Fig. 2.
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Orbits of HD 143811 b. Left: 50 randomly drawn accepted orbits from the OFTI posterior plotted in their sky projection. The measured astrometry is plotted in red from GPI (2016 and 2019) and SPHERE/IRDIS (2025) data. Right: same randomly drawn accepted orbits plotted as a function of time. The red dots show the measured astrometry and associated errors.
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