Fig. 6.

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Posterior PDFs of the main dynamical properties of Boo II, i.e. the systemic velocity (left panel), the intrinsic velocity dispersion (middle panel), and velocity gradient (right panel). The dashed blue PDFs show the results of our analysis using only the B23 sample. The purple PDF shows the result of this work using the entire sample (i.e. K09 + B23 + FLAMES). The shaded area indicates the 1σ interval inference of K09 (green) and B23 (red). This K09 interval is not shown for the systemic velocity as their velocity was strongly biased (∼ − 110 km s−1, and therefore outside the plot).
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