NSSC OpenIR
Kinetic-scale Flux Rope in the Magnetosheath Boundary Layer
Alternative TitleWOS:000551687100001
Yao, S. T.; Shi, Q. Q.; Guo, R. L.; Yao, Z. H.; Fu, H. S.; Degeling, A. W.; Zong, Q. G.; Wang, X. G.; Russell, C. T.; Tian, A. M.; Xiao, Y. C.; Zhang, H.; Wang, S. M.; Hu, H. Q.; Liu, J.; Liu, H.; Li, B.; Giles, B. L.
Source PublicationASTROPHYSICAL JOURNAL
2020
Volume897Issue:2Pages:137
DOI10.3847/1538-4357/ab9620
ISSN0004-637X
Language英语
KeywordSpace plasmas Geomagnetic fields Plasma physics Magnetohydrodynamics Planetary magnetosphere TRANSFER EVENTS MAGNETIC RECONNECTION MMS OBSERVATIONS ELECTRON DYNAMICS FIELD MAGNETOPAUSE DISSIPATION PROPAGATION REGION WAVES
AbstractWe here present a new type of kinetic-scale (similar to 1 ion gyroradius) flux rope (KFR) in the Earth's dayside magnetosheath boundary layer with Magnetospheric Multiscale high temporal cadence data. This structure exhibits a slight twist of magnetic field that is possibly generated by a field-aligned current, which differs from typical dayside flux ropes usually observed within the current sheet where magnetic reconnection can occur. The perpendicular electron fluxes within 19-52 eV are increased similar to 10% inside the KFR. Detailed analysis shows that these perpendicular electrons may encounter their mirror point (at the position of the KFR, strong field region) when traveling from the magnetosheath toward the ionosphere and will be reflected to the magnetosheath. A possible scenario is that this KFR is different from previous flux ropes that transfer electron flux to the magnetosphere but could intercept magnetosheath large pitch angle electron flux to the magnetosphere.
Indexed BySCI
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Document Type期刊论文
Identifierhttp://ir.nssc.ac.cn/handle/122/7570
Collection中国科学院国家空间科学中心
Affiliation1.[Yao, S. T.
2.Shi, Q. Q.
3.Degeling, A. W.
4.Tian, A. M.
5.Xiao, Y. C.] Shandong Univ, Inst Space Sci, Shandong Prov Key Lab Opt Astron & Solar Terr Env, Weihai 264209, Peoples R China
6.[Yao, S. T.
7.Liu, J.] Chinese Acad Sci, Natl Space Sci Ctr, State Key Lab Space Weather, Beijing 100190, Peoples R China
8.[Guo, R. L.] Chinese Acad Sci, Inst Geol & Geophys, Key Lab Earth & Planetary Phys, Beijing 100029, Peoples R China
9.[Yao, Z. H.] Univ Liege, STAR Inst, Lab Phys Atmospher & Planetaire, Liege, Belgium
10.[Fu, H. S.] Beihang Univ, Sch Space & Environm, Beijing, Peoples R China
11.[Zong, Q. G.
12.Liu, H.] Peking Univ, Sch Earth & Space Sci, Beijing 100871, Peoples R China
13.[Wang, X. G.] Harbin Inst Technol, Dept Phys, Harbin 150001, Peoples R China
14.[Russell, C. T.] Univ Calif Los Angeles, Dept Earth Planetary & Space Sci, Los Angeles, CA USA
15.[Zhang, H.] Univ Alaska Fairbanks, Phys Dept, Fairbanks, AK USA
16.[Zhang, H.] Univ Alaska Fairbanks, Geophys Inst, Fairbanks, AK USA
17.[Wang, S. M.] Univ Sci & Technol China, Dept Geophys & Planetary Sci, CAS Key Lab Geospace Environm, Hefei 230026, Peoples R China
18.[Hu, H. Q.] Polar Res Inst China, SOA Key Lab Polar Sci, Shanghai, Peoples R China
19.[Li, B.] Wuhan Univ, Chinese Antarctic Ctr Surveying & Mapping, Wuhan 430079, Peoples R China
20.[Giles, B. L.] NASA, Goddard Space Flight Ctr, Greenbelt, MD USA
Recommended Citation
GB/T 7714
Yao, S. T.,Shi, Q. Q.,Guo, R. L.,et al. Kinetic-scale Flux Rope in the Magnetosheath Boundary Layer[J]. ASTROPHYSICAL JOURNAL,2020,897(2):137.
APA Yao, S. T..,Shi, Q. Q..,Guo, R. L..,Yao, Z. H..,Fu, H. S..,...&Giles, B. L..(2020).Kinetic-scale Flux Rope in the Magnetosheath Boundary Layer.ASTROPHYSICAL JOURNAL,897(2),137.
MLA Yao, S. T.,et al."Kinetic-scale Flux Rope in the Magnetosheath Boundary Layer".ASTROPHYSICAL JOURNAL 897.2(2020):137.
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