Table 4: Angular diameter measurements of $\eta $ Aql.

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.      

2 452 524.564		 E0-G1 60.664 0.741 $1.746 \pm 0.100 \pm 0.074$ $1.792 \pm 0.103 \pm 0.076$ 3 0.08 70 Aql
2 452 557.546 B3-M0 137.625 0.336 $1.877 \pm 0.098 \pm 0.037$ $1.931 \pm 0.101 \pm 0.038$ 1 - $\epsilon$ Ind
2 452 559.535 B3-M0 138.353 0.614 $1.806 \pm 0.037 \pm 0.027$ $1.857 \pm 0.038 \pm 0.027$ 1 - 7 Aqr, $\epsilon$ Ind
2 452 564.532 B3-M0 136.839 0.310 $1.809 \pm 0.043 \pm 0.031$ $1.860 \pm 0.045 \pm 0.032$ 3 0.42 7 Aqr, $\epsilon$ Ind
2 452 565.516 B3-M0 138.495 0.447 $1.871 \pm 0.017 \pm 0.027$ $1.924 \pm 0.017 \pm 0.028$ 3 0.13 7 Aqr
2 452 566.519 B3-M0 137.845 0.587 $1.861 \pm 0.023 \pm 0.026$ $1.914 \pm 0.024 \pm 0.026$ 5 0.23 7 Aqr
2 452 567.523 B3-M0 137.011 0.727 $1.802 \pm 0.027 \pm 0.030$ $1.853 \pm 0.028 \pm 0.030$ 2 0.62 7 Aqr
2 452 573.511 B3-M0 136.303 0.561 $1.884 \pm 0.053 \pm 0.022$ $1.938 \pm 0.054 \pm 0.022$ 1 - $\lambda$ Gru, HR 8685
2 452 769.937 B3-M0 139.632 0.931 $1.647 \pm 0.026 \pm 0.018$ $1.693 \pm 0.026 \pm 0.018$ 3 0.06 $\chi$ Sco
2 452 770.922 B3-M0 139.400 0.068 $1.791 \pm 0.041 \pm 0.027$ $1.842 \pm 0.042 \pm 0.028$ 3 0.15 $\chi$ Sco
2 452 772.899 B3-M0 138.188 0.343 $1.880 \pm 0.044 \pm 0.026$ $1.934 \pm 0.046 \pm 0.027$ 3 0.16 7 Aqr


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