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HR 7162 System

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Exoplanetary Scratchpad

[SysBP Img]

Binary star system (aka HD 176051) with a period of about 61 years consisting of a 1.07 and 0.7 mass stars. Astrometry has discovered a planet (nicknamed Inrakluk by its discoverers) around one of these stars (one of many such claims to be first planet discovered with this technique), though it is not certain which star it is orbiting. If it is orbiting the smaller star, it is 1.5 MJ and 1.76 AU, while if it is orbiting the larger one, it is 2.26 MJ and 2.02 AU. Its existence presents a challenge to the core accretion model because the other star is close enough that it should have disrupted any such material before a planet could have formed. This supports the gravitational collapse method, which could have occurred much quicker. The planet is often compared to Tattoine.

HR 7162 System Web Pages

HR 7162 System In the News

Binary Star Planetary System Found (Oct 2010)

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