VizieR

CfA VizieR . ADAC VizieR . Cambridge (UK) VizieR . IUCAA VizieR . INASAN VizieR .
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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)
ReadMe+ftp
1995ApJ...445..280G
Similar Catalogs
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)

Simple ConstraintList Of Constraints
 
Query by Constraints constraints help applied on Columns (Output Order: + - )
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Column  Constraint Explain   (UCD)
  (ALL)recno  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)
   (ALL)NoX  (i) [1/389] X-ray number (meta.id;meta.main)
  (1)RAJ2000 "h:m:s" (i) Right ascension J2000 (pos.eq.ra;meta.main)
  (1)DEJ2000 "d:m:s" (i) Declination J2000 (pos.eq.dec;meta.main)
  (1)Count ct/s Corrected ROSAT HRI count rate (phot.count;em.X-ray)
  (1)e_Count ct/s rms uncertainty on Count (stat.error)
  (1)Mult (char) [*] * indicates multiple candidate optical counterparts. See table3 (meta.note)
  (1)Par (char) Parenago (1954) optical counterpart candidate designation (meta.id)
  (1)J&W (char) Jones & Walker (1988) optical counterpart candidate designation (meta.id)
  (1)Var (char) Variable optical counterpart candidate designation (meta.id)
  (1)Prob  (n) Membership probability (stat.fit.goodness)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (1)DRA arcsec (n) Offset in right ascension (pos.eq.ra;arith.diff)
  (1)DDE arcsec (n) Offset in declination (pos.eq.dec;arith.diff)
  (2)Par1 (char) Parenago designation of the first candidate (meta.id)
  (2)J&W1 (char) Jones & Walker (1988) name of the first candidate (meta.id)
  (2)Prob1  (n) Membership probability of the first candidate (stat.fit.goodness)
  (2)DRA1 arcsec Offset in right ascension of the first candidate (pos.eq.ra;arith.diff)
  (2)DDE1 arcsec Offset in declination of the first candidate (pos.eq.dec;arith.diff)
  (2)Par2 (char) Parenago designation of the second candidate (meta.id)
  (2)J&W2 (char) Jones & Walker (1988) name of the second candidate (meta.id)
  (2)Prob2  (n) Membership probability of the second candidate (stat.fit.goodness)
  (2)DRA2 arcsec Offset in right ascension of the second candidate (pos.eq.ra;arith.diff)
  (2)DDE2 arcsec Offset in declination of the second candidate (pos.eq.dec;arith.diff)
  (2)Par3 (char) Parenago designation of the third third candidate (meta.id)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (2)J&W3 (char) Jones & Walker (1988) name of the third candidate (meta.id)
  (2)Prob3  (n) Membership probability of the third candidate (stat.fit.goodness)
  (2)DRA3 arcsec (n) Offset in right ascension of the third candidate (pos.eq.ra;arith.diff)
  (2)DDE3 arcsec (n) Offset in declination of the first candidate (pos.eq.dec;arith.diff)
  (3)Name (char) Star name (meta.id;meta.main)
  (3)Sp (char) Spectral type (src.spType)
  (3)logTeff [K] (n) Effective temperature (phys.temperature.effective)
  (3)u_logTeff (char) Uncertainty flag on logTeff (meta.code.error)
  (3)Bmag mag (n) B magnitude (phot.mag;em.opt.B)
  (3)Vmag mag (n) V magnitude (phot.mag;em.opt.V)
  (3)Icmag mag (n) Ic (Cousins system) magnitude (phot.mag;em.opt.I)
  (3)AV mag Visual extinction (Note 1)   (phys.absorption)
  (3)n_AV (char) [)] ')' when AV=0.25mag (Note 1)   (meta.note)

ALL cols		    
(n) indicates a possible blank or NULL column(i)indexed column
  (3)l_vsini (char) Limit flag on vsini (meta.code.error)
  (3)vsini km/s (n) Spectroscopic rotation velocity (phys.veloc.rotat)
  (3)Prot d (n) Rotational period (time.period)
  (3)l_logLX (char) Limit flag on logLX (meta.code.error)
  (3)logLX [10-7J] X-ray luminosity (phys.luminosity;em.X-ray)
  (3)l_logLX/Lbol (char) Limit flag on logLX/Lbol (meta.code.error)
  (3)logLX/Lbol  (n) X-ray luminosity versus bolometric luminosity (phys.luminosity;arith.ratio)
  (3)u_logLX/Lbol (char) Uncertainty flag on logLX/Lbol (meta.code.error)
  (3)Note (char) Notes (Note 2)   (meta.note)

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