14:50 〜 15:05
[PPS01-16] 「ひさき」観測から求める木星内部磁気圏の硫黄・酸素イオン空間分布
キーワード:イオプラズマトーラス、硫黄、酸素
The imaging spectrum of Io plasma torus in extreme ultraviolet (50-150nm) has been observed by EXCEED on Hisaki. We analyzed them using the spectrum diagnosis method and deduced the column averaged plasma parameters (such as S+, S++, S+++, O+, etc.) from the radial distance of 6 to 8 Jovian radii. The local densities of those ions are deduced and the clear increase of S+ (about 3 times) after the Io’s outburst event in 2015 are seen.