declination; decimal degrees (J2000) (Note 4)   (pos.eq.dec;meta.main)
  (1)r95 arcsec [0.3/4] The 95% positional uncertainty radius (stat.error)
  (1)Offset arcmin [0.3/8] Angular offset from cluster center (pos.angDistance;arith.diff)
  (1)Cts ct [3/213] Net 0.3-7 keV band counts (phot.count;em.X-ray)

ALL cols
 (i)indexed column
  (1)e_Cts ct Uncertainty in Cts (stat.error)
  (1)f_Cts (char) [bc] Unreliable flux (Note 5)   (meta.code)
  (1)FX 10-19W/m2 [4/318] Unabsorbed 0.3-7keV flux (Note 6)   (phot.flux;em.X-ray)
  (1)E50 keV (n) [0.8/3.3] Median 0.3-7keV band energy (Note 7)   (
  (1)e_E50 keV (n) Uncertainty in E50 (stat.error)
  (2)Mm (char) Group membership (Note 1)   (meta.code.member)
  (2)OID  (n) [553/15561] Number of candidate optical counterpart in the S03 catalog (Note 3)   (
  (2)dOX arcsec [0/3] Angular separation between the X-ray and optical source after correcting for boresight (pos.angDistance)
  (2)pmu  (n) [0/99] Probability for cluster membership (Note 4)   (
  (2)p (char) Membership probability from HST/ACS (Note 5)   (meta.code.member)
  (2)Vmag mag (n) [11.5/28.5] V-band magnitude (Note 6)   (phot.mag;em.opt.V)
  (2)f_Vmag (char) [:b] Uncertain or previoulsy unknown (Note 7)   (meta.code)
  (2)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
  (2)u_B-V (char) B-V uncertainty flag (meta.code.error;phot.color;em.opt.B)
  (2)V-I mag (n) V-I color index (Note 6)   (phot.color;em.opt.V;em.opt.I)
  (2)u_V-I (char) Uncertainty flag on V-I (meta.code.error;phot.color;em.opt.V)
  (2)LX [10-7W] (n) [1/53] Unabsorbed X-ray (0.3-7keV) luminosity (Note 8)   (phys.luminosity;em.X-ray)
  (2)l_FX/FV (char) Limit flag on FX/FV (meta.code.error;phys.abund)
  (2)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)
  (2)u_FX/FV (char) Uncertainty flag on FX/FV (meta.code.error;phys.abund)
  (2)e_FX/FV  (n) [0.03/0.3] FX/FV uncertainty (stat.error;phys.abund)
  (2)Var (char) Name of the associated optical variable (
  (2)Per d (n) [0.2/50.5] Period of variability (time.period)
  (2)n_Per (char) [s] another period value is 23.947 (meta.note)
  (2)Opt (char) Spectroscopic properties of the candidate optical counterpart (meta.note)
  (2)Class (char) Source class (Note 9)   (src.class)
  (2)Comm (char) Comments (Note 10)   (meta.note)

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