About HD 193437
HD 193437 is a rare variable star. It lies about 1,065.9 light-years from Earth, sits in the constellation Sgr, shines at apparent magnitude 7.04 and has spectral type M3/M4III.
Its spectrum reads M3/M4III — an M-type red star — and M stars are the silent majority: roughly three of every four stars in the galaxy are one.