Thursday, September 3, 2015

Planet Wind/Stellar Wind Bow Shocks Influence Exoplanetary Evaporation

Planetary Evaporation and the Dynamics of Planet Wind/Stellar Wind Bow Shocks


Frank et al


We present initial results of a new campaign of simulations focusing on the interaction of planetary winds with stellar environments using Adaptive Mesh Refinement methods. We have confirmed the results of Stone &; Proga 2009 that an azimuthal flow structure is created in the planetary wind due to day/night temperatures differences. We show that a backflow towards the planet will occur with a strength that depends on the escape parameter. When a stellar outflow is included, we see unstable bow waves forming through the outflow's interaction with the planetary wind.

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