About HD 217646
HD 217646 is a trash star. It lies about 704.4 light-years from Earth, sits in the constellation Tuc, shines at apparent magnitude 7.76 and has spectral type A2/A3V.
Its spectrum reads A2/A3V — 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.