Fig. 8
Emissivity index plotted against dust temperature for the Virgo SFDs (filled blue dots). The dotted line shows the best-fit power law to our data set. For comparison we overlay the β − Td relation found in Andromeda (Smith et al. 2012), Virgo galaxies later than S0 (Davies et al. 2014), and DGS galaxies (Rémy-Ruyer et al. 2013).
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