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Fig. 10

image

IR (4.6 μm) integral Log N–Log S distribution of HSP blazars. The dotted line, corresponding to N( >S) ∝ S-1.5, represents the expected distribution of a population of sources with constant density in a Euclidean universe. The flattening of the measurements compared to the straight line is, at least partly, because of sample incompleteness near the flux limit.

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