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Dynamics of Retrograde Hot Jupiters

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If you have a question about this talk, please contact Alastair Sanderson.

Hot Jupiters are planets of roughly Jupiter’s mass orbiting their host star with periods smaller than about 10 days. It is likely that these planets formed at much larger distances from their host star and then migrated to their current location. Given this migration, it is surprising that many of these planets are seen with high inclinations relative to their star’s spin, and about 1 in 4 orbits retrograde. I will discuss various dynamical formation scenarios for these strange planets, such as bouts of strong, sudden planet-planet scattering or long-term (secular) planet-planet or planet-star interactions.

This talk is part of the Astrophysics Seminars series.

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