Astronomy and Astrophysics – Astronomy
Scientific paper
Sep 2009
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009dps....41.4201d&link_type=abstract
American Astronomical Society, DPS meeting #41, #42.01
Astronomy and Astrophysics
Astronomy
Scientific paper
Close-in gas giant planets are now familiar members of the growing family of extra-solar planets. Their short period orbits and proclivity for transiting has made them the target of numerous observational campaigns, and our knowledge of their structure and composition has increased dramatically over the past few years. However, despite their prevalence and important role in constraining a wide range of planetary models, fundamental questions about the dynamical behavior of their atmospheres remain, crucial for interpreting observations. I will discuss three-dimensional radiative hydrodynamical simulations of atmospheric flows on a wide variety of such objects, ranging from the well-known HD209458b to the more exotic rapidly rotating or highly eccentric objects. Such objects exhibit a range of unusual behavior including supersonic winds, shocks and instabilities, and time dependent behavior. I will review the results from models we have developed to study these processes with the goal of both explaining individual objects and the observed diversity among this class of planets.
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