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Fig. B.2

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Bias in the dust mass estimate as a function of the starlight intensity, for both models. In each panel, we plot the ratio of the median of the dust masses measured by fitting the randomly perturbed SEDs of Fig. B.1 () to the actual dust mass of the unperturbed SED (). This quantity is plotted as a function of the actual average starlight intensity  ⟨ U ⟩ . The color code of the classes is identical to Fig. B.1. We clearly see that for high starlight intensities, the dust mass is systematically underestimated by a factor up to 2.

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