Probing Obscured AGN with X-ray Iron Lines

Details Probing Obscured AGN with X-ray Iron Lines Probing Obscured AGN with X-ray Iron Lines

Sep 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003cxo..prop.1524l&link_type=abstract

Chandra Proposal ID #05700669

Physics

Chandra Proposal Id #05700669

Scientific paper

X-ray selection is biased against strongly-obscured active galactic nuclei, yet half of all Seyfert 2 galaxies are Compton thick. We propose to observe a sample of these truly typical Compton-thick Seyfert 2 galaxies. We will determine the physical conditions of their immediate circumnuclear regions, including column density, solid angle covering fraction, and viewing angle. The Fe Ka line equivalent width constrains these physical parameters in such heavily-obscured galaxies. High spatial resolution is essential in order to isolate the the line and its underlying continuum from the spatially-extended X-ray emission that is common in these cases. Combined with archival data, these observations will provide a complete flux-limited sample of Compton-thick Seyfert 2s.

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