A study of surges and flares within an active region
A study of surges and flares within an active region
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DOI：
10.1007/bf00662177
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发表时间：
1993-07
期刊：
影响因子：
2.8
通讯作者：
Brigitte Schmieder;Lidia Driel-Gesztelyi;O. Gerlei;G. Simnett
中科院分区：
文献类型：
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作者：
Brigitte Schmieder;Lidia Driel-Gesztelyi;O. Gerlei;G. Simnett
活动区2684在1980年9月23日被太阳极大期使命和地面观测站同时观测了12个多小时。在这些观测期间，在活动区外围具有复杂寄生磁极性的区域上方检测到经常性浪涌。Hα浪涌、Cv增亮和X射线尖峰的时间演化表明，能量来源于日冕，来自磁场重联。能量由高能带电粒子沿着环传输，从而在粒子失去能量时加热色球层。在浪涌底部对应于小偶极子的点的发散运动表明存在重要的磁重组。根据磁场线配置（大环或开放结构），X射线可以（或不能）与浪涌相关。
Active region 2684 was observed by the Solar Maximum Mission and ground-based observatories simultaneously for over 12 hours on September 23, 1980. During these observations, recurrent surges were detected above an area with complex parasitic magnetic polarity located at the periphery of the active region. The time evolution of the Hαsurges, Civbrightenings and X-ray spikes leads to the conclusion that the energy source is in the corona, from magnetic reconnection. The energy is transported by energetic charged particles along the loops, thereby heating the chromosphere as the particles lose their energy. The divergent motion of the spots corresponding to small dipoles at the base of the surge indicates that there is important magnetic reorganisation. According to the magnetic field-line configuration (large loop or open structures), X-rays can (or cannot) be associated with surges.