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Fig. 6

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Observed relation between Δν and νmax. Here we reproduce Fig. 2 of Stello et al. (2009a) in linear scale, where only stars whose νmax is greater than the Nyquist frequency for long-cadence sampling are displayed. The solid line is the power-law fit in their Eq. (1) with the corresponding  ± 15% deviations shown as dotted lines. We added to the plot the two stars being considered in this study (five-pointed stars), the two stars (squares) of Mathur et al. (2011), and the three bright G-type stars (triangles) of Chaplin et al. (2010).

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