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Table A.1

Radial velocities [km s−1] of ten Fe I absorption lines from our 53 spectra (Sect. 3.1).

HJD dateobs phase 5151 Å 5340 Å 5371 Å 5406 Å 5430 Å 5435 Å 5501 Å 5507 Å 6412 Å 6469 Å
2457743.439 2016/12/20.939 0.630 −100.433 −99.564 −101.119 −101.663 −101.064 −101.393 −100.912 −103.576 −101.377 −104.652
2457914.508 2017/06/10.008 0.985 −96.228 −95.340 −96.295 −96.376 −96.856 −96.584 −96.032 −97.854 −96.561 −99.639
2457924.512 2017/06/20.012 0.006 −95.142 −94.152 −94.849 −94.929 −95.397 −95.054 −94.684 −96.723 −95.791 −99.181
2457926.523 2017/06/22.023 0.010 −94.878 −93.954 −94.739 −94.764 −95.240 −95.064 −94.618 −96.451 −94.627 −98.536
2457941.517 2017/07/07.017 0.041 −94.165 −93.265 −94.056 −94.323 −94.618 −94.376 −93.762 −95.860 −94.471 −97.280
2457964.549 2017/07/30.049 0.089 −91.599 −90.550 −91.390 −91.409 −91.908 −91.822 −91.277 −93.156 −91.831 −95.114
2458073.421 2017/11/15.921 0.314 −88.743 −87.923 −88.748 −88.816 −89.213 −89.003 −88.640 −90.385 −88.948 −91.631
2458080.387 2017/11/22.887 0.329 −87.896 −87.388 −88.135 −87.856 −88.371 −88.272 −87.843 −89.656 −88.341 −91.072
2458370.558 2018/09/09.058 0.930 −98.878 −98.129 −99.020 −99.098 −99.458 −99.183 −98.432 −100.505 −98.778 −101.742
2458900.210 2020/02/20.710 0.028 −92.395 −91.631 −92.466 −92.443 −92.727 −92.389 −92.065 −94.140 −92.928 −96.204
2458911.235 2020/03/02.735 0.050 −91.755 −90.389 −91.513 −91.820 −92.031 −91.805 −91.350 −93.324 −91.467 −95.412
2458914.242 2020/03/05.742 0.057 −91.628 −90.462 −91.990 −92.019 −92.125 −91.962 −91.330 −93.651 −91.889 −95.305
2458918.238 2020/03/09.738 0.065 −90.959 −89.675 −91.254 −91.163 −91.350 −91.065 −90.779 −92.998 −91.417 −94.821
2458926.248 2020/03/17.748 0.082 −89.581 −89.041 −89.447 −89.626 −89.739 −89.666 −89.026 −91.350 −90.113 −94.362
2458927.243 2020/03/18.743 0.084 −89.551 −88.608 −89.415 −89.406 −89.707 −89.519 −88.990 −91.125 −90.206 −92.423
2458928.246 2020/03/19.746 0.086 −89.386 −88.900 −89.468 −89.321 −89.757 −89.437 −88.908 −91.165 −89.852 −93.099
2459029.542 2020/06/29.042 0.296 −88.445 −87.144 −88.782 −88.692 −89.248 −88.873 −88.282 −90.424 −88.476 −91.352
2459045.538 2020/07/15.038 0.329 −88.550 −87.657 −88.557 −88.563 −89.015 −88.675 −88.035 −90.338 −88.990 −91.735
2459062.461 2020/07/31.961 0.364 −90.054 −89.489 −90.100 −90.086 −90.507 −90.298 −89.912 −91.618 −90.938 −93.832
2459063.521 2020/08/02.021 0.366 −90.318 −89.774 −90.125 −90.245 −90.703 −90.465 −90.134 −91.953 −90.898 −93.966
2459067.485 2020/08/05.985 0.374 −90.994 −90.127 −90.851 −90.924 −91.380 −91.123 −90.781 −92.638 −91.394 −94.456
2459074.547 2020/08/13.047 0.389 −91.182 −90.236 −91.284 −91.309 −91.668 −91.523 −90.957 −93.152 −91.586 −94.642
2459075.506 2020/08/14.006 0.391 −91.504 −90.107 −91.115 −91.353 −91.602 −91.484 −90.909 −93.114 −91.685 −94.551
2459090.373 2020/08/28.873 0.422 −92.059 −91.213 −92.117 −92.230 −92.654 −92.507 −92.079 −93.790 −92.448 −95.882
2459096.486 2020/09/03.986 0.434 −92.649 −91.666 −92.763 −92.833 −93.307 −93.048 −92.490 −94.670 −93.155 −96.547
2459105.508 2020/09/13.008 0.453 −94.196 −93.320 −94.239 −94.350 −94.713 −94.587 −94.156 −96.049 −94.893 −97.830
2459106.415 2020/09/13.915 0.455 −94.423 −93.498 −94.426 −94.542 −94.837 −94.600 −94.316 −96.309 −94.834 −97.926
