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Fig. 1


Broad-band squared visibilities with (1σ) error bars shown against effective baseline for the K-band (upper panel) and the H-band (lower panel). The H-band plot shows less data points because of a lower number of V2 measurements above the required S/N ratio threshold. The predictions of the best uniform ring model are overplotted in solid line. The filled blue points correspond to the visibilities used in the B10 paper.

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