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

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Rachmeler_2014_TAJL_Observations.pdf (633.9Kb)
Date
20/05/2014
Author
Rachmeler, L.A.
Platten, S.J.
Bethge, C.
Seaton, D.B.
Yeates, A.R.
Keywords
Sun: corona
Sun: filaments, prominences
Sun: magnetic fields
QB Astronomy
QC Physics
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Abstract
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.
Citation
Rachmeler , L A , Platten , S J , Bethge , C , Seaton , D B & Yeates , A R 2014 , ' Observations of a hybrid double-streamer/pseudostreamer in the solar corona ' , Astrophysical Journal Letters , vol. 787 , no. 1 , L3 . https://doi.org/10.1088/2041-8205/787/1/L3
Publication
Astrophysical Journal Letters
Status
Peer reviewed
DOI
https://doi.org/10.1088/2041-8205/787/1/L3
ISSN
2041-8205
Type
Journal article
Rights
© 2014. The American Astronomical Society. All rights reserved.
Description
D.B.S. and L.A.R. acknowledge support from the Belgian Federal Science Policy Office (BELSPO) through the ESA-PRODEX program, grant No. 4000103240. S.J.P. acknowledges the financial support of the Isle of Man Government.
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  • University of St Andrews Research
URI
http://hdl.handle.net/10023/5318

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