About HD 197420
HD 197420 is an epic variable star. It lies about 2,695.5 light-years from Earth, sits in the constellation Del, shines at apparent magnitude 9.18 and has spectral type M5-M8e.
Its spectrum reads M5-M8e — an M-type red star — and M stars are the silent majority: roughly three of every four stars in the galaxy are one.