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Table 3
Grid of hydrogen column densities NH used for determination of the X-ray spectrum and the unabsorbed flux in the 2.5 − 10 keV range.
| NH | Γ | F2.5−10 keV |
| [1022 cm-2] | [10-12 erg s-1 cm-2] | |
|
|
||
| Background from surrounding annulus | ||
| 2.0 | 1.43  |
7.7  |
| 2.2 | 1.47  |
7.6  |
| 2.4 | 1.51  |
7.7 |
|
|
||
| No background | ||
| 2.0 | 1.49  |
9.6 |
| 2.2 | 1.53  |
9.7 |
| 2.4 | 1.57 |
9.7 |
Notes. Fits were performed using an annulus with radius of 4″ − 10″ for background level estimation (top part of the table), and not using any background region (bottom part of the table).
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