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Table 2:

Parameters of the best geometrical toy model ( $\chi ^2\approx 25$).

$\lambda$
Gaussian disk Uniform disk Point source Point source Point source
  size flux size flux x y flux x y flux x y flux
$[{\mu}{\rm m}]$ [mas] [%] [mas] [%] [mas] [mas] [%] [mas] [mas] [%] [mas] [mas] [%]
1.54 ${\leq}20$ 26.7 $8.3\pm2.5$ 67.0 $0.6\pm0.8$ $2.8\pm0.5$ $\leq$10 $-0.7\pm0.7$ $-0.5\pm0.5$ $\leq$10 $10\pm4$ $-8.5\pm3.5$ 0
1.78 ${\leq}20$ 32.1 $8.1\pm1.5$ 59.3 - - $\leq$10 - - $\leq$10 - - 0
2.03 ${\leq}20$ 47.3 $8.0\pm0.6$ 43.8 - - $\leq$10 - - $\leq$10 - - $\leq$5
2.28 ${\leq}30$ 46.1 $7.7\pm0.4$ 47.5 - - $\leq$10 - - $\leq$10 - - $\leq$10
2.52 $28.7\pm26$ 66.9 $12.4\pm1.9$ 22.9 - - $\leq$10 - - $\leq$10 - - $\leq$10


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