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Fig. 2


Convolved images registered to a common reference frame at 33 pc (8′′/pixel, left), 260 pc (64′′/pixel, centre), and 2084 pc (512′′/pixel, right). Each row represents a different star-formation-tracing band, from top to bottom: GALEX FUV, Hα, IRAC 8 μm, MIPS 24 μm, PACS 70 μm, and PACS 100 μm. Blue pixels have a low flux density, whereas red pixels have a high flux density, following an arcsinh scale. The colours used are simply chosen to best represent the wide dynamical range of intensities across all bands and all pixel sizes and should be used in a qualitative sense only.

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