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Table 1

Observation log of the VLTI/GRAVITY high-resolution (R ~ 4000) observations of S CrA North and South conducted with the UTs.

UT Date Tot. Int. S CrA N Tot. Int. S CrA S DITa NDITb Proj. baselines PAc Calibrator UD diameterd
[s] [s] [s] # [m] [°] [mas]

2016-07-20 2100 600 60 5 42, 52, 60, 81, 93, 115 53, 38, 130, 100, 45, 76 HD 188787 0.252 ± 0.018
2016-08-16 1200 1200 60 5 47, 56, 59, 87, 102, 130 31, 18, 100, 70, 24, 50 HD 176047 0.309 ± 0.021

Notes.

(a)

Detector integration time per interferogram.

(b)

Number of interferograms.

(c)

Baseline position angle from the shortest to longest baseline.

(d)

The calibrator uniform-disc (UD) diameter (K band) was taken from Lafrasse et al. (2010).

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