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A discussion of correlations between spiral morphology of sunspot penumbra and high energetic flares
Ding YJ(丁有济); Zhang BR(张柏荣); Li WB(李维宝); Hong QF(洪琴芳); Li ZK(李治凯)
发表期刊CHINESE ASTRONOMY
1977
卷号1期号:1页码:131-152
DOI10.1016/0146-6364(77)90028-7
产权排序第1完成单位
收录类别SCI
摘要The present paper is concerned with a preliminary statistical analysis of the photographical morphology of sunspot groups observed at Yunnan Observatory during March 1970– December 1972. 1. 1. There exists a higher frequency (⩾55%) of flare production in those regions in which persistent (⩾2 days) penumbral spiral structure is observed. 2. 2. There is a close correlation (∼ 84%) between the above mentioned regions and energetic flares. 3. 3. About 90% of energetic flares in the above mentioned regions appeared an average of 3.8 days later after the occurrence of spiral spots. A possible cause and ef effect relation may exist in these phenomena. The above conclusions may be useful in the construction of a flare theory with reference to twisting instability of magnetic field.
语种英语
学科领域Astronomy & Astrophysics
文章类型Article
ISSN0146-6364
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WOS记录号WOS:A1977ED56100011
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
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被引频次:2[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ynao.ac.cn/handle/114a53/5988
专题太阳物理研究组
作者单位Yunnan Observatory, Academia Sinica, China
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GB/T 7714
Ding YJ,Zhang BR,Li WB,et al. A discussion of correlations between spiral morphology of sunspot penumbra and high energetic flares[J]. CHINESE ASTRONOMY,1977,1(1):131-152.
APA Ding YJ,Zhang BR,Li WB,Hong QF,&Li ZK.(1977).A discussion of correlations between spiral morphology of sunspot penumbra and high energetic flares.CHINESE ASTRONOMY,1(1),131-152.
MLA Ding YJ,et al."A discussion of correlations between spiral morphology of sunspot penumbra and high energetic flares".CHINESE ASTRONOMY 1.1(1977):131-152.
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