Open Access
Table 3.
X-ray spectral fitting results for both candidates.
| BB | |||||||
|---|---|---|---|---|---|---|---|
| Source | NH | kT | Radius (a) | log(Z) | log(ZBB/Z) | AIC | Absorbed flux (b) |
| [1020 cm−2] | [eV] | [km] | [10−13 erg s−1 cm−2] | ||||
| J0657 |
 |
 |
 |
−37.4 | 0 | 65.7 |
 |
| J1317 |
 |
 |
 |
−71.2 | 0 | 128.5 |
 |
| apec(c) | |||||||
| Source | NH | kT | z | log(Z) | log(ZBB/Z) | AIC | Absorbed flux (b) |
| [1020 cm−2] | [eV] | [10−13 erg s−1 cm−2] | |||||
| J0657 |
 |
 |
0 | −39.5 | 2.0 | 68.0 |
 |
| J1317 |
 |
 |
 |
−72.1 | 0.9 | 118.9 |
 |
| PL | |||||||
| Source | NH | Γ | log(Z) | log(ZBB/Z) | AIC | Absorbed flux (b) | |
| [1020 cm−2] | [10−13 erg s−1 cm−2] | ||||||
| J0657 |
 |
 |
−40.3 | 2.9 | 68.9 |
 |
|
| J1317 |
 |
 |
−83.7 | 12.5 | 151.2 |
 |
|
| NSA(d) | |||||||
| Source | NH | kT | Magn. field | Dist. | log(ZBB/Z) | AIC | Absorbed flux (b) |
| [1020 cm−2] | [eV] | [G] | [pc] | [10−13 erg s−1 cm−2] | |||
| J0657 |
 |
 |
0 |
 |
1.4 | 67.1 |
 |
| J0657 |
 |
 |
1012 |
 |
1.2 | 66.6 |
 |
| J0657 |
 |
 |
1013 |
 |
1.5 | 66.4 |
 |
| J1317 |
 |
 |
0 |
 |
4.1 | 135.1 |
 |
| J1317 |
 |
 |
1012 |
 |
2.9 | 133.4 |
 |
| J1317 |
 |
 |
1013 |
 |
3.1 | 133.3 |
 |
Notes. We present the median value estimated from the sample parameter distribution and the errors give the 1σ confidence region. We adopted 400 live points to sample the parameter space.
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