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Simulation of particle precipitation and emission processes in electron auroras
https://doi.org/10.15094/00004170
https://doi.org/10.15094/000041703337218f-5bca-4d85-9975-70405954e146
名前 / ファイル | ライセンス | アクション |
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KJ00000036101 (1.4 MB)
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Item type | 紀要論文(ELS) / Departmental Bulletin Paper(1) | |||||
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公開日 | 1995-05-01 | |||||
タイトル | ||||||
タイトル | Simulation of particle precipitation and emission processes in electron auroras | |||||
言語 | ||||||
言語 | jpn | |||||
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 | 10.15094/00004170 | |||||
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) |
Onda,Kunizo
× Onda,Kunizo× Itikawa,Yukikazu |
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著者所属(英) | ||||||
en | ||||||
Faculty of Industrial Science and Technology, Science University of Tokyou/Institute of Space and Astronautical Science | ||||||
抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | Electron auroras are theoretically investigated by using the Monte Carlo method. The MSIS-86 model is employed to represent the atmospheric number density and temperature corresponding to the aurora observed at around latitude 58° and longitude 142° on October 21,1989. Only N_2,O and O_2 are taken into account as components of the atmosphere. Electrons are injected downward into the upper atmosphere at the altitude of 400km. The initial electron energy E_0 is considered to be 100 and 500eV. It is assumed that the initial pitch angle is uniformly distributed. Emission rates for the red and green lines of atomic oxygen, and the first negative band system of nitrogen molecular ions, are specifically calculated as a function of altitude and the initial electron energy. The photo-emission of the red line dominates over that of the green line or those from the first negative band system, if the emission occurs at altitude above 280km and the initial energy of the precipitating electrons is below a few hundred eV. These results serve as a qualitative model to understand the characteristic features seen in the low latitude electron auroras. | |||||
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 8, p. 24-36, 発行日 1995-05 |
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出版者 | ||||||
出版者 | National Institute of Polar Research |