About HR 3504
HR 3504 is a trash star. It lies about 942.6 light-years from Earth, sits in the constellation Cnc, shines at apparent magnitude 6.41 and has spectral type A2Vs.
Its spectrum reads A2Vs — 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.