About GL Gl 781.1B
GL Gl 781.1B is a rare star. It lies about 47.6 light-years from Earth, sits in the constellation Sgr, shines at apparent magnitude 12.5 and has spectral type M3.5.
It is a binary: two stars orbiting a shared centre of mass. More than half of all the 'stars' you can see are actually multiple systems.