X-ray properties of a sample of polar-scattered Seyfert galaxies
E. Jimenez-Bailon (IA-UNAM), M. Guainazzi (ESAC-ESA), G. Matt (Roma, Tre University), S. Bianchi (Roma Tre University), Y. Krongold (IA-UNAM),, E.Piconcelli (Obs. Roma), M. Santos-Lleo (ESAC-ESA), N. Schartel (ESAC-ESA)
TL;DR
This study analyzes X-ray data from nine Seyfert 1 galaxies with polarimetric properties similar to Seyfert 2s, revealing insights into their circumnuclear gas and supporting a specific viewing angle model.
Contribution
It provides the first detailed physical and geometrical analysis of circumnuclear gas in polar-scattered Seyfert galaxies using XMM-Newton data.
Findings
Spectra resemble those of Seyfert 2 galaxies in polarized light
Results support the inclination angle close to the torus opening
Detailed properties of circumnuclear gas are characterized
Abstract
We present the results on an XMM-Newton systematic analysis of a sample of nine Seyfert 1 galaxies. When observed in polarised light, the spectra of the selected sources are similar to those of Seyfert 2 galaxies. This peculiarity strongly suggests that these AGN are viewed with an inclination comparable with the torus opening angle. Our results are consistent with this scenario and, taking advantage of this favourable geometrical condition, we were able to investigate in detail the physical properties and the distribution of the circumnuclear gas in these sources.
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Taxonomy
TopicsScientific Measurement and Uncertainty Evaluation · Advanced Measurement and Metrology Techniques