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Table 1

Stellar properties and corresponding timescales.

Z M i M Γe / max R t lc ΔR30 ΔR20 ΔR10
(Z) (M) (M) (10-6M yr-1) (R) (s) (R) (s) (R) (s) (R) (s)

1 10 6.8 0.412 8.1 0.45 2.43 5.67 1.73 121 1.01 47.0 0.130 3.01
1 12 7.8 0.439 7.6 0.57 2.31 5.38 1.71 119 1.70 78.6 0.372 8.62
0.5 10 7.4 0.398 6.4 0.066 1.06 2.47 0.189 13.2 0.188 8.72 0.163 3.78
0.5 12 8.6 0.428 8.3 0.11 1.33 3.10 0.356 24.9 0.351 16.27 0.306 7.09

7a 2.4 5.60 0.0187 1.31 0.0170 0.788 0.0140 0.325

Notes. Initial metallicity, initial stellar mass, final stellar mass, final surface electron-scattering Eddington factor, final mass-loss rate, final ratio of the mass-loss rate to the critical mass-loss rate, final stellar radius, light-crossing time tlc = R/c, distance from the radius at τ = 30 to R, diffusion time for τ = 30 (vsh = 10 000km s-1), distance from the radius at τ = 20 to R, diffusion time for τ = 20 (vsh = 15 000km s-1), distance from the radius at τ = 10 to R, and diffusion time for τ = 10 (vsh = 30 000km s-1).

(a)

Polytropic star with the polytropic index of 3.

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