Obliquity Tides on Hot Jupiters
Authors:
- 15 July 2005
- journal article
- research article
- Published by American Astronomical Society in The Astrophysical Journal
- Vol. 628 (2) , L159-L162
Abstract
Obliquity tides are a potentially important source of heat for extrasolar planets on close-in orbits. Although tidal dissipation will usually reduce the obliquity to zero, a nonzero obliquity can persist if the planet is in a Cassini state, a resonance between spin precession and orbital precession. Obliquity tides might be the cause of the anomalously large size of the transiting planet HD 209458b.Keywords
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