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Table 3.
Swift-NuSTAR best-fit parameters derived using an absorbed power law plus a Gaussian component accounting for the Fe Kα emission line (tbabs×ztbabs×(zgauss+power-law) in XSPEC) corresponding to Δχ2/d.o.f. = 1309/1256.
| Parameter | Obs. 1 | Obs. 2 | Obs. 3 | Obs. 4 | Obs. 5 | Obs. 6 | Units |
|---|---|---|---|---|---|---|---|
| NH ( † ) | 6.6 ± 0.4 | ×1022 cm−2 | |||||
| Γ | 1.81 ± 0.04 | 1.73 ± 0.04 | 1.79 ± 0.03 | 1.77 ± 0.04 | 1.77 ± 0.04 | 1.77 ± 0.03 | |
| Nprimary | 4.6 ± 0.5 | 4.7 ± 0.6 | 5.2 ± 0.6 | 8.0 ± 0.6 | 7.4 ± 0.9 | 7.9 ± 0.5 | ×10−3 ph. keV−1 cm2 s−1 |
| EFe Kα ( † ) | 6.4 | keV | |||||
| EWFe Kα | 85 ± 50 | 210 ± 60 | 43 ± 38 | 45 ± 35 | 55 ± 35 | 105 ± 40 | eV |
| NFe Kα | 1.4 ± 0.8 | 4.1 ± 1.2 | 0.85 ± 0.76 | 1.4 ± 1.1 | 1.6 ± 1.0 | 3.3 ± 1.2 | ×10−5 ph. cm−2 s−1 |
| F3−10 keV | 1.23 ± 0.08 | 1.41 ± 0.18 | 1.44 ± 0.16 | 2.23 ± 0.10 | 2.13 ± 0.23 | 2.29 ± 0.11 | ×10−11 erg cm−2 s−1 |
Notes. The ( † ) indicates those parameters that have been fitted but linked between the observations.
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