About HD 138773
HD 138773 is a trash star. It lies about 1,832.3 light-years from Earth, sits in the constellation TrA, shines at apparent magnitude 7.65 and has spectral type Ap Si.
Its spectrum reads Ap Si — 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.