Longitudinal Structure of Oxygen Torus in the Inner Magnetosphere: Simultaneous Observations by Arase and Van Allen Probe A
書誌事項
- 公開日
- 2018-10-16
- 資源種別
- journal article
- 権利情報
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- © 2018 American Geophysical Union
- DOI
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- 10.1029/2018gl080122
- 公開者
- Wiley
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説明
Simultaneous observations of the magnetic field and plasma waves made by the Arase and Van Allen Probe A satellites at different magnetic local time (MLT) enable us to deduce the longitudinal structure of an oxygen torus for the first time. During 04:00–07:10 UT on 24 April 2017, Arase flew from L = 6.2 to 2.0 in the morning sector and detected an enhancement of the average plasma mass up to ~3.5 amu around L = 4.9–5.2 and MLT = 5.0 hr, implying that the plasma consists of approximately 15% O^+ ions. Probe A moved outbound from L = 2.0 to 6.2 in the afternoon sector during 04:10–07:30 UT and observed no clear enhancements in the average plasma mass. For this event, the O^+ density enhancement in the inner magnetosphere (i.e., oxygen torus) does not extend over all MLT but is skewed toward the dawn, being described more precisely as a crescent‐shaped torus or a pinched torus.
収録刊行物
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- Geophysical Research Letters
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Geophysical Research Letters 45 (19), 10177-10184, 2018-10-16
Wiley
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詳細情報 詳細情報について
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- CRID
- 1050845763744007296
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- NII論文ID
- 120006583741
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- ISSN
- 19448007
- 00948276
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- HANDLE
- 2237/00029443
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- Web Site
- https://nagoya.repo.nii.ac.jp/records/27244
- https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1029%2F2018GL080122
- https://onlinelibrary.wiley.com/doi/pdf/10.1029/2018GL080122
- https://onlinelibrary.wiley.com/doi/full-xml/10.1029/2018GL080122
- https://agupubs.onlinelibrary.wiley.com/doi/am-pdf/10.1029/2018GL080122
- https://agupubs.onlinelibrary.wiley.com/doi/pdf/10.1029/2018GL080122
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- 本文言語コード
- en
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- 資料種別
- journal article
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