Gliese 229
Gliese 229 (also designated as Gl 229 or GJ 229) is a binary system that has a red dwarf and the first brown dwarf discovered by astronomers. It is located 18.8 light years away in the constellation Lepus. The main star of the binary system has 58% of the mass of the Sun, 69% of the Sun's radius, and a very low projected rotation velocity of 1 km/s at the stellar equator.