Table 3.
Best-fit parameters for PFS and ObsID 810, 902, and 904.
| PF | 1st | 2st | Spectral | |
|---|---|---|---|---|
| 810 | ||||
| χred, lo2/d.o.f. | 1.0/48 | 0.8/47 | 0.7/47 | – |
| χred, hi2/d.o.f. | 0.9/32 | 0.9/33 | 1.0/33 | – |
| npol(hi) | 2 | 2 | 2 | – |
| npol(lo) | 1 | 1 | 1 | – |
| Esplit (keV) | 12.84 | 12.26 | 12.31 | – |
| A1 (keV) | 1.31±0.09 | 0.81±0.05 | 0.6±0.05 | – |
| E1 (keV) | 27.30±0.15 | 27.07±0.14 | 28.9±0.2 | – |
| σ1 (keV) | 2.11±0.12 | 2.04±0.11 | 2.69±0.19 | – |
| Dcyc (keV) | – | – | – | 0.895±0.004 |
| Ecyc (keV) | – | – | – | 28.90±0.05 |
| σcyc (keV) | – | – | – | 6.30±0.01 |
| 902 | ||||
| χred, lo2/d.o.f. | 1.5/26 | 1.0/28 | 1.5/23 | – |
| χred, hi2/d.o.f. | 0.6/9 | 1.7/7 | 1.5/12 | – |
| npol(hi) | 2 | 2 | 2 | – |
| npol(lo) | 1 | 1 | 1 | – |
| Esplit (keV ) | 13.42 | 14.99 | 11.24 | – |
| A1 (keV) | 0.50±0.11 | 0.51 |
0.14 |
– |
| E1 (keV) | 28.0 |
28.53±0.07 | 32 |
– |
| σ1 (keV) | 1.13 |
1.07±0.15 | 0.6±0.3 | – |
| Dcyc (keV) | – | – | – | 0.925±0.004 |
| Ecyc (keV) | – | – | – | 30.42±0.05 |
| σcyc (keV) | – | – | – | 6.80±0.01 |
| 904 | ||||
| χred, lo2/d.o.f. | 1.3/48 | 1.2/42 | 1.4/42 | – |
| χred, hi2/d.o.f. | 1.0/17 | 1.3/23 | 1.6/23 | – |
| npol(hi) | 2 | 2 | 2 | – |
| npol(lo) | 1 | 1 | 1 | – |
| Esplit (keV) | 14.96 | 11.74 | 11.78 | – |
| A1 (keV) | 3.0±1.1 | 0.53±0.05 | 1.1 |
– |
| E1 (keV) | 30.7±0.7 | 29.03±0.19 | 33±1 | – |
| σ1 (keV) | 4.2±0.5 | 1.8±0.2 | 4.9±0.5 | – |
| Dcyc (keV) | – | – | – | 0.921±0.004 |
| Ecyc (keV) | – | – | – | 30.28±0.06 |
| σcyc (keV) | – | – | – | 6.90±0.01 |
Notes. The columns labelled PF, 1st, and 2nd correspond to the best-fit parameters and uncertainties for the PFS, as well as the energy-dependent amplitudes of the first and second harmonics, respectively. The CRSF parameters in the spectral column are referenced from Doroshenko et al. (2017). The values χred, lo2 and χred, hi2 represent the reduced χ2 for the lower- and higher-energy sections, respectively, with npol(lo) and npol(hi) denoting the corresponding polynomial orders. The parameter Esplit indicates the energy at which the two regions are separated.
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