About HD 20171
HD 20171 is a trash star. It lies about 988.4 light-years from Earth, sits in the constellation Hyi, shines at apparent magnitude 7.94 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.