About HR 481
HR 481 is a rare variable star. It lies about 1,217 light-years from Earth, sits in the constellation Cas, shines at apparent magnitude 6.69 and has spectral type B8IIIp (Si).
Its spectrum reads B8IIIp (Si) — a blue-white B-type star, with a surface tens of thousands of degrees hot and a life measured in tens of millions of years.