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☉|
|Age||0.5–10 x 106 years|
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 earthbound telescopes in Chile.
- Whitney Clavin (2005-11-29). "A Planet With Planets? Spitzer Finds Cosmic Oddball". NASA. Retrieved 2006-03-26.
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