Kelu 1 - A Brief History
Kelu 1 was the among the first isolated (so called ''free-floating'') brown dwarf identified, and thus served (and still serves) as a proto-typical L-dwarf standard and reference. Not unlike other proto-typical objects (like, e.g, T Tauri, which is the eponym for a whole class of solar-type pre-main sequence stars), Kelu 1 turned out not to proto-typical for its class after all...

See STScI Press Release "Brown Dwarfs Don't Hang Out With Stars (STScI PR-2009-01) for more details and images.
Last Update: 8. January 2009 Picture of Smiley