Table 2
Schematic overview of the model components that were linked between the different regions and/or observations for the two-component model.
| Linked with same | ||||
|---|---|---|---|---|
| Parameter | Fixed | Detector(a) | Region | Observation |
| Area normalization | ✓ | |||
| Detector Lines | ||||
| Energy(b) | ✓ | |||
| Norm(c) | ✓ | |||
| SWCX Lines | ||||
| Energy | ✓ | |||
| Norm(c) | ✓ | |||
| Soft Proton BKG | ||||
| Index(b) | ✓ | |||
| Norm(c) | ✓ | |||
| Local bubble(d) | ✓ | ✓ | ||
| Galactic Absorption | ✓ | |||
| Cold Halo(d) | ✓ | ✓ | ||
| Hot halo(d) | ✓ | ✓ | ||
| LMC Absorption | ✓ | |||
| Straylight DISKBB | ||||
| Tin | ✓ | |||
| Norm(c,e) | ||||
| Diffuse Component | ||||
| kT | ✓ | |||
| Norm(c) | ✓ | |||
| 2nd Diffuse Component | ||||
| kT | ✓ | |||
| Norm(c) | ✓ | |||
| LMC BKG Absorption | ✓ | |||
| Extragal. BKG(d) | ✓ | ✓ | ||
Notes. A detailed description of the spectral model is given in the text. (a) Same detector means MOS1 with MOS1, MOS2 with MOS2 and pn with pn if not stated otherwise. (b) Parameter also linked between the MOS1 and MOS2 detectors. (c)Normalization of the model. (d)Parameters constrained to the 1σ uncertainty range from the fit results of the background study. (e) Fixed to zero if not flagged as straylight affected region (see text) and set free to fit otherwise.
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