Teide 1

Teide 1 was the first brown dwarf to be verified, in 1995. It is located in the Pleiades open star cluster, approximately 400 light-years (120 pc) from Earth.

This object is more massive than a planet (55 ± 15 M_J), but less massive than a star (0.052 M_Sun). The radius of the brown dwarf is about that of Jupiter (or one-tenth that of the Sun). Its surface temperature is 2600 ± 150 K, which is about half that of the Sun. Its luminosity is 0.08–0.05% of that of the Sun. Its age is only 120 million years compared to the Sun's age of 4.6 billion years.