MHD simulation scenarios of the stellar wind interaction with Hot Jupiter magnetospheres |
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| Institution: | 1. Max-Planck-Institut für Sonnensystemforschung, Max-Planck-Str. 2, 37191 Katlenburg-Lindau, Germany;2. Steinbeis-Europa-Zentrum, Innovation Relay Centre, c/o Haus der Wirtschaft, Erbprinzenstr. 4–12, 76133 Karlsruhe, Germany;3. Institut für Theoretische Physik IV, Ruhr-Universität Bochum, 44780 Bochum;4. Max-Planck-Institut für Sonnensystemforschung, Max-Planck-Str. 2, 37191 Katlenburg-Lindau, Germany;5. Institut für Theoretische Physik, Technische Universität Braunschweig, Mendelssohnstrasse 3, 38106 Braunschweig, Germany;1. Institut fuer Planetenforschung, Berlin, Germany;2. Thueringer Landessternwarte Tautenburg, Tautenburg, Germany;1. LPP, Ecole Polytechnique-CNRS-UPMC, Palaiseau, France;2. LATMOS/IPSL/CNRS, Université de Versailles-Saint Quentin, Versailles, France;3. LATMOS/IPSL/CNRS, Université Pierre et Marie Curie, Paris, France;1. Institute for Theoretical Physics, TU Braunschweig, Germany;2. Institute for Geophysics and Extraterrestrial Physics, TU Braunschweig, Germany;3. Max Planck Institute for Solar System Research, Katlenburg-Lindau, Germany;4. DLR-Institute for Planetary Research, Berlin, Germany;3. Beijing Institute of Space Long March Vehicle, China Academy of Launch Vehicle Technology, Beijing 100076, China |
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| Abstract: | We present three-dimensional numerical simulations of the interaction between a Hot Jupiter and the stellar wind plasma of its host star in the framework of resistive magnetohydrodynamics (MHD). In a first step, we investigate the numerical realization of the plasma flow around the planet and the planetary magnetic field using a simplified model, before we simulate more realistic scenarios on the basis of the stellar wind model by Weber and Davis. A main goal is to understand the magnetic interaction between star and planet. In analogy to the well-known Jupiter Io scenario, we study the development of a magnetic field-aligned current system in different parameter regimes. |
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