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Fig. 3.


Comparison between radial velocities for globular clusters analysed in Saviane et al. (2012; open circles) and this work (filled circles), and the measurements of Dias et al. (2016a). Upper panel: the dotted line refers to the one-to-one relation, while the continuous line is a linear fit to the data. In the lower panel we plot the residuals νvisνCaT.

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