Unravelling the CME-CME interaction event of early September 2014

Anwesha Maharana, Katholieke Universiteit Leuven, Leuven, Belgium, Camilla M Scolini, University of New Hampshire, Durham, NH, United States, Brigitte Schmieder, Observatoire de Paris, LESIA, Meudon, France and Stefaan Poedts, KU Leuven, Centre for mathematical Plasma-Astrophysics, Leuven, Belgium