Fig. 7.
Event 2: AR 11504 on 13 June 2012 (a) and 14 June 2012 (b). Left: AIA 94 Å image of the pre-eruptive sigmoids. Centre: HMI magnetogram with PEA areas overlaid (saturated at −100 gauss and +100 gauss). Right: PEAs from AIA 193 Å with the area outlined by a polygon. The dates and times are shown as YYYY-MM-DD hh:mm in all panels.
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