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Observation of HF noise in an intense aurora by the sounding rocket S-310JA-7
https://nipr.repo.nii.ac.jp/records/1270
https://nipr.repo.nii.ac.jp/records/1270aa1dba28-777c-4ed2-865a-b3905a94e3fb
名前 / ファイル | ライセンス | アクション |
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KJ00000011905 (1.6 MB)
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Item type | 紀要論文(ELS) / Departmental Bulletin Paper(1) | |||||
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公開日 | 1982-09-01 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Observation of HF noise in an intense aurora by the sounding rocket S-310JA-7 | |||||
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 | |||||
ページ属性 | ||||||
内容記述タイプ | Other | |||||
内容記述 | P(論文) | |||||
著者名(英) |
Nakamura, Yoshiharu
× Nakamura, Yoshiharu× Nomura, Yuzi |
|||||
著者所属(英) | ||||||
en | ||||||
The Institute of Space and Astronautical Science | ||||||
著者所属(英) | ||||||
en | ||||||
The Institute of Space and Astronautical Science | ||||||
抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | Observation of noise in the frequency range from 0.6 to 7.6MHz has been made in an auroral plasma up to approximately 220km by an instrument (PWN-H) on board the S-310JA-7 sounding rocket. This rocket was launched at 1915 : 50 UT on March 27,1978 from Syowa Station in Antarctica, just prior to an intense auroral substorm (magnetic H component decrease=-700nT and 30MHz CNA=-5dB). The observed HF emissions are classified into three types according to their frequency ranges and spectral shape; 1) High level and narrow band signals whose frequencies are nearly equal to n(ƒ)_<ce> or (n+1/2)(ƒ)_<ce>, where n is an integer and (ƒ)_<ce> is the electron gyrofrequency. 2) A low level broad band emission whose upper-limiting frequency is below the local electron plasma frequency. 3) Signals at frequencies below f_<ce>. Excitation mechanism of these waves in the aurora is discussed. | |||||
雑誌書誌ID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA00733561 | |||||
書誌情報 |
Memoirs of National Institute of Polar Research. Special issue 巻 22, p. 196-206, 発行日 1982-09 |