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Table 2
Parameters determined by fitting a Voigt profiles to the absorption troughs.
| Line | NHI | b | zabs |
| cm-2 | km s-1 | ||
|
|
|||
| Yggdrasil | |||
| Lyα absorber 1 | 5.0 × 1013 | 84 | 2.90689 ± 0.00032 |
| Lyα absorber 2 | 1.3 × 1019 | 64 | 2.91864 ± 0.00002 |
| Lyα absorber 3 | 3.7 × 1013 | 140 | 2.92641 ± 0.00023 |
| Lyα absorber 4 | 1.7 × 1013 | 33 | 2.93254 ± 0.00007 |
| CIV absorber 2 | 3.4 × 1014 | 94 | 2.91940 ± 0.00007 |
| 6.9 × 1014 | 100 | 2.91945 ± 0.00006 | |
|
|
|||
| Bifrost | |||
| Lyα absorber 2 | 7 × 1018 | − | 2.91841 ± 0.00045 |
Notes. Fits are performed on the absorption troughs in the Lyα line observed for both Yggdrasil and in-between Odin and Thor. The CIV line has been fitted with two Voigt profiles with the same fitting parameters.
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