GLIESE 229

Image of Gliese 229 A and B.

'Gliese 229' (also written as 'Gl 229' or 'GJ 229') is a cool, red dwarf star about 19 light years away in the constellation Lepus. The star is known to be a flare star. In 1995 a substellar companion was found: 'Gliese 229B' is a brown dwarf orbiting the star; although it is too small to sustain nuclear fusion, with a mass of 20 to 50 times that of Jupiter it is still too massive to be a planet.
A simulated image of Gliese 229 from a distance of 2,081,000 km (1,293,000 miles).




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External links

External links



★ Astronomers Announce First Clear Evidence of a Brown Dwarf – STScI news release STScI-1995-48 (November 29, 1995)

★ Brown dwarfs (NASA)

★ Extrasolar Visions – Gliese 229

★ Extrasolar Visions – Gliese 229 b

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