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VizieR

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/ApJ/445/280
  ROSAT survey of the Orion nebula region (Gagne+ 1995)
Post annotation
img(gal)
1.J/ApJ/445/280/table2(c)Orion Nebula X-ray sources (389 rows)
2.J/ApJ/445/280/table3X-ray sources with multiple candidate optical counterparts (50 rows)
3.J/ApJ/445/280/table6Optical and X-ray data for Group 1 stars (175 rows)

 
Query by Constraints constraints help applied on Columns (Output Order: + - )
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Column  Constraint Explain   (UCD)
  (1)Count ct/s Corrected ROSAT HRI count rate (phot.count;em.X-ray)
  (1)DDE arcsec (n) Offset in declination (pos.eq.dec;arith.diff)
  (1)DEJ2000 "d:m:s" (i) Declination J2000 (pos.eq.dec;meta.main)
  (1)DRA arcsec (n) Offset in right ascension (pos.eq.ra;arith.diff)
  (1)e_Count ct/s rms uncertainty on Count (stat.error)
  (1)J&W (char) Jones & Walker (1988) optical counterpart candidate designation (meta.id)
  (1)Mult (char) [*] * indicates multiple candidate optical counterparts. See table3 (meta.note)
   (ALL)NoX  (i) [1/389] X-ray number (meta.id;meta.main)
  (1)Par (char) Parenago (1954) optical counterpart candidate designation (meta.id)
  (1)Prob  (n) Membership probability (stat.fit.goodness)
  (1)RAJ2000 "h:m:s" (i) Right ascension J2000 (pos.eq.ra;meta.main)

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
  (ALL)recno  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
  (1)Var (char) Variable optical counterpart candidate designation (meta.id)
  (2)DDE1 arcsec Offset in declination of the first candidate (pos.eq.dec;arith.diff)
  (2)DDE2 arcsec Offset in declination of the second candidate (pos.eq.dec;arith.diff)
  (2)DDE3 arcsec (n) Offset in declination of the first candidate (pos.eq.dec;arith.diff)
  (2)DRA1 arcsec Offset in right ascension of the first candidate (pos.eq.ra;arith.diff)
  (2)DRA2 arcsec Offset in right ascension of the second candidate (pos.eq.ra;arith.diff)
  (2)DRA3 arcsec (n) Offset in right ascension of the third candidate (pos.eq.ra;arith.diff)
  (2)J&W1 (char) Jones & Walker (1988) name of the first candidate (meta.id)
  (2)J&W2 (char) Jones & Walker (1988) name of the second candidate (meta.id)
  (2)J&W3 (char) Jones & Walker (1988) name of the third candidate (meta.id)
  (2)Par1 (char) Parenago designation of the first candidate (meta.id)
  (2)Par2 (char) Parenago designation of the second candidate (meta.id)

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
  (2)Par3 (char) Parenago designation of the third third candidate (meta.id)
  (2)Prob1  (n) Membership probability of the first candidate (stat.fit.goodness)
  (2)Prob2  (n) Membership probability of the second candidate (stat.fit.goodness)
  (2)Prob3  (n) Membership probability of the third candidate (stat.fit.goodness)
  (3)AV mag Visual extinction (Note 1)   (phys.absorption)
  (3)Bmag mag (n) B magnitude (phot.mag;em.opt.B)
  (3)Icmag mag (n) Ic (Cousins system) magnitude (phot.mag;em.opt.I)
  (3)l_logLX (char) Limit flag on logLX (meta.code.error)
  (3)l_logLX/Lbol (char) Limit flag on logLX/Lbol (meta.code.error)
  (3)logLX [10-7J] X-ray luminosity (phys.luminosity;em.X-ray)
  (3)logLX/Lbol  (n) X-ray luminosity versus bolometric luminosity (phys.luminosity;arith.ratio)
  (3)logTeff [K] (n) Effective temperature (phys.temperature.effective)
  (3)l_vsini (char) Limit flag on vsini (meta.code.error)

ALL cols
    
(n) indicates a possible blank or NULL column(i)indexed column
  (3)Name (char) Star name (meta.id;meta.main)
  (3)n_AV (char) [)] ')' when AV=0.25mag (Note 1)   (meta.note)
  (3)Note (char) Notes (Note 2)   (meta.note)
  (3)Prot d (n) Rotational period (time.period)
  (3)Sp (char) Spectral type (src.spType)
  (3)u_logLX/Lbol (char) Uncertainty flag on logLX/Lbol (meta.code.error)
  (3)u_logTeff (char) Uncertainty flag on logTeff (meta.code.error)
  (3)Vmag mag (n) V magnitude (phot.mag;em.opt.V)
  (3)vsini km/s (n) Spectroscopic rotation velocity (phys.veloc.rotat)

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