VizieR

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VizieR

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J/A+A/537/A120/table1 Rotational velocities of A-type stars. IV. (Zorec+, 2012)
Fundamental parameters for 2014 B6 to F2-type stars (2014 rows)
  recno=1665
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ColumnValue  Explain   (UCD)
_RAJ200019 22 38.2977 "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)
_DEJ2000-44 27 32.246 "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)
_RAB195019 19 02.8791 "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)
_DEB1950-44 33 18.480 "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)
_Glon353.6134239 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-23.9276023 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)
1665recno 1665  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

HD181454  Star HD number (meta.id;meta.main)
SpTypeB9V  MK spectral type (src.spType)
logT 4.044 [K] Logarithmic effective temperature (phys.temperature.effective)
e_logT 0.003 [K] Error on logT (stat.error)
logL 2.5100 [Lsun] Logarithmic luminosity (phys.luminosity)
e_logL 0.1070 [Lsun] Error on logL (stat.error)
Mass 3.67 Msun Stellar mass (phys.mass)
e_Mass 0.14 Msun Error on the stellar mass (stat.error;phys.mass)
Age 0.947  Fractional age on the main sequence (time.age;meta.main)
e_Age 0.053  Error on the fractional age (stat.error;time.age)
vsini 86 km/s Projected rotational velocity (phys.veloc.rotat)
r_vsini16  Source of vsini (Note 1)   (meta.ref)
Class   Classification of the star: blank=normal, CB=Close binary, CP=chemically peculiar (meta.code.class)

SimbadSimbad  ask the Simbad data-base about this object
_RA290.65957 deg (i) Right Ascension (J2000) from SIMBAD (not part of the original data) (pos.eq.ra;meta.main)
_DE-44.45896 deg (i) Declination (J2000) from SIMBAD (not part of the original data) (pos.eq.dec;meta.main)
  
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