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Table 3.
Properties of the three systems in our sample presenting the largest [C/O] and [Si/O] abundance ratios.
| QSO | zabs | vabs (km s−1) | log NH I | [C/O] | [Si/O] | log(NC II/NC IV) | log(NSi II/NSi IV) |
|---|---|---|---|---|---|---|---|
| PSO J025−11 ( * ) | 5.7763 | 2866 | 20.35 ± 0.1 | 0.53 ± 0.05 | 0.67 ± 0.05 | 0.09 ± 0.05 | −0.10 ± 0.08 |
| SDSS J0100+2802 | 5.9450 | 16 029 | > 18.45 | 0.39 ± 0.04 | 0.51 ± 0.08 | 0.68 ± 0.09 | 0.18 ± 0.11 |
| PSO J065−26 ( * ) | 6.1263 | 2543 | > 19.45 | > 0.66 | > 0.71 | > 1.41 | 0.71 ± 0.04 |
Notes.( * ) These systems are PDLAs.
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