2459108.412 2020/09/15.912 0.459 −94.494 −93.651 −94.636 −94.721 −95.202 −94.877 −94.421 −96.596 −95.248 −98.256
2459146.332 2020/10/23.832 0.538 −97.464 −96.620 −97.563 −97.738 −98.156 −98.225 −97.031 −99.331 −98.070 −100.916
2459150.411 2020/10/27.911 0.546 −97.961 −97.297 −98.105 −98.353 −98.795 −98.531 −98.069 −99.868 −98.542 −101.628
2459154.382 2020/10/31.882 0.554 −98.500 −97.675 −98.725 −98.757 −99.221 −98.934 −98.555 −100.491 −98.892 −101.796
2459163.305 2020/11/09.805 0.573 −98.651 −97.658 −98.984 −99.012 −99.384 −99.087 −98.533 −100.715 −99.207 −102.302
2459178.245 2020/11/24.745 0.604 −99.419 −99.425 −100.456 −100.640 −101.095 −100.134 −100.276 −102.256 −100.769 −103.658
2459179.269 2020/11/25.769 0.606 −100.342 −99.480 −100.674 −100.816 −101.178 −100.969 −100.388 −102.308 −100.884 −103.805
2459180.388 2020/11/26.888 0.608 −100.724 −99.464 −100.794 −100.879 −101.284 −101.057 −100.506 −102.408 −100.966 −104.141
2459185.349 2020/12/01.849 0.618 −100.652 −99.732 −100.953 −101.121 −101.525 −101.341 −100.807 −102.837 −101.409 −104.103
2459195.337 2020/12/11.837 0.639 −100.929 −100.124 −101.164 −101.140 −101.479 −100.981 −100.755 −102.940 −101.763 −104.611
2459203.355 2020/12/19.855 0.656 −100.965 −100.147 −101.205 −101.314 −101.615 −101.314 −100.902 −102.956 −101.655 −104.816
2459216.304 2021/01/01.804 0.683 −101.904 −101.111 −102.219 −102.373 −102.558 −102.135 −101.939 −103.997 −102.512 −105.272
2459224.429 2021/01/09.929 0.699 −101.699 −100.956 −101.948 −102.063 −102.544 −102.067 −101.204 −103.854 −102.800 −105.642
2459226.207 2021/01/11.707 0.703 −102.216 −101.277 −101.806 −102.247 −102.355 −102.072 −101.709 −103.819 −102.914 −105.904
2459246.276 2021/01/31.776 0.745 −102.520 −101.513 −102.721 −102.976 −103.239 −102.844 −102.397 −104.721 −103.191 −106.213
2459268.234 2021/02/22.734 0.790 −102.291 −101.572 −102.495 −102.589 −103.117 −102.864 −102.289 −104.314 −103.058 −105.798
2459271.248 2021/02/25.748 0.796 −102.117 −100.977 −101.985 −102.485 −102.588 −102.776 −101.596 −104.014 −102.634 −105.638
2459275.244 2021/03/01.744 0.805 −102.122 −101.517 −102.193 −102.081 −102.412 −102.431 −102.027 −103.985 −102.784 −105.378
2459344.565 2021/05/10.065 0.948 −97.870 −97.448 −97.671 −97.590 −97.891 −97.674 −97.574 −99.327 −98.696 −101.306
2459388.500 2021/06/23.000 0.039 −92.442 −91.838 −92.638 −92.516 −92.952 −92.502 −92.312 −94.170 −93.570 −95.654
2459392.538 2021/06/27.038 0.048 −91.992 −91.281 −92.048 −92.067 −92.401 −92.181 −91.726 −93.784 −92.841 −95.512
2459620.262 2022/02/09.762 0.520 −96.121 −95.234 −96.073 −95.639 −96.524 −96.050 −95.524 −97.111 −96.638 −98.029
2459624.261 2022/02/13.761 0.528 −96.217 −95.364 −96.307 −96.532 −96.819 −96.632 −96.098 −97.353 −96.783 −99.876
2459650.236 2022/03/11.736 0.582 −98.709 −98.505 −99.005 −99.228 −99.298 −99.403 −98.704 −99.937 −99.639 −102.261
2459698.566 2022/04/29.066 0.682 −101.800 −101.271 −101.634 −100.861 −102.399 −101.919 −101.503 −102.754 −102.129 −104.318
2459952.259 2023/01/07.759 0.208 −87.028 −85.973 −87.218 −87.113 −87.509 −87.136 −86.707 −88.798 −87.256 −89.911

Notes. HJD stands for the heliocentric Julian date, ‘dateobs’ is the civil date [UT] in the standard format, yyyy/mm/dd.ddd, and ‘phase’ is the corresponding orbital phase according to Eq. (1).

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