Table 6
Fit results with igmabs.
| Name | z | n0∕10−7cm−3 | log(T∕K) | logξa |  |
|---|---|---|---|---|---|
| QSO B0014+810 | 3.366 |  |
> 6.84b | 0.87 ± 0.24 | 1.01∕842 |
| PBC J1656.2–3303 | 2.4 |  |
 |
1.24 ± 0.33 | 1.10∕687 |
| PKS 2149–306 | 2.345 |  |
 |
1.41 ± 0.43 | 0.98∕2737 |
| 4C 71.07 | 2.172 |  |
 |
2.00 ± 0.45 | 1.05∕2118 |
| All | – |  |
 |
1.47 ± 0.27 | 1.03∕6392 |
Notes. Errors and upper (lower) limits were computed within XSPEC at 90% confidence level. (a) The parameter was tied to the hydrogen density with the relation logξ = 1.48 − log(n0). Through this relation, asymmetric errors of n0 were first averaged (e.g., see D’Agostini 2003, Chap. 12) and then propagated. (b) log T was left free to vary between 0 and 8, the best value being in this case 7.81.
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