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Fig. 5

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Orbital fits for HD 26161b. Top left: fit of the HD 26161 RV with DPASS. We use red for Hir94, green for Hir04, and blue for APF. The blue curve shows the best fit. Bottom left: fit of the HD 26161 RV using MCMC. The black curve shows the best fit. The colorbar corresponds to the log-likelihood of the fits. Top middle: fit of the HD 26161 RV with DPASS, with a subtracted stellar offset fixed to 300 m s−1. Black points correspond to the data corrected from the instrumental offsets. The blue curve shows the best fit. Bottom middle: best fit of the HD 26161 RV using MCMC, with a subtracted stellar offset fixed to 300 m s−1. The black curve shows the best fit. Top right: fit of the HD 26161 RV with DPASS, with the minimum a fixed at 240 au. The points are the same as in the top left. The blue curve shows the best fit. Bottom right: best fit of the HD 26161 RV with MCMC, with a prior on a in the range 240–300 au. The black curve shows the best fit.

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