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Table 5
Neutral hydrogen column density, derived from Lyα, LSP, low-ionisation LSP and high-ionisation LSP for the 69 spectra in our sample.
| GRB | log NH i | LSP | LSPL | LSPH |
|
|
||||
| 050319 | 20.90 ± 0.20 | 0.69 ± 0.30 | 0.67 ± 0.14 | 1.20 ± 0.25 |
| 050401 | 22.60 ± 0.30 | 0.57 ± 0.46 | 0.34 ± 0.31 | 0.12 ± 0.03 |
| 050408 | – | 0.49 ± 0.37 | 0.34 ± 0.22 | – |
| 050730 | 22.10 ± 0.10 | −0.46 ± 0.27 | −0.48 ± 0.22 | −0.31 ± 0.12 |
| 050802 | – | 0.41 ± 0.18 | 0.48 ± 0.18 | 0.20 ± 0.04 |
| 050824 | – | −0.68 ± 0.24 | −0.68 ± 0.24 | – |
| 050908 | 17.60 ± 0.10 | −1.12 ± 0.96 | <− 3.19 | 0.09 ± 0.11 |
| 050922C | 21.55 ± 0.10 | −0.90 ± 0.57 | −0.64 ± 0.26 | −0.75 ± 0.27 |
| 060115 | 21.50 ± 0.10 | 0.01 ± 0.22 | 0.28 ± 0.06 | −0.84 ± 0.18 |
| 060124 | 18.50 ± 0.50 | 0.28 ± 0.08 | <− 1.55 | 0.28 ± 0.08 |
| 060206 | 21.85 ± 0.10 | 0.50 ± 0.15 | <1.01 | – |
| 060210 | 21.55 ± 0.15 | 1.35 ± 0.71 | 1.21 ± 0.47 | 1.48 ± 0.53 |
| 060502A | – | −0.16 ± 0.21 | −0.16 ± 0.21 | – |
| 060526 | 20.00 ± 0.15 | −0.46 ± 0.53 | −0.12 ± 0.14 | −2.39 ± 0.51 |
| 060614 | – | <− 0.37 | <− 0.37 | – |
| 060707 | 21.00 ± 0.20 | 0.36 ± 0.35 | 0.66 ± 0.20 | −0.87 ± 0.19 |
| 060714 | 21.80 ± 0.10 | 0.62 ± 0.33 | 0.52 ± 0.25 | 0.64 ± 0.23 |
| 060729 | – | −0.84 ± 0.40 | −0.84 ± 0.40 | – |
| 060904B | – | 0.04 ± 0.13 | 0.04 ± 0.13 | – |
| 060906 | 21.85 ± 0.10 | −0.42 ± 0.19 | −0.31 ± 0.07 | −0.29 ± 0.06 |
| 060908 | – | 0.45 ± 0.10 | <− 0.18 | 0.45 ± 0.10 |
| 060926 | 22.60 ± 0.15 | −0.25 ± 0.09 | −0.10 ± 0.02 | −0.32 ± 0.07 |
| 060927 | – | <0.23 | <0.23 | – |
| 061007 | – | 0.65 ± 0.34 | 0.65 ± 0.34 | – |
| 061021 | – | −1.00 ± 0.21 | −1.00 ± 0.21 | – |
| 061110A | – | −0.05 ± 0.01 | −0.05 ± 0.01 | – |
| 061110B | – | 0.14 ± 0.24 | −0.37 ± 0.11 | 0.64 ± 0.19 |
| 061121 | – | 0.76 ± 0.37 | 0.79 ± 0.43 | 0.90 ± 0.19 |
| 070110 | 21.70 ± 0.10 | −0.33 ± 0.41 | −0.09 ± 0.20 | −0.95 ± 0.35 |
| 070125 | – | −2.58 ± 0.80 | −3.35 ± 0.71 | −1.82 ± 0.39 |
| 070306 | – | <0.36 | <0.36 | <1.69 |
| 070318 | – | −0.39 ± 0.37 | −0.39 ± 0.37 | – |
