Table 5: Angular diameter measurements of W Sgr.

JD		 Stations Baseline Phase ${\theta_{\rm {UD}}}$ (mas) ${\theta_{\rm {LD}}}$ (mas) N $\chi^2_{\rm red}$ Calibrators
    (m)   $\pm$ stat. $\pm$ syst. $\pm$ stat. $\pm$ syst.      

2 452 743.837		 B3-M0 137.574 0.571 $1.408 \pm 0.096 \pm 0.038$ $1.447 \pm 0.099 \pm 0.039$ 1 - $\chi$ Sco
2 452 744.915 B3-M0 137.166 0.713 $1.292 \pm 0.088 \pm 0.034$ $1.327 \pm 0.090 \pm 0.035$ 2 0.04 $\chi$ Sco
2 452 749.868 B3-M0 139.632 0.365 $1.262 \pm 0.141 \pm 0.040$ $1.297 \pm 0.145 \pm 0.041$ 1 - $\chi$ Sco
2 452 751.866 B3-M0 139.538 0.628 $1.320 \pm 0.174 \pm 0.041$ $1.357 \pm 0.179 \pm 0.042$ 1 - $\chi$ Sco
2 452 763.888 B3-M0 131.830 0.211 $1.284 \pm 0.019 \pm 0.029$ $1.319 \pm 0.020 \pm 0.030$ 4 0.73 $\chi$ Sco
2 452 764.856 B3-M0 135.926 0.339 $1.355 \pm 0.021 \pm 0.021$ $1.393 \pm 0.021 \pm 0.022$ 4 0.76 $\chi$ Sco
2 452 765.880 B3-M0 132.679 0.473 $1.313 \pm 0.022 \pm 0.025$ $1.349 \pm 0.023 \pm 0.026$ 4 1.43 $\chi$ Sco
2 452 767.867 B3-M0 132.637 0.735 $1.208 \pm 0.073 \pm 0.039$ $1.241 \pm 0.075 \pm 0.040$ 3 0.01 $\chi$ Sco
2 452 769.914 B3-M0 120.648 0.005 $1.240 \pm 0.055 \pm 0.034$ $1.274 \pm 0.056 \pm 0.035$ 2 0.33 $\chi$ Sco


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