Table 1
Sonic point properties of our set of chemically homogeneous helium star models with a mass of 15 M⊙ (see Sect. 4).
| log (Ṁ ) | RS | log (L) | κ | log (ρS ) | log (TS ) | log (λ) | v | Γ | t | log (HP) | log (Teff) | τS |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| M⊙∕yr | R⊙ | L⊙ | cm2/g | g/cm3 | K | cm | km/s | cm | K | |||
| –4.3 | 1.152 | 5.464 | 0.658 | –7.971 | 5.331 | 8.125 | 36.55 | 0.9901 | 8.097 | 9.218 | 5.099 | 33 |
| –4.5 | 1.158 | 5.466 | 0.659 | –8.165 | 5.312 | 8.350 | 35.73 | 0.9918 | 6.689 | 9.335 | 5.097 | 20 |
| –4.7 | 1.165 | 5.467 | 0.660 | –8.359 | 5.291 | 8.521 | 34.91 | 0.9931 | 5.754 | 9.451 | 5.096 | 13 |
| –5.0 | 1.182 | 5.469 | 0.661 | –8.656 | 5.259 | 8.827 | 33.62 | 0.9946 | 4.708 | 9.628 | 5.093 | 8 |
| –5.1 | 1.190 | 5.468 | 0.661 | –8.753 | 5.246 | 8.921 | 33.14 | 0.9952 | 4.787 | 9.680 | 5.091 | 6 |
| –5.3 | 1.216 | 5.469 | 0.661 | –8.959 | 5.212 | 9.133 | 31.87 | 0.9964 | 5.790 | 9.768 | 5.087 | 3 |
| –5.4 | 1.260 | 5.470 | 0.626 | –8.843 | 4.726 | 8.985 | 18.20 | 0.8978 | 0.138 | 7.827 | 5.079 | 2 |
| Same as above, but for our set of models with a mass of 10 M⊙ | ||||||||||||
| log (Ṁ) | RS | log (L) | κ | log (ρS) | log (TS) | log (λ) | v | Γ | t | log (HP) | log (Teff) | τS |
| M⊙∕yr | R⊙ | L⊙ | cm2/g | g/cm3 | K | cm | km/s | cm | K | |||
| –4.3 | 0.910 | 5.115 | 0.986 | –7.748 | 5.295 | 7.748 | 35.03 | 0.9828 | 9.766 | 8.832 | 5.061 | 49 |
| –4.5 | 0.914 | 5.120 | 0.979 | –7.937 | 5.267 | 7.937 | 33.93 | 0.9861 | 8.418 | 8.908 | 5.061 | 28 |
| –4.7 | 0.920 | 5.123 | 0.971 | –8.118 | 5.221 | 8.118 | 32.17 | 0.9883 | 13.29 | 8.909 | 5.061 | 16 |
| –5.0 | 0.930 | 5.136 | 0.842 | –8.225 | 4.814 | 8.225 | 20.13 | 0.8173 | 0.625 | 7.565 | 5.061 | 8 |
| –5.1 | 0.930 | 5.136 | 0.846 | –8.311 | 4.791 | 8.311 | 19.62 | 0.8082 | 0.523 | 7.556 | 5.061 | 6 |
| –5.3 | 0.931 | 5.136 | 0.855 | –8.493 | 4.747 | 8.493 | 18.64 | 0.7866 | 0.377 | 7.544 | 5.061 | 3 |
| Same as above, but for our set of models with a mass of 20 M⊙ | ||||||||||||
| log (Ṁ) | RS | log (L) | κ | log (ρS) | log (TS) | log (λ) | v | Γ | t | log (HP) | log (Teff) | τS |
| M⊙∕yr | R⊙ | L⊙ | cm2/g | g/cm3 | K | cm | km/s | cm | K | |||
| –4.3 | 1.362 | 5.678 | 0.545 | –8.123 | 5.344 | 8.376 | 37.09 | 0.9934 | 5.158 | 9.438 | 5.114 | 27 |
| –4.5 | 1.371 | 5.679 | 0.544 | –8.320 | 5.327 | 8.597 | 36.37 | 0.9945 | 4.213 | 9.571 | 5.113 | 18 |
| –4.7 | 1.383 | 5.680 | 0.543 | –8.517 | 5.310 | 8.775 | 35.68 | 0.9954 | 3.635 | 9.707 | 5.111 | 11 |
| –5.0 | 1.409 | 5.681 | 0.542 | –8.821 | 5.283 | 9.081 | 34.58 | 0.9963 | 2.931 | 9.917 | 5.108 | 6 |
| –5.1 | 1.421 | 5.681 | 0.542 | –8.921 | 5.274 | 9.182 | 34.23 | 0.9965 | 2.731 | 9.988 | 5.106 | 2 |
| –5.3 | 1.453 | 5.682 | 0.542 | –9.135 | 5.255 | 9.398 | 33.48 | 0.9971 | 2.487 | 10.14 | 5.101 | 1 |
Notes. The listed quantities are, starting from the left: mass-loss rate applied, sonic point radius, luminosity, Rosseland opacity, density, temperature, photon mean free path, flow velocity, Eddington factor, optical depth parameter, pressure scale height, effective temperaturecomputed via the Stefan–Boltzmann law, optical depth. All these quantities are given at the sonic point.
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