About HD 165757
HD 165757 is a trash star. It lies about 997.4 light-years from Earth, sits in the constellation Aps, shines at apparent magnitude 9.11 and has spectral type A2III/IV.
Its spectrum reads A2III/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.