The Infrared Quasar Luminosity Function in Bootes

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The shape and evolution of the quasar luminosity function (QLF) is important in constraining the details of galaxy evolution models and quasar ignition and evolution. Accurate determination of the bolometric QLF, requires samples of the quasar population in as many different wavelength bins as possible since selection at any one wavelength is biased.
We measure the infrared QLF for sources with redshift range 1 < z < 5 selected from 9 sq. deg. of the NOAO Deep Wide Field Survey (NDWFS) Bootes field. Our sample of 712 sources is selected to have a Spitzer Space Telescope 24 micron flux limit of 0.5 mJy and an optical R-band magniturd < 17.0 and doubles the size of earlier work in this field. 396 of these sources have spectral classifications and redshifts from the AGN and Galaxy Evolution Survey (AGES). We compare results to other measures of the QLF with different selection criteria.

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