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Cross-correlations between CMEs and other Solar Activity Indices

Published online by Cambridge University Press:  03 June 2005

W.B. Song  and
J.X. Wang
W.B. Song
Affiliation:
National Astronomy Observatories, Chinese Academy of Sciences, Beijing 100012, China email: wenbin@ourstar.bao.ac.cn Present address: A20 Datun Rd., Chaoyang Dist., Beijing 100012, China
J.X. Wang
Affiliation:
National Astronomy Observatories, Chinese Academy of Sciences, Beijing 100012, China email: wenbin@ourstar.bao.ac.cn
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Abstract

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Using the list of CMEs observed by SOHO/LASCO, we compile a daily CME counts from January 1996 to December 2003. Cross-correlations between the CME counts and other three solar activity indices, i.e., flare index, sunspot number, and photospheric magnetic flux, are examined in both real and Fourier spaces. We find that correlations are all significant in real space, but only photospheric magnetic flux has good correlation with CME counts in Fourier space. Typical periods of CME occurrence are presented and discussed.To search for other articles by the author(s) go to: http://adsabs.harvard.edu/abstract_service.html

Keywords

Sun: activitycoronal mass ejections (CMEs)flaresmagnetic fields
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 2004 , Issue IAUS226 , September 2004 , pp. 213 - 214
Copyright
© 2005 International Astronomical Union