About HD 121333
HD 121333 is a rare variable star. It lies about 1,560.6 light-years from Earth, sits in the constellation Cen, shines at apparent magnitude 6.64 and has spectral type M1/M2III.
Its spectrum reads M1/M2III — an M-type red star — and M stars are the silent majority: roughly three of every four stars in the galaxy are one.