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Table 2.
Model parameterization of Cygnus X-1 that fits the observational data.
| Accretion Disk-Corona | |||
|---|---|---|---|
| Parameter | High/Soft | Hard/Low | Description |
| Rin/RISCO | 1 | 20 | inner disk boundary |
| ṁ | 0.007 | 0.004 | mass accretion rate |
| Rcor/Rg | 20 | 60 | corona radius |
| Tcor [keV] | 50 | 150 | corona temperature |
| τcor | 0.29 | 0.50 | thermal corona optical depth |
| p | 4.9 | 1.8 | corona power-law index |
| γmin | 1.8 | 1.7 | minimum energy of nonthermal electrons |
| γmax | >20 | >26 | maximum energy of nonthermal electrons |
| h | 0.050 | 0.294 | nonthermal/thermal electrons ratio in the corona |
| Relativistic Jet | |||
| zi [cm] | 3 × 108 | base of the jet | |
| zf/zi | 3 | acceleration zone length | |
| qrel | 3 × 10−5 | ratio of accelerated to thermal particles | |
| ηacc | 0.15 | acceleration efficiency | |
| Lp/Le | 0.009 | ratio of the energy carried by hadrons to leptons | |
| βjet | 0.92 | bulk velocity | |
| ξ [°] | 1.2 | half-opening angle | |
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