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Persistent URL
http://purl.org/net/epubs/work/10689079
Record Status
Checked
Record Id
10689079
Title
Magnetic topologies of an in vivo FTE observed by Double Star/TC-1 at Earth's magnetopause
Contributors
ZY Pu
,
J Raeder
,
J Zhong
,
YV Bogdanova (STFC Rutherford Appleton Lab.)
,
M Dunlop (STFC Rutherford Appleton Lab.)
,
CJ Xiao
,
XG Wang
,
A Fazakerley
Abstract
Flux transfer events (FTEs) are magnetic flux ropes formed at planetary magnetopauses (MPs). Although evidence suggests that FTEs form through time-dependent magnetic reconnection, details of that process and 3D structure of the flux ropes remain largely unclear. This letter presents Double Star/TC-1 data of an FTE occurred on 7 April 2004 which show that the FTE was separated by two X-lines moving south-dawnward. In particular, the electron energy-pitch angle distribution implies that the FTE was composed of flux ropes of all four possible magnetic topologies, indicating that the field lines must have reconnected multiple times. This is an intrinsic property of FTEs formed by 3D multiple X-line reconnection distinguished from quasi 2D FTE models. This knowledge of FTE magnetic topologies helps to improve our understanding of solar wind- magnetosphere coupling at the MP.
Organisation
STFC
,
RALSP
Keywords
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Language
English (EN)
Type
Details
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Year
Journal Article
Geophys Res Lett
40, no. 14 (2013): 3502-3506.
doi:10.1002/grl.50714
2013
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