Open Access
Table 2
Gas- and solid-phase abundances of the main elements that contribute to the dust composition for systems in different environments and for different intervals of [Zn/Fe].
| Element X | [X/H]gas (ppm) | [X/H]dust (ppm) | Interval [Zn/Fe] | ||||
|---|---|---|---|---|---|---|---|
| QSO-DLAs | GRB-DLAs | Milky Way | LMC | SMC | |||
| O | 490 | 35 | 27 | … | … | … | [Zn/Fe] < 0.3 |
| 102 | 118 | 154 | 126 | 125 | 0.3 ≤ [Zn/Fe] ≤ 0.9 | ||
| 186 | 178 | 181 | 172 | 168 | 0.9 < [Zn/Fe] < 1.2 | ||
| Fe | 29 | 10 | 27 | … | … | … | [Zn/Fe] < 0.3 |
| 23 | 23 | 26 | 25 | 25 | 0.3 ≤ [Zn/Fe] ≤ 0.9 | ||
| 27 | 27 | 27 | 27 | 27 | 0.9 < [Zn/Fe] < 1.2 | ||
| Si | 32 | 13 | 8 | … | … | … | [Zn/Fe] < 0.3 |
| 14 | 20 | 25 | 25 | 22 | 0.3 ≤ [Zn/Fe] ≤ 0.9 | ||
| 21 | 25 | 27 | 26 | 27 | 0.9 < [Zn/Fe] < 1.2 | ||
| Mg | 35 | 7 | 5 | … | … | … | [Zn/Fe] < 0.3 |
| 18 | 20 | 27 | 24 | 20 | 0.3 ≤ [Zn/Fe] ≤ 0.9 | ||
| 24 | 27 | 28 | 22 | 26 | 0.9 < [Zn/Fe] < 1.2 | ||
| C | 288 | 10 | 8 | … | … | … | [Zn/Fe] < 0.3 |
| 34 | 37 | 48 | 43 | 40 | 0.3 ≤ [Zn/Fe] ≤ 0.9 | ||
| 56 | 33 | 81 | 48 | 54 | 0.9 < [Zn/Fe] < 1.2 | ||
| S | 14 | 3 | 2 | … | … | … | [Zn/Fe] < 0.3 |
| 5 | 6 | 8 | 6 | 5 | 0.3 ≤ [Zn/Fe] ≤ 0.9 | ||
| 7 | 10 | 8 | 8 | 9 | 0.9 < [Zn/Fe] < 1.2 | ||
| Ni | 2 | 1 | 0.3 | … | … | … | [Zn/Fe] < 0.3 |
| 1 | 1 | 1 | 1 | 1 | 0.3 ≤ [Zn/Fe] ≤ 0.9 | ||
| 1 | 1 | 2 | 1 | 1 | 0.9 < [Zn/Fe] < 1.2 | ||
| Al | 3 | 1 | 1 | … | … | … | [Zn/Fe] < 0.3 |
| 2 | 2 | 3 | 3 | 2 | 0.3 ≤ [Zn/Fe] ≤ 0.9 | ||
| 3 | 3 | 3 | 2 | 3 | 0.9 < [Zn/Fe] < 1.2 | ||
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