Fig. 3
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Residuals on occultation astrometry (in mas), reduced with respect to pre-Gaia catalogues, obtained by fitting all observations at MPC (left panel). MPC catalogue codes are the following: s: USNO B2.0; w: CMC-14; g: Tycho-2; q: UCAC-4; r: UCAC-2; u: UCAC-3; x: Hipparcos 2. No letter indicates an unknown catalogue. Right panel: occultations reduced with Gaia EDR3. The values 0 and 1 on the horizontal axis correspond to RUWE < 1.4 and RUWE ≥ 1.4, respectively.
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