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Cha 110913-773444 : ウィキペディア英語版 | Cha 110913-773444
Cha 110913-773444 (sometimes abbreviated ''Cha 110913'') is an astronomical object surrounded by what appears to be a protoplanetary disk. There is no consensus yet among astronomers whether to classify the object as a sub-brown dwarf (with planets) or a rogue planet (with moons). Cha 110913-773444 was discovered in 2004 by Kevin Luhman and others at Pennsylvania State University using the Spitzer Space Telescope and the Hubble Space Telescope, as well as two Earth-bound telescopes in Chile. == See also ==
* OTS 44 * SCR 1845-6357 * PSO J318.5-22
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