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Fig. 8

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12CO estimated radii as a function of dust radii obtained with (u, υ)-plane modelling of the continuum data by Manara et al. (2019). Dust and gas radii estimated as the radii including 68 (right) and 95% (left) of the total flux. The red circles are for circumprimary discs, while blue squares for the circumsecondary.

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