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Fig. 2

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Differential extragalactic number counts (green triangles) for ν = 408 MHz a), 610 MHz b), 1.4 GHz c), 2.7 GHz d), 4.8−5 GHz e), 8.4 GHz f), 15 GHz g), 20 GHz h), 30 GHz i), 44 GHz j), 100 GHz k), 143−145−148 GHz l), 214−217 GHz m), 250 μm n), and 24 μm o). The counts are a compilation from several surveys (see Table 1 for references). The black solid and dashed lines are the predictions of our evolution model with and without spinning dust emission, respectively, in the case of a constant far-IR/radio flux ratio (see case A of Sect. 2.2) and using the LF-parameters of the mean model of Béthermin et al. (2011). The grey areas show the 1-σ error calculated from the MCMC fit of the LF by Béthermin et al. (2011). The dotted lines are the predictions of evolution models for radio-loud AGN as described in Sect. 3 (de Zotti et al. 2005; Massardi et al. 2010; Tucci et al. 2011). The red lines show the sum of the contribution of radio-loud AGN and star-forming galaxies when spinning dust emission is included to the SED templates.

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