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Table 3

Parameters of the best LITpro models to the PIONIER data.

Date Model type Primary Secondary Background
diameter flux fraction diameter x y flux fraction

Mar. 2014 2 discs + bcg 0.37 ± 0.20 14±1.5% 1.03 ± 0.41 − 1.08 ± 0.03 − 1.70 ± 0.03 1.2 ± 0.4% 1.0
Jan. 2015 2 points 14.0 ± 0.6% − 1.54 ± 0.01 − 0.71 ± 0.01 3.6
2 discs 0.59 ± 0.03 13.8 ± 0.7% 1.23 ± 0.09 − 1.55 ± 0.01 − 0.76 ± 0.01 1.8
2 points + bcg 12.6 ± 0.6% -1.52 ± 0.01 − 0.70 ± 0.01 3.2 ± 0.2% 1.6
1 point + disc + bcg 14 ± 0.6% 1.07 ± 0.09 -1.50 ± 0.01 − 0.69 ± 0.01 2.5 ± 0.2% 1.55
2 discs + bcg 0.39 ± 0.04 12.9 ± 0.6% 0.76 ± 0.15 -1.55 ± 0.01 − 0.73 ± 0.01 2.2 ± 0.2% 1.5
Jan. 2016 2 discs + bcg 0.45 ± 0.09 13 ± 3% 0.86 ± 0.22 − 0.68 ± 0.07 0.89 ± 0.09 1.6 ± 0.4% 0.8
Feb. 2016 2 discs + bcg 0.30 ± 0.09 16 ± 2% 0.86 ± 0.22 − 0.53 ± 0.02 0.91 ± 0.03 3.5 ± 0.4% 0.8
Apr. 2016 2 discs + bcg 0.37 ± 0.04 9.0 ± 0.6% 0.87 ± 0.11 − 0.39 ± 0.01 1.35 ± 0.03 4.7 ± 0.3% 0.6

Notes. The table gives the angular diameter of the primary, and for the secondary, its relative flux fraction, angular diameter, and its position, as well as the background flux, if present. All dimensions are given in mas.

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