Abstract
Optical linear polarization maps of the Seyfert galaxy NGC 1068 are presented which show the following features. (i) On a large spatial scale the polarization pattern follows the arm and interarm structures of the galaxy which suggests that the magnetic field has a spiral configuration. (ii) There is small area of enhanced levels of polarization some 4.5 arcsec north-east of the nucleus which is coincident with the highest-ionization extended regionon the map by Pogge. (iii) There is a region of enhanced polarization coincident with the nucleus, and elongated at position angle 196°. The geometry and polarization of the nuclear and north-east polarization features suggest that we are observing light scattered out of the ‘radiation cone’ of the obscured Seyfert I nucleus, thus giving further support to the unified schemes for AGN, radio and high-z galaxies.
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