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Fig. 3


Linear relation between vmacro and log g (a proxy for luminosity) for the stars on Table 2. See the definition of f(Teff) in Sect. 3.1. The orange continuous line represents our determination of a proportionality coefficient of 1.81 and a vertical shift of 0.05 km s-1. The black dashed line is the coefficient found by Doyle et al. (2014). The light gray region is a composition of 200 curves with parameters drawn from a multivariate Gaussian distribution. The Sun is located at the origin.

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