The Spectral Energy Distributions of Active Galactic Nuclei
  We present spectral energy distributions (SEDs) of 41 active galactic nuclei,
derived from multiwavelength photometry and archival spectroscopy. All of the
SEDs span at least 0.09 to 30 micron, but in some instances wavelength coverage
extends into the X-ray, far-infrared and radio. For some AGNs we have fitted
the measured far-infrared photometry with greybody models, while radio flux
density measurements have been approximated by power-laws or polynomials. We
have been able to fill some of the gaps in the spectral coverage using
interpolation or extrapolation of simple models. In addition to the 41
individual AGN SEDs, we have produced 72 Seyfert SEDs by mixing SEDs of the
central regions of Seyferts with galaxy SEDs. Relative to the literature, our
templates have broader wavelength coverage and/or higher spectral resolution.
We have tested the utility of our SEDs by using them to generate photometric
redshifts for 0 < z < 6.12 AGNs in the Bootes field (selected with X-ray, IR
and optical criteria) and, relative to SEDs from the literature, they produce
comparable or better photometric redshifts with reduced flux density residuals.
