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EIT waves – A signature of global magnetic restructuring in CMEs

Published online by Cambridge University Press:  03 June 2005

P. F. Chen  and
C. Fang
P. F. Chen
Affiliation:
Department of Astronomy, Nanjing University, Nanjing 210093, China email: chenpf@nju.edu.cn
C. Fang
Affiliation:
Department of Astronomy, Nanjing University, Nanjing 210093, China email: chenpf@nju.edu.cn
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Abstract

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The discovery of “EIT waves” after the launch of SOHO spacecraft sparked wide interest among the coronal mass ejection (CME) community since they may be crucial to the understanding of CMEs. However, the nature of this phenomenon is still being hotly debated between fast-mode wave explanation and non-wave explanation. Accumulating observations have shown various features of the “EIT waves”. For example, they tend to be devoid of magnetic neutral lines and coronal holes; they may stop near the magnetic separatrix between the source region and a nearby active region; they may experience an acceleration from the vicinity of the source active region to the quiet region, and so on. This paper is aimed to review all these features, discuss how these observations may provide constraints for the theoretical models, and point out their implication to the understanding of CMEs.To search for other articles by the author(s) go to: http://adsabs.harvard.edu/abstract_service.html

Keywords

Sun: CMEswavesSun: UV radiationSun: activitymagnetic fields
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 2004 , Issue IAUS226 , September 2004 , pp. 55 - 64
Copyright
© 2005 International Astronomical Union