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Table 3.
Hydrogen column densities for the 41 bursts exhibiting Lyα absorption in the spectral coverage of X-shooter.
| GRB | Hydrogen column |
|---|---|
| log(NHI/cm−2) | |
| GRB 090809Ac | 21.7 ± 0.2 |
| GRB 090926A | 21.55 ± 0.10 |
| GRB 100219Ac | 21.2 ± 0.2 |
| GRB 100425Ac | 21.0 ± 0.2 |
| GRB 100728B | 21.2 ± 0.5 |
| GRB 110128A | 21.90 ± 0.15 |
| GRB 110818A | 21.9 ± 0.4 |
| GRB 111008Ac | 22.40 ± 0.10 |
| GRB 111107Ac | 21.0 ± 0.2 |
| GRB 120119A | 22.6 ± 0.2 |
| GRB 120327Ac | 22.00 ± 0.05 |
| GRB 120404A | 20.7 ± 0.3 |
| GRB 120712A | 19.95 ± 0.15 |
| GRB 120716Ac | 21.80 ± 0.15 |
| GRB 120815Ac | 22.10 ± 0.10 |
| GRB 120909Ac | 21.75 ± 0.10 |
| GRB 121024Ac | 21.85 ± 0.10 |
| GRB 121027A | 22.8 ± 0.3 |
| GRB 121201Aa,c | 22.0 ± 0.3 |
| GRB 121229A | 21.8 ± 0.2 |
| GRB 130408Ac | 21.80 ± 0.10 |
| GRB 130427B | 21.9 ± 0.3 |
| GRB 130606A | 19.91 ± 0.05 |
| GRB 130612A | 22.1 ± 0.2 |
| GRB 131011A | 22.0 ± 0.3 |
| GRB 131117A | 20.0 ± 0.3 |
| GRB 140311A | 22.40 ± 0.15 |
| GRB 140430A | 21.8 ± 0.3 |
| GRB 140515A | 19.0 ± 0.5 |
| GRB 140614A | 21.6 ± 0.3 |
| GRB 141028A | 20.60 ± 0.15 |
| GRB 141109A | 22.10 ± 0.10 |
| GRB 150206A | 21.7 ± 0.4 |
| GRB 150403A | 21.8 ± 0.2 |
| GRB 150915Aa | 21.2 ± 0.3 |
| GRB 151021Aa | 22.3 ± 0.2 |
| GRB 151027B | 20.5 ± 0.2 |
| GRB 160203A | 21.75 ± 0.10 |
| GRB 160410Ab | 21.2 ± 0.2 |
| GRB 161014A | 21.4 ± 0.3 |
| GRB 161023A | 20.96 ± 0.05 |
| GRB 170202Aa | 21.55 ± 0.10 |
Notes. The corresponding measurements are shown in Fig. A.1.
(c)
Previously published in Cucchiara et al. (2015).
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