Fig. 1.
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Infrared luminosity (8–1000 μm) and redshift of the individual nuclei in the PUMA sample. AGN are shown in orange, while starburst (SB) dominated nuclei are in lightblue. Circles indicate interacting systems and squares indicate advanced mergers. The nuclei with log LIR/L⊙ < 12 are the fainter nuclei in interacting systems, where the IR luminosity is dominated by the other nucleus.
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