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Magnetospheric Mult...
Magnetospheric Multiscale Mission observations and non-force free modeling of a flux transfer event immersed in a super-Alfvenic flow
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- Farrugia, C. J. (author)
- Univ New Hampshire, Ctr Space Sci, Durham, NH 03824 USA.
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- Lavraud, B. (author)
- Univ Toulouse, Inst Rech Astrophys, Toulouse, France.;CNRS, Toulouse, France.,NASA, Goddard Space Flight Ctr, Greenbelt, MD USA.
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- Torbert, R. B. (author)
- Univ New Hampshire, Ctr Space Sci, Durham, NH 03824 USA.
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- Argall, M. (author)
- Univ New Hampshire, Ctr Space Sci, Durham, NH 03824 USA.
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- Kacem, I. (author)
- Univ Toulouse, Inst Rech Astrophys, Toulouse, France.
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- Yu, W. (author)
- Univ New Hampshire, Ctr Space Sci, Durham, NH 03824 USA.
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- Alm, L. (author)
- Uppsala universitet,Institutet för rymdfysik, Uppsalaavdelningen,Univ New Hampshire, Ctr Space Sci, Durham, NH 03824 USA.
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- Burch, J. (author)
- Southwest Res Inst, San Antonio, TX USA.
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- Russell, C. T. (author)
- Univ Calif Los Angeles, Los Angeles, CA USA.
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- Shuster, J. (author)
- Univ New Hampshire, Ctr Space Sci, Durham, NH 03824 USA.
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- Dorelli, J. (author)
- NASA, Goddard Space Flight Ctr, Greenbelt, MD USA.
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- Eastwood, J. P. (author)
- Imperial Coll London, Blackett Lab, London, England.
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- Ergun, R. E. (author)
- Univ Colorado, Boulder, CO 80309 USA.
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- Fuselier, S. (author)
- Southwest Res Inst, San Antonio, TX USA.;Univ Texas San Antonio, Dept Space Sci, San Antonio, TX USA.
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- Gershman, D. (author)
- Uppsala universitet,Institutet för rymdfysik, Uppsalaavdelningen,Uppsala universitet, Institutet för rymdfysik, Uppsalaavdelningen
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- Giles, B. L. (author)
- NASA, Goddard Space Flight Ctr, Greenbelt, MD USA.
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- Khotyaintsev, Yuri V. (author)
- Uppsala universitet,Institutet för rymdfysik, Uppsalaavdelningen,Uppsala universitet, Institutet för rymdfysik, Uppsalaavdelningen
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- Lindqvist, Per-Arne, 1954- (author)
- Swedish Institute of Space Physics, Sweden
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- Matsui, H. (author)
- Univ New Hampshire, Ctr Space Sci, Durham, NH 03824 USA.
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- Marklund, Göran T. (author)
- Uppsala universitet,Institutet för rymdfysik, Uppsalaavdelningen,Swedish Institute of Space Physics, Sweden
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- Phan, T. D. (author)
- Space Sci Lab, Berkeley, CA USA.
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- Paulson, K. (author)
- Univ New Hampshire, Ctr Space Sci, Durham, NH 03824 USA.
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- Pollock, C. (author)
- NASA, Goddard Space Flight Ctr, Greenbelt, MD USA.
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- Strangeway, R. J. (author)
- Univ Calif Los Angeles, Los Angeles, CA USA.
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Univ New Hampshire, Ctr Space Sci, Durham, NH 03824 USA Univ Toulouse, Inst Rech Astrophys, Toulouse, France.;CNRS, Toulouse, France. (creator_code:org_t)
- American Geophysical Union (AGU), 2016
- 2016
- English.
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In: Geophysical Research Letters. - : American Geophysical Union (AGU). - 0094-8276 .- 1944-8007. ; 43:12, s. 6070-6077
- Related links:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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https://urn.kb.se/re...
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Abstract
Subject headings
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- We analyze plasma, magnetic field, and electric field data for a flux transfer event (FTE) to highlight improvements in our understanding of these transient reconnection signatures resulting from high-resolution data. The similar to 20 s long, reverse FTE, which occurred south of the geomagnetic equator near dusk, was immersed in super-Alfvenic flow. The field line twist is illustrated by the behavior of flows parallel/perpendicular to the magnetic field. Four-spacecraft timing and energetic particle pitch angle anisotropies indicate a flux rope (FR) connected to the Northern Hemisphere and moving southeast. The flow forces evidently overcame the magnetic tension. The high-speed flows inside the FR were different from those outside. The external flows were perpendicular to the field as expected for draping of the external field around the FR. Modeling the FR analytically, we adopt a non-force free approach since the current perpendicular to the field is nonzero. It reproduces many features of the observations.
Subject headings
- NATURVETENSKAP -- Fysik -- Astronomi, astrofysik och kosmologi (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Astronomy, Astrophysics and Cosmology (hsv//eng)
- NATURVETENSKAP -- Geovetenskap och miljövetenskap -- Geofysik (hsv//swe)
- NATURAL SCIENCES -- Earth and Related Environmental Sciences -- Geophysics (hsv//eng)
Keyword
- detailed plasma behavior in and around FTE; draping signatures around an FTE; nonforce-free modeling of the FTE flux rope
Publication and Content Type
- ref (subject category)
- art (subject category)
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To the university's database
- By the author/editor
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Farrugia, C. J.
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Lavraud, B.
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Torbert, R. B.
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Argall, M.
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Kacem, I.
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Yu, W.
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show more...
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Alm, L.
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Burch, J.
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Russell, C. T.
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Shuster, J.
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Dorelli, J.
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Eastwood, J. P.
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Ergun, R. E.
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Fuselier, S.
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Gershman, D.
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Giles, B. L.
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Khotyaintsev, Yu ...
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Lindqvist, Per-A ...
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Matsui, H.
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Marklund, Göran ...
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Phan, T. D.
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Paulson, K.
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Pollock, C.
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Strangeway, R. J ...
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show less...
- About the subject
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Physical Science ...
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and Astronomy Astrop ...
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Earth and Relate ...
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and Geophysics
- Articles in the publication
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Geophysical Rese ...
- By the university
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Royal Institute of Technology
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Uppsala University