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Table 2
Spectral results.
| XMM-Newton | Chandra | Suzaku | ||
| 2003 | 2007 | 2011 | ||
|
|
||||
| Γ | 1.17 ± 0.17 | 1.56 ± 0.22 | 1.53 ± 0.14 | |
| NH (1022 cm-2) | 3.6 ± 0.5 |
|
|
|
| Fa (10-12 erg cm-2 s-1) | 1.37 ± 0.07 |
|
1.04 ± 0.03 | |
| Fb (10-12 erg cm-2 s-1) | 2.11 |
|
|
|
| χ2/d.o.f., d.o.f. | 0.88, 79 | 1.10, 91 | 1.07, 155 | |
|
|
||||
| kTBB (keV) | 1.87 ± 0.12 |
|
1.84 |
|
| NH (1022 cm-2) | 1.6 ± 0.3 | 2.5 ± 0.3 | 2.5 |
|
 (km) |
0.12 ± 0.05 | 0.16 ± 0.02 | 0.11 ± 0.01 | |
| Fa (10-12 erg cm-2 s-1) | 1.26 ± 0.07 |
|
1.00 ± 0.03 | |
| Fb (10-12 erg cm-2 s-1) | 1.45 ± 0.06 | 1.09 ± 0.05 | 1.21 ± 0.04 | |
| χ2/d.o.f., d.o.f. | 0.92, 79 | 1.12, 91 | 1.07, 155 | |
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