About HD 43291
HD 43291 is a common star. It lies about 758.5 light-years from Earth, sits in the constellation CMa, shines at apparent magnitude 8.22 and has spectral type A0IV/V.
Its spectrum reads A0IV/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.