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Fig. 4.

image

Marginal densities for the stellar parameters M, t, X0, Z0, α, and αov of 16 Cyg A (left) and B (right). The central panels show the joint marginal densities of the paired parameters. Individual marginal densities are plotted in the side panels. The red shaded areas in the central panels and the full lines in the side panels represent posterior densities for models with penetrative overshoot and helium diffusion (#5 in Tables 3 and 4). The black contours in the central panels and the dashed lines in the side panels represent posterior densities for models with penetrative and metal diffusion (#6 in Tables 3 and 4). The numbers in each panel give the Pearson correlation coefficient for the two variables. The values in red correspond to the red shaded densities and the values in black to the black contours.

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