Fig. 3

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Exemplary corner plots of the MCMC fit results. In each example the bottom left shows the 2D histogram with 1σ and 2σ contours. The two adjacent plots show 1D histograms for the parameters (black) and a Gaussian (red) with same mean and standard deviation. Left panel set: Teff and log(g) determination for the benchmark test star HD 214680. Right panel set: v sin i and ζ determination for HD 91316.
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