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Table 3.
Starting values for the parameters describing the cosmic X-ray background in our spectral model.
| Component | Parameter | Value | Fixed/Variable |
|---|---|---|---|
| apec1 | kBT [keV] | 0.099a | Fixed |
| Z [Z⊙] | 1 | fixed | |
| z | 0 | Fixed | |
| norm [cm−5/arcmin2] | 1.7 × 10−6 | Variable | |
| phabs | nH [atoms cm−2] | 7.49 × 1020 | Fixed |
| apec2 | kBT [keV] | 0.225a | Fixed |
| Z [Z⊙] | 1 | Fixed | |
| z | 0 | Fixed | |
| norm [cm−5/arcmin2] | 7.3 × 10−7 | Variable | |
| powerlaw | Γ | 1.45b | Fixed |
| norm⋆ | 5 × 10−7 | Variable | |
Notes. ⋆in [photons/keV/cm2/s/arcmin2] at 1 keV, a McCammon et al. (2002), b De Luca & Molendi (2004).
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