About HD 93172
HD 93172 is a trash star. It lies about 547.2 light-years from Earth, sits in the constellation Vel, shines at apparent magnitude 8.98 and has spectral type A2IIIm....
Its spectrum reads A2IIIm... — 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.