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首页> 外文期刊>Journal of Geophysical Research, A. Space Physics: JGR >An analysis of magnetic reconnection events and their associated auroral enhancements
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An analysis of magnetic reconnection events and their associated auroral enhancements

机译：事件和磁场重联的分析相关的极光增强

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An analysis of simultaneous reconnection events in the near-Earth magnetotail and enhancements in the aurora is undertaken. Exploiting magnetospheric data from the Geotail, Cluster, and Double Star missions, along with auroral images from the IMAGE and Polar missions, the relationship between a reconnection signature and its auroral counterpart is explored. In this study of 59 suitable reconnection events, we find that 43 demonstrate a clear coincidence of reconnection and auroral enhancement. The magnetic local time (MLT) locations of these 43 reconnection events are generally located within ±1 h MLT of the associated auroral enhancement. A positive correlation coefficient of 0.8 between the two MLT locations is found. The enhancements are localized and short-lived (τ≤10 min) and are as likely to occur during the substorm process as in isolation of a substorm. No significant dependence of the reconnection or auroral enhancement location on the dusk-dawn components of the solar wind velocity (V_y), IMF (B_y) or local B_y or V_y, as measured by the reconnection-detecting spacecraft, is found.
机译：同时重新连接事件的分析近地磁尾和增强极光是承担。从Geotail磁性层的数据,集群,和双星的任务,以及极光图像从图像和极地任务,重新连接签名和之间的关系极光同行探讨。59个合适的重新连接事件的研究,我们发现那43展示清晰的巧合重新连接和极光增强。磁(MLT)当地时间地点这些43重新连接事件通常位于±1 h MLT的极光增强有关。积极的之间的相关系数为0.8两个MLT找到位置。是局部和短暂的(τ≤10分钟),是谁作为亚暴过程中可能发生在隔离的亚暴。重新连接或极光的依赖增强位置dusk-dawn组件太阳风速度(V_y),国际货币基金组织(IMF)或(的话)当地的话或V_y,来衡量的reconnection-detecting航天器,被发现。

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