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Table 4.
Best-fitting results for the fit to the X-ray spectra of 4U 1636–53 with the reflection model BBODY+DISKBB+RELXILLLPCP.
| Model comp. | Parameter | X1 | X2 | X3 | X4 | X5 | X6 |
|---|---|---|---|---|---|---|---|
| TBABS | NH (1022 cm−2) | 0.56±0.05 | 0.44±0.04 | 0.49±0.02 | 0.47±0.05 | 0.46±0.03 | 0.51 |
| BBODY | kTBB (keV) | 2.00±0.10 | 2.11±0.05 | 2.06±0.03 | 2.05±0.03 | 2.05±0.02 | 2.40±0.08 |
| Norm (10−3) | 1.0 |
7.8±0.3 | 12.6±0.2 | 11.2±0.3 | 13.0±0.2 | 3.0±0.3 | |
| Flux (10−10 c.g.s.) | 0.88 |
6.57 |
10.76 |
9.58±0.24 | 11.02 |
2.54 |
|
| DISKBB | kTdisk (keV) | 0.19±0.01 | 0.90±0.03 | 1.00±0.02 | 0.96±0.02 | 0.95±0.01 | 0.23±0.02 |
| Norm | 21452 |
62±13 | 62±6 | 60±7 | 84±6 | 7146 |
|
| Flux (10−10 c.g.s.) | 8.44 |
8.72 |
13.78 |
11.28 |
15.04 |
2.90 |
|
| RELXILLLPCP | h (Rg) | 100 |
27 |
27 |
21 |
22 |
38 |
| Rin (Rg) | 50.00 |
5.12 |
5.66 |
5.12 |
5.12 |
5.12 |
|
| Γ | 1.83±0.01 | 2.13±0.06 | 2.26±0.04 | 2.29±0.10 | 2.26±0.05 | 1.89±0.02 | |
| log(ξ) | 3.72 |
3.81 |
3.70 |
3.68 |
3.47 |
3.64 |
|
| kTe (keV) | 24 |
10 |
10±1 | 10 |
10±1 | 41 |
|
| Rrefl | 2.9±1.9 | 10.0 |
10.0 |
10.0 |
10.0 |
8.0 |
|
| Norm (10−4) | 13.36 |
4.94 |
5.92 |
4.40 |
4.48 |
8.31±1.02 | |
| Flux (10−10 c.g.s.) | 27.11 |
27.55 |
28.28 |
20.85 |
21.16 |
35.15 |
|
 (χ2/d.o.f.) |
0.98 (173/177) | 1.01 (158/157) | 1.23 (192/156) | 0.92 (144/157) | 1.33 (206/155) | 1.22 (219/179) | |
| Total flux (10−10 c.g.s.) | 33.23 |
43.22 |
53.73 |
36.82 |
49.35 |
40.50 |
|
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