Determination of the Infrared Luminosity of Active Galactic Nuclei (AGN)

Details Determination of the Infrared Luminosity of Active Galactic Nuclei (AGN) Determination of the Infrared Luminosity of Active Galactic Nuclei (AGN)

Jan 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011aas...21714243g&link_type=abstract

American Astronomical Society, AAS Meeting #217, #142.43; Bulletin of the American Astronomical Society, Vol. 43, 2011

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Scientific paper

Using archival data from the Spitzer and GALEX Space Telescopes we have plotted a UV-IR color-magnitude diagram for AGN. The previous difficulty in determining the IR luminosity of AGN using this technique has been that AGN have varying levels of obscuration in the UV, also they are variable and previous observations were often taken at widely differing times. As a result, color-magnitude diagrams sometimes had UV and IR data points acquired decades apart. These issues were mitigated in this study i) by using data that were collected much closer in time to each other, since both telescopes were launched and carried out most of their observations within the same 5 year period and ii) by choosing Type I AGN, which show the least amount of obscuration.

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