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Fig. 11

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The measured masses and radii of the components of V18 and V20 compared to best matching isochrones for  [Fe/H]  =  +0.20 and helium contents of Y = 0.27, 0.30, and 0.33. From left to right the stars are V20s, V18s, V18p, and V20p. Error boxes are two-sigma.

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