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Classifying the Mag...
Classifying the Magnetosheath Behind the Quasi-Parallel and Quasi-Perpendicular Bow Shock by Local Measurements
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- Karlsson, Tomas, 1964- (author)
- KTH,Rymd- och plasmafysik
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- Raptis, Savvas (author)
- KTH,Rymd- och plasmafysik
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- Trollvik, Henriette (author)
- KTH,Rymd- och plasmafysik
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- Nilsson, H. (author)
- Swedish Inst Space Phys, Kiruna, Sweden.
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(creator_code:org_t)
- American Geophysical Union (AGU), 2021
- 2021
- English.
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In: Journal of Geophysical Research - Space Physics. - : American Geophysical Union (AGU). - 2169-9380 .- 2169-9402. ; 126:9
- Related links:
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https://doi.org/10.1...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Subject headings
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- We investigate and evaluate the possibility of using local magnetosheath measurements to classify the plasma according to upstream conditions. In order to do this, we use simultaneous measurements from the Cluster spacecraft from time intervals when one of them is located in the solar wind, and the other in the magnetosheath. In particular, we study the classification of the magnetosheath plasma into the classes quasi-parallel versus quasi-perpendicular and foreshock/no foreshock (referring to the geometry of the upstream bow shock). We evaluate this method based on the magnetosheath measurements of the high-energy ion energy flux, magnetic field standard deviation, and ion temperature anisotropy. We find that the method is promising and useful, in that it eliminates the uncertainties associated with propagating upstream measurements made far from the bow shock. Finally, we discuss some possible extensions of the methodology to be investigated in the future.
Subject headings
- NATURVETENSKAP -- Fysik -- Fusion, plasma och rymdfysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Fusion, Plasma and Space Physics (hsv//eng)
Keyword
- magnetosheath
- solar wind
- bow shock
- quasi-parallel
- quasi-perpendicular
- classification
Publication and Content Type
- ref (subject category)
- art (subject category)
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