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Occurrence of reconnection jets at the dayside magnetopause: Double Star observations
Trenchi, L.; Marcucci, M. F.; Pallocchia, G.; Consolini, G.; Cattaneo, M. B. B.; Di Lellis, A. M.; Reme, H.; Kistler, L.; Carr, C. M.; Cao, J. B.; 北京8701信箱
Department空间天气学国家重点实验室
Source PublicationJournal of Geophysical Research-Space Physics
2008
Volume113Issue:A7Pages:A07S10
ISSN0148-0227
Language英语
KeywordInterplanetary Magnetic-field Earths Magnetopause Boundary-layer Flow Instrument Shear
AbstractWe present a statistical study on reconnection occurrence at the dayside magnetopause performed using the Double Star TC1 plasma and magnetic field data. We examined the magnetopause crossings that occurred during the first year of the mission in the 0600 1800 LT interval and we identified plasma flows, at the magnetopause or in the boundary layer, with a different velocity with respect to the adjacent magnetosheath. We used the Walen relation to test which of these flows could be generated by magnetic reconnection. For some event we observed opposite-directed reconnection jets, which could be associated with the passage of the X-line near the satellite. We analyzed the occurrence of the reconnection jets and reconnection jet reversals in relation to the magnetosheath parameters, in particular the local Alfven Mach number, the plasma beta, and the magnetic shear angle. We also studied the positions and velocities of the reconnection jets and jet reversals in relation to the magnetosheath magnetic field clock angle. We found that the observations indicate the presence of a reconnection line hinged near the subsolar point and tilted according to the observed magnetosheath clock angle, consistently with the component merging model.
Indexed BySCI
Funding Project中国科学院空间科学与应用研究中心
Document Type期刊论文
Identifierhttp://ir.nssc.ac.cn/handle/122/1104
Collection空间科学部
Corresponding Author北京8701信箱
Recommended Citation
GB/T 7714
Trenchi, L.,Marcucci, M. F.,Pallocchia, G.,et al. Occurrence of reconnection jets at the dayside magnetopause: Double Star observations[J]. Journal of Geophysical Research-Space Physics,2008,113(A7):A07S10.
APA Trenchi, L..,Marcucci, M. F..,Pallocchia, G..,Consolini, G..,Cattaneo, M. B. B..,...&北京8701信箱.(2008).Occurrence of reconnection jets at the dayside magnetopause: Double Star observations.Journal of Geophysical Research-Space Physics,113(A7),A07S10.
MLA Trenchi, L.,et al."Occurrence of reconnection jets at the dayside magnetopause: Double Star observations".Journal of Geophysical Research-Space Physics 113.A7(2008):A07S10.
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