About HD 40496
HD 40496 is a trash star. It lies about 862.8 light-years from Earth, sits in the constellation Col, shines at apparent magnitude 7.82 and has spectral type A8/A9m+....
Its spectrum reads A8/A9m+... — 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.