About HD 154902
HD 154902 is a trash star. It lies about 718.4 light-years from Earth, sits in the constellation Ara, shines at apparent magnitude 6.92 and has spectral type B9/B9.5V.
Its spectrum reads B9/B9.5V — a blue-white B-type star, with a surface tens of thousands of degrees hot and a life measured in tens of millions of years.