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VizieR

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J/A+A/463/671/table4 Rotational velocities of A-type stars. III. (Royer+, 2007)
List of the 1541 B9- to F2-type stars, with their vsini value, spectral type, associated subgroup and classification (1541 rows)
  recno=151
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ColumnValue  Explain   (UCD)
_RAJ200002 58 45.6701 "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+39 39 45.823 "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)
_RAB195002 55 33.3795 "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+39 27 48.704 "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)
_Glon148.0435106 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-16.9208250 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)
151recno 151  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

HD 18411  HD number (meta.id;meta.main)
vsini186 km/s Projected rotational velocity (phys.veloc.rotat)
SpTypeA2Vn  MK spectral type (src.spType)
SubgroupA2-A3  Subgroup in spectral type (meta.id)
Class   Classification (Note 1)   (meta.code.class)

SimbadSimbad  ask the Simbad data-base about this object
_RA044.69029 deg (i) Right Ascension (J2000) from SIMBAD (not part of the original data) (pos.eq.ra;meta.main)
_DE+39.66273 deg (i) Declination (J2000) from SIMBAD (not part of the original data) (pos.eq.dec;meta.main)
  
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