Table 4
Simultaneous fit of the four 2014 XMM-Newton/pn data with the baseline Comptonization model with Comptt (model ℬ, Col. 2) over the 0.3–10 keV energy range.
| Parameters | modelB | + 1 relline | |
|
|
|||
| NH (×1021 cm-2) | 1.06±0.01 | 1.07±0.01 | |
| q | − | 3(f) | |
| Rin (Rg) | − | 45.3 |
|
| a | − | (nc) | |
| θ (degrees) | − | 30(f) | |
| E (keV) | − | 6.52 |
|
| norm (×10-5) | − | 2.7±0.3 | |
|
|
|||
| 2014 March 18 | |||
|
|
|||
| kTe (keV) | 0.84 |
0.87 |
|
| τ | 6.6 |
6.3 |
|
| norm | 2.7 |
2.7 |
|
| Γ | 1.78 |
1.79±0.03 | |
| norm (×10-2) | 1.1±0.1 | 1.1±0.1 | |
|
|
|||
| 2014 March 20 | |||
|
|
|||
| k T e | 0.65±0.09 | 0.69 |
|
| τ | 8.0 |
7.7 |
|
| norm | 2.1±0.3 | 2.0±0.3 | |
| Γ | 1.74±0.03 | 1.75±0.04 | |
| norm (×10-3) | 9.1 |
9.2 |
|
|
|
|||
| 2014 March 22 | |||
|
|
|||
| k T e | 0.79±0.14 | 0.83 |
|
| τ | 7.1 |
6.8 |
|
| norm | 1.9 |
1.9 |
|
| Γ | 1.74 |
1.75 |
|
| norm (×10-2) | 1.0±0.1 | 1.0±0.1 | |
|
|
|||
| 2014 March 24 | |||
|
|
|||
| k T e | 0.63 |
0.68 |
|
| τ | 8.1±0.7 | 7.8 |
|
| norm | 2.1±0.3 | 2.0 |
|
| Γ | 1.74±0.03 | 1.74±0.04 | |
| norm (×10-3) | 9.5 |
9.4±0.7 | |
|
|
|||
| χ2/d.o.f. | 7384.1/6735 | 7165.2/6732 | |
|
1.10 | 1.06 | |
Notes. The fit results when adding a relline component are reported in Col. 3. (nc) means that the parameter value is not constrained.
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