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Fig. 2
Colour–colour diagram recommended by Stern et al. (2005) to identify AGN candidates. We compare the colour [3.6 μm − 4.5 μm] versus [5.8 μm − 8.0 μm] in AB magnitudes for our LIRGs; the area defined by the dashed lines represents the region of the colour − colour diagram populated by AGN.
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