Delta Virginis
Star in the constellation Virgo / From Wikipedia, the free encyclopedia
Delta Virginis (δ Virginis, abbreviated Del Vir, δ Vir), formally named Minelauva /ˌmɪnəˈlɔːvə/,[11] is a star in the zodiac constellation of Virgo. With an apparent visual magnitude of 3.4,[5] this star is bright enough to be seen with the naked eye. It is located at a distance of about 202 light-years (62 parsecs) from the Sun.[7]
Quick Facts Observation data Epoch J2000 Equinox J2000, Constellation ...
Observation data Epoch J2000 Equinox J2000 | |
---|---|
Constellation | Virgo |
Right ascension | 12h 55m 36.20861s[1] |
Declination | +3° 23′ 50.8932″[1] |
Apparent magnitude (V) | 3.32 - 3.40[2] |
Characteristics | |
Evolutionary stage | AGB[3] |
Spectral type | M1 III[4] |
U−B color index | +1.825[5] |
B−V color index | +1.565[5] |
Variable type | Semiregular[2] |
Astrometry | |
Radial velocity (Rv) | −18.14±0.55[6] km/s |
Proper motion (μ) | RA: −469.99[1] mas/yr Dec.: −52.83[1] mas/yr |
Parallax (π) | 16.44 ± 0.22 mas[1] |
Distance | 202.36±11.05 ly (62.07±3.39 pc)[7] |
Absolute bolometric magnitude (Mbol) | −2.4±0.3[8] |
Details[4] | |
Mass | 1.4±0.3[8][4] M☉ |
Radius | 67.4±1[9] R☉ |
Luminosity | 502.57 L☉ |
Surface gravity (log g) | 0.8 cgs |
Temperature | 3,657 K |
Metallicity [Fe/H] | −0.06 dex |
Rotational velocity (v sin i) | 8.1 km/s |
Other designations | |
Database references | |
SIMBAD | data |
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