Are the extended narrow line regions in AGN photoionized by the emission from thick accretion disks?

Acosta-Pulido, J. A.; Wilson, A. S.; Perez-Fournon, I.
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In: Testing the AGN paradigm; Proceedings of the 2nd Annual Topical Astrophysics Conference, Univ. of Maryland, College Park, Oct. 14-16, 1991 (A93-29801 11-90), AIP Conference Proceedings, Vol. 254 p. 520-523.

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We study the photoionization of the Extended Narrow Line Region (ENLR) using three anisotropic radiation fields: (1) a geometrically thick accretion disk; (2) a large (at 1 pc to the nucleus) obscuring torus; (3) a blazar beam produced by a relativistic jet. The variation of the intensity of several emission lines with the inclination angle with respect to the symmetry axis is calculated in these cases. We find differences in the angular variation of the intensity and intensity ratios of certain lines for the considered models.