About HD 153447
HD 153447 is a trash star. It lies about 506.5 light-years from Earth, sits in the constellation Ara, shines at apparent magnitude 7.57 and has spectral type A4:V+....
Its spectrum reads A4: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.