Fig. 1
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Observations of HD 121617. The left panel shows the ALMA band 7 continuum observation (λobs=0.89 mm) from Marino et al. (2026a). The contours at [80, 160, 200] μJy/beam highlight the ring’s azimuthal asymmetry. The clean beam is displayed as a white ellipse in the bottom left. The right panel shows the SPHERE/IRDIS J-band scattered light image (λobs=1.25 μm) from Milli et al. (2026), with the same ALMA continuum contours. The grey circle indicates the coronagraphic mask of the observation.
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