Item type |
紀要論文(ELS) / Departmental Bulletin Paper(1) |
公開日 |
1985-07-01 |
タイトル |
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言語 |
en |
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タイトル |
Relationships between pulsating auroras and field-aligned electric currents |
言語 |
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言語 |
eng |
資源タイプ |
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資源タイプ識別子 |
http://purl.org/coar/resource_type/c_6501 |
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資源タイプ |
departmental bulletin paper |
ページ属性 |
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内容記述タイプ |
Other |
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内容記述 |
P(論文) |
著者名(英) |
Fujii, Ryoichi
Oguti, Takasi
Yamamoto, Tatsundo
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著者所属(英) |
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en |
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National Institute of Polar Research |
著者所属(英) |
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en |
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Geophysics Research Laboratory, University of Tokyo |
著者所属(英) |
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en |
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Geophysics Research Laboratory, University of Tokyo |
抄録(英) |
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内容記述タイプ |
Other |
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内容記述 |
On the basis of ground-based all-sky TV images of auroras and simultaneous data of magnetic fluctuations observed by MAGSAT, the relationships between pulsating auroras and field-aligned currents are examined. It is found that pulsating auroras are embedded in the southernmost region of the upward field-aligned currents, and that E-W component fluctuations of magnetic field at MAGSAT are related well to fluctuations in auroral luminosities along a trajectory of the magnetic foot point of MAGSAT at the altitude of 100km. The period of fluctuations is about 5s and the spatial extent of the pulsation corresponds to 40km in horizontal size in one of the examples. Although the separation of temporal variations from spatial structures is not yet made, the good relationships between auroral and magnetic fluctuations indicate that pulsating auroral patches are accompanied by field-aligned pair currents relevant to each pulsating auroral patch. |
雑誌書誌ID |
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収録物識別子タイプ |
NCID |
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収録物識別子 |
AA00733561 |
書誌情報 |
Memoirs of National Institute of Polar Research. Special issue
巻 36,
p. 95-103,
発行日 1985-07
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