About HD 212539
HD 212539 is an epic variable star. It lies about 1,456.1 light-years from Earth, sits in the constellation Gru, shines at apparent magnitude 11.06 and has spectral type M8III:e.
Its spectrum reads M8III:e — an M-type red star — and M stars are the silent majority: roughly three of every four stars in the galaxy are one.