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Enhancing coronal structures with radial local multi-scale filter

Ji, Kaifan; Bai, Xianyong; Liu, Hui +2 more

Images of the corona contain information over a wide range of spatial scales and various structures such as coronal holes, coronal loops, coronal mass ejections (CMEs), and helmet streamers with differences in brightness. Therefore, processing these images is important for determining various types of information. However, it is very difficult to …

The characteristics of the coronal mass ejections preceding the associated X-ray and γ-ray burst solar flares

Abdel-Sattar, Walid; Mawad, Ramy

In this study, investigated 14,786 coronal mass ejection (CME) events and 5092 Gamma-ray Burst Monitor (GBM) solar flare events (called γ-ray burst solar flare) recorded during 2008-2017, by using temporal and spatial conditions criteria, we found 845 (about 16%) CME events associated with γ-ray burst solar flare events only (hereafter, CME-γ-pref…