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=313
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ColumnValue  Explain   (UCD)
_RAJ200004 03 09.3797 "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+05 59 21.479 "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)
_RAB195004 00 29.6027 "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+05 51 07.377 "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)
_Glon184.6796267 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-33.0586153 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)
313recno 313  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

HD 25490  Star HD number (meta.id;meta.main)
SpTypeA1V  MK spectral type (src.spType)
logT 3.955 [K] Logarithmic effective temperature (phys.temperature.effective)
e_logT 0.005 [K] Error on logT (stat.error)
logL 1.5350 [Lsun] Logarithmic luminosity (phys.luminosity)
e_logL 0.0084 [Lsun] Error on logL (stat.error)
Mass 2.25 Msun Stellar mass (phys.mass)
e_Mass 0.01 Msun Error on the stellar mass (stat.error;phys.mass)
Age 0.594  Fractional age on the main sequence (time.age;meta.main)
e_Age 0.034  Error on the fractional age (stat.error;time.age)
vsini 83 km/s Projected rotational velocity (phys.veloc.rotat)
r_vsini 6  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
_RA060.78908 deg (i) Right Ascension (J2000) from SIMBAD (not part of the original data) (pos.eq.ra;meta.main)
_DE+05.98930 deg (i) Declination (J2000) from SIMBAD (not part of the original data) (pos.eq.dec;meta.main)
  
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