Fig. 1

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Continuum images ordered by decreasing fluxes. Images are 2.4′′ × 2.4′′, except for Hn 24 where we use 4.8′′ × 4.8′′ to show the secondary source. The beam is shown in the lower left corner of each panel. 3σ and 15σ contours are shown in solid and dashed lines, respectively. The color map is chosen to go from −3 σ to the maximum intensity of each image.
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