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Fig. B.1


3 mm (left panel, blue contours) and 1 mm continuum emission (right panel, green contours) at similar spatial resolution on top of the CO2−1 emission(gray contours and background). The 3 mm continuum contours start at 5σ and are spaced in steps of 5σ (1σ ~31 μJy beam-1). Contours forthe 1 mm continuum emission are at 3 and 6σ (1σ ~0.5 mJy beam-1). The main continuum emission peak is located south of the AGN position, close to the center of the Eye. However, the 3 mm continuum peak emission appears elongated; the 1 mm continuum is of more spherical shape. Also, whereas the 3 mm continuum shows a secondary emission peak in the western arm, the 1 mm continuum does not. North is up, east to the left. The beam sizes are 1.9′′ × 1.8′′ for both images.

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