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Error Estimates in the Measurements of Mass and Energy in White Light CMEs

Published online by Cambridge University Press:  03 June 2005

Angelos Vourlidas
Angelos Vourlidas
Affiliation:
Naval Research Laboratory, Washington DC, USA email: angelos.vourlidas@nrl.navy.mil
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Abstract

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Due to the optically thin nature of the white light emission, all measurements of the energetics and dynamics of a CME are based on sky-plane projected quantities. The extent and distribution of the CME material along the line of sight is unknown. Thus, CME measurements have an inherent degree of uncertainty. In this paper, I identify the various (possible) sources of errors associated with measurements of CME mass and energy (e.g., instrumental, random, projections effects, etc) and give an error budget for the final measurements. I apply these errors to the statistics of mass and energy for several thousand CMEs observed with LASCO in 1996-2003.To search for other articles by the author(s) go to: http://adsabs.harvard.edu/abstract_service.html

Keywords

Sun: coronal mass ejections (CMEs)
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 2004 , Issue IAUS226 , September 2004 , pp. 76
Copyright
© 2005 International Astronomical Union