Gliese 65 is a binary star system consisting the the red dwarf flare stars of BL Ceti, and UV Ceti. UV Ceti is considered a standard for flare stars because of its extreme changes in brightness, so now it is used as a classification name for that type of variable star. BL, UV Ceti orbit each other in a 26.5 year cycle. They are located 8.9 light years away in the constellation of Cetus.
