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首页> 外文期刊>Geophysical Research Letters >An unusual current sheet in an ICME: Possible association with C/2006 P1 (McNaught)
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An unusual current sheet in an ICME: Possible association with C/2006 P1 (McNaught)

机译:ICME中的一个不寻常的最新工作表:可能与C / 2006 P1(McNaught)相关联

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摘要

On December 15, 2006, a strong ICME crossed the twin STEREO spacecraft while they were still close together in near-Earth space. In the midst of this traversal, a strong current sheet was observed in the magnetic records, whose properties are inconsistent with our present understanding of the magnetic structure of an interplanetary coronal mass ejection (ICME). A possible cause of this current sheet is the extended dust trail of C/2006 P1 (McNaught), whose orbital plane the ICME traversed close to the Sun. If this association is correct, then charged dust can produce twists in the interplanetary magnetic field that can persist for an AU or longer. Further, as a result of this electromagnetic interaction, small dust particles can be carried out of the solar system.
机译:2006年12月15日,一架强大的ICME穿越了双STEREO航天器,当时它们仍在近地空间靠在一起。在这种穿越过程中,在磁记录中观察到了很强的电流,其性质与我们目前对行星际冠状物质抛射(ICME)的磁性结构的理解不一致。造成这一现状的一个可能原因是C / 2006 P1(麦克诺德)的尘埃痕迹扩大,ICME的轨道平面接近太阳。如果这种关联是正确的,则带电尘埃会在行星际磁场中产生扭曲,这种扭曲会持续AU或更长时间。此外,由于这种电磁相互作用,可以将小尘埃颗粒带出太阳系。

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