Open Access
Table 1
Spectral fit parameters.
| Central regions | Hook regions | |||
|---|---|---|---|---|
| Region | C1 | C2 | H1 | H2 |
| model | 2vnei+powerlaw | 2vnei+powerlaw | 2vnei | 2vnei |
| NH (1022 cm−2) | 0.28 (0.21−0.35) | 0.13 (0.10−0.17) | 0.13 (0.11−0.17) | 0.25 (0.20−0.30) |
| kT1 (keV) | 0.24 (0.15−0.25) | 0.28 (0.23−0.39) | 0.26 (0.23−0.29) | 0.27 (0.25−0.32) |
| τ1 (cm−3 s) | 2.4e+11 (>1.7e+10) | 1.8e+11 (6.2e+10−3.9e+11) | 2.7e+11 (1.7e+11−5.4e+11) | 6.5e+11 (2.5e+11−1.3e+12) |
| norm1 | 1.8e−3 (3.7e−4−2.5e−2) | 3.7e−3 (2.0e−3−7.6e−3) | 1.3e−2 (0.8e−2−2.3e−2) | 6.2e−3 (3.2e−3−9.9e−3) |
| kT2 (keV) | 0.82 (0.76−0.86) | 0.82 (0.76−0.86) | 0.63 (0.62−0.65) | 0.70 (0.67−0.77) |
| τ2 (cm−3 s) | 1.9e+11 (>1.3e+11) | 3.0e+11 (>1.3e+11) | 3.0e+13 (>1.6e+12) | 3.3e+11 (2.3e+11−4.9e+11) |
| norm2 | 6.4e−4 (3.6e−4−2.0e−3) | 1.3e−3 (1.0e−3−2.1e−3) | 1.3e−2 (1.1e−3−1.4e−3) | 2.6e−3 (1.9e−3−3.2e−3) |
| norm2/norm1 | 0.35 | 0.35 | 1.0 | 0.42 |
| Γ | 1.7 (1.3−2.2) | 1.8 (1.5−2.3) | ||
| normp | 1.3e−3 (1.0e−3−1.8e−3) | 2.3e−3 (1.7e−3−3.0e−3) | ||
| χ2 | 111.36 | 513.73 | 872.00 | 323.29 |
| DOF | 126 | 468 | 661 | 256 |
| Fabs(†) (erg s−1 cm−2) | 8.7e−12 | 2.2e−11 | 3.4e−11 | 7.6e−12 |
| Funabs(†) (erg s−1 cm−2) | 1.9e−11 | 4.0e−11 | 7.5e−11 | 2.8e−11 |
| A(*) (deg2) | 0.019 | 0.076 | 0.140 | 0.061 |
| Outskirts | ||||
| Region | OS1 | OS2 | OS3 | |
| model | 2vapec | 2vapec | 2vapec | |
| NH (1022 cm−2) | 0.21 (0.19−0.24) | 0.15 (0.13−0.16) | 0.19 (0.17−0.22) | |
| kT1 (keV) | 0.21 (0.20−0.22) | 0.19 (0.18−0.20) | 0.22 (0.21−0.23) | |
| norm1 | 4.8e−2 (3.9e−2−6.0e−2) | 1.0e−1 (9.5e−2−1.2e−1) | 2.9e−2 (2.3e−2−3.7e−2) | |
| kT2 (keV) | 0.83 (0.80−0.86) | 0.80 (0.76−0.84) | 0.80 (0.76−0.86) | |
| norm2 | 6.1e−3 (5.2e−3−7.0e−3) | 5.7e−3 (4.7e−3−6.6e−3) | 2.1e−3 (1.8e−3−2.5e−3) | |
| norm2/norm1 | 0.13 | 0.057 | 0.072 | |
| χ2 | 735.26 | 1151.54 | 586.15 | |
| DOF | 601 | 898 | 569 | |
| Fabs(†) (erg s−1 cm−2) | 1.8e−11 | 4.1e−11 | 1.6e−11 | |
| Funabs(†) (erg s−1 cm−2) | 9.5e−11 | 1.9e−10 | 7.0e−11 | |
| A(*) (deg2) | 0.187 | 0.429 | 0.195 | |
| Outer regions | ||||
| Region | O1 | O2 | ||
| model | 2vapec | 2vapec | ||
| NH (1022 cm−2) | 0.18 (0.16−0.20) | 0.12 (0.09−0.15) | ||
| kT1 (keV) | 0.20 (0.19−0.21) | 0.19 (0.18−0.20) | ||
| norm1 | 3.2e−2 (2.6e−2−3.9e−2) | 9.3e−3 (6.9e−3−1.3e−2) | ||
| kT2 (keV) | 1.7 (1.4−2.0) | 0.98 (0.80−1.20) | ||
| norm2 | 2.7e−3 (2.1e−3−3.3e−3) | 2.5e−4 (1.6e−4−3.4e−4) | ||
| norm2/norm1 | 0.084 | 0.027 | ||
| χ2 | 535.60 | 329.11 | ||
| DOF | 511 | 287 | ||
| Fabs(†) (erg s−1 cm−2) | 1.1e−11 | 4.6e−12 | ||
| Funabs(†) (erg s−1 cm−2) | 5.7e−11 | 1.9e−11 | ||
| A(*) (deg2) | 0.343 | 0.150 | ||
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