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Fig. 3

image

Measured radial velocity differences for stars with multiple measurements. Different histograms correspond to different S/Ns per pixel of the analysed spectra, as indicated in the upper left of each panel together with the average uncertainty of the contributing velocity measurements. The black dashed lines show Gaussian fits to the histograms, the number of stellar pairs, and the standard deviation of each fitted Gaussian are given in the top right of each panel.

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