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Fig. 15

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Temporal relation between Fe II emission events and Ca H 2v emissions. The Fe II emission occurs at time step 0. There is a clear decrease of Ca H 2v emissions before and a significant increase after a Fe II emission event. The graph shows the average behavior of all 779 Fe II emissions. The grey bars show for comparison the time line of H 2v emissions of an equal-sized control group that is not co-spatial with Fe II emissions.

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