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=1764
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ColumnValue  Explain   (UCD)
_RAJ200020 44 57.4940 "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)
_DEJ2000-66 12 11.571 "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 40 28.2999 "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)
_DEB1950-66 23 04.882 "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)
_Glon328.9625317 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-36.0085663 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)
1764recno 1764  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

HD197051  Star HD number (meta.id;meta.main)
SpTypeA5IV  MK spectral type (src.spType)
logT 3.903 [K] Logarithmic effective temperature (phys.temperature.effective)
e_logT 0.005 [K] Error on logT (stat.error)
logL 1.8222 [Lsun] Logarithmic luminosity (phys.luminosity)
e_logL 0.0068 [Lsun] Error on logL (stat.error)
Mass 2.51 Msun Stellar mass (phys.mass)
e_Mass 0.01 Msun Error on the stellar mass (stat.error;phys.mass)
Age 0.975  Fractional age on the main sequence (time.age;meta.main)
e_Age 0.014  Error on the fractional age (stat.error;time.age)
vsini 75 km/s Projected rotational velocity (phys.veloc.rotat)
r_vsini 1  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
_RA311.23956 deg (i) Right Ascension (J2000) from SIMBAD (not part of the original data) (pos.eq.ra;meta.main)
_DE-66.20321 deg (i) Declination (J2000) from SIMBAD (not part of the original data) (pos.eq.dec;meta.main)
  
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