Astronomy and Astrophysics – Astronomy
Scientific paper
Dec 2006
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006aspc..357..204l&link_type=abstract
The Spitzer Space Telescope: New Views of the Cosmos ASP Conference Series, Volume 357, proceedings of the conference held 9-12
Astronomy and Astrophysics
Astronomy
Scientific paper
We compare host-free mid-infrared AGN continuum and intrinsic hard X-ray emission for the large sample of nearby Seyferts observed by the Infrared Space Observatory ISO. The strong orientation effects in the mid-IR/X-ray ratio that are expected in the most simple unified schemes are not found in our data, a result that can be explained in terms of contributions of NLR dust to the mid-IR continuum and of the properties of clumpy torus models. We compare upper limits on 4.7μm CO bands in local AGN with the recent Spitzer detection of such bands in an obscured AGN ULIRG, suggesting that the difference most likely reflects incomplete vs. full covering of the obscuring matter close to an active nucleus.
Genzel Reinhard
Lutz Dieter
Maiolino Roberto
Spoon Henrik Willem Walter
Sturm Eckhard
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