About HD 157770
HD 157770 is a trash star. It lies about 749.8 light-years from Earth, sits in the constellation Ara, shines at apparent magnitude 7.89 and has spectral type A0IV/V.
Its spectrum reads A0IV/V — 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.