Plasmoid releases in the heliospheric current sheet and associated coronal hole boundary layer evolution
- Foullon, Claire
- Lavraud, B.
- Luhmann, J.G.
- Farrugia, Charles J.
- Retino, A.
- Simunac, K.D.C.
- Wardle, N.C.
- Galvin, A.B.
- Kucharek, H.
- Owen, Christopher J.
- Popecki, M.
- Opitz, A.
- Sauvaud, J.A.
DOIAbstract
Copyright © 2011 American Astronomical Society / IOP PublishingAs the heliospheric current sheet (HCS) is corotating past STEREO-B, near-Earth spacecraft ACE, Wind and Cluster, and STEREO-A over more than three days between 2008 January 10 and 14, we observe various sections of (near-pressure-balanced) flux-rope- and magnetic-island-type plasmoids in the associated heliospheric plasma sheet (HPS). The plasmoids can qualify as slow interplanetary coronal mass ejections and are relatively low proton beta (<0.5) structures, with small length scales (an order of magnitude lower than typical magnetic cloud values) and low magnetic field strengths (2-8 nT). One of them, in particular, detected at STEREO-B, corresponds to the first reported eviden...
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