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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

  ROSAT medium-sensitivity Galactic plane survey (Morley+, 2001)
Post annotation
1.J/MNRAS/326/1161/table4Possible optical and near-infrared counterparts to X-ray sources detected in this survey (317 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)
  [MBP2001]  Number (;meta.main)
  m_[MBP2001] (char) Letter running in alphabetical order with separation from X-ray source position (meta.code.multip)
  RAJ2000 "h:m:s" (n)(i) Optical right ascension (J2000.0) (pos.eq.ra;meta.main)
  DEJ2000 "d:m:s" (n)(i) Optical declination (J2000.0) (pos.eq.dec;meta.main)
  Sep arcsec (n) Separation from X-ray source position (pos.angDistance)
  r_RAh (char) [UTS2] Source of position and optical photometry (Note 1)   (meta.bib)
  VRmag mag (n) Optical magnitude (V from Tycho2 or R from USNO-A2.0) (phot.mag;em.opt)
  B-VR mag (n) Optical colour (B-V from Tycho2 or B-R from USNO-A2.0) (phot.color;em.opt.B;em.opt.R)
  l_FX/Fopt (char) Limit flag on logFX/Fopt (meta.code.error;phys.abund)
  FX/Fopt [-] (n) X-ray to optical flux ratio (logFX/FV from Tycho2 or logFX/FR from USNO-A2.0) (phot.flux;arith.ratio)

ALL cols
(n) indicates a possible blank or NULL column(i)indexed column
  CL (char) [CENU] Classification from logFX/Fopt versus colour diagram (Note 2)   (meta.code.class)
  l_Jmag (char) Limit flag on Jmag (meta.code.error;phot.mag;em.IR.J)
  Jmag mag (n) J magnitude (phot.mag;em.IR.J)
  l_J-H (char) Limit flag on J-H (meta.code.error;phot.color;em.IR.J)
  J-H mag (n) J-H colour index (phot.color;em.IR.J;em.IR.H)
  e_J-H mag (n) rms uncertainty on J-H (stat.error;phot.color;em.IR.J)
  l_H-Ks (char) Limit flag on H-Ks (meta.code.error)
  H-Ks mag (n) H-Ks colour index (phot.color;em.IR.H;em.IR.K)
  e_H-Ks mag (n) rms uncertainty on H-Ks (stat.error)
  MS (char) [YN?] Position on a near-IR two-colour diagram is consistent with an MS star flag (meta.code)
  SpType (char) Spectral type (Note 3)   (src.spType)
  Notes (char) Notes (luminosity units are erg/s=10–7W) (meta.note)

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