About 48Nu Eri
48Nu Eri is a rare variable star. It lies about 675.3 light-years from Earth, sits in the constellation Eri, shines at apparent magnitude 3.93 and has spectral type B2III SB.
Its spectrum reads B2III SB — 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.