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Table D.2

Astrometry as a function of time and polynomial order.

Date MJD NPOLY RA DEC ρ
2019-07-17 58681.392 6 130.75 ± 0.06 198.13 ± 0.05 -0.47
4 130.75 ± 0.06 198.11 ± 0.05 -0.58
3 130.75 ± 0.06 198.11 ± 0.05 -0.69
2019-08-13 58708.160 6 127.06 ± 0.07 199.24 ± 0.10 -0.90
4 127.12 ± 0.08 199.18 ± 0.11 -0.92
3 127.12 ± 0.09 199.18 ± 0.12 -0.95
2021-08-27 59453.093 6 20.05 ± 0.06 205.83 ± 0.03 -0.58
4 20.07 ± 0.07 205.83 ± 0.04 -0.64
3 20.05 ± 0.08 205.83 ± 0.04 -0.78
2021-08-28a 59454.125 6 −76.52 ± 0.08 −82.71 ± 0.12 -0.72
4 −76.56 ± 0.14 −82.61 ± 0.10 -0.66
3 −5.21 ± 0.36 −42.76 ± 0.26 -0.96
2021-09-28 59485.110 6 −72.12 ± 0.07 −85.31 ± 0.13 -0.85
4 −72.12 ± 0.07 −85.30 ± 0.13 -0.86
3 −72.10 ± 0.07 −85.36 ± 0.13 -0.82
2021-10-16 59504.061 6 −69.32 ± 0.04 −86.73 ± 0.07 -0.50
4 −69.32 ± 0.06 −86.73 ± 0.07 -0.64
3 −69.28 ± 0.05 −86.73 ± 0.07 -0.57
2022-05-22 59721.403 6 −32.37 ± 0.32 −93.45 ± 0.18 -0.97
4 −32.39 ± 0.34 −93.49 ± 0.22 -0.91
3 −32.30 ± 0.06 −93.56 ± 0.09 -0.06
2023-07-02 60127.218 6 −79.30 ± 0.05 176.09 ± 0.04 -0.34
4 −79.30 ± 0.05 176.06 ± 0.04 -0.38
3 −79.28 ± 0.06 176.06 ± 0.03 -0.37
2024-04-28 60428.381 6 −120.95 ± 0.08 152.74 ± 0.05 0.03
4 −120.87 ± 0.08 152.72 ± 0.04 0.16
3 −120.92 ± 0.06 152.74 ± 0.04 -0.09
2024-05-31 60461.388 6 −125.28 ± 0.05 149.87 ± 0.04 -0.18
4 −125.30 ± 0.05 149.82 ± 0.04 -0.68
3 −125.30 ± 0.06 149.82 ± 0.05 -0.73
2024-06-01 60462.327 6 −125.45 ± 0.08 149.86 ± 0.05 -0.70
4 −125.49 ± 0.08 149.86 ± 0.04 -0.82
3 −125.47 ± 0.08 149.84 ± 0.04 -0.82
2024-06-24 60485.334 6 −128.30 ± 0.18 147.52 ± 0.22 -0.73
4 −128.34 ± 0.12 147.56 ± 0.11 -0.54
3 −128.30 ± 0.09 147.58 ± 0.09 -0.71
2024-06-30 60491.191 6 −129.38 ± 0.21 147.20 ± 0.04 -0.50
4 −129.32 ± 0.24 147.20 ± 0.05 -0.78
3 −129.29 ± 0.23 147.22 ± 0.05 -0.81
2024-07-18 60509.364 6 −131.50 ± 0.04 145.61 ± 0.06 -0.64
4 −131.48 ± 0.04 145.61 ± 0.06 -0.60
3 −131.50 ± 0.04 145.67 ± 0.06 -0.58
2024-07-24 60515.246 6 −132.27 ± 0.03 144.94 ± 0.04 -0.07
4 −132.25 ± 0.04 144.92 ± 0.04 -0.48
3 −132.27 ± 0.03 144.92 ± 0.05 -0.63
2024-07-25 60516.263 6 −132.40 ± 0.03 144.75 ± 0.07 0.16
4 −132.40 ± 0.03 144.86 ± 0.04 -0.47
3 −132.40 ± 0.03 144.86 ± 0.05 -0.57
2025-06-08 60834.317 6 −170.50 ± 0.04 112.56 ± 0.03 -0.53
4 −170.50 ± 0.03 112.56 ± 0.03 -0.47
3 −170.50 ± 0.03 112.56 ± 0.03 -0.45

Notes. (a)First detection of HD206893 c. The third-order polynomial fitting could not be used because of the faintness of the signal.

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