A new observation-based fitting method assuming an elliptical CME frontal shape and a variable speed
Tanja Amerstorfer1, Christian Moestl1,2, Alexey Isavnin3, Peter D Boakes1,2, Manuel Kubicka1 and Ute Amerstorfer4, (1)Space Research Institute, Austrian Academy of Sciences, Graz, Austria, (2)Institute of Physics, University of Graz, Graz, Austria, (3)University of Helsinki, Helsinki, Finland, (4)Austrian Academy of Sciences, Space Research Institute, Vienna, Austria
