Other
Scientific paper
Jan 2009
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009aas...21340207m&link_type=abstract
American Astronomical Society, AAS Meeting #213, #402.07; Bulletin of the American Astronomical Society, Vol. 41, p.192
Other
1
Scientific paper
A code to compute the coupled planetary orbital, tidal, and thermal evolution has been constructed based on previous work by Fortney et al. (2007) and Jackson et al. (2008). The model is tested against the 40 known transiting systems. For each planet we search for a set of initial orbital parameters and a heavy element core size that allow the planet to evolve to the current observed radius and orbital parameters. In some cases tidal heating is capable of increasing the radius of the planet to agree with the observed value, where a planet with no migration or heating did not agree. However, there remain cases for which tidal evolution does not result in agreement between the model and observation. In these cases the model usually predicts a smaller radius than observed. Our results suggest either some other mechanism inhibits cooling of the planet's interior, such as double diffusion, or other heating sources exist that inflate the planet.
Fortney Jonathan J.
Jackson Bailey
Miller Neil
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