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Table 2
Parameters of the best fit models to the pn spectra in the three different temporal phases.
| Phase | |||
| Parameters | Low rate | Rise | High rate |
|
|
|||
| χ2 | 124.1 | 89.4 | 208.6 |
| d.o.f. | 134 | 99 | 147 |
| NH (cm-2) | 0.33 ± 0.02 | 0.32 ± 0.03 | 0.31 ± 0.07 |
| kT1 (keV) | 0.9 ± 0.03 | (0.9) | (0.9) |
| Abundance (Z/Z ⊙) | 0.13 ± 0.02 | (0.13) | (0.13) |
| EM1 (1052 cm-3) | 21.8 ± 0.7 | (21.8) | (21.8) |
| kT2 (keV) | 2.1 ± 0.4 | (2.1) | (2.1) |
| EM2 (1052 cm-3) | 7.8 ± 2.9 | (7.8) | (7.8) |
| kT3 (keV) | – | 3.4 ± 0.5 | 3.0 ± 0.3 |
| EM3 (1052 cm-3) | – | 5.1 ± 0.7 | 9.7 ± 0.7 |
| Flux (10-12 erg s-1 cm-2) | 1.50 | 1.88 | 2.2 |
Notes. Parameters kept fixed in rise and high rate phases are enclosed in parentheses.
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