Fig. 3

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Zoomed-in image of the nucleus and jet of the Cygnus A reconstructions form Fig. 1. In all resolve and fast-resolve reconstructions, the two point sources in the nucleus are modeled with two pixels that are uncorrelated with the brightness of the neighboring pixels. Since the resolve of Arras et al. (2021a) are not fully converged due to the high computational cost, their dynamic range is lower, and the jet of Cygnus A is not visible. The multi-scale CLEAN map from Arras et al. (2021a) is consistent with the fast-resolve result and the resolve reconstruction from Roth et al. (2023). At the highest frequency the jet is hardly visible also with fast-resolve, with background artifacts having a similar brightness.
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