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Fig. 24.

image

BPT diagram for simulated galaxies. Data points are colour coded depending on the fraction of AGN measured in the IR. The solid black line shows the separation between AGN and H II region, as derived by Kewley et al. (2013b) at z ≤ 2.5. The dashed black line indicates the extrapolation of the same separation criteria at high reshifts.

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