Table 5.
Parameters of the best-fit spectro-polarimetric XSPEC model to the phase-averaged combined data set in different energy bands.
| Component | Parameter | Unit | 2–8 keV | 2–3 keV | 4–8 keV |
|---|---|---|---|---|---|
| tbabs | NH | 1022 cm−2 | 2.11 ± 0.08 | 2.11fixed | 2.11fixed |
| powerlaw | Photon index | 1.14 ± 0.02 | 1.11 ± 0.03 | 1.00 ± 0.02 | |
| polconst | PD | % | 1.7 ± 0.8 | 4.6 ± 1.5 | 4.8 ± 1.2 |
| PA | deg | −9 ± 14 | 42 ± 10 | −28 ± 8 | |
| constant | constDU2 | 1.017 ± 0.004 | 1.016 ± 0.007 | 1.015 ± 0.009 | |
| constDU3 | 1.003 ± 0.004 | 1.004 ± 0.007 | 0.998 ± 0.009 | ||
| Flux2 − 8 keV(a) | 10−10 erg s−1 cm−2 | 2.13 ± 0.03 | – | – | |
| L2 − 8 keV(b) | 1035 erg s−1 | 9.14 | – | – | |
| χ2 (d.o.f.) | 5545 (5029) | 1096 (1025) | 2935 (2843) | ||
Notes. The uncertainties are given at the 68.3% (1σ) c.l. and were obtained using the error command in XSPEC with Δχ2 = 1 for one parameter of interest.
Luminosity is computed using the distance of d = 6 kpc (Bailer-Jones et al. 2021; Neumann et al. 2023).
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