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首页> 外文期刊>Journal of Geophysical Research, A. Space Physics: JGR >The overall configuration of the interplanetary magnetic field upstream of Saturn as revealed by Cassini observations
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The overall configuration of the interplanetary magnetic field upstream of Saturn as revealed by Cassini observations

机译：整个星际的配置土星磁场上游了卡西尼号的观察

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摘要

The Cassini spacecraft approached Saturn during the declining phase of the solar cycle, at a time when the heliosphere was highly structured by compressions and rarefactions associated with corotating interaction regions (CIRs). We examine in detail the hourly averaged interplanetary magnetic field (IMF) data prior to Saturn Orbit Insertion and during one subsequent orbit of Cassini closer to solar minimum, where the spacecraft spent several months in the solar wind. We observe the effects of CIRs on IMF structure and show examples of where this structure is disturbed by the passage of strong coronal mass ejections and by solar cycle effects. We examine the field directions and find that in general, they correspond well to the predictions of the Parker model, but with several notable deviations, which we discuss.
机译：在卡西尼宇宙飞船靠近土星太阳活动周期的下降阶段,日球层时高度结构化的按压和稀疏共转交互区域(cir)。详细每小时平均星际磁场(IMF)的数据之前,土星轨道插入和在随后的轨道卡西尼号接近太阳,宇宙飞船在太阳度过了几个月风。结构和展示的示例结构是被强大的通道日冕物质抛射和太阳活动周期效果。一般来说,他们的相对应帕克的预测模型,但与几个明显的偏差,我们讨论。

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