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Table A.1

Summary of all obtained VLTI-MATISSE η Car data sets.

Date Template UT(a) Seeing target(b) tau0 target(c) Calibrator(d) Seeing calibrator(e) tau0 calibrator(f) AT configuration
2020-02-15 01:13:49 0.47 7.68 λ Vel 0.54 7.83 Compact

2020-02-16 01:48:56 0.35 8.25 λ Vel 0.52 8.76 Compact
2020-02-16 04:12:13 0.99 7.31 λ Vel 0.49 9.45 Compact
2020-02-16 06:05:59 0.40 11.30 λ Vel 0.49 9.45 Compact

2020-02-21 02:34:18 0.69 4.90 q Car 1.53 2.74 Medium
2020-02-21 06:28:58 0.79 5.26 q Car 0.69 5.07 Medium
2020-02-21 07:43:10 0.85 3.89 q Car 0.69 5.07 Medium

2020-02-22 00:51:44 0.49 11.08 q Car 0.87 5.15 Medium
2020-02-22 03:48:01 0.79 5.39 q Car 0.68 6.18 Medium
2020-02-22 04:32:21 0.71 4.89 q Car 0.68 6.18 Medium
2020-02-22 05:45:29 1.29 3.80 q Car 1.07 4.42 Medium

2020-02-27 02:21:05 0.57 6.41 q Car 0.58 6.01 Large
2020-02-27 02:45:15 0.80 6.02 q Car 0.58 6.01 Large
2020-02-27 03:26:41 0.54 7.88 q Car 0.58 6.01 Large

2020-02-28 00:27:35 1.32 4.20 q Car 0.90 5.56 Large
2020-02-28 05:48:25 1.02 5.50 q Car. 0.83 7.18 large

2020-02-29 02:14:35 0.41 10.44 q Car 0.75 10.84 Large
2020-02-29 04:45:01 0.40 14.80 q Car 0.75 10.84 Large
2020-02-29 07:40:54 0.63 8.59 q Car 0.60 8.08 Large
2020-02-29 08:32:49 0.45 7.41 q Car 0.60 8.08 Large

Notes. (a) UT time at the start of the data set. (b) Seeing of the target interferograms (in arcsec). (c)Coherence time tau0 in the visible of thetarget data (ms). (d)Calibrator stars used for the calibration of the interferometric TF. The calibrator stars are discussed in the Appendix F. (e) Seeing of the calibrator data. (f)Coherence time in the visible of the calibrator data.

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