About HR 4397
HR 4397 is a trash star. It lies about 242.1 light-years from Earth, sits in the constellation Cha, shines at apparent magnitude 6.43 and has spectral type A5III/IV.
Its spectrum reads A5III/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.