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Heliospheric current sheet distortions from adjacent outflowing transients : multi-spacecraft observations
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Foullon, C. (Claire), Lavraud, B., Owen, C. J. (Christopher J.), Fazakerley, A. N. and Skoug, R. M. (2010) Heliospheric current sheet distortions from adjacent outflowing transients : multi-spacecraft observations. In: 12th International Solar Wind Conference, St Milo, France, Jun 21-26, 2009. Published in: AIP Conference Proceedings, Vol.1216 (No.1). pp. 367-370.
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Official URL: http://dx.doi.org/10.1063/1.3395876
Abstract
The heliospheric current sheet (HCS) is a permanent solar wind feature, with well predicted Earth passages, but it can be structured and its main orientation can be highly distorted. We report new observations from 2 spacecraft in the solar wind (supported by observations from 3 spacecraft in the nightside magnetosheath), showing an evolution across the Sun-Earth line of large field reversals adjacent to the HCS. Contrary to a previously reported multi-spacecraft event, this case shows that the field inversion structure cannot be assumed to be well preserved and close to planar on the scale of the magnetospheric cross-section. However, both cases indicate the presence of field reversals in an away sector that is connected to the southern solar magnetic hemisphere but lies unexpectedly above a toward sector. Following the interpretation of the reversals as transient outflowing loops, associated initial flow deviations can be envisaged to account for the HCS deformations.
| Item Type: | Conference Item (Paper) |
|---|---|
| Subjects: | Q Science > QB Astronomy Q Science > QC Physics |
| Divisions: | Faculty of Science > Physics |
| Library of Congress Subject Headings (LCSH): | Heliosphere, Magnetosphere, Solar wind |
| Series Name: | AIP Conference Proceedings |
| Journal or Publication Title: | AIP Conference Proceedings |
| Publisher: | American Institute of Physics |
| ISBN: | 978-0-7354-0759-6 |
| ISSN: | 0094-243X |
| Editor: | Maksimovic, M and Issautier, K and MeyerVernet, N and Moncuquet, M and Pantellini, F |
| Date: | 25 March 2010 |
| Volume: | Vol.1216 |
| Number: | No.1 |
| Number of Pages: | 4 |
| Page Range: | pp. 367-370 |
| Identification Number: | 10.1063/1.3395876 |
| Status: | Peer Reviewed |
| Publication Status: | Published |
| Access rights to Published version: | Restricted or Subscription Access |
| Conference Paper Type: | Paper |
| Title of Event: | 12th International Solar Wind Conference |
| Type of Event: | Conference |
| Location of Event: | St Milo, France |
| Date(s) of Event: | Jun 21-26, 2009 |
| URI: | http://wrap.warwick.ac.uk/id/eprint/5280 |
Data sourced from Thomson Reuters' Web of Knowledge
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