*今田 馨¹、原田 裕己¹、Christopher Fowler²、Glyn Collinson³、Jasper Halekas⁴、Suranga Ruhunusiri⁴、Gina DiBraccio³、Norberto Romanelli³ (1.京都大学理学研究科、2. Department of Physics and Astronomy, West Virginia University、3.NASA Goddard Space Flight Center、4.Department of Physics and Astronomy, University of Iowa)