Gamma Corvi
γ Corvi | |
---|---|
Observation dates equinox : J2000.0 , epoch : J2000.0 |
|
Constellation | Corvus |
Right ascension | 12 h 15 m 48.4 s |
declination | −17 ° 32 ′ 31 ″ |
Brightness (V-band) | 2.6 likes |
Typing | |
Spectral class | B8 III |
Astrometry | |
parallax | (19.78 ± 0.81) mas |
distance | (165 ± 7) ly (50.6 ± 2.1) pc |
Physical Properties | |
Projected rotation speed v sin (i) | 30 km / s |
Names and designations | |
γ Corvi • 4 Corvi • BD −16 ° 3424 • HR 4662 • HD 106625 • HIP 59803 • SAO 157176 • TYC 6098–1754-1 • FK5 457 • Gienah Gurab • Gienah Corvi |
γ Corvi (Gamma Corvi) is a star of the spectral type B8 at a distance of about 165 light years . With an apparent magnitude of 2.6 mag, it is the brightest star in the constellation Corvus .
The star has the proper name Gienah Gurab (from Arabic جناح الغراب, DMG ǧanāḥ al-ġurāb 'wing of the raven') or just Gienah , sometimes added to Gienah Corvi to distinguish it from the star of the same name in the constellation Cygnus with the designation ε Cygni .
Individual evidence
- ^ IAU: Naming Stars
- ↑ Stefan Parsch: Xamidimura and Zubenelhakrabi: 86 new star names assigned , on: n-tv online, from December 15, 2017