Two distinct morphological types of magnetic shear development and their relation to flares
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From a morphological study of the evolution of six active regions, we found two types of processes for the development of magnetic shear configurations between sunspots: (A) collision of two sunspots of opposite magnetic polarities, and (B) successive emergence of twisted magnetic flux ropes. We conclude that the process (B) might be essential for the production of major flares.
KeywordsFlare Active Region Magnetic Flux Morphological Study Morphological Type
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- Tanaka, K., Smith, Z., and Dryer, M.: 1980, in M. Dryer and E. Tandberg-Hanssen (eds.), ‘Solar and Interplanetary Dynamics’, IAU Symp. 91, 231.Google Scholar