Fig. 3
Distribution of the depletion time for the 16 regions identified in the four galaxies studied here, using the Kewley et al. (2004) [OII] SFR calibration. The distribution has a mean of tdepl = 1.9 Gyr and a standard deviation of 1.2 Gyr, for a median value of 2.0 Gyr. Since we identified 18 ensembles of clumps, the standard error of the mean is 0.3 Gyr.
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