Beta Virginis
Star in the constellation Virgo / From Wikipedia, the free encyclopedia
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Beta Virginis, a name Latinised from β Virginis, is a star in the equatorial constellation of Virgo. It has the proper name Zavijava (/ˌzævɪˈdʒævə/),[11][12][13] and, despite its designation 'beta', is the fifth-brightest star in Virgo with an apparent visual magnitude of 3.604.[2] The distance to this star is around 35.7 light-years based on parallax;[1] it is drifting further away with a radial velocity of +4.1 km/s.[6] It is 0.69 of a degree north of the ecliptic, so it can be occulted by the Moon and (rarely) by planets. The next planetary occultation of Beta Virginis will take place on 09 november 2210, by Venus.[14]
Quick Facts Observation data Epoch J2000 Equinox J2000, Constellation ...
Observation data Epoch J2000 Equinox J2000 | |
---|---|
Constellation | Virgo |
Right ascension | 11h 50m 41.71824s[1] |
Declination | +01° 45′ 52.9910″[1] |
Apparent magnitude (V) | 3.604[2] |
Characteristics | |
Evolutionary stage | Main sequence[3] turnoff[4] |
Spectral type | F9 V[5] |
U−B color index | +0.090[2] |
B−V color index | +0.553[2] |
Astrometry | |
Radial velocity (Rv) | +4.1[6] km/s |
Proper motion (μ) | RA: +740.23[1] mas/yr Dec.: −270.43[1] mas/yr |
Parallax (π) | 91.50 ± 0.22 mas[1] |
Distance | 35.65 ± 0.09 ly (10.93 ± 0.03 pc) |
Absolute magnitude (MV) | 3.41[6] |
Details | |
Mass | 1.413±0.061[3] M☉ |
Radius | 1.681±0.008[7] R☉ |
Luminosity | 3.572±0.052[7] L☉ |
Surface gravity (log g) | 4.125±0.010[3] cgs |
Temperature | 6,132±26[7] K |
Metallicity [Fe/H] | 0.20[8] dex |
Rotational velocity (v sin i) | 4.3[9] km/s |
Age | 2.9 ± 0.3,[6] ~3.3[4] Gyr |
Other designations | |
Database references | |
SIMBAD | data |
ARICNS | data |
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