About HD 57543
HD 57543 is a common star. It lies about 1,496.1 light-years from Earth, sits in the constellation CMa, shines at apparent magnitude 8.7 and has spectral type A1IV/V.
Its spectrum reads A1IV/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.