Alpha Corvi

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Alpha Corvi
Observation data
Epoch J2000
Constellation
(pronunciation)
Corvus
Right ascension 12h 08m 24.8s
Declination -24° 43′ 44″
Apparent magnitude (V) 4.00
Characteristics
Spectral type F0 IV-V
U-B color index -0.02
B-V color index 0.33
Variable type ?
Astrometry
Radial velocity (Rv) +4.4 km/s
Proper motion (μ) RA: 100.18 mas/yr
Dec.: -39.33 mas/yr
Parallax (π) 67.71 ± 0.75 mas
Distance 48.2 ± 0.5 ly
(14.8 ± 0.2 pc)
Absolute magnitude (MV) 3.17
Details
Mass 1.2 M
Radius ? R
Luminosity ? L
Temperature 7,000 K
Metallicity ~25%
Rotation 16 km/s
Age ? years
Other designations
Alchiba, Al Minliar al Ghurab, Al Chiba, 1 Crv, GJ 455.3, HR 4623, CD -24° 10174, HD 105452, GCTP 2796.00, SAO 180505, IRAS 12058-2426, HIP 59199.

Alpha Corvi (α Crv / α Corvi) is a star in the constellation Corvus. It also has the traditional names Alchiba (Arabic "tent") or Al Minliar al Ghurab. It is known as 右轄 (the Right Linchpin) in Chinese.

Alchiba belongs to the spectral class F0 and has apparent magnitude +4.00. It is 48 light years from Earth. This star is suspected of being a spectroscopic binary, although this has not yet been confirmed.

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