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Exoplanetary Scratchpad

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The first rogue planet confirmed not orbiting a star, and the first as small as a planet and not too distant (100 ly). Others have been found much further away, but it is difficult in estimating their mass and thus distinguish them from brown dwarves. About as large as Jupiter and 4-7 times as. Resides about 4 light years from the nearest star. Detected by a Montreal group in the infrared because it is still warm, about 400C. It is traveling with the AB Doradus group, giving astronomers a hypothesis that it may be 50-120 Million Years old. It is not known if it was expelled from one of the stars in the group, or if it formed without a parent star.

CFBDSIR 2149 System Web Pages[]

CFBDSIR 2149 System In the News[]

Rogue Planet Found (Nov 2012)[]

Related Pages[]