On the classifications of the solar active regions (ARs); Case study for solar cycles 23 and 24

The declining phase of solar cycle 23 is an important case of study. Many high energetic solar flares occurred in 2003. The occurrence of high energetic solar X-ray flares (X-type) is related to solar cycle’s phases and the state of the active regions producing them. In some cases, the declining pha...

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Bibliographic Details
Main Authors: Wael Mohamed, Shahinaz Yousef, Mosalam Shaltout
Format: Article
Language:English
Published: Elsevier 2018-12-01
Series:Egyptian Journal of Remote Sensing and Space Sciences
Online Access:http://www.sciencedirect.com/science/article/pii/S1110982316301296