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Observations of Dynamical Flux Ropes and Active Multiple X-Line Reconnection at Earth's Magnetopause
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- Zhong, Z. H. (författare)
- Nanchang Univ, Inst Space Sci & Technol, Nanchang, Peoples R China.;Nanchang Univ, Sch Phys & Mat Sci, Nanchang, Peoples R China.
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- Lei, G. Y. (författare)
- Nanchang Univ, Inst Space Sci & Technol, Nanchang, Peoples R China.;Nanchang Univ, Sch Phys & Mat Sci, Nanchang, Peoples R China.
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- Zhou, M. (författare)
- Nanchang Univ, Inst Space Sci & Technol, Nanchang, Peoples R China.;Nanchang Univ, Sch Phys & Mat Sci, Nanchang, Peoples R China.
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- Zhang, M. (författare)
- Nanchang Univ, Inst Space Sci & Technol, Nanchang, Peoples R China.;Nanchang Univ, Sch Phys & Mat Sci, Nanchang, Peoples R China.
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- Tang, R. X. (författare)
- Nanchang Univ, Inst Space Sci & Technol, Nanchang, Peoples R China.;Nanchang Univ, Sch Phys & Mat Sci, Nanchang, Peoples R China.
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- Graham, Daniel B. (författare)
- Uppsala universitet,Institutet för rymdfysik, Uppsalaavdelningen
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- Pang, Y. (författare)
- Nanchang Univ, Inst Space Sci & Technol, Nanchang, Peoples R China.;Nanchang Univ, Sch Phys & Mat Sci, Nanchang, Peoples R China.
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- Deng, X. H. (författare)
- Nanchang Univ, Inst Space Sci & Technol, Nanchang, Peoples R China.;Nanchang Univ, Sch Phys & Mat Sci, Nanchang, Peoples R China.
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- Khotyaintsev, Yuri V. (författare)
- Uppsala universitet,Institutet för rymdfysik, Uppsalaavdelningen
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Nanchang Univ, Inst Space Sci & Technol, Nanchang, Peoples R China;Nanchang Univ, Sch Phys & Mat Sci, Nanchang, Peoples R China. Institutet för rymdfysik, Uppsalaavdelningen (creator_code:org_t)
- American Geophysical Union (AGU), 2023
- 2023
- Engelska.
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Ingår i: Journal of Geophysical Research - Space Physics. - : American Geophysical Union (AGU). - 2169-9380 .- 2169-9402. ; 128:3
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- This paper presents the magnetospheric multiscale (MMS) observations of three flux ropes (FRs) sequentially in a reconnection exhaust at Earth's magnetopause. Three active X-lines, which are responsible for the formation of these FRs, were also detected by MMS, providing strong evidence that the FRs were generated by multiple X-line reconnection. We find that the core field inside the FRs considerably affects the Hall current in the adjacent X-lines. The intense core field of the FRs deflected the electron outflow jet, forming the electron-scale Hall magnetic field on the magnetosheath side. Additionally, an active secondary reconnection was observed at the center of one FR. This secondary reconnection split the FR into two smaller FRs and produced sharp density gradients and intense fluctuations of electric field and current within the FR. These observations advance the understanding of the formation and evolution of FRs during multiple X-line reconnection at magnetopause.
Ämnesord
- NATURVETENSKAP -- Fysik -- Astronomi, astrofysik och kosmologi (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Astronomy, Astrophysics and Cosmology (hsv//eng)
Nyckelord
- multiple X-line reconnection
- flux ropes
- Earth's magnetopause
- secondary reconnection
- electron-scale Hall magnetic field
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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