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Herschel ATLAS: The cosmic star formation history of quasar host galaxies
(2010)
We present a derivation of the star formation rate per comoving volume of quasar host galaxies, derived from stacking analyses of far-infrared to mm-wave photometry of quasars with redshifts 0 < z < 6 and absolute I-band ...
The environments of z ~ 1 active galactic nuclei at 3.6 μm
(2010)
We present an analysis of a large sample of active galactic nuclei (AGN) environments at z∼ 1 using stacked Spitzer data at 3.6 μm. The sample contains type 1 and type 2 AGN in the form of quasars and radio galaxies, and ...