About GL Gl 770
GL Gl 770 is an uncommon variable star. It lies about 45.8 light-years from Earth, sits in the constellation Sgr, shines at apparent magnitude 6.22 and has spectral type K3/K4V.
Its spectrum reads K3/K4V — a K-type star. Orange K dwarfs are the marathon runners of the galaxy, burning steadily for tens of billions of years.