About HD 66583
HD 66583 is a rare variable star. It lies about 2,398.2 light-years from Earth, sits in the constellation Pup, shines at apparent magnitude 7.26 and has spectral type M2/M3III.
Its spectrum reads M2/M3III — an M-type red star — and M stars are the silent majority: roughly three of every four stars in the galaxy are one.