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Fig. 1

image

Produced energy in units of the binding energy for a model with ϵsf = 0.3 for two example clusters, ESO 338-IG04 cluster 23 (thinner black lines) and NGC 6946 cluster 1447 (thicker red lines), for different assumptions about the energy production: case 1 assumes stellar winds (solid lines); case 2 is for standard supernovae (dotted lines). The dashed black horizontal line indicates the binding energy.

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