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首页> 外文期刊>Journal of Geophysical Research, A. Space Physics: JGR >Mirror mode structures in the asymmetric Hermean magnetosheath: Hybrid simulations
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Mirror mode structures in the asymmetric Hermean magnetosheath: Hybrid simulations

机译：结构不对称Hermean镜像模式磁鞘:混合模拟

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摘要

Results of two global three-dimensional hybrid simulations of the solar wind interaction with the Hermean magnetosphere are presented for southward and northward interplanetary magnetic field (IMF) orientations. Important dawn-dusk asymmetries of the Hermean bow shock and magnetosheath are observed depending on the IMF orientation. For the southward IMF, the dawnside has a thicker magnetosheath with higher β values and slower bulk velocities compared to the duskside, whereas for the northward IMF, the duskside has a thicker and higher β magnetosheath with slower bulk velocities. Mirror mode activity consequently appears at the dawnside for the southward IMF and at the duskside for the northward IMF. A mechanism for the bow shock and magnetosheath asymmetries is proposed and discussed in the context of the Hermean and terrestrial magnetosheaths.
机译：两个全球三维混合的结果太阳风相互作用的模拟并给出了Hermean磁气圈向南和向北行星际磁场字段(IMF)方向。不对称的Hermean弓形激波磁鞘是根据国际货币基金组织取向。有更厚的β值较高的磁鞘和散装速度较慢duskside,而IMF向北,duskside厚和高β磁鞘与散装速度慢。因此在dawnside出现南国际货币基金组织和在duskside国际货币基金组织(IMF)向北。提出了磁鞘不对称在Hermean的上下文和讨论地面磁鞘。

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