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=636
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ColumnValue  Explain   (UCD)
_RAJ200006 48 11.4551 "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)
_DEJ2000-61 56 29.001 "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)
_RAB195006 47 40.1848 "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)
_DEB1950-61 53 00.977 "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)
_Glon271.9186722 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-24.0994317 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)
636recno 636  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

HD 50241  Star HD number (meta.id;meta.main)
SpTypeA7IV  MK spectral type (src.spType)
logT 3.878 [K] Logarithmic effective temperature (phys.temperature.effective)
e_logT 0.002 [K] Error on logT (stat.error)
logL 1.5873 [Lsun] Logarithmic luminosity (phys.luminosity)
e_logL 0.0630 [Lsun] Error on logL (stat.error)
Mass 2.22 Msun Stellar mass (phys.mass)
e_Mass 0.07 Msun Error on the stellar mass (stat.error;phys.mass)
Age 0.936  Fractional age on the main sequence (time.age;meta.main)
e_Age 0.034  Error on the fractional age (stat.error;time.age)
vsini206 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
_RA102.04773 deg (i) Right Ascension (J2000) from SIMBAD (not part of the original data) (pos.eq.ra;meta.main)
_DE-61.94139 deg (i) Declination (J2000) from SIMBAD (not part of the original data) (pos.eq.dec;meta.main)
  
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