Open Access
Table 1.
Tested parameter space for the isolated binary evolution of HR 6819.
| Parameter | Tested values |
|---|---|
| Z | 0.01, 0.0105, 0.011, 0.015, 0.02 |
| Floss | 1%, 6%, 7%, 10%, 20% |
| α | 0.5, 1, 3, 4.5, 5 |
| MZAMS, a [M⊙] | 10,20,24,25,50,150 |
| MZAMS, b [M⊙] | 3, 6, 7, 8, 9, 10, 50, 150 |
| a0 [R⊙] | 2000, 2500, 2650, 2655, 3000, 5000, 10000 |
Notes. Here Z-metallicity, Floss-neutrino mass loss during BH formation, α-efficiency of orbital energy loss for CE ejection, MZAMS, a/b – masses at ZAMS of respectively the BH progenitor star and its stellar companion, and a0 – initial semi-major axis.
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