Bonn 2020 – scientific programme

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EP: Fachverband Extraterrestrische Physik

EP 7: Planets and small Objects I

EP 7.2: Talk

Thursday, April 2, 2020, 11:30–11:45, H-HS VIII

MHD-Simulation of Io's Alfven Wings — •Stephan Schlegel and Joachim Saur — Institut für Geophysik und Meteorologie, Universität zu Köln

The electromagnetic interaction between Jupiter and its innermost Galilean moon Io is a prime example for moon-planet and star-planet interaction. A very striking feature is the Io Foot Print (IFP) in Jupiter's upper atmosphere.

With the Juno spacecraft orbiting Jupiter, new insights about the complex structure of the IFP have been achieved which can not be fully explained by the current models. A deeper understanding is necessary to explain current observations. For that purpose a simulation of the system with the single fluid MHD-Code Pluto is set up to analyse the effects of different aspects of the interaction. In this ongoing study, parameters like the density profile along the flux tube and the assymetry and substructure of Io's ionosphere are investigated.