Natural weighted VLBI images of the expanding shell produced by supernova SN 2008iz at 4.8 GHz. They cover the observation periods between 2009 October and 2013 January as summarized in Table A.2. The figures show the 4.8 GHz linear grey-scale images overlaid with their contour maps that scale to the peak intensity at each epoch (listed in each panel). All image contours correspond to 6% of the peak intensity (lowest contour) and subsequent increases by 6%. The images have been convolved with the natural weighting beam, shown in the bottom left corner of each panel.
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