Relating in situ observations of an interplanetary coronal mass ejection to the conditions at its site of origin in the solar corona


International audienceWe use solar remote sensing data (SOHO, Culgoora) and near-Earth in situ data (Cluster) to identify the CME source event and show that it was a long duration flare in which a magnetic flux rope was ejected, carrying overlying coronal arcade material along with it. We demonstrate that signatures of both the arcade material and the flux rope material are clearly identifiable in the Cluster and ACE data, indicating that the magnetic field orientations changed little as the material traveled to the Earth, and that the methods we used to infer coronal magnetic field configurations are effective

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oaioai:HAL:hal-00013069v1Last time updated on 11/12/2016

This paper was published in HAL-INSU.

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