VizieR

CfA VizieR . ADAC VizieR . Cambridge (UK) VizieR . IUCAA VizieR . INASAN VizieR .

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/A+AS/118/481
  ROSAT all-sky survey catalogue of OB stars (Berghoefer+ 1996)
ReadMe+ftp
1996A&AS..118..481B
Similar Catalogs
Post annotation 		img(gal)
1.J/A+AS/118/481/table2Detections (237 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.
  HR   [11/8998] Bright Star catalogue number
  Name (char) Star's name
  SpType (char) MK spectral classification ((unassigned);phys.veloc.orbital;arith.diff)
  Vmag mag V magnitude
  B-V mag B-V magnitude
  E(B-V) mag Color excess ((unassigned);(unassigned);arith)
  log(NH) [cm-2] Hydrogen column density ((unassigned);phys.veloc.orbital;arith.diff)
  Dist pc Distance ((unassigned);phys.polarization.posAng;arith)
  log(Lbol) [10-7W] Bolometric luminosity ((unassigned);instr.det.noise;stat.min)
  Texp s Exposure time (meta.cryptic;em.mm.100-200GHz;arith)

ALL cols		    
 (i)indexed column
  OX-sep arcsec Offset between optical and X-ray position ((unassigned);(unassigned);arith)
  n_OX-sep (char) [*] * for offset larger than 75 arcmin (phys.veloc.microTurb;phys.atmol.lifetime;arith.diff)
  rate ct/s Mean PSPC count rate
  e_rate ct/s Error of PSPC count rate
  HRatio  Hardness ratio = (H-S)/(H+S) ((unassigned);phys.veloc.orbital;arith.diff)
  e_HRatio  Error of hratio ((unassigned);meta.title;arith.diff)
  n_HRatio (char) [1±] Note on hardness ratio -: upper limit +: lower limit 1: only S band ((unassigned);phys.veloc.orbital;arith.diff)
  Tx keV Estimated X-ray temperature
  log(FX) [mW/m2] Apparent X-ray flux ((unassigned);src.veloc.lsr;arith)
  log(e_FX) [mW/m2] Error of FX ((unassigned);phys.veloc.orbital;arith.diff)
  log(Lx) [10-7W] X-ray luminosity ((unassigned);phys.veloc.orbital;arith.diff)
  log(Lx/Lbol) [--] Luminosity ratio log(Lx/Lbol) (src.var;em.radio.3-6GHz;arith)
  Simbad  ask the Simbad data-base about this object ((unassigned);phys.veloc.orbital;arith.diff)
  _RA deg Right Ascension (J2000) from SIMBAD (not part of the original data) ((unassigned);phys.veloc.orbital;arith.diff;(unassigned);arith)
  _DE deg Declination (J2000) from SIMBAD (not part of the original data) ((unassigned);em.line;arith.grad;(unassigned);arith)

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