Gamma Corvi [SEP] constellation
Gamma Corvi
Gamma Corvi (γ Corvi, abbreviated Gamma Crv, γ Crv) is a binary star and the brightest star in the southern constellation of Corvus, having an apparent visual magnitude of 2.59. The system's two components are designated Gamma Corvi A (officially named Gienah , traditionally the name of the system)) and Gamma Corvi B. The distance to this system has been measured directly using the parallax technique, yielding an estimated from the Sun.
Nomenclature.
"γ Corvi" (Latinised to "Gamma
Zeta Crateris
Zeta Crateris (ζ Crateris) is a probable binary star system in the southern constellation of Crater. Zeta Crateris appears to be about half-way between Epsilon Corvi to the southeast and Beta Crateris to the northwest, and marks the lower left corner of the rim of the bowl. Eta Crateris lies somewhat less than half of the way from Zeta Crateris to Gamma Corvi, the bright star above, (north) of Epsilon Corvi.
Zeta Crateris is a photometrically constant system that is visible to the naked