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Identifying magnetic reconnection events using the FOTE method
Beihang Univ, Sch Space & Environm, Beijing 100191, Peoples R China..
Beihang Univ, Sch Space & Environm, Beijing 100191, Peoples R China..
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Swedish Institute of Space Physics, Uppsala Division.
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Swedish Institute of Space Physics, Uppsala Division.
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2016 (English)In: Journal of Geophysical Research - Space Physics, ISSN 2169-9380, E-ISSN 2169-9402, Vol. 121, no 2, 1263-1272 p.Article in journal (Refereed) PublishedText
Abstract [en]

A magnetic reconnection event detected by Cluster is analyzed using three methods: Single-spacecraft Inference based on Flow-reversal Sequence (SIFS), Multispacecraft Inference based on Timing a Structure (MITS), and the First-Order Taylor Expansion (FOTE). Using the SIFS method, we find that the reconnection structure is an X line; while using the MITS and FOTE methods, we find it is a magnetic island (O line). We compare the efficiency and accuracy of these three methods and find that the most efficient and accurate approach to identify a reconnection event is FOTE. In both the guide and nonguide field reconnection regimes, the FOTE method is equally applicable. This study for the first time demonstrates the capability of FOTE in identifying magnetic reconnection events; it would be useful to the forthcoming Magnetospheric Multiscale (MMS) mission. ion

Place, publisher, year, edition, pages
2016. Vol. 121, no 2, 1263-1272 p.
Keyword [en]
magnetic reconnection, MMS mission, FOTE method, magnetic null, X line, O line
National Category
Astronomy, Astrophysics and Cosmology
Identifiers
URN: urn:nbn:se:uu:diva-294594DOI: 10.1002/2015JA021701ISI: 000373002100023OAI: oai:DiVA.org:uu-294594DiVA: diva2:931013
Available from: 2016-05-26 Created: 2016-05-25 Last updated: 2016-05-26Bibliographically approved

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Vaivads, AndrisKhotyaintsev, Yuri V.Andre, M.Eriksson, Elin
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Swedish Institute of Space Physics, Uppsala DivisionDepartment of Physics and Astronomy
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Journal of Geophysical Research - Space Physics
Astronomy, Astrophysics and Cosmology

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