Radii and Orbits of Hot Jupiters

Details Radii and Orbits of Hot Jupiters Radii and Orbits of Hot Jupiters

Sep 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011ess.....2.1303w&link_type=abstract

American Astronomical Society, ESS meeting #2, #13.03

Astronomy and Astrophysics

Astronomy

Scientific paper

Hot jupiters suffer extreme external (stellar) and internal (tidal,
Ohmic and wind-power) heating. These lead to peculiar thermal
evolution, which is potentially self-destrutive. For instance, the
amount of energy deposited during tidal dissipation far exceeds the
planets' binding energy. If this energy is mostly deposited in shallow
layers, it does little damage to the planet. However, the presence of
stellar insolation changes the picture, and Ohmic/wind-power heating
further modifies the subsequent evolution of these jupiters. A
diversity of planetary sizes results. We tie these thermodynamical
processes together with the migration history of hot jupiters to
explain the orbital distribution and physical radii of hot jupiters.
Moreover, we constrain the location of tidal heating inside the
planet.

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