Alpha Pegasi, also known as Markab, is a bright star located in the constellation Pegasus. It is classified as a B-type giant star, approximately 133 light-years away from Earth. Markab is one of the four stars that form the Great Square of Pegasus, a prominent asterism in the night sky. This star has a surface temperature of around 12,000 Kelvin, making it significantly hotter than our Sun. With a magnitude of 2.48, Alpha Pegasi is easily visible to the naked eye and serves as a navigational reference for stargazers and astronomers alike.