Eta Corvi
Eta Corvi (Eta Crv, η Corvi, η Crv) is an F-type main-sequence star, the sixth-brightest star in the constellation of Corvus. Two debris disks have been detected orbiting this star, one at ~150 AU, and a warmer one within a few astronomical units (AU).
Observation data Epoch J2000.0 Equinox J2000.0 (ICRS) | |
---|---|
Constellation | Corvus |
Right ascension | 12h 32m 04.22653s |
Declination | −16° 11′ 45.6165″ |
Apparent magnitude (V) | 4.29–4.32 |
Characteristics | |
Spectral type | F2 V |
U−B color index | +0.00 |
B−V color index | +0.38 |
R−I color index | +0.18 |
Variable type | Suspected |
Astrometry | |
Radial velocity (Rv) | −2.80 ± 1.5 km/s |
Proper motion (μ) | RA: −425.17 mas/yr Dec.: −57.23 mas/yr |
Parallax (π) | 54.70 ± 0.17 mas |
Distance | 59.6 ± 0.2 ly (18.28 ± 0.06 pc) |
Absolute magnitude (MV) | 2.99 |
Details | |
Mass | 1.43 ± 0.05 M☉ |
Radius | 1.2 R☉ |
Temperature | 6700 K |
Metallicity | [Fe/H] = −0.03 |
Rotational velocity (v sin i) | 68 ± 2 km/s |
Age | 1.5+0.2 −0.4 Gyr |
Other designations | |
Database references | |
SIMBAD | data |
ARICNS | data |
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