Free Access
Table 1
Fit parameters for the best fit model for the overall spectrum and the spectra of the four states I − IV, respectively.
| Parameter | All | I | II | III | IV |
|
|
|||||
| Cov. Frac. |
|
|
|
|
|
| NH,1 [1022 atoms cm-2] |
|
147 ± 6 |
|
114 ± 5 |
|
| NH,2 [1022 atoms cm-2] | 53.7 ± 1.6 | 59 ± 4 | 47 ± 2 |
|
|
| Norm [keV-1 s-1 cm-2] |
|
|
|
|
|
| Photo Index Γ | 0.90 ± 0.02 | 0.93 ± 0.04 | 1.10 ± 0.04 | 0.78 ± 0.03 |
|
| Fe Kα A [ph s-1 cm-2] |
|
|
|
|
|
| Fe Kα E [keV] |
|
6.413 ± 0.003 | 6.407 ± 0.002 | 6.453 ± 0.003 |
|
| Fe Kα σ [keV] |
|
0.040 ± 0.004 | 0.040 ± 0.003 |
|
|
| CS E1 [keV] | 6.205 ± 0.009 |
|
|
|
|
| CS A [ph s-1 cm-2] | (2.0 ± 0.3) × 10-3 |
|
|
|
|
| Fe Kβ A [ph s-1 cm-2] | (2.32 ± 0.05) × 10-3 | (1.76 ± 0.08) × 10-3 | (2.04 ± 0.07) × 10-3 |
|
|
| Fe Kβ E [keV] | 7.095 ± 0.002 | 7.087 ± 0.005 |
|
|
7.063 ± 0.009 |
| Fe Kβ σ [keV] |
|
0.069 ± 0.006 | 0.063 ± 0.005 | 0.052 ± 0.005 |
|
| Ni Kα A [ph s-1 cm-2] |
|
|
|
(0.69 ± 0.07) × 10-3 |
|
| Ni Kα E [keV] | 7.491 ± 0.005 |
|
|
|
7.50 ± 0.03 |
| Ni Kα σ [keV] |
|
≤ 0.04 |
|
≤ 0.03 |
|
| Ca Kα A [ph s-1 cm-2] | (0.73 ± 0.06) × 10-4 | (0.47 ± 0.09) × 10-4 | (0.82 ± 0.09) × 10-4 | (1.03 ± 0.18) × 10-4 | (0.8 ± 0.2) × 10-4 |
| Ca Kα E [keV] |
|
|
|
|
|
| Ar Kα A [ph s-1 cm-2] | (3.2 ± 0.3) × 10-5 | (1.9 ± 0.5) × 10-5 | (3.1 ± 0.5) × 10-5 | (0.47 ± 0.09) × 10-4 |
|
| Ar Kα E [keV] |
|
|
|
3.000 ± 0.015 | 2.96 ± 0.02 |
| S Kα A [ph s-1 cm-2] | (3.3 ± 0.4) × 10-5 | (2.1 ± 0.5) × 10-5 | (3.0 ± 0.5) × 10-5 | (0.61 ± 0.10) × 10-4 |
|
| S Kα E [keV] |
|
2.35 ± 0.02 | 2.315 ± 0.011 | 2.348 ± 0.012 | 2.36 ± 0.06 |
| Abs. Feat. A [ph s-1 cm-2] |
|
|
|
( − 1.5 ± 0.5) × 10-3 |
|
| Abs. Feat. E [keV] | 5.61 ± 0.03 |
|
|
|
|
| Abs. Feat. σ [keV] | 0.26 ± 0.03 |
|
|
|
|
| Cr Kα A [ph s-1 cm-2] | (1.5 ± 0.2) × 10-4 | (1.2 ± 0.5) × 10-4 |
|
|
(1.9 ± 0.7) × 10-4 |
| Cr Kα E [keV] |
|
|
5.42 ± 0.03 | 5.44 ± 0.03 |
|
| Ni Kβ A [ph s-1 cm-2] | (1.2 ± 0.3) × 10-4 | (0.8 ± 0.5) × 10-4 | (1.2 ± 0.4) × 10-4 | (1.9 ± 0.8) × 10-4 |
|
| Ni Kβ E [keV] |
|
|
|
|
|
| DC Level [keV-1 s-1 cm-2] | (0.48 ± 0.04) × 10-4 | (3.9 ± 0.6) × 10-5 | (3.4 ± 0.6) × 10-5 | (0.74 ± 0.11) × 10-4 |
|
| Ratio Fe |
|
|
|
|
|
| Ratio Ni | 0.20 ± 0.05 | 0.18 ± 0.11 | 0.18 ± 0.06 | 0.23 ± 0.14 | 0.2 ± 0.2 |
| Fe Ions | – | XII–XIII | VI–XI | ≥ XIV | IX–XI |
|
448.02/369 (1.214) | 113.69/122 (0.932) | 136.13/120 (1.134) | 129.76/131 (0.991) | 91.72/90 (1.019) |
| ℱ2–10 keV [erg s-1 cm-2] | 1.043 × 10-9 | 8.863 × 10-10 | 7.127 × 10-10 | 1.852 × 10-9 | 8.048 × 10-10 |
 [erg s-1 cm-2] |
1.617 × 10-8 | 1.624 × 10-8 | 2.151 × 10-8 | 1.797 × 10-8 | 1.350 × 10-8 |
|
|
|||||
| Gainshift | 1.00396 ± 0.00017 |
|
|
1.0082 ± 0.0003 |
|
|
|
468.08/375 (1.248) | 129.48/128 (1.012) | 172.64/126 (1.370) | 133.93/137 (0.978) | 101.12/96 (1.053) |
Notes. For details on the model see text. Uncertainties are given at the 90% limit. The two lowest values are obtained when using a gainshift kernel, as discussed in the text.
Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.
Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.
Initial download of the metrics may take a while.