Table 3.
Of systems that form a double helium star, the fractions of those that do not undergo mass-transfer for each initial mass ratio.
| qi | 1.0 | 0.9 | 0.7 | 0.5 | Total |
|---|---|---|---|---|---|
| Standard Grid | 0.095 | 0.087 | 0 | 0 | 0.069(0.049) |
| Enhanced Grid | 0.371 | 0.233 | 0.194 | 0 | 0.245(0.213) |
Notes. A Salpeter primary mass distribution (dN/dM ∝ M−2.35), a flat distribution in log of initial orbital period and a flat initial mass-ratio distribution have been assumed. The Total is the integrated fraction of non-interacting double helium stars to all double helium stars, with the number in brackets excluding qi = 1.0 systems.
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