Polar cap arcs correlated with solar wind entry at the high latitude magnetosphere

被引：0
|
作者：
Mailyan, B. [1 ,2 ]
Shi, Q. Q. [1 ]
Gou, X. [1 ]
机构：
[1] Shandong Univ Weihai, Sch Space Sci & Phys, Shandong Prov Key Lab Opt Astron & Solar Terr Env, Weihai 264209, Peoples R China
[2] Yerevan Phys Inst, Cosm Ray Div, Yerevan 0036, Armenia
来源：
2014 XXXITH URSI GENERAL ASSEMBLY AND SCIENTIFIC SYMPOSIUM (URSI GASS) | 2014年
关键词：
AURORA;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Polar cap arcs are sun-aligned aurora structures occurring during northward turnings of the Interplanetary Magnetic Field (IMF) B-z component. At the same time, a new region of solar wind entry at the high latitude magnetosphere, tailward of the cusp region, was found recently at the periods of northward IMF Bz. We propose a study to see the relationship of these entry events with the transpolar arc formation. Data of Global Ultraviolet Imager (GUVI) onboard TIMED mission is examined to see the transpolar aurora arcs during the given time periods of the solar wind entry. Initial results show that in approximately 20% of cases transpolar arcs occur related to the solar wind entry processes.
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页数：3
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