Fig. A3

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Significance level contour maps of all knot features identified in the HST [FeII] continuum-subtracted image and compiled in Table 3. The contour levels shown represent 5 to 20 σ in steps of 3σ above the local background. A physical scalebar of 500 au is given in the bottom-left corner of each panel. North is up and east is to the left in all panels.
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