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Simple TargetList Of TargetsFast Xmatch with large catalogs or Simbad
Target Name (resolved by Sesame) or Position:

Target dimension:

Radius Box size

  RASS young sources around R CrA (Neuhaeuser+, 2000)
Post annotation
1.J/A+AS/146/323/table3*Optical counterparts (Note) (93 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)
  [NWC2000]  Sequential number (
  RAJ2000 "h:m:s" (i) Optical right ascension (J2000) (pos.eq.ra;meta.main)
  DEJ2000 "d:m:s" (i) Optical declination (J2000) (pos.eq.dec;meta.main)
  Delta arcsec Offset between X-ray and optical position (pos;arith.diff)
  Vmag mag (n) V magnitude (phot.mag;em.opt.V)
  u_Vmag (char) Uncertainty flag on Vmag (meta.code.error)
  log(FX/FV)  (n) X-ray to optical flux ratio (phot.flux;arith.ratio)
  OptID (char) [pyzend] Nature on the counterpart (Note 1)   (
  Rem (char) Remarks (Note 2)   (meta.note)
  Note  (n) [1/2] Notes (Note 3)   (meta.note)

ALL cols
(n) indicates a possible blank or NULL column(i)indexed column
Adapt form
Display your selection only Reset to default columns
usage  Display UCD1+    UCD1  
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