Effects of coronal mass ejections on distant coronal streamers

被引：0
作者：
B. P. Filippov
P. Kayshap
A. K. Srivastava
O. V. Martsenyuk
机构：
[1] IZMIRAN,Institute of Terrestrial Magnetism, Ionosphere and Radio Wave Propagation
[2] Aryabhatta Research Institute of Observational Sciences,Department of Physics
[3] Indian Institute of Technology (Banaras Hindu University),undefined
来源：
Astronomy Reports | 2014年 / 58卷
关键词：
Coronal Mass Ejection; Solar Phys; Astronomy Report; Coronal Streamer; Kink Wave;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The effects of a large coronal mass ejection (CME) on a solar coronal streamer located roughly 90° from the main direction of the CME propagation observed on January 2, 2012 by the SOHO/LASCO coronograph are analyzed. Radial coronal streamers undergo some bending when CMEs pass through the corona, even at large angular distances from the streamers. The phenomenon resembles a bending wave traveling along the streamer. Some researchers interpret these phenomena as the effects of traveling shocks generated by rapid CMEs, while others suggest they are waves excited inside the streamers by external impacts. The analysis presented here did not find convincing arguments in favor of either of these interpretations. It is concluded that the streamer behavior results from the effect of the magnetic field of a moving magnetic flux rope associated with the coronal ejection. The motion of the large-scale magnetic flux rope away from the Sun changes the surrounding magnetic field lines in the corona, and these changes resemble the half-period of a wave running along the streamer.
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页码：578 / 586
页数：8
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