Free Access
Table 2
Absorption line column densities for the two components of the main system.
| Species | Observed transitions | I (0 km s-1) | II ( −48 km s-1) |
|
|
|||
H i  |
Lyα, Lyβ | 21.60 ± 0.07 | – |
C ii  |
λ1036, λ1334 | 14.48 ± 0.04 | 14.04 ± 0.04 |
C ii  |
λ1037, λ1335 | >14.45 ± 0.04 | 14.01 ± 0.05 |
| C iv |
λ1548, λ1550 | 14.43 ± 0.02 | 13.89 ± 0.03 |
| N v |
λ1238, λ1242 | 14.08 ± 0.03 | 13.66 ± 0.07 |
O i  |
λ1039, λ1302 | >14.75 ± 0.03 | <13.8 |
O i  |
λ1304 | 14.49 ± 0.03 | <13.7 |
O i  |
λ1306 | 14.37 ± 0.04 | <13.7 |
| O vi |
λ1031, λ1037 | >14.60 ± 0.16 | Blend |
Mg i  |
λ2852 | 12.74 ± 0.01 | 11.98 ± 0.05 |
| Mg ii |
λ1239, λ1240 | >14.05 ± 0.01 | 13.05 ± 0.02 |
| λ2796, λ2803 | |||
| Al ii |
λ1670 | 13.20 ± 0.03 | 12.66 ± 0.04 |
| Al iii |
λ1854, λ1862 | 13.24 ± 0.03 | <12.3 |
| Si ii |
λ1020, λ1190 | 14.41 ± 0.03 | 13.98 ± 0.07 |
| λ1193, λ1260 | |||
| λ1304, λ1526 | |||
| λ1808 | |||
| Si ii |
λ1194, λ1197 | 13.96 ± 0.03 | 13.42 ± 0.09 |
| λ1264, λ1309 | |||
| λ1533, λ1309 | |||
Si iii  |
λ1206 | 13.50 ± 0.11 | Blend |
| Si iv |
λ1393, λ1402 | 13.97 ± 0.03 | 13.61 ± 0.04 |
S ii  |
λ1250, λ1253 | 14.89 ± 0.06 | <14.3 |
| λ1259 | |||
| S iv |
λ1062, λ1253 | 14.45 ± 0.19 | <14.2 |
| Ca i |
λ4227 | 12.15 ± 0.07 | <11.9 |
| Ca ii |
λ3969 | 13.21 ± 0.03 | <12.8 |
| Mn ii a7S3 | λ2576 | <12.3 | <12.3 |
| Fe ii a6D9/2 | λ1081, λ1096 | 14.03 ± 0.03 | 13.46 ± 0.04 |
| λ1144, λ2344 | |||
| λ2348, λ2374 | |||
| λ2382, λ2586 | |||
| λ2600 | |||
| Fe ii a6D7/2 | λ2333, λ2396 | 12.52 ± 0.08 | <12.2 |
| λ2612, λ2626 | |||
| Fe ii a4F9/2 | λ1559, λ2332 | <13.6 | <13.6 |
Fe iii  |
λ1122 | 14.54 ± 0.07 | 14.38 ± 0.10 |
Ni ii  |
λ1317, λ1370 | 13.51 ± 0.06 | 13.09 ± 0.30 |
| λ1454, λ1703 | |||
| λ1709, λ1741 | |||
| λ1751 | |||
Ni ii  |
λ2166, λ2217 | 13.54 ± 0.02 | 12.47 ± 0.36 |
| λ2316 | |||
Notes. All values of the column densities are logarithmic (in cm-2). Reported lower limits comes from possible line saturation.
Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.
Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.
Initial download of the metrics may take a while.