Epsilon Virginis
| Observation data Epoch J2000.0 Equinox J2000.0 (ICRS) | |
|---|---|
| Constellation | Virgo |
| Right ascension | 13h 02m 10.59785s |
| Declination | +10° 57′ 32.9415″ |
| Apparent magnitude (V) | +2.826 |
| Characteristics | |
| Evolutionary stage | Red clump |
| Spectral type | G8 III |
| U−B color index | +0.718 |
| B−V color index | +0.940 |
| Astrometry | |
| Radial velocity (Rv) | −14.96±0.03 km/s |
| Proper motion (μ) | RA: −273.80 mas/yr Dec.: +19.96 mas/yr |
| Parallax (π) | 29.76±0.14 mas |
| Distance | 109.6 ± 0.5 ly (33.6 ± 0.2 pc) |
| Absolute magnitude (MV) | 0.37 ± 0.06 |
| Details | |
| Mass | 2.72±0.12 M☉ |
| Radius | 11.98±0.07 R☉ |
| Luminosity | 82.3±4.2 L☉ |
| Surface gravity (log g) | 2.72±0.02 cgs |
| Temperature | 5,020±64 K |
| Metallicity [Fe/H] | 0.06±0.03 dex |
| Rotation | 173 days |
| Rotational velocity (v sin i) | 2.37±0.41 km/s |
| Age | 562, 700 Myr |
| Other designations | |
| Vindemiatrix, Vindemiator, Almuredin, Provindemiator, Protrigetrix, Protrygetor, Alaraph, 47 Virginis, BD+11°2529, FK5 488, HD 113226, HIP 63608, HR 4932, SAO 100384 | |
| Database references | |
| SIMBAD | data |
Epsilon Virginis (ε Virginis, abbreviated Epsilon Vir, ε Vir), formally named Vindemiatrix /vɪndiːmiˈeɪtrɪks/, is a star in the zodiac constellation of Virgo. The apparent visual magnitude of this star is +2.8, making it the third-brightest member of Virgo. Based upon parallax measurements made by the Hipparcos spacecraft, Vindemiatrix lies at a distance of about 110 light-years (34 parsecs) from the Sun, give or take half a light-year.