Fig. 11.
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Parameter values versus iterations during the MCMC analysis (as in Fig. 10). We used 30 walkers (one walker corresponds to one colour) for the computation and 300 steps for the burn-in. For most parameters, the distribution of walkers is already stationary. The systemic velocity γ is stationary only after 1000 iterations. The value of 21.96 km s−1 should be added to γ.
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