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Fig. A.1

5 GHz uniformly weighted VLBA CLEAN image of CTA 102 observed on 8 June 2006 with fitted circular Gaussian components overlaid. The map peak flux density was 2.0 Jy/beam, where the convolving beam was 3.5 × 1.5 mas at PA − 5.3. The lowest contour is plotted at 10 × the off-source rms and increases in steps of 2.
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