Fig. 6
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Same as Figure 4 for NGC 253 (top), and NGC 4945 (bottom). Negative values are plotted as squares, using the absolute values of the measured flux densities. Non-detections are represented by upside-down triangles. IR literature data are overlaid in green (Clark et al. 2018), and radio data in light blue (from Tables A.5 for NGC 253 and A.6 for NGC 4945).
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