About HD 58504
HD 58504 is a trash star. It lies about 849.4 light-years from Earth, sits in the constellation CMa, shines at apparent magnitude 9.32 and has spectral type A9IV/V.
Its spectrum reads A9IV/V — an A-type star: white-hot, typically about twice the Sun's mass, and the class most of the sky's famous bright stars belong to.