About HD 138212
HD 138212 is a trash star. It lies about 441.9 light-years from Earth, sits in the constellation Aps, shines at apparent magnitude 6.99 and has spectral type A4III/IV.
Its spectrum reads A4III/IV — 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.