This WISE image centered on the brown dwarf Cha 110913-773444.
Epoch J2000.0 Equinox J2000.0
|Right ascension||11h 09m 13.63s|
|Declination||-77° 34' 44.6"|
|Apparent magnitude (V)||+21.59|
|Absolute magnitude (MV)||+18.1|
|Mass||8 (+7 to −3) MJ, 0.008 M☉|
|Radius||1.8 RJ, 0.18 R☉|
Cha 110913-773444 (sometimes abbreviated Cha 110913) is an astronomical object surrounded by what appears to be a protoplanetary disk. It lies at a distance of 163 ly from Earth. 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.
- OTS 44, a rogue planet
- SCR 1845-6357, a binary system with a faint red dwarf and a brown dwarf
- PSO J318.5-22, a rogue planet
- Whitney Clavin (2005-11-29). "A Planet With Planets? Spitzer Finds Cosmic Oddball". NASA. Retrieved 2006-03-26.
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