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/table2(c)Detections (237 rows)
2.J/A+AS/118/481/table3(c)Upper limits of non-detections (1585 rows)
Help Xmatch is

Simple ConstraintList Of Constraints
 
Query by Constraints constraints help applied on Columns (Output Order: + - )
ShowSortJoin tables
more join
Column  Constraint Explain   (UCD)
  (ALL)recno  Record number assigned by the VizieR team. Should Not be used for identification. ((unassigned);phys.veloc.orbital;arith.diff)
   (ALL)HR   [11/8998] Bright Star catalogue number ((unassigned);phys.veloc.orbital;arith.diff)
   (ALL)HR_data (char) Link to all parameters and notes from the Bright Star Catalogue ((unassigned);(unassigned);(unassigned);(unassigned);arith)
  (1)Name (char) Star's name ((unassigned);phys.veloc.orbital;arith.diff)
   (ALL)SpType (char) MK spectral classification ((unassigned);phys.veloc.orbital;arith.diff)
   (ALL)Vmag mag V magnitude ((unassigned);phys.veloc.orbital;arith.diff)
  (1)B-V mag B-V magnitude
  (1)E(B-V) mag Color excess ((unassigned);phys.veloc.orbital;arith.diff)
  (1)log(NH) [cm-2] Hydrogen column density ((unassigned);phys.veloc.orbital;arith.diff)
  (1)Dist pc Distance
  (1)log(Lbol) [10-7W] Bolometric luminosity

ALL cols		    
 (i)indexed column
  (1)Texp s Exposure time
  (1)OX-sep arcsec Offset between optical and X-ray position ((unassigned);phys.veloc.orbital;arith.diff)
  (1)n_OX-sep (char) [*] * for offset larger than 75 arcmin
  (1)rate ct/s Mean PSPC count rate ((unassigned);phys.veloc.orbital;arith.diff)
  (1)e_rate ct/s Error of PSPC count rate ((unassigned);phys.veloc.orbital;arith.diff)
  (1)HRatio  Hardness ratio = (H-S)/(H+S)
  (1)e_HRatio  Error of hratio
  (1)n_HRatio (char) [1±] Note on hardness ratio -: upper limit +: lower limit 1: only S band ((unassigned);phys.veloc.orbital;arith.diff)
  (1)Tx keV Estimated X-ray temperature
  (1)log(FX) [mW/m2] Apparent X-ray flux
  (1)log(e_FX) [mW/m2] Error of FX ((unassigned);phys.luminosity.fun;arith.grad)
   (ALL)log(Lx) [10-7W] X-ray luminosity ((unassigned);phys.veloc.orbital;arith.diff)
   (ALL)log(Lx/Lbol) [--] Luminosity ratio log(Lx/Lbol)

ALL cols		    
 (i)indexed column
   (ALL)Simbad (char) ask the Simbad data-base about this object ((unassigned);phys.veloc.orbital;arith.diff)
   (ALL)_RA deg Right Ascension (J2000) from SIMBAD (not part of the original data) ((unassigned);(unassigned);(unassigned);(unassigned);arith)
   (ALL)_DE deg Declination (J2000) from SIMBAD (not part of the original data) ((unassigned);(unassigned);(unassigned);(unassigned);arith)

ALL cols		    
 (i)indexed column
Adapt form
 Display your selection only Reset to default columns
usage  Display UCD1+    UCD1  
elapse time 3