Alpha Corvi

Alpha Corvi
Observation data
Epoch J2000      Equinox J2000
Constellation Corvus
Right ascension 12h 08m 24.81727s[1]
Declination −24° 43′ 43.9521″[1]
Apparent magnitude (V) 4.03[2]
Characteristics
Spectral type F1 V[3] + M4 V[4]
U−B color index +0.00[2]
B−V color index +0.34[2]
Variable type Gamma Doradus?[5]
Astrometry
Radial velocity (Rv)+3.0[6] km/s
Proper motion (μ) RA: +96.976 mas/yr[1]
Dec.: −40.023 mas/yr[1]
Parallax (π)66.7696 ± 0.1804 mas[1]
Distance48.8 ± 0.1 ly
(14.98 ± 0.04 pc)
Absolute magnitude (MV)3.25[7]
Details
Mass1.32[8] M☉
Radius1.373[9] R☉
Luminosity4.145[9] L☉
Surface gravity (log g)4.27[8] cgs
Temperature7,035[9] K
Metallicity [Fe/H]−0.04[8] dex
Rotational velocity (v sin i)16.9 ± 1.5[10] km/s
Age1.2–1.58[8] Gyr
Other designations
Alchiba, Al Minliar al Ghurab, Al Chiba, 1 Crv, CD −24° 10174, GCTP 2796.00, GJ 455.3, HD 105452, HIP 59199, HR 4623, SAO 180505[11]
Database references
SIMBADdata

Alpha Corvi (α Corvi, abbreviated Alpha Crv, α Crv), also named Alchiba /ˈælkɪbə/,[12] is an F-type main-sequence star and, despite its "alpha" designation, is the fifth-brightest star in the constellation of Corvus. Based on parallax measurements made by the Gaia mission, it is approximately 49 light-years from the Sun.[1]

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