Fig. 2.
X-ray luminosity as a function of redshift for the 3336 X-ray AGN in our final sample. Sources in the XMM-XXL field are shown in blue. AGN in the X-ATLAS field are presented with green symbols. Sources with photoz are shown by empty points and specz sources by filled points. AGN with available Herschel photometry are presented with squares whereas those without Herschel by circles.
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