| 070411 | 19.30 ± 0.30 | −0.97 ± 0.72 | −1.24 ± 0.46 | −0.05 ± 0.05 |
| 070419A | – | −0.29 ± 0.12 | −0.29 ± 0.12 | – |
| 070506 | 22.00 ± 0.30 | 0.50 ± 0.39 | 0.54 ± 0.28 | 0.70 ± 0.28 |
| 070508 | – | <0.39 | <0.39 | – |
| 070611 | – | −0.81 ± 0.17 | −0.81 ± 0.17 | <− 1.84 |
| 070721B | 21.50 ± 0.20 | 0.27 ± 0.24 | 0.17 ± 0.04 | 0.56 ± 0.21 |
| 070802 | 21.50 ± 0.20 | 1.12 ± 0.68 | 1.35 ± 0.68 | −0.16 ± 0.03 |
| 071020 | – | 0.50 ± 0.28 | 0.50 ± 0.28 | <− 0.13 |
| 071031 | 22.15 ± 0.05 | −0.40 ± 0.32 | −0.47 ± 0.30 | 0.02 ± 0.04 |
| 071112C | – | −0.59 ± 0.32 | −0.59 ± 0.32 | – |
| 080210 | 21.90 ± 0.10 | 0.22 ± 0.32 | 0.02 ± 0.20 | 0.62 ± 0.22 |
| 080319B | – | −0.75 ± 0.23 | −0.75 ± 0.23 | – |
| 080319C | – | 0.46 ± 0.24 | 0.45 ± 0.10 | 0.60 ± 0.13 |
| 080330 | – | −0.43 ± 0.42 | −1.12 ± 0.34 | −0.47 ± 0.10 |
| 080411 | – | −0.08 ± 0.12 | −0.15 ± 0.11 | – |
| 080413B | – | 0.19 ± 0.28 | 0.44 ± 0.22 | – |
| 080520 | – | <− 0.60 | <− 0.60 | <2.11 |
| 080603B | 21.85 ± 0.05 | −1.11 ± 0.59 | −1.57 ± 0.48 | −0.83 ± 0.30 |
| 080604 | – | 0.38 ± 0.21 | 0.38 ± 0.21 | – |
| 080605 | – | 0.54 ± 0.45 | 0.61 ± 0.36 | 1.11 ± 0.24 |
| 080607 | 22.70 ± 0.15 | 0.88 ± 0.47 | 0.80 ± 0.30 | 1.06 ± 0.38 |
| 080707 | – | 0.49 ± 0.28 | 0.49 ± 0.28 | – |
| 080710 | – | −1.33 ± 0.70 | −1.33 ± 0.70 | – |
| 080721 | 21.60 ± 0.10 | 0.41 ± 0.31 | 0.52 ± 0.24 | 0.52 ± 0.22 |
| 080810 | – | −0.19 ± 0.19 | −0.79 ± 0.17 | 0.40 ± 0.09 |
| 080905B | – | −0.02 ± 0.32 | −0.06 ± 0.25 | −0.51 ± 0.11 |
| 080913 | – | <− 0.42 | <− 0.42 | – |
| 080916A | – | 0.38 ± 0.08 | 0.38 ± 0.08 | – |
| 080928 | – | −0.88 ± 0.62 | −0.98 ± 0.62 | −0.16 ± 0.03 |
| 081007 | – | <3.43 | <3.43 | – |
| 081008 | 21.59 ± 0.10 | −0.59 ± 0.40 | −0.30 ± 0.15 | −0.83 ± 0.31 |
| 090102 | – | 0.75 ± 0.49 | 0.87 ± 0.50 | 0.56 ± 0.12 |
| 090516 | 21.73 ± 0.10 | 1.31 ± 0.64 | 1.25 ± 0.44 | 1.21 ± 0.43 |
| 090519 | – | <− 0.55 | <0.50 | <− 0.55 |
| 090529 | – | 0.07 ± 0.17 | 0.61 ± 0.13 | –0.47 ± 0.10 |
| 090812 | 22.30 ± 0.10 | −0.14 ± 0.35 | −0.07 ± 0.21 | −0.65 ± 0.26 |
| 090814A | – | 0.81 ± 0.34 | 0.81 ± 0.34 | – |
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