Table 2
Fit parameters for the phase averaged spectra with different models.
| Model | Cutoffpl | Cutoffpl | Highecut | Highecut | CompTT | CompTT |
| parameter | +bbody | +bbody | +bbody | |||
|
|
||||||
| NH [1022 cm-2] | 20.6 ± 1.5 | 14 ± 2 | 15 ± 2 | 15 ± 2 |
|
9 ± 2 |
| Acont [ph@1 keV] |
|
|
|
|
(0.54 ± 0.03) × 10-2 | (4.8 ± 0.4) × 10-3 |
| Γ | 1.59 ± 0.07 | 1.15 ± 0.12 |
|
|
– | – |
| Efold [keV] | 28 ± 3 | 20 ± 2 | 27 ± 3 | 23 ± 3 | – | – |
| Ecutoff [keV] | – | – | 7.8 ± 0.5 |
|
– | – |
| T0 [keV] | – | – | – | – | 1.19 ± 0.04 | 1.15 ± 0.06 |
| kT [keV] | – | – | – | – |
|
10.1 ± 0.3 |
| τ | – | – | – | – |
|
|
| Fe σ [keV] |
|
|
0.41 ± 0.17 | 0.1 | 0.1 |
|
| Fe Energy [keV] | 6.76 ± 0.15 | 6.47 ± 0.07 |
|
|
|
6.44 ± 0.06 |
| Fe A [ph/s/cm2] |
|
|
|
|
|
|
| bbody kT [keV] | – |
|
– |
|
– | 3.1 ± 0.4 |
| bbody norm | – |
|
– | (5 ± 2) × 10-4 | – |
|
χ2/d.o.f. |
147.4/100 (1.47) | 94.6/98 (0.97) | 102.7/99 (1.04) | 85.4/98 (0.87) | 124.5/100 (1.25) | 98.8/97 (1.02) |
Notes. No significant width of the iron line could be measured for the highecut + bbody and the compTT model and Fe σ was consequently frozen to 0.1. Not shown are the cross calibration factors and the renormalization of the PCA background, which are similar for all models and close to 1.
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