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题名: Some new observing features of a solar radio spectral event on August 25, 1999
作者: Xu, FY; Liu, YY; Yao QiJun(姚骑均); Fu, QJ; Meng Xuan(孟璇); Wu, HA
刊名: CHINESE PHYSICS LETTERS
出版日期: 2000
卷号: 17, 期号:11, 页码:850-852
文章类型: Article
英文摘要: A broad band solar radio type III burst was observed on August 25,1999 at Purple Mountain Observatory with waveband of 4.5-7.6 GHz. It was also observed at Beijing Astronomical Observatory with waveband of 5.2-7.6 GHz. Therefore, it is the first common spectral event observed in China. The type III bursts are gathered into more than 10 groups and drift in opposite directions, but the reverse drifting prevails. The largest bandwidth of type III burst reaches greater than or equal to3 GHz and may be the broadest bandwidth of the reverse type III burst ever observed up to the present. Some new observing characteristics of fine structures are found, for example, fiber-like, V-shaped and neck-ringlike structures. Especially, the neck-ring-like structure is probably first discovered in cm waveband and may be the evidence of twisted rope of magnetic lines.
WOS标题词: Science & Technology ; Physical Sciences
类目[WOS]: Physics, Multidisciplinary
研究领域[WOS]: Physics
关键词[WOS]: ELECTRON-BEAMS ; FINE-STRUCTURE ; FLARE ; EMISSION ; BURSTS
收录类别: SCI
语种: 英语
WOS记录号: WOS:000165462400025
Citation statistics:
内容类型: 期刊论文
URI标识: http://libir.pmo.ac.cn/handle/332002/15993
Appears in Collections:南极天文中心_期刊论文

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作者单位: 1.Chinese Acad Sci, Purple Mt Observ, Nanjing 210008, Peoples R China
2.Chinese Acad Sci, Beijing Astron Observ, Beijing 100012, Peoples R China
3.Chinese Acad Sci, Natl Astron Observ, Beijing 100864, Peoples R China
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