*Yuki Harada¹, Jasper S. Halekas², Gina A. DiBraccio³, Shaosui Xu⁴, Suranga Ruhunusiri², Takuya Hara⁴, Jared Espley³, James P McFadden⁴, David L Mitchell⁴, Christian Mazelle⁵ (1.Graduate School of Science, Kyoto University, 2.Department of Physics and Astronomy, University of Iowa, 3.NASA Goddard Space Flight Center, 4.Space Sciences Laboratory, University of California, Berkeley, 5.IRAP, University of Toulouse, CNRS, UPS, CNES)