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首页> 外文期刊>Journal of Geophysical Research, A. Space Physics: JGR >Deflected propagation of a coronal mass ejection from the corona to interplanetary space
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Deflected propagation of a coronal mass ejection from the corona to interplanetary space

机译：日冕物质抛射的偏转传播从电晕星际空间

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摘要

Among various factors affecting the space weather effects of a coronal mass ejection (CME), its propagation trajectory in the interplanetary space is an important one determining whether and when the CME will hit the Earth. Many direct observations have revealed that a CME may not propagate along a straight trajectory in the corona, but whether or not a CME also experiences a deflected propagation in the interplanetary space is a question, which has never been fully answered. Here by investigating the propagation process of an isolated CME from the corona to interplanetary space during 12–19 September 2008, we present solid evidence that the CME was deflected not only in the corona but also in the interplanetary space. The deflection angle in the interplanetary space is more than 20? toward the west, resulting a significant change in the probability the CME encounters the Earth. A further modeling and simulation-based analysis suggests that the cause of the deflection in the interplanetary space is the interaction between the CME and the solar wind, which is different from that happening in the corona.
机译：在各种影响因素空间天气日冕物质抛射(CME)的影响,其在星际传播轨迹空间是一个重要的一个决定CME时可能会撞击地球。观测表明,CME不得沿直线传播的轨迹冕,但芝加哥商品交易所是否也经历行星际转移传播空间是一个问题,没有完全回答。一个孤立的CME从电晕的过程在2008年9月12 -行星际空间,我们提供确凿的证据,芝加哥商品交易所不仅在日冕偏转还在行星际空间。星际空间超过20吗?西方,产生一个重大的变化概率CME遇到地球。进一步进行建模和仿真分析表明引起的挠度行星际空间之间的相互作用芝加哥商品交易所和太阳风,这是不同的从这个发生在日冕。

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