Katharina Ostaszewski¹, Phillip Heinisch¹, Bruce Tsurutani², Ingo Richter¹, Martin Rubin³ and Karl-Heinz Glassmeier¹, (1)Technical University of Braunschweig, Braunschweig, Germany, (2)NASA Jet Propulsion Laboratory, Pasadena, CA, United States, (3)University of Bern, Physics Institute, Space Research and Planetary Sciences, Bern, Switzerland