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Large amplitude electromagnetic fluctuations in the inner plasma sheet region observed by the Akebono satellite
https://doi.org/10.15094/00004239
https://doi.org/10.15094/00004239cf5545fc-d7e9-4af0-9de6-f28b52af23fa
名前 / ファイル | ライセンス | アクション |
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KJ00000035942 (1.1 MB)
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Item type | 紀要論文(ELS) / Departmental Bulletin Paper(1) | |||||
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公開日 | 1998-01-01 | |||||
タイトル | ||||||
タイトル | Large amplitude electromagnetic fluctuations in the inner plasma sheet region observed by the Akebono satellite | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | departmental bulletin paper | |||||
ID登録 | ||||||
ID登録 | 10.15094/00004239 | |||||
ID登録タイプ | JaLC | |||||
ページ属性 | ||||||
内容記述タイプ | Other | |||||
内容記述 | P(論文) | |||||
著者名(英) |
Nagatsuma, Tsutomu
× Nagatsuma, Tsutomu× Fukunishi, Hiroshi× Hayakawa, Hajime× Mukai, Toshifumi |
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著者所属(英) | ||||||
en | ||||||
Hiraiso Solar Terrestrial Research Center | ||||||
著者所属(英) | ||||||
en | ||||||
Department of Astronomy and Geophysics, Tohoku University | ||||||
著者所属(英) | ||||||
en | ||||||
Institute of Space and Astronautical science | ||||||
著者所属(英) | ||||||
en | ||||||
Institute of Space and Astronautical science | ||||||
抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | We studied large amplitude electromagnetic fluctuations in the inner plasma sheet using magnetic field, electric field, and particle data obtained from the Akebono satellite. Only five large amplitude electromagnetic fluctuation events are found in the Akebono data set obtained in January and February 1990. These events occurred around 65°invariant latitude, having a narrow ~1 deg.) latitudinal width. In association with these fluctuations, field-aligned electrons and upward flowing ions are observed. The ground magnetic field variations near the satellite footpoint shows intensification and fluctuation of the westward electrojet during these events. Further, from the analysis of the amplitude and phase relationship between electric and magnetic fields, we conclude that these events are caused by superposition of incident and reflected Alfven waves or traveling Alfven waves. Our data analysis suggest that these large amplitude events are a transient process originating in the near-earth magnetotail region. It is possible that the energy source of this event is related to the substorm current system. | |||||
雑誌書誌ID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA10756224 | |||||
書誌情報 |
Proceedings of the NIPR Symposium on Upper Atmosphere Physics 巻 11, p. 72-80, 発行日 1998-01 |
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出版者 | ||||||
出版者 | National Institute of Polar Research |