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EP: Fachverband Extraterrestrische Physik

EP 7: Poster Session Extraterrestrics

EP 7.20: Poster

Dienstag, 31. März 2009, 17:30–19:00, Foyer der Zahnklinik

The dynamic response of the corona to photospheric driving — •Philippe-A. Bourdin, Sven Bingert, and Hardi Peter — Kiepenheuer-Institut für Sonnenphysik, Schöneckstr. 6, 79104 Freiburg, Deutschland

We present 3D MHD numerical experiments of coronal dynamics driven by photospheric horizontal motions. By comparing model runs with different resolutions and boundary conditions we investigate the connection from the chromosphere to the corona. The goal is to understand the injection of energy into the corona and the loading of coronal structures with mass. Through a comparison of the coronal structures found in the simulation with the spatial distribution of the heat input at the lower boundary we can study why bright loops fill only a small fraction of the available space.