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Bonn 2020 – wissenschaftliches Programm

Die DPG-Frühjahrstagung in Bonn musste abgesagt werden! Lesen Sie mehr ...

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EP: Fachverband Extraterrestrische Physik

EP 13: Exoplanets and Astrobiology

EP 13.3: Vortrag

Freitag, 3. April 2020, 10:45–11:00, H-HS VIII

Star-planet interaction: Alfvén wings and Stellar winds — •Christian Fischer and Joachim Saur — Institut für Geophysik und Meteorologie, Universität zu Köln

Star-planet interaction is the equivalent process of the well known moon-planet interaction in our solar system. The differences between both processes lie in the geometries of the background magnetic fields and the plasma flow relative to the magnetic field. In the case of star-planet interaction the resulting Alfvén wing and other wave structures of the exoplanet are controlled by structures in the stellar wind. Therefore we apply an MHD model to simulate how different stellar wind conditions affect Alfvén wings. In our presentation we show results of theses MHD simulations and discuss their implication on properties of star-planet interaction.

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