Nuclear Obscuration in Seyfert 2 Galaxies with and without Polarized Broad Emission Lines

Details Nuclear Obscuration in Seyfert 2 Galaxies with and without Polarized Broad Emission Lines Nuclear Obscuration in Seyfert 2 Galaxies with and without Polarized Broad Emission Lines

Oct 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007aspc..373..507s&link_type=abstract

The Central Engine of Active Galactic Nuclei, ASP Conference Series, Vol. 373, proceedings of the conference held 16-21 October,

Computer Science

Scientific paper

We compiled a sample of 54 Seyfert 2 galaxies with both spectropolarimetric and X-ray observations to investigate the role of nuclear obscuration in the visibility of polarized broad emission lines (PBL). We find that at L[O III] > 1041 ergs s-1, Seyfert 2 galaxies without PBL are more obscured in X-ray (at a confidence level of 99%). Our results explain the non-detections of PBL under the framework of the unified model, and put strong constraint on the geometry of the obscuring torus and the scattering region.

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