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Table 1.
Parameters of the binary system.
| Parameter | Symbol | Value |
|---|---|---|
| Donor star mass (†) | M* | 41 M⊙ |
| Black hole mass (†) | MBH | 34 M⊙ |
| Star radius (‡) | R* | 14.2 R⊙ |
| Star luminosity (†) | L* | 1 × 106 L⊙ |
| Star temperature (†) | T* | 5 × 104 K |
| Orbital semiaxis (†) | a | 36 R⊙ |
| Orbital period (‡) | P | 2.9 days |
| Mass-loss rate (‡) | Ṁ∗ | 7.5 × 10−5 M⊙ yr−1 |
| Eddington rate (†) | ṀEdd | 2.2 × 10−8 M⊙ yr−1 |
| Eddington luminosity (†) | LEdd | 4.3 × 1039 erg s−1 |
| Gravitational radius (†) | rg | 50 km |
Notes.
(†)Fixed.
(‡)Calculated.
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