Fig. 3
Left panel: stellar-mass surface-density profiles from IRAC (blue) and from SDSS or SINGS (green), and SFR surface-density profiles (red) of the galaxy NGC 5457 (M 101), derived as described in Sects. 5.2 and 5.4, respectively. The black dashed lines are exponential fits performed avoiding the central part of galaxies in the same radius range as Fig. 2. Right panel: surface-density profiles for the mass of dust (orange), molecular gas (turquoise), atomic gas (gray), and total gas (pink) of the galaxy NGC 5457 (M 101). The gas-mass profiles have been corrected for DGR as described in Sect. 7.
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