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Table 7
Fitting parameters of the spectral lines identified in the zabs = 2.1871 absorber.
| Ion | V, km s-1 | b, km s-1 | N, cm-2 | |||
|
|
||||||
| Fe ii∗ | 4.94 ± 0.10 | 2.56 ± 0.05 | (6.12 ± 0.04)E12 | |||
| 2.54 ± 0.15 | 6.47 ± 0.17 | (2.09 ± 0.05)E12 | ||||
| 13.73 ± 0.35 | 2.88 ± 0.29 | (4.06 ± 0.14)E11 | ||||
| Si ii | 4.92 ± 0.09 | 2.58 ± 0.06 | (9.92 ± 0.35)E12 | |||
| −6.6 ± 1.0 | 9.13 ± 0.47 | (5.94 ± 0.17)E11 | ||||
| 3.15 ± 0.15 | 6.57 ± 0.05 | (8.77 ± 0.13)E12 | ||||
| 14.83 ± 0.10 | 4.55 ± 0.07 | (1.2 ± 0.1)E12 | ||||
| O i | 4.97 ± 0.05 | 4.49 ± 0.03 | (3.10 ± 0.13)E14 | |||
| −6.7 ± 3.1 | 1.0 ± 1.0 | (1.73 ± 0.05)E12 | ||||
| 18.9 ± 0.5 | 4.8 ± 2.2 | (2.85 ± 0.65)E12 | ||||
| Mg ii | 3.84 ± 0.10 | 3.75 ± 0.06 | (7.76 ± 0.14)E12 | |||
| −7.14 ± 0.33 | 10.88 ± 0.41 | (7.10 ± 0.26)E11 | ||||
| 1.15 ± 0.15 | 6.97 ± 0.05 | (4.56 ± 0.05)E12 | ||||
| 13.67 ± 0.15 | 4.35 ± 0.11 | (8.22 ± 0.10)E11 | ||||
Notes. For each ion, the upper row lists the parameters of the main component, whereas the parameters of auxiliary components are listed below. Indicated are 1σ statistical errors.
∗
Lines are aligned with respect to Fe ii λ2344 Å (see Fig. 13).
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