About HR 6904
HR 6904 is a trash star. It lies about 383.3 light-years from Earth, sits in the constellation Her, shines at apparent magnitude 6.27 and has spectral type A2Vn.
Its spectrum reads A2Vn — 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.