Table 4.
Best-fitting parameters of the broad-band model described in Sect. 4.5: SMALLBB+ZGAUSS+NTHCOMP,W+NTHCOMP,H+XILLVERCP in XSPEC notation.
| All obs. | Obs. 1 | Obs. 2 | Obs. 3 | Obs. 4 | Obs. 5 | |
|---|---|---|---|---|---|---|
| FSMALLBB (10−12 erg s−1 cm−2) | 8.3 ± 0.7 | |||||
| EZGAUSS (keV) | 0.543 ± 0.008 | |||||
| NZGAUSS (10−4) | 2.5 ± 0.4 | |||||
| Γw | 2.91 ± 0.04 | 2.94 ± 0.05 | 2.76 ± 0.04 | 2.81 ± 0.04 | 2.77 ± 0.04 | |
| kTe,w (keV) |  |
 |
 |
 |
 |
|
| NNTHCOMP,W (10−3) | 2.2 ± 0.3 | 2.1 ± 0.3 | 3.7 ± 0.4 | 3.2 ± 0.4 | 3.7 ± 0.4 | |
| kTBB (eV) | 7.0 ± 0.5 | |||||
| Γh | 1.82 ± 0.02 | 1.76 ± 0.02 | 1.85 ± 0.02 | 1.82 ± 0.02 | 1.83 ± 0.02 | |
| kTe,h (keV) |  |
 |
 |
 |
 |
|
| NNTHCOMP,H (10−3) | 6.2 ± 0.3 | 5.6 ± 0.3 | 7.9 ± 0.3 | 7.8 ± 0.3 | 7.6 ± 0.3 | |
| NXILLVERC P (10−5) |  |
|||||
| AFe |  |
|||||
| log ξ (erg s−1 cm) |  |
|||||
| F2--10 keV (10−11 erg s−1 cm−2) | 2.23 ± 0.03 | 2.11 ± 0.03 | 2.80 ± 0.04 | 2.76 ± 0.04 | 2.69 ± 0.04 | |
| Lbol (1044 erg s−1) | 8.63 ± 0.03 | 8.16 ± 0.03 | 10.36 ± 0.03 | 9.98 ± 0.03 | 10.49 ± 0.03 | |
| ΔΓ | 0.07 ± 0.02 | |||||
| χ2/d.o.f. | 2048/1986 |
Notes. In the second column we list the fit parameters that were tied among all observations. In the subsequent columns, we list the fit parameters that were free to vary for each observation. The ZGAUSS normalization is the line flux density in units of photons s−1 cm−2. The NTHCOMP normalization is the flux density in units of photons s−1 cm−2 at 1 keV. For the definition of the XILLVERCP normalization, see Dauser et al. (2016).
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