The orbit of HD 142527 B is too compact to explain many of the disc features

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Fig. 2

Corner plot for the posterior distributions of the orbital elements of HD 142527 B. The distribution of ω_B and Ω_B is actually a bimodal distribution, with two peaks spaced 180 deg apart. This is a known degeneracy when radial velocity data are missing. For readability, only one peak, chosen arbitrarily, is shown here.

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