School of Earth and space Sciences, Peking University, Department of Geophysics, Peking University, Beijing, 100871 China
School of Earth and space Sciences, Peking University, Department of Geophysics, Peking University, Beijing, 100871 China
National Astronomy Observatory, National Astronomy Observatory, China, Beijing, 100080 China
School of Earth and space Sciences, Peking University, Department of Geophysics, Peking University, Beijing, 100871 China
CSSAR, CAS, CSSAR, CAS, China, Beijing, 100080 China
Center for Space Physics, Boston University, Center for Space Physics, Boston University, USA, Boston, MA 02215, USA
Space and Atmospheric Physics Group, The Blackett Laboratory, Imperial College, Space and Atmospheric Physics Group, The Blackett Laboratory, Imperial College, UK, London, sw72bz United Kingdom
Space Research Institute, Austrian Academy of Sciences, Space Research Institute, Austrian Academy of Sciences, Austria, Graz, A-8042 Austria
IGM, TU Branuschweig, IGM, TU Branuschweig, Germany, Branuschweig, D-38023 Germany
CETP/IPSL, CETP/IPSL, France, Tuluose, F-31028 France
CETP/IPSL, CETP/IPSL, France, Tuluose, F-31028 France
Space Sciences Division, Rutherford Appleton Laboratory, Space Sciences Division, Rutherford Appleton Laboratory, UK, London, OX110QX United Kingdom