Fig. 2
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(a) Overlay of the 1 cm map of Fig. 1 (contours) and the 8 μm image from the Spitzer/GLIMPSE database (colour image). Contour levels range from 1 to 28 in steps of 9 mJy/beam. The angular resolution of the latter image is shown in the bottom-right corner. The dotted rectangle outlines the region shown in Figs. 1a and c. (b) Same as panel a, for the 70 μm image obtained from the Herschel/Hi-GAL survey.
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