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Simple TargetList Of TargetsFast Xmatch with large catalogs or Simbad
Target Name (resolved by Sesame) or Position:
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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)
  (1)Cts ct [3/213] Net 0.3-7 keV band counts (phot.count;em.X-ray)
  (1)CXOU (char) Source name (HHMMSS.s+DDMMSS; J2000) (;meta.main)
  (1)DEJ2000 deg (i) Declination; decimal degrees (J2000) (Note 4)   (pos.eq.dec;meta.main)
  (1)E50 keV (n) [0.8/3.3] Median 0.3-7keV band energy (Note 7)   (
  (1)e_Cts ct Uncertainty in Cts (stat.error)
  (1)e_E50 keV (n) Uncertainty in E50 (stat.error)
  (1)f_Cts (char) [bc] Unreliable flux (Note 5)   (meta.code)
   (ALL)f_Seq (char) [*] Limit of detection (Note 3)   (meta.code)
  (1)FX 10-19W/m2 [4/318] Unabsorbed 0.3-7keV flux (Note 6)   (phot.flux;em.X-ray)
  (1)Loc (char) Inside/Outside source location (Note 1)   (meta.note)
  (1)O (char) Display the optical counterpart properties (table 2) (meta.ref.url)

ALL cols
(n) indicates a possible blank or NULL column(i)indexed column
  (1)Offset arcmin [0.3/8] Angular offset from cluster center (pos.angDistance;arith.diff)
  (1)r95 arcsec [0.3/4] The 95% positional uncertainty radius (stat.error)
  (1)RAJ2000 deg (i) Right Ascension; decimal degrees (J2000) (Note 4)   (pos.eq.ra;meta.main)
  (ALL)recno  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
   (ALL)Seq  (i) [1/86] Source number (Note 2)   (
  (2)B-V mag (n) B-V color index (Note 6)   (phot.color;em.opt.B;em.opt.V)
  (2)Class (char) Source class (Note 9)   (src.class)
  (2)Comm (char) Comments (Note 10)   (meta.note)
  (2)dOX arcsec [0/3] Angular separation between the X-ray and optical source after correcting for boresight (pos.angDistance)
  (2)e_FX/FV  (n) [0.03/0.3] FX/FV uncertainty (stat.error;phys.abund)
  (2)f_Vmag (char) [:b] Uncertain or previoulsy unknown (Note 7)   (meta.code)
  (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)l_FX/FV (char) Limit flag on FX/FV (meta.code.error;phys.abund)

ALL cols
(n) indicates a possible blank or NULL column(i)indexed column
  (2)LX [10-7W] (n) [1/53] Unabsorbed X-ray (0.3-7keV) luminosity (Note 8)   (phys.luminosity;em.X-ray)
  (2)Mm (char) Group membership (Note 1)   (meta.code.member)
  (2)n_Per (char) [s] another period value is 23.947 (meta.note)
  (2)OID  (n) [553/15561] Number of candidate optical counterpart in the S03 catalog (Note 3)   (
  (2)Opt (char) Spectroscopic properties of the candidate optical counterpart (meta.note)
  (2)p (char) Membership probability from HST/ACS (Note 5)   (meta.code.member)
  (2)Per d (n) [0.2/50.5] Period of variability (time.period)
  (2)pmu  (n) [0/99] Probability for cluster membership (Note 4)   (
  (2)u_B-V (char) B-V uncertainty flag (meta.code.error;phot.color;em.opt.B)
  (2)u_FX/FV (char) Uncertainty flag on FX/FV (meta.code.error;phys.abund)
  (2)u_V-I (char) Uncertainty flag on V-I (meta.code.error;phot.color;em.opt.V)
  (2)Var (char) Name of the associated optical variable (
  (2)V-I mag (n) V-I color index (Note 6)   (phot.color;em.opt.V;em.opt.I)
  (2)Vmag mag (n) [11.5/28.5] V-band magnitude (Note 6)   (phot.mag;em.opt.V)

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