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double transit

(star showing transits of two bodies)

A double transit is a stellar phenomena suggesting two bodies transiting the star, i.e., evidence of a system with at least two extra-solar planets. Such a stellar system is termed a double transit system. The transits may overlap, suggesting a moon or a very lucky find of planets in resonance.

An alternate way of detecting multi-planet systems is transit timing variationses.


(exoplanets,planets,transient type)
http://arxiv.org/abs/astro-ph/0501440

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