A New Sample of Buried AGN Selected from XMM-Newton Serendipitous Source Catalogue

Details A New Sample of Buried AGN Selected from XMM-Newton Serendipitous Source Catalogue A New Sample of Buried AGN Selected from XMM-Newton Serendipitous Source Catalogue

Oct 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009aspc..408..284n&link_type=abstract

The Starburst-AGN Connection. ASP Conference Series, Vol. 408, proceedings of the conference held 27-31 October 2008, at Shangha

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Scientific paper

We present a new sample of AGNs buried in a torus with a very small opening angle selected from the XMM-Newton serendipitous source catalogue using hardness ratios. In 8/22 objects, the fraction of scattered X-ray emission from the opening part of the torus with respect to the direct emission is less than 0.5%, which is much smaller than a typical value (3%) for Seyfert 2s. Moreover, [OIII] λ5007 luminosities for our sample are smaller than those for other Seyfert 2s at a given X-ray luminosity. These results suggest that they are strong candidates of AGN buried in a very geometrically-thick torus.

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