Intercycle and intracycle variation of halo CME rate obtained from SOHO/LASCO observations

Fithanegest Kassa Dagnew, Nat Gopalswamy, Solomon Belay Tessema +3

We report on the properties of halo coronal mass ejections (HCMEs) in solar cycles 23 and 24. We compare the HCMEs properties between the corresponding phases (rise, maximum, and d…