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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

  
J/A+A/664/A105
  Stellar content of the ROSAT all-sky survey (Freund+, 2022)
ReadMe+ftp
2022A&A...664A.105F
Similar Catalogs
Post annotation 		img(gal)
1.J/A+A/664/A105/mainStellar counterparts to high quality RASS sources (table B1) (36285 rows)

Simple ConstraintList Of Constraints
 
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)
  2RXS (char) ID of RASS source (meta.id;meta.main)
  Match (char) Source ID of Gaia EDR3 or Tycho2 counterpart (meta.id.cross)
  ePos arcsec Positional uncertainty of RASS (stat.error;pos)
  Sep arcsec Angular separation between RASS source and counterpart (pos.angDistance)
  pstellar   [0.2/1.0] Stellar probability (qualified to >0.51 by default) (stat.fit.goodness)
  pij   [0.1/1.0] Probability of the individual match (qualified to >0.5 by default) (stat.fit.goodness)
  RAJ2000 deg (i) Right ascension at RASS observation time, J2000 (pos.eq.ra;meta.main)
  DEJ2000 deg (i) Declination at RASS observation time, J2000 (pos.eq.dec;meta.main)
  FX mW/m2 Stellar X-ray flux (phot.flux;em.X-ray)
  HR  (n) [-1.0/1.0] Hardness ratio (phot.flux;arith.ratio)
  Gmag mag Magnitude in Gaia's G-band (phot.mag;em.opt)
  BP-RP mag Gaia's BP-RP color (phot.color;em.opt.B;em.opt.R)
  plx mas Parallax (pos.parallax.trig)
  subdwarf (char) [True False] Source located more than 1.5mag below main sequence (qualified to False by default) (meta.code)

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