About HD 129004
HD 129004 is a rare variable star. It lies about 2,609.2 light-years from Earth, sits in the constellation Boo, shines at apparent magnitude 8.3 and has spectral type M5E-M7e.
Its spectrum reads M5E-M7e — an M-type red star — and M stars are the silent majority: roughly three of every four stars in the galaxy are one.