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Table 5.
Best-fit parameters combining NICER and NuSTAR spectra.
| Components | Parameters | Model 1 |
Model 2 |
Model 3 |
|||
|---|---|---|---|---|---|---|---|
| NICER | NuSTAR | NICER | NuSTAR | NICER | NuSTAR | ||
| constinstr | [1] | 1.192 ± 0.011 | [1] | 1.170 ± 0.014 | [1] | 1.190 ± 0.013 | |
| edge | E (keV) | [2.1] | [2.1] | [2.1] | |||
| τ | 0.07 ± 0.02 | [0] | 0.05 ± 0.02 | [0] | 0.04 ± 0.02 | [0] | |
| edge | E (keV) | 9.60 ± 0.08 | 9.62 ± 0.09 | 9.62 ± 0.09 | |||
| τ | [0] | 0.047 ± 0.006 | [0] | 0.038 ± 0.007 | [0] | 0.037 ± 0.007 | |
| TBabs | NH (×1020 cm−2) | 6.3 ± 1.0 | 6.6 ± 1.0 | 8 ± 2 | |||
| gabs | E0 (keV) | 0.730 ± 0.013 | 0.724 ± 0.014 | 0.66 ± 0.03 | |||
| σ0 (keV) | 0.11 ± 0.02 | 0.10 ± 0.02 | 0.17 ± 0.03 | ||||
| τ0 | 0.25 ± 0.10 | 0.25 ± 0.10 | 0.4 ± 0.2 | ||||
| bbodyrad | kTbb (keV) | 0.187 ± 0.006 | 0.173 ± 0.007 | 0.158 ± 0.011 | |||
| Nbb |
 |
 |
 |
||||
| Comptb | kT0 (keV) | 1.08 ± 0.03 | 1.34 ± 0.05 |
 |
|||
| kTe (keV) | 4.63 ± 0.02 | 4.22 ± 0.07 | 4.34 ± 0.07 | ||||
| α | 0.32 ± 0.02 | 0.459 ± 0.011 | < 0.13 | 0.22 ± 0.06 |
 |
0.35 ± 0.07 | |
| log A | 0.77 ± 0.06 | 0.20 ± 0.10 | 0.35 ± 0.12 | ||||
| NComptb (×10−3) | 6.0 ± 1.3 | 6.55 ± 0.15 |
 |
||||
| rdblur | Betor | – | – |
 |
|||
| Rin (Rg) | – | – |
 |
||||
| Rout (Rg) | – | – | [3000] | ||||
| i (deg) | – | – | [82.5] | ||||
| rfxconv | frefl | – | – |
 |
|||
| log(ξ) | – | – |
 |
||||
| expabs | Ec (keV) | – | [kT0] | [kT0] | |||
| Power-law | Γ | – | 1.96 ± 0.05 | 1.99 ± 0.05 | |||
| Npo (×10−2) | – | 2.1 ± 0.5 | 2.2 ± 0.4 | ||||
| Gauss | E (keV) |
 |
 |
– | |||
| σ (eV) |
 |
 |
– | ||||
| I (×10−4) |
 |
 |
– | ||||
| Gauss | E (keV) | 6.378 ± 0.014 | 6.39 ± 0.02 |
 |
|||
| Fe I | σ (eV) |
 |
 |
 |
|||
| I (×10−4) | 3.3 ± 0.5 |
 |
2.5 ± 0.7 | ||||
| Gauss | E (keV) | 6.90 ± 0.03 | 6.91 ± 0.03 | 6.95 ± 0.06 | |||
| Fe XXVI | σ (eV) |
 |
 |
 |
|||
| I (×10−4) | 1.7 ± 0.3 |
 |
0.7 ± 0.2 | ||||
| χ2/d.o.f. | 469/318 | 302/316 | 296/315 | ||||
Notes. The errors are at 90% confidence level. The values in square brackets were kept fixed during the fit. The intensity of the lines is in units of photons cm−2 s−1.
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