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Studying the great solar proton events during the solar cycle 23

Published online by Cambridge University Press:  01 November 2006

S.W. Samwel ,
A.A. Hady ,
Makram Ibrahim  and
Yousry. S. Hanna
S.W. Samwel
Affiliation:
National Research Institute of Astronomy and Geophysics (NRIAG), Helwan, Cairo, Egypt e-mail: [email protected]
A.A. Hady
Affiliation:
Astronomy Dept., Faculty of Science, Cairo University, Cairo, Egypt., e-mail: [email protected]
Makram Ibrahim
Affiliation:
National Research Institute of Astronomy and Geophysics (NRIAG), Helwan, Cairo, Egypt e-mail: [email protected]
Yousry. S. Hanna
Affiliation:
National Research Institute of Astronomy and Geophysics (NRIAG), Helwan, Cairo, Egypt e-mail: [email protected]
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Abstract

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The present work concerns the study of the great solar proton events during the solar cycle 23. For this purpose, the temporal behavior of six solar indices during these great events will be studied. These indices are the radio flux (10.7cm) intensity, the sunspot no., the sunspot area, the GEOS X-ray background flux intensity, and the intensity of the X-ray flares and optical flares.

Keywords

Great proton eventsRadio Fluxsunspot numbersunspot areaflare intensity
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 2 , Symposium S233: Solar Activity and its Magnetic Origin , March 2006 , pp. 287 - 290
Copyright
© 2006 International Astronomical Union