About HD 194158
HD 194158 is a rare variable star. It lies about 1,976.7 light-years from Earth, sits in the constellation Sgr, shines at apparent magnitude 8.74 and has spectral type M2/M3.
Its spectrum reads M2/M3 — an M-type red star — and M stars are the silent majority: roughly three of every four stars in the galaxy are one.