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=1642
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ColumnValue  Explain   (UCD)
_RAJ200019 06 14.9390 "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)
_DEJ2000-04 52 57.201 "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 03 35.6261 "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)
_DEB1950-04 57 37.299 "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)
_Glon030.2595351 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-05.5133505 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)
1642recno 1642  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

HD177756  Star HD number (meta.id;meta.main)
SpTypeB9Vn  MK spectral type (src.spType)
logT 4.032 [K] Logarithmic effective temperature (phys.temperature.effective)
e_logT 0.007 [K] Error on logT (stat.error)
logL 1.8950 [Lsun] Logarithmic luminosity (phys.luminosity)
e_logL 0.0250 [Lsun] Error on logL (stat.error)
Mass 2.79 Msun Stellar mass (phys.mass)
e_Mass 0.03 Msun Error on the stellar mass (stat.error;phys.mass)
Age 0.520  Fractional age on the main sequence (time.age;meta.main)
e_Age 0.059  Error on the fractional age (stat.error;time.age)
vsini191 km/s Projected rotational velocity (phys.veloc.rotat)
r_vsini16  Source of vsini (Note 1)   (meta.ref)
ClassCP  Classification of the star: blank=normal, CB=Close binary, CP=chemically peculiar (meta.code.class)

SimbadSimbad  ask the Simbad data-base about this object
_RA286.56225 deg (i) Right Ascension (J2000) from SIMBAD (not part of the original data) (pos.eq.ra;meta.main)
_DE-04.88256 deg (i) Declination (J2000) from SIMBAD (not part of the original data) (pos.eq.dec;meta.main)
  
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