Table 1: Calibration sequence of NGC 1068. JD is the Julian date of the observation, N the number of processed interferograms, B and Az the projected baseline length and azimuth angle (east of north), and $\mu ^2$ the obtained coherence factors with their statistical errors. The interferometric efficiency (IE) given in italic characters is the value adopted for the calibration of the NGC 1068 data.
JD N B (m) Az $\mu^{2} \pm$ stat. IE $\pm$ stat. $\pm$ syst. $V^2 \pm$ stat. $\pm$ syst. Target
2 452 948.717 250 45.79 44.87 $0.054 \pm 0.017$ $\it0.340 \pm 0.009 \pm 0.001$ $0.158 \pm 0.049 \pm 0.001$ NGC 1068
2 452 948.722 214 46.00 45.13 $0.062 \pm 0.031$ $\it0.340 \pm 0.009 \pm 0.001$ $0.182 \pm 0.091 \pm 0.001$ NGC 1068
2 452 948.761 407 46.62 45.40 $0.319 \pm 0.005$ $0.348 \pm 0.006 \pm 0.001$   HD 20356
2 452 948.767 438 46.64 45.62 $0.304 \pm 0.005$ $0.331 \pm 0.005 \pm 0.001$   HD 20356
2 452 948.772 416 46.63 45.80 $0.315 \pm 0.006$ $0.344 \pm 0.007 \pm 0.001$   HD 20356


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