Table 3
Parameters used in the model curves shown in Fig. 12.
| System discussed | Donor star | Stellar wind | Neutron star | Ref. and Notes | |||
|---|---|---|---|---|---|---|---|
| Mass (Μ⊙) | Radius (R⊙) | Mass loss (M⊙yr−1) | υesc (km s−1) | MX (Μ⊙) | Distance (R*) | ||
| Generic HMXB | 22 | 35.2 | 5.8 × 10−6 | 1300 | 1.4 | 1.59 | [B91] |
| Vela X-1 | 23.1 | 30 | 4 × 10−6 | 1400 | 1.86 | 1.77 | [MW15b] |
| EXO 1722−363 | 15 | 29 | 1 × 10−6 | 500 | 1.9 | 1.75 | [MWB12] |
| Vela X-1 | 21–28 | 27-32 | 0.4−2 × 10−6 | 380–750 | 1.8–2.1 | 1.56–2 | [K21] |
Notes. All the simulations use circular binary orbits with a fixed distance of the neutron star from the stellar surface. The last row shows parameter ranges found by more recent studies of the Vela X-1 system (since the year 2000), as compiled by Kretschmar et al. (2021). [B91] Blondin et al. (1991). Showing the ‘full simulation’, Fig. 8 in the publication. [MW15b] Manousakis & Walter (2015b). Stellar parameters from Manousakis & Walter (2015a). [MWB12] Manousakis et al. (2012). [K21] Kretschmar et al. (2021). Distance variation from eccentricity,‘; the binary orbit is very well known.
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