Vol 5, No 2

Latitudinal Distribution of Solar Flares and Their Association with Coronal Mass Ejections

Pankaj K. Shrivastava, Neelam Singh


Abstract Major solar flare events have been utilised to study the latitudinal frequency distribution of solar flares in northern and southern hemispheres for the period of 1986 to 2003. A statistical analysis has been performed to obtain the correlation between Coronal Mass Ejections (CMEs) and Forbush decrease (Fds) of cosmic ray intensity. Almost the same flares distribution in both hemispheres is found in association with CMEs. In a further analysis, it is noted that a larger number of CME-associated solar flares located in the northern hemisphere are found to be more effective in producing Forbush decreases.


Keywords Solar flares --- coronal mass ejections --- Forbush decrease

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