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Exoplanetary Scratchpad

[SysBP Img]

A red-dwarf orange dwarf binary system 2,300 ly way containing a circumbinary planet discovered by Kepler. The super-Neptune (65 ME) orbits the pair every 66 days. Its orbital precession causes it to vary its axis tilt by 30degrees every 11 years, which would cause wildly varying seasons. This type of precession observable at human timescales has never been observed before (Earth's is 23.5 degrees over 26,000 years). Also, its orbit is tilted 2.5degrees with respect to the plane of the star's orbital plane. This causes transits only to occur during a favorable line up period (three transits, followed by no transits, then five transits, the next predicted not until 2020), suggesting other planets that are not transiting now could transit in the near future.

Kepler-413 System Web Pages[]

Kepler-413 System In the News[]

Exoplanet With Wild Wobble Found (2014)[]

See Also[]

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