About HD 77453
HD 77453 is a trash star. It lies about 542.7 light-years from Earth, sits in the constellation Vel, shines at apparent magnitude 8.2 and has spectral type A5IV/V.
Its spectrum reads A5IV/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.