1. Graduate School of Science Tohoku University Sendai Japan
2. LATMOS/CNRS Sorbonne Université Paris France
3. Graduate School of Science The University of Tokyo Tokyo Japan
4. Planetary Plasma and Atmospheric Research Center Graduate School of Science Tohoku University Sendai Japan
5. Graduate School of Frontier Sciences The University of Tokyo Kashiwa Japan
6. Royal Belgian Institute for Space Aeronomy BIRA‐IASB Brussels Belgium
7. National Institute of Polar Research Tokyo Japan
8. The Graduate University for Advanced Studies, SOKENDAI Tachikawa Japan