1. Space Science Institute, School of Astronautics; Beihang University; Beijing China
2. State Key Laboratory for Space Weather, Center for Space Science and Applied Research; Chinese Academy of Sciences; Beijing China
3. University of Chinese Academy of Sciences; Beijing China
4. Institut de Recherche en Astrophysique et Planétologie, CNRS; Toulouse France
5. UPS, IRAP; University of Toulouse; Toulouse France