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首页> 外文期刊>Journal of Geophysical Research. Biogeosciences >Magnetospheric response to magnetic cloud (coronal mass ejection) events: Relativistic electron observations from SAMPEX and Polar
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Magnetospheric response to magnetic cloud (coronal mass ejection) events: Relativistic electron observations from SAMPEX and Polar

机译:磁层对磁云(日冕物质抛射)事件的响应:来自SAMPEX和Polar的相对论电子观测

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In this paper we report on relativistic electron (energies of approx.> 2 MeV) observations using detectors onboard SAMPEX and Polar satellites. The spacecraft orbits are such that a global view of the outer zone is obtained covering a wide range of energy and pitch angle. We have examined the magnetospheric electron effects of nine magnetic cloud events identified using sensors onboard the Wind spacecraft. It is confirmed, as suspected from earlier, more limited work, that the relativistic electron flux enhancements in outer zone show a high degree of coherence that is largely independent of pitch angle, L shell and energy. Furthermore, the flux enhancements occur over a broad range of L values. The observations imply that the underlying acceleration mechanism (s) are of a global nature operating simultaneously over much of the outer zone.
机译:在本文中,我们报告了使用SAMPEX和Polar卫星上的探测器对相对论电子(能量大约> 2 MeV)进行观测的情况。航天器的轨道使外部区域的全局视图覆盖了大范围的能量和俯仰角。我们检查了九种利用“风”飞船上的传感器识别出的磁云事件的磁层电子效应。正如从较早的更有限的工作中所怀疑的那样,证实了相对论电子通量增强在外部区域中表现出高度的相干度,该相干度很大程度上与桨距角,L壳和能量无关。此外,磁通量的增强发生在很大的L值范围内。这些观察结果表明,潜在的加速机制具有整体性,并且在大部分外部区域同时运行。

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