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Fig. 1


Clean maps of Cygnus A at 86 GHz from GMVA observations in 20092010. Contours represent isophotes at 0.6, 1.2, 2.4, 4.8, 9.6, 19.2, 38.4 mJy/beam. The data weighting is uniform. The beam sizes are slightly larger compared to the values reported in Table 1 due to the application of a Gaussian taper of 0.1 at a uv-radius of 3000 Mλ. The typical noise level in the images is ~0.15mJy/beam.

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