Properties of hot electrons in the Jovian inner magnetosphere deduced from extended observations of the Io Plasma Torus

Ichiro Yoshikawa, Kazuo Yoshioka, Go Murakami, Fumiharu Suzuki, Reina Hikida, Atsushi Yamazaki, Tomoki Kimura, Fuminori Tsuchiya, Masato Kagitani, Takeshi Sakanoi, Kazunori Uemizu, Chihiro Tao, Hiromasa Nozawa, Yasumasa Kasaba, Masaki Fujimoto

研究成果: Article査読

13 被引用数 (Scopus)

抄録

One of the focal points of interest in Jovian magnetospheric physics is the transport of energy and particles into the inner region. While an explosive energy release event in the midmagnetosphere is manifested as an aurora transient, its connection to the inner part has not been investigated due to sparsity of observations. Here we take the advantage of long-term and quasi-continuous simultaneous monitoring of the polar aurora and the Io Plasma Torus (IPT) located in the inner magnetosphere by Extreme Ultraviolet Spectroscope for Exospheric Dynamics/Hisaki. Studies on temporal characteristics over hours enable us to see slow (~10 h) coupling between the middle and inner magnetosphere as well as to quantify the temperature of hot electrons in the IPT. We derive parameters that characterize the strong particle acceleration process.

本文言語English
ページ(範囲)11,552-11,557
ジャーナルGeophysical Research Letters
43
22
DOI
出版ステータスPublished - 2016 11 28

ASJC Scopus subject areas

  • Geophysics
  • Earth and Planetary Sciences(all)

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