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Planck differential number counts, normalised to the Euclidean value (i.e. S2.5dN/dS), compared with models and other data sets. Planck counts: total (black filled circles); dusty (red circles); synchrotron (blue circles). Four models are also plotted: de Zotti et al. (2005, dealing only with synchrotron sources – solid line); Tucci et al. (2011, dealing only with synchrotron sources – dots); Bethermin et al. (2011, dealing only with dusty sources – long dashes); Serjeant & Harrison (2005, dealing only with local dusty sources – short dashes). Other data sets: Planck early counts for 30 GHz-selected radio galaxies (Planck Collaboration 2011d) at 100, 143 and 217 GHz (open diamonds); Herschel ATLAS and HerMES counts at 350 and 500 μm from Oliver et al. (2010) and Clements et al. (2010); BLAST at the same two wavelengths, from Bethermin et al. (2010b); all shown as triangles. Left vertical axes are in units of Jy1.5 sr-1, and the right vertical axis in Jy1.5 deg-2.

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