| 太阳NOAA6891活动区磁中性线的分析 |
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| 引用本文： | 李碧强,宋慕陶,胡福民.太阳NOAA6891活动区磁中性线的分析[J].天文学报,1997(2). |
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| 作者姓名： | 李碧强 宋慕陶 胡福民 |
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| 作者单位： | 中国科学院紫金山天文台!南京，210008 |
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| 摘 要： | 太阳活动高产区NOAA6891是一个岛型δ黑子，它有5条中性线，表现出不同的性质．其中第3条的横场比较弱，但是由于有剪切，所以有耀斑活动．而第2条中性线的横场较大，剪切得非常厉害，所以在这个区域产生了大量的耀斑，包括2个白光耀斑．正因为如此，所以要对磁场作三维分析，其中用磁场拓扑界面来分析是一种好的途径．
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| 关 键 词： | 磁场中性线 磁场拓扑界面 耀斑 |
AN ANALYSIS OF THE MAGNETIC INVERSION LINES IN SOLAR ACTIVE REGION NOAA 6891 |
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| Li Bi-qiang,Song Mo-tao,Hu Fu-ming.AN ANALYSIS OF THE MAGNETIC INVERSION LINES IN SOLAR ACTIVE REGION NOAA 6891[J].Acta Astronomica Sinica,1997(2). |
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| Authors: | Li Bi-qiang Song Mo-tao Hu Fu-ming |
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| Abstract: | The superactive region NOAA 6891 is an : island" delta-sunspot. There are five magnetic inversion lines in it. Across the 2nd and 3rd invedon lines there are highly sheared field configurations, and at there two places a lot of flares occurred.Especially near the 2nd inversion line, two white-light flares were produced. Magnetic inversion lines have different characteristics. This is due to their different magnetic circumstances. So we should study three-dimensional magnetic fields, and it is a useful way to study the magnetic topology separatrices. |
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| Keywords: | magnetic inversion line magnetic topology separatrix solar flare |
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