Position of the best-fit min-Clés models: in the (M, R)-plane (left panel), in the (T_eff, L/L_⊙)-plane (middle panel), and in the (k₂, )-plane (right panel) for the five Series (see text): XII (α_ov = 0.20, green), XIII (α_ov = 0.25, blue), XIV (α_ov = 0.30, violet), XV (α_ov = 0.35, pink), and XVI (α_ov = 0.40, orange). Each symbol corresponds to a different value of D_T: The lowest absolute value (which corresponds to the best-fit of M, R, T_eff, and L) is depicted by an open circle, while increasing absolute values of D_T are depicted, in ascending order, by a star, an open triangle, a filled dot, a cross, and an open square. The red square represents the observational box, that is to say, the range of observational values taking into account the error bars.