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Table 1.
Jet model parameters for Cygnus X1.
| Parameter | Symbol | Value | Units |
|---|---|---|---|
| Jet half-opening angle | θjet | 2 | deg |
| Jet launching distance | z0 | 1.1 × 108 | cm |
| Base of acceleration region | zmin | 2.8 × 108 | cm |
| Top of acceleration region | zmax | 1.9 × 1012 | cm |
| Jet bulk Lorentz factor | Γ | 1.25 | |
| Magnetic power-law index | α | 1.9 | |
| Jet luminosity | Ljet | 1038 | erg s−1 |
| Relativistic power fraction | qrel | 0.1 | |
| p–e luminosity ratio | a | 39 | |
| Injection spectral index | p | 2.4 | |
| Minimum particle energy | Emin | 95.4 | mc2 |
| Acceleration efficiency | η | 6 × 10−4 |
Notes. Values taken from scenario A of Pepe et al. (2015).
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