Observation data Epoch J2000.0 Equinox .J2000.0 | |
---|---|
Constellation | Virgo |
Right ascension | 13h 02m 10.5970s[1] |
Declination | +10° 57′ 32.9359″[1] |
Apparent magnitude (V) | +2.826[2] |
Characteristics | |
Evolutionary stage | Yellow giant |
Spectral type | G8 III[3] |
U−B color index | +0.718[2] |
B−V color index | +0.940[2] |
Astrometry | |
Radial velocity (Rv) | -14.6[4] km/s |
Proper motion (μ) | RA: -273.393 mas/yr[1] Dec.: +19.804 mas/yr[1] |
Parallax (π) | 30.221 ± 0.1907 mas[1] |
Distance | 107.9 ± 0.7 ly (33.1 ± 0.2 pc)[1] |
Absolute magnitude (MV) | 0.37 ± 0.06[5] |
Details | |
Mass | 2.28[6] M☉ |
Radius | 11.18[6] R☉ |
Luminosity | 77[7] L☉ |
Surface gravity (log g) | 2.7[6] cgs |
Temperature | 5,071[6] K |
Metallicity [Fe/H] | +0.116[6] dex |
Rotation | 173[8] days |
Rotational velocity (v sin i) | 2.3[9] km/s |
Age | 560 ± 90[5] Myr |
Other designations | |
Database references | |
SIMBAD | data |
Epsilon Virginis (ε Virginis, abbreviated Epsilon Vir, ε Vir), formally named Vindemiatrix /vɪndiːmiˈeɪtrɪks/,[11][12] is a star in the zodiac constellation of Virgo. The apparent visual magnitude of this star is +2.8,[2] making it the third-brightest member of Virgo. Based upon parallax measurements made by the Gaia spapecraft, Vindemiatrix lies at a distance of about 108 light-years (33 parsecs) from the Sun, give or take 0.7 light-years.[1]
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