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首页> 外文期刊>Annales Geophysicae >The role of lateral magnetic reconnection in solar eruptive events
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The role of lateral magnetic reconnection in solar eruptive events

机译：横向磁重联在太阳爆发事件中的作用

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On 10-11 December 2005 a slow CME occurred in between two coronal streamers in the Western Hemisphere. SOHO/MDI magnetograms show a multipolar magnetic configuration at the photosphere consisting of a complex of active regions located at the CME source and two bipoles at the base of the lateral coronal streamers. White light observations reveal that the expanding CME affects both of the lateral streamers and induces the release of plasma within or close to them. These transient phenomena are possibly due to magnetic reconnections induced by the CME expansion that occurs either inside the streamer current sheet or between the CME flanks and the streamer. Our observations show that CMEs can be associated to not only a single reconnection process at a single location in the corona, but also to many reconnection processes occurring at different times and locations around the flux rope. Numerical simulations are used to demonstrate that the observed lateral reconnections can be reproduced. The observed secondary reconnections associated to CMEs may facilitate the CME release by globally decreasing the magnetic tension of the corona. Future CME models should therefore take into account the lateral reconnection effect.
机译：2005年12月10日至11日，西半球的两个日冕带之间发生了缓慢的CME。 SOHO / MDI磁图显示了光球上的多极磁配置，该磁极由位于CME源处的多个活动区域和位于侧向冠状stream骨底部的两个双极组成。白光观测结果表明，不断膨胀的CME影响着两个横向拖缆，并诱导了其内部或附近的血浆释放。这些瞬态现象可能是由于在拖缆电流板内部或CME侧面与拖缆之间发生的CME膨胀引起的磁重连。我们的观察表明，CME不仅可以与电晕中单个位置的单个重新连接过程相关，而且还可以与在磁通绳周围不同时间和位置发生的许多重新连接过程相关。数值模拟用于证明所观察到的横向重新连接可以再现。观察到的与CME相关的二次重新连接可通过整体降低电晕的磁张力来促进CME释放。因此，未来的CME模型应考虑横向重新连接效应。

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