Key points are not available for this paper at this time.
An improved version of the OPAL opacities, with the metal abundance parameter Z having values of 0.02 and 0.03, has been used in a stability survey for models of 7- to 16-M⊙ stars in the main-sequence (MS) and early post-MS evolutionary phases.
Dziembowski et al. (Sat,) studied this question.