Astronomy and Astrophysics – Astronomy
Scientific paper
Mar 2000
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000mnras.312..567y&link_type=abstract
Monthly Notices of the Royal Astronomical Society, Volume 312, Issue 3, pp. 567-578.
Astronomy and Astrophysics
Astronomy
15
Polarization, Scattering, Galaxies: Active, Galaxies: Individual: Mrk 509, Galaxies: Seyfert
Scientific paper
I present a development of the scattering model of Young et al. that can reproduce the velocity resolved polarization of the scattered broad lines, along with the continuum polarization of AGN. Two possible emission models are presented, namely a rotating disc and a radially expanding shell of emission. Using known, or expected, scattering regions present in AGN it is possible to reproduce the polarization observed to be present in type 1 and type 2 active galaxies. The use of the model is illustrated by its application of the spectropolarimetric observations of the Seyfert 1 galaxy, Mrk 509. By a simple alteration of the incident flux upon the scattering regions it is shown that the time variable polarization in this object can be reproduced.
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