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Energetics of Coronal Mass Ejections

Published online by Cambridge University Press:  03 June 2005

Prasad Subramanian  and
Angelos Vourlidas
Prasad Subramanian
Affiliation:
Inter-University Centre for Astronomy and Astrophysics, P.O Bag 4, Ganeshkhind, Pune - 411007, India, email: psubrama@iucaa.ernet.in
Angelos Vourlidas
Affiliation:
Code 7663, Naval Research Lab, Washington, DC 20375, USA, email: vourlidas@nrl.navy.mil
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Abstract

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We examine the energetics of the best examples of flux-rope CMEs observed by LASCO in 1996-2001. We find that 69% of the CMEs in our sample experience a driving power in the LASCO field of view. For these CMEs which are driven, we examine if they might be deriving most of their driving energy by coupling to the solar wind. We do not find conclusive evidence to support this hypothesis. We adopt two different methods to estimate the energy that can possibly be released by the internal magnetic fields of the CMEs. We find that the internal magnetic fields are a viable source of driving power for these CMEs.To search for other articles by the author(s) go to: http://adsabs.harvard.edu/abstract_service.html

Keywords

Sun: coronaSun: coronal mass ejections (CMEs)Sun: magnetic fields
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 2004 , Issue IAUS226 , September 2004 , pp. 314 - 315
Copyright
© 2005 International Astronomical Union