Table 1.
Summary of the stellar parameters of both binary components obtained from spectroscopic analysis conducted with the PoWR code.
| Parameter | Primary | Secondary | Unit |
|---|---|---|---|
| Teff(a) | 42.8 ± 2.0 | 41.8 ± 2.0 | [kK] |
| log g | 4.0 ± 0.2 | 4.0 ± 0.2 | [cm s−2] |
| log L | 5.41 ± 0.15 | 5.38 ± 0.15 | [L⊙] |
| R | 9.3 ± 0.5 | 9.2 ± 0.5 | [R⊙] |
| RRL(b) | 15.6 ± 0.8 | 15.2 ± 0.7 | [R⊙] |
| R/RRL | 0.60 ± 0.04 | 0.61 ± 0.04 | |
| Mspec |
 |
 |
[M⊙] |
| log Ṁ | −7.7 ± 0.2 | −7.7 ± 0.2 | [M⊙ yr−1] |
| v∞ | 1600 ± 200 | 1600 ± 200 | [km s−1] |
| vrot sin i(c) | 90 ± 20 | 90 ± 20 | [km s−1] |
| vrot(d) | 157 ± 40 | 157 ± 40 | [km s−1] |
| Prot(d) | 3.0 ± 0.8 | 3.0 ± 0.8 | [d] |
| log QH | 49.13 | 49.10 | [s−1] |
| log QHe I | 48.41 | 48.35 | [s−1] |
| log QHe II | 43.41 | 43.27 | [s−1] |
Notes.
For a definition, see Appendix B.
Calculated using the orbital parameters obtained with the PHOEBE code (see Sect. 4) and the formula of Eggleton (1983).
Based on the inclination i = 35° obtained with the PHOEBE code (see Sect. 4).
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