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Coronal Mass Ejections and the Largest Solar Energetic Particle Events

Published online by Cambridge University Press:  03 June 2005

Ruiguang Wang  and
Jingxiu Wang
Ruiguang Wang
Affiliation:
National Astronomical Observatories, Chinese Academy of Sciences, Beijing 100012, China Institute of Science and Technology for Opto-Electron Information, Yantai University, Yantai 264005, China
Jingxiu Wang
Affiliation:
National Astronomical Observatories, Chinese Academy of Sciences, Beijing 100012, China
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Abstract

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We studied the association between SEP events during 1977-2003 and related CMEs and found each GLE event was associated with a primary CME, which was faster (average speed $\sim$1762 $km \cdot s^{-1}$) and wider (average angle width of $317^{0}$) than an average CME . All SEP-related CMEs distributed within solar source regions of latitude strip of S$30^{0}$-N$40^{0}$, while 11 (85%)GLE-related CMEs originated from the western hemisphere. These fast halo CMEs (75% full-halo and 25% partial-halo) were associated with type II radio bursts in the decameter hectometer (DH) wavelengths.To search for other articles by the author(s) go to: http://adsabs.harvard.edu/abstract_service.html

Keywords

Sun: coronal mass ejections (CMEs)particle emissionradio radiation
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 2004 , Issue IAUS226 , September 2004 , pp. 379 - 380
Copyright
© 2005 International Astronomical Union