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Table 1

SPHERE Proxima observations.

MJD Date Exp.time Seeing Rotation Contrast Phase c Sep (i = 90 degree) Note
s arcsec degree mag mas
57 112 2015-03-31 576 0.95 3.2 12.18 0.6459 896
57 406 2016-01-19 4480 2.20 25.7 13.31 0.8007 1088
57 436 2016-02-18 1760 1.86 13.5 0.8163 1050 Poor
57 448 2016-03-01 3392 0.78 22.6 12.57 0.8226 1031
57 475 2016-03-28 4000 2.08 25.7 13.88 0.8370 984
57 494 2016-04-16 3840 0.62 28.7 12.65 0.8496 946
57 830 2017-03-19 2048 1.10 11.5 13.88 0.0237 146
57 919 2017-06-14 2720 1.88 20.9 12.65 0.0706 467
58 222 2018-04-13 4320 0.58 29.3 14.23 0.2301 1127
58 227 2018-04-18 4480 0.55 30.0 14.00 0.2327 1130
58 244 2018-05-05 3840 0.65 25.7 14.31 0.2417 1137
58 257 2018-05-18 3840 0.40 25.7 14.36 0.2484 1139
58 288 2018-06-20 3840 1.70 24.1 13.88 0.2648 1137
58 588 2019-04-15 4608 0.47 25.8 14.55 0.4221 560
58 621 2019-05-17 1920 0.91 26.6 14.02 0.4401 449

Notes. Contrast is measured at 0.5 arcsec on IFS images; phase c is the phase of planet c from the spectroscopic orbit.

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