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Fig. 19.


RM map of NGC 4666 from C-band on Stokes I contours from Fig. 13 and a beam of 7″ × 7″ in gray. Contours start at a 3σ level with a σ of 9.3 μJy beam−1 and increase in powers of 2 (up to 64) with an additional contour at 3.5 mJy beam−1 to mark the central source. The RM map is cut below the 3σ level of 25μJy beam−1 of the polarized intensity map from RM synthesis. The mean error is 22 rad m−2.

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