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Free Floating Planets

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Exoplanetary Scratchpad

[SysBP Img]

ListEdit

ConfirmedEdit

  • PSO J318.5-22 System - Free floating planet 80 light years away found in 2013. With an estimated mass of as low as 6 Jupiters, it is the first confirmed free floating planet which could not be a brown dwarf. Discovered by the Pan-STARRS wide field telescope in Hawaii. Probably a member of the Beta Pictoris Moving Group. Its mass, temperature, and color are much more similar to photographed planets found in star systems than other free floating objects, which are more like low mass L Brown Dwarves. Discovered during a Pan-STARRS 1 search for brown dwarves, in which it stood out as by far the reddest of the bunch. It is easier to study than imaged planets in star systems, since there is no glare from a star to interfere.

UnconfirmedEdit

  • MOA-2011-BLG-262 System - A two bodied system detected during microtransiting event which are possibly a rogue planet and its exomoon. This would be the first time an exomoon was detected, though it may never be confirmed. In 2011, a microtransiting event (brightening) was detected, followed by a smaller one an hour later. It could be a rogue 4-Jupiter planet and its half-Earth mass moon located 1800ly away. Alternatively, it could be a much further very small star or brown dwarf orbited by a Neptune mass planet.
  • CFBDSIR 2149-0403 System - The closest thing to a confirmed rogue planet found in 2012. There is a slight chance it could be a brown dwarf though.
  • TMR-1 System - A binary star in the Taurus molecular cloud with a photoed object C (potentially a planet or brown dwarf) appearing to have been ejected by the system and shown pulling some dust away from the binary. This could have been the first visually detected planet, found in 1998. Later, it was said to be a background star by its discoverer. New evidence supports that this is indeed a planet, as archive photos found the star to have brightened in the past. As of 2013, its planetary status is still uncertain.

NewsEdit

More Evidence of Free-Floating Planets (Feb 2012)Edit

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