Alpha Lacertae, also known as Alpha Lacerte, is a bright star located in the constellation Lacerta. It is approximately 100 light-years away from Earth and is classified as a spectral type A0V main-sequence star. With an apparent magnitude of about 3.77, it is one of the most luminous stars in its constellation. This star is notable for its rapid rotation, completing a full turn in just over 24 hours. Alpha Lacertae is also significantly hotter than the Sun, with a surface temperature around 9,500 Kelvin. Its brightness and characteristics make it an interesting object for astronomers studying stellar evolution.