Stars with Exoplanets: Cha 110913-773444 (original) (raw)

The object Cha 110913-773444 is too small even for a brown dwarf, smaller than some exoplanets known to us. Therefore it can be seen as a planet without a star, a so-called planemo.

Furthermore there is a dust disk around it, in which planets, or moons, could be about to form. This would make a miniature solar system smaller than ours by the factor 100.

Constellation: Chamaeleon
Age: 2 million years
Distance: 500 light-years
Mass: 8 * Jupiter (0.008 * Sun)

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Graphic: NASA/JPL-Caltech