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Fig. 6

image

Mass, radius and effective temperature of the two components of V1094 Tau (errror bars) compared to models from Bressan et al. (2012) for various values of the initial metal abundance, Z. The assumed ages are 5.75 Gyr, 6.2 Gyr and 6.6 Gyr for Z = 0.014,0.017,0.020, respectively. The arrow in the lower-left panel indicates the effect of changing the assumed metallicity from [ Fe/H ] = −0.09 to [ Fe/H ] = +0.14. Small diamonds show the model grid points that have been interpolated to produce the isochrones in these plots.

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