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Tidal Dissipation in Stars and Giant Planets

2014/08/18 by Gordon I. Ogilvie · 23 citations
Physics and Astronomy · #Stellar, planetary, and galactic studies #Astro and Planetary Science #Solar and Space Plasma Dynamics

paper · doi:10.1146/annurev-astro-081913-035941

Abstract

Astrophysical fluid bodies that orbit close to one another induce tidal distortions and flows that are subject to dissipative processes. The spin and orbital motions undergo a coupled evolution over astronomical timescales, which is relevant for many types of binary star, short-period extrasolar planetary systems, and the satellites of the giant planets in the Solar System. I review the principal mechanisms that have been discussed for tidal dissipation in stars and giant planets in both linear and nonlinear regimes. I also compare the expectations based on theoretical models with recent observational findings.

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