About HD 140757
HD 140757 is a trash star. It lies about 560.4 light-years from Earth, sits in the constellation Lup, shines at apparent magnitude 7.95 and has spectral type A2IV/V.
Its spectrum reads A2IV/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.