Coronal mass ejections associated with short and long duration X-ray flares

M. Anna Lakshmi1* and S. Umapathy
School of Physics, Madurai Kamaraj University, Madurai, India

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Abstract

We present the characteristics of Coronal Mass Ejections associated with X-ray flares and type II radio burst during 23rd solar cycle. These CMEs are classified into two groups based on flare duration. Group I events are associated with short duration flares (≤ 1 hr) and Group II events are associated with long duration flares (> 1 hr). From the results, group I events are decelerated more than group II events.

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Keywords : Sun: corona – Sun: coronal mass ejections – Sun: solar flares – Sun – radio burst.