VizieR

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VizieR

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J/A+AS/118/481/table3 ROSAT all-sky survey catalogue of OB stars (Berghoefer+ 1996)
Upper limits of non-detections (1585 rows)
  recno=1375
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ColumnValue  Explain   (UCD)
_RAJ200020 17 47.202 "h:m:s" Right ascension (FK5, Equinox=J2000.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.ra)
_DEJ2000+38 01 58.55 "d:m:s" Declination (FK5, Equinox=J2000.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.dec)
_RAB195020 15 56.496 "h:m:s" Right ascension (FK4, Equinox=B1950.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.ra)
_DEB1950+37 52 35.15 "d:m:s" Declination (FK4, Equinox=B1950.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.dec)
_Glon075.826793 deg Galactic longitude (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lon)
_Glat+01.319444 deg Galactic latitude (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lat)
1375recno 1375  Record number assigned by the VizieR team. Should Not be used for identification.

HR7763   [7/9110] Bright Star catalogue number
SpTypeB2pe  MK spectral classification
Vmag 4.81 mag V magnitude
log(Lx) 29.69 [10-7W] Upper limit for X-ray luminosity
log(Lx/Lbol) -7.65 [--] Upper limit for luminosity ratio log(Lx/Lbol)

SimbadSimbad  ask the Simbad data-base about this object
_RA304.4467 deg Right Ascension (J2000) from SIMBAD (not part of the original data)
_DE+38.0329 deg Declination (J2000) from SIMBAD (not part of the original data)
  
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