About HD 23137
HD 23137 is a trash star. It lies about 458.7 light-years from Earth, sits in the constellation Ret, shines at apparent magnitude 7.84 and has spectral type A4:m....
Its spectrum reads A4:m... — 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.