Fig. 12.
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Positive (B+) and negative (B−) magnetic flux spatially summed over the region enclosed by the green rectangle displayed in Figs. 10 and 11. The selected pixels of each region are those above the 3σ Stokes-V noise threshold (Appendix B). The vertical black lines indicate the time when EUV emission enhancements are detected with HRIEUV: E1 and E2 for (a); E4 for (b).
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