About HD 210591
HD 210591 is a trash star. It lies about 520.2 light-years from Earth, sits in the constellation Tuc, shines at apparent magnitude 7.72 and has spectral type A1/A2III.
Its spectrum reads A1/A2III — 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.