Gienah is a bright star located in the constellation of Corvus, which is known as the Crow. It is classified as a spectral type B2IV star, indicating that it is a blue giant. Gienah is approximately 80 light-years away from Earth and has a surface temperature of around 20,000 Kelvin, making it much hotter than our Sun. In terms of brightness, Gienah has an apparent magnitude of about 2.5, which makes it one of the more prominent stars in the night sky. It is often used in navigation and is part of the asterism known as the Corvus constellation, which consists of four main stars.