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Analysis of the Acceleration Process of SEPs by an Interplanetary Shock for Bastille Day Event

Published online by Cambridge University Press:  03 June 2005

G.M. Le  and
Y.B. Han
G.M. Le
Affiliation:
The National Astronomical Observatories, Chinese Academy of Sciences, Beijing 100012 National Center for Spaceweather Monitor and Forecast, Chinese Meteorological Administration, Beijing 100081 Present address: 20A Datun Road, Chaoyang District, Beijing, China
Y.B. Han
Affiliation:
The National Astronomical Observatories, Chinese Academy of Sciences, Beijing 100012
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Abstract

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Based on the solar energetic particle (SEP) data from ACE and GOES satellites, the acceleration of SEP by CME-driven shock in interplanetary space was investigated. The results showed that the acceleration process of SEP by the Bastille CME-driven shock ran through the whole space from the sun to the magnetosphere. The highest energy of SEP accelerated by the shock was greater than 100MeV. A magnetic bottle associated with the CME captured a lot of high energy particles with some of them having energy greater than 100MeV. Based on magnetic field data of solar wind observed by ACE data, we found that the the magnetic bottle associated with the Bastille CME was the sheath caused by the CME in fact.To search for other articles by the author(s) go to: http://adsabs.harvard.edu/abstract_service.html

Keywords

shock wavesSun: coronal mass ejections (CMEs)particle emission
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 2004 , Issue IAUS226 , September 2004 , pp. 346 - 349
Copyright
© 2005 International Astronomical Union