Table 1
Parameters for the three models; Model A: mass ratio reversal; Model B: intermediate case; Model C: end of non-conservative mass transfer. (For this case, three hotspot temperatures are investigated.)
| Model A | Gainer | Donor | Hotspot |
|
|
|||
| Radius (R⊙) | 3.87 | 5.73 | 0.14 (0.19) |
| Mass (M⊙) | 4.65 | 4.26 | – |
| Luminosity (L⊙) | 2496 | 54 | 7 |
| Temperature (K) | 20 840 | 6555 | 35 000 |
| P orb | 2.3 d | ||
| A orb | 15.5 R⊙ | ||
|
|
|||
| Model B | Gainer | Donor | Hotspot |
|
|
|||
| Radius (R⊙) | 3.13 | 6.19 | 0.24 (0.26) |
| Mass (M⊙) | 5.66 | 2.83 | – |
| Luminosity (L⊙) | 1 924 | 38 | 20 |
| Temperature (K) | 21 780 | 5 784 | 35 000 |
| P orb | 3.3 d | ||
| A orb | 19.0 R⊙ | ||
|
|
|||
| Model C | Gainer | Donor | Hotspot |
|
|
|||
| Radius (R⊙) | 3.22 | 9.55 | 0.87 (0.63) (C_xx_0.71_cold) |
| 0.64 (0.63) (C_xx_0.71_inter) | |||
| 0.49 (0.63) (C_xx_0.71_hot) | |||
| Mass (M⊙) | 6.50 | 1.68 | – |
| Luminosity (L⊙) | 2 195 | 63 | 137 |
| Temperature (K) | 22 150 | 5 297 | 30 000 (C_xx_0.71_cold) |
| 35 000 (C_xx_0.71_inter) | |||
| 40 000 (C_xx_0.71_hot) | |||
| P orb | 8.3 d | ||
| A orb | 34.9 R⊙ | ||
Notes. The different temperatures of the hotspot correspond to the different simulations labelled (cold, inter, hot). “xx” stands for “ld” or “hd” and designates different dust-to-gas ratios (see text). Porb and Aorb are the orbital period and separation, respectively. Refer to Table 2 for further explanations. The hotspot radius is calculated using the black body relation (Sect. 2.4.3), and the estimate given by Eq. (3) is shown for comparison in parenthesis. The density profile of model C is used for all three models (see Sect. 2.1).
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