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Table 4.
Best-fit parameters of the EPIC spectra A and B, assuming the PL+BB+APEC description of the spectral continuum and the metal abundance of the APEC component fixed at the estimated metallicity for the SMC (Z = 0.2 Z⊙).
| Parameter | Spectrum A | Spectrum B |
|---|---|---|
 (10−21 cm−2) |
1.3 ± 0.2 |  |
| Γ |  |
0.72 ± 0.03 |
| FluxPLa | 10.7 ± 0.1 | 4.86 ± 0.07 |
| kTBB (eV) |  |
165 ± 14 |
| RBB (km) |  |
 |
| FluxBBb | 1.8 ± 0.5 |  |
| kTAPEC (keV) | 1.0 ± 0.1 |  |
| NAPEC (×10−3 cm−5) |  |
 |
| FluxAPECb |  |
 |
| Emission lines | ||
| Eline1 (keV) | 1.40 ± 0.03 | 1.37 ± 0.04 |
| σline1 (keV) | 0 (fixed) | 0 (fixed) |
| Fluxline1c |  |
 |
| EWline1 (eV) |  |
5 ± 5 |
| Eline2 (keV) |  |
6.3 (fixed) |
| σline2 (keV) | 0 (fixed) | 0 (fixed) |
| Fluxline2c |  |
 |
| EWline2 (eV) |  |
29 ± 15 |
| FluxBB/FluxTOT (0.01–12 keV) | 1.7% | 6.8% |
| FluxAPEC/FluxTOT (0.01–12 keV) | 1.5% | 2.2% |
| Unabsorbed fluxd | 1.10 ± 0.01 | 0.53 ± 0.01 |
| Luminositye | 4.78 ± 0.05 | 2.30 ± 0.04 |
 /d.o.f. |
1.03/883 | 1.14/469 |
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