Variations of System IV period of the sulfur ions in the Io torus for the volcanic event in 2015 observed by the HISAKI/EXCEED
Arakawa Ryo1, Hiroaki Misawa2, Fuminori Tsuchiya3, Masato Kagitani4, Kazuo Yoshioka5, Ichiro Yoshikawa6, Tomoki Kimura7, Go Murakami8 and Atsushi Yamazaki8, (1)Tohoku University, Sendai, Japan, (2)Tohoku Univ, Sendai, Japan, (3)Tohoku University, Department of Geophysics, Graduate School of Science, Sendai, Japan, (4)PPARC, Tohoku University, Sendai, Japan, (5)ISAS/JAXA, Kanagawa, Japan, (6)The University of Tokyo, Tokyo, Japan, (7)Frontier Research Institute for Interdisciplinary Sciences, Tohoku University, Sendai, Japan, (8)ISAS/JAXA, Sagamihara, Kanagawa, Japan
