Table 1.
Summary of the simulations.
| Model | M1(total) | M1(core) | M2 | a0 | fGW, 0 | afinal | fGW, final |
|---|---|---|---|---|---|---|---|
| [M⊙] | [M⊙] | [M⊙] | [R⊙] | [Hz] | [R⊙] | [Hz] | |
| MS-merger | 9 | – | 8 | 6.2 | 5.3 × 10−5 | 5.0 | 7.3 × 10−5 |
| CE-merger | 0.63 | – | 0.42 | 0.047 | 2.0 × 10−2 | 0.039 | 2.5 × 10−2 |
| Successful CE | 2 | 0.37 | 0.99 | 49 | 6.8 × 10−7 | 3.9 | 3.0 × 10−5 |
Notes. a0 is the initial orbital separation, afinal is defined as the separation between the stars right before disruption in the case of the MS star merger and the CE merger. In the case of the successful CE, as the orbit is eccentric, afinal is defined as the semi-major axis of the orbital separation between the core and the companion at the end of the simulation. fGW0 and fGWfinal are computed as twice the orbital frequency assuming a Keplerian orbit and separation equal to a0 and afinal, respectively. In the case of the successful CE ejection, only the mass of the core and the companion are considered for the calculation of the Keplerian frequency.
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