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Table 1.
BHXRBs and AGN parameters including the best-fit photon index, α, the derived optical thickness, τ0, and the CC temperature, kBTe.
| Source | Spectral | α = Γ − 1† | τ0 | kBTe (keV) |
|---|---|---|---|---|
| state | ||||
| Cyg X–1 | HSS | 1.4 | 2 | 9 |
| Cyg X–1 | LHS | 0.4 | 1.2 | 90 |
| 4U 1630–47 | HSS | 1.6 | 1.7 | 10 |
| 4U 1957+115 | IS | 1.0 | 2.5 | 10 |
| LMC X–1 | HSS | 1.6 | 2.5 | 6 |
| Swift J1727.8–1613 | LHS | 0.8 | 1.5 | 30 |
| GX 339–4 | HSS | 1.4 | 3 | 7 |
| NGC 4151 | LHS | 0.85 | 2 | 18 |
Notes. † Here we used the Comptonization spectral model (ST80, ST85) (see comments in the text).
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