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

  • Ichiro Yoshikawa
    Department of Complexity Science and Engineering University of Tokyo Kashiwa Japan
  • Kazuo Yoshioka
    Department of Earth and Planetary Science University of Tokyo Tokyo Japan
  • Go Murakami
    Institute of Space and Astronautical Science Japan Aerospace Exploration Agency Sagamihara Japan
  • Fumiharu Suzuki
    Department of Earth and Planetary Science University of Tokyo Tokyo Japan
  • Reina Hikida
    Department of Earth and Planetary Science University of Tokyo Tokyo Japan
  • Atsushi Yamazaki
    Institute of Space and Astronautical Science Japan Aerospace Exploration Agency Sagamihara Japan
  • Tomoki Kimura
    Institute of Space and Astronautical Science Japan Aerospace Exploration Agency Sagamihara Japan
  • Fuminori Tsuchiya
    Planetary Plasma and Atmospheric Research Center Tohoku University Sendai Japan
  • Masato Kagitani
    Planetary Plasma and Atmospheric Research Center Tohoku University Sendai Japan
  • Takeshi Sakanoi
    Planetary Plasma and Atmospheric Research Center Tohoku University Sendai Japan
  • Kazunori Uemizu
    National Astronomical Observatory of Japan Mitaka Japan
  • Chihiro Tao
    National Institute of Information and Communications Technology Koganei Japan
  • Hiromasa Nozawa
    National Institute of Technology Kagoshima College Kirishima Japan
  • Yasumasa Kasaba
    Department of Geophysics Tohoku University Sendai Japan
  • Masaki Fujimoto
    Institute of Space and Astronautical Science Japan Aerospace Exploration Agency Sagamihara Japan

書誌事項

公開日
2016-11-23
資源種別
journal article
権利情報
  • http://onlinelibrary.wiley.com/termsAndConditions#vor
DOI
  • 10.1002/2016gl070706
公開者
American Geophysical Union (AGU)

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説明

<jats:title>Abstract</jats:title><jats:p>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.</jats:p>

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