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Association of CMEs with solar surface activity during the rise and maximum phases of solar cycles 23 and 24

Li, Ting; Zhang, Jun; Gao, Peng-Xin

The cyclical behaviors of sunspots, flares and coronal mass ejections (CMEs) for 54 months from 2008 November to 2013 April after the onset of Solar Cycle (SC) 24 are compared, for the first time, with those of SC 23 from 1996 November to 2001 April. The results are summarized below. (i) During the maximum phase, the number of sunspots in SC 24 is…