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Observations of a hybrid double-streamer/pseudostreamer in the solar corona

Observations of a hybrid double-streamer/pseudostreamer in the solar corona

Publication date: 21 May 2014

Authors: Rachmeler, L. A., et al.

Journal: The Astrophysical Journal Letters
Volume: 787
Issue: 1
Page: L3
Year: 2014

Copyright: IOP Publishing

We report on the first observation of a single hybrid magnetic structure that contains both a pseudostreamer and a double streamer. This structure was originally observed by the SWAP instrument on board the PROBA2 satellite between 2013 May 5 and 10. It consists of a pair of filament channels near the south pole of the Sun. On the western edge of the structure, the magnetic morphology above the filaments is that of a side-by-side double streamer, with open field between the two channels. On the eastern edge, the magnetic morphology is that of a coronal pseudostreamer without the central open field. We investigated this structure with multiple observations and modeling techniques. We describe the topology and dynamic consequences of such a unified structure.

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Last Update: Sep 1, 2019 8:35:00 AM
6-Jun-2020 14:50 UT

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