| Solar Flare Activity and Variability of Electric Current Helicity |
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| 作者姓名： | KimJikSu Hong－QiZhang 等 |
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| 作者单位： | Kim Jik Su1'2，Hong-Qi Zhang1*，Kim Jin Song1'2，Kim Kum Sok12 and Xing-Ming Bao1 National Astronomical Observatories，Chinese Academy of Sciences，Beijing 100012 2 Pyongyang Astronomical Observatory，Academy of Sciences，DPR of Korea The Sun Received 200 |
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| 基金项目： | Chinese Academy of Sciences and the Third WOr1d Academy of Sciences (TWAS). |
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| 摘 要： | 1 INTRODUCTIONRecently Bao, Zhang, Ai, and Zhang (1999), using Huairou vector magnetograph data,have shown that the average current helicity (h.) or the curreflt helicity imbalance ph of activeregions change rapidly after so1ar flares. Up'an the onset of flares it tends to decrease for a fewhours and then to increase again, whereas ifQ some cases the flare promotes an increase in thecurrent helicity The observations led to tbe fol1owing conclusions: (1) raPid and substantialchanges of c…
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| 关 键 词： | 太阳 耀斑 磁场 |
Solar Flare Activity and Variability of Electric Current Helicity |
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| Kim Jik Su,Hong-Qi Zhang,Kim Jin Song,Kim Kum Sok,Xing-Ming Bao.Solar Flare Activity and Variability of Electric Current Helicity[J].Chinese Journal of Astronomy and Astrophysics,2002,2(1):81-91. |
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| Authors: | Kim Jik Su Hong-Qi Zhang Kim Jin Song Kim Kum Sok Xing-Ming Bao |
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| Institution: | [1]PyongyangAstronomicalObservatory,AcademyofSciences,DPRofKorea [2]NationalAstronomicalObservatories,ChineseAcademyofSciences,Beijing100012 |
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| Abstract: | |
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| Keywords: | Sun: flare -Sun: current helicity - Sun: magnetic shear |
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