Astronomy and Astrophysics – Astrophysics
Scientific paper
Dec 2011
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011sf2a.conf..583g&link_type=abstract
SF2A-2011: Proceedings of the Annual meeting of the French Society of Astronomy and Astrophysics Eds.: G. Alecian, K. Belkacem,
Astronomy and Astrophysics
Astrophysics
1
Galaxies: Active, Galaxies: Seyfert, Galaxies: Individual: Ngc 1068, Radiative Transfer, Polarization, Scattering
Scientific paper
In contrast to the standard unified model, the ionized outflow in the nucleus of the Seyfert-2 galaxy NGC 1068 is claimed to be tilted with respect to the symmetry axis of the dusty torus. We compute the broad-band X-ray spectrum and polarization emerging from multiple reprocessing in an asymmetric model setup of NGC 1068. Considering different azimuthal viewing directions, we show that the slope of the polarization angle between the soft X-ray and the hard X-ray bands allows us to distinguish a clock-wise from a counter clock-wise tilt of the wind with respect to the torus axis. We also find that equatorial scattering in the outer accretion flow has a minor impact on the X-ray polarization of typical Seyfert-2 nuclei.
Goosmann Rene W.
Matt Giorgia
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