Alpha Corvi (α Corvi), otherwise known as HD 105452 in the Henry Draper Catalogue, is a Hertzsprung-Russel main sequence dwarf star of spectral classification "F0V" that is forty-eight light-years from Sol in the constellation of Corvus. It is of absolute magnitude 3.17, that is, approximately 4.2 the bolometric luminosity of Sol, and of perceived apparent magnitude of 4.00. Alpha Corvi is host to a planetary system, and the fourth terrestrial planet, Alpha Corvi d, has been colonized by the UNSC as the colony world of Bifröst.