Fig. 4
Global convective turnover time, τg, vs. relative convective envelope radius, ΔRconv/R⋆, derived from the PMS evolutionary models of Ventura et al. (1998), with ages ranging between 1 and 30 Myr. The black dashed line indicates the best-fit function adopted to convert the inferred convective radius of h Per members to derive their τg.
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