Eta Corvi
Star in the constellation of Corvus / From Wikipedia, the free encyclopedia
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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).
Quick Facts Constellation, Right ascension ...
Observation data Epoch J2000.0 Equinox J2000.0 (ICRS) | |
---|---|
Constellation | Corvus |
Right ascension | 12h 32m 04.22653s[1] |
Declination | −16° 11′ 45.6165″[1] |
Apparent magnitude (V) | 4.29–4.32[2] |
Characteristics | |
Spectral type | F2 V[3] |
U−B color index | +0.00[4] |
B−V color index | +0.38[4] |
R−I color index | +0.18[5] |
Variable type | Suspected[2] |
Astrometry | |
Radial velocity (Rv) | −2.80 ± 1.5[6] km/s |
Proper motion (μ) | RA: −425.17[1] mas/yr Dec.: −57.23[1] mas/yr |
Parallax (π) | 54.70 ± 0.17 mas[1] |
Distance | 59.6 ± 0.2 ly (18.28 ± 0.06 pc) |
Absolute magnitude (MV) | 2.99[7] |
Details | |
Mass | 1.43 ± 0.05[7] M☉ |
Radius | 1.2[8] R☉ |
Temperature | 6700[7] K |
Metallicity | [Fe/H] = −0.03[7] |
Rotational velocity (v sin i) | 68 ± 2[9] km/s |
Age | 1.5+0.2 −0.4[7] Gyr |
Other designations | |
Database references | |
SIMBAD | data |
ARICNS | data |
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