Fig. 5.
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Best-fit values of RV as a function of τV for the fitted DES galaxies with DECam Global (left panel) and Local (right panel) griz photometry. Results for the different galaxies are shown in gray. A Gaussian Process Regression is shown in solid blue, with dashed blue lines defining a 68% credible interval. The correlation found by Mandel et al. (2011) between these two quantities for the extinction laws of a set of nearby SNe Ia is shown in orange.
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