About HD 42968
HD 42968 is a common variable star. It lies about 516.9 light-years from Earth, sits in the constellation CMa, shines at apparent magnitude 8.4 and has spectral type A1m A5-F2.
Its spectrum reads A1m A5-F2 — 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.