Open Access
Table B.3
Final abundances (after 106 years relative to H2) of metallic species in dark clouds, exhibiting either abundances greater than 10−12 or targeted upper limits available.
| Species | This work | UMIST 22 | Comments |
|---|---|---|---|
| SiNH2+ | 1.38E-12 | 1.06E-12 | |
| SiOH+ | 2.91E-11 | 3.10E-11 | |
| SiO | 3.65E-09 | 3.92E-09 | (Ziurys et al. 1989, TMC-1, < 2.4 × 10−12) |
| SiS | 2.64E-12 | 3.26E-12 | (Ziurys 1991, TMC-1. < 5.9 × 10−11) |
| SiH3 | 5.44E-11 | 5.78E-11 | |
| SiH4 | 4.83E-10 | 5.15E-10 | |
| HCSi | 6.33E-12 | 6.66E-12 | |
| SiN | 5.58E-11 | 4.34E-11 | |
| SiCH2 | 1.09E-11 | 1.17E-11 | |
| HNSi | 8.49E-10 | 6.95E-10 | |
| SiO2 | 9.04E-12 | 9.69E-12 | |
| NaH | 4.99E-13 | 9.16E-12 | |
| MgH | 2.84E-12 | 4.34E-12 | |
| MgH2 | 9.39E-12 | 2.45E-11 | |
| MgC8H | 1.01E-12 | 1.13E-12 | |
| AlO | 2.07E-12 | 4.10E-11 | |
| MgNC | 5.09E-15 | 8.68E-13 | TMC-1 (Turner et al. 2005, < 1.2 × 10−11) |
| AlF | 1.40E-13 | 2.67E-10 | |
| FeH | 1.39E-12 | 1.01E-11 |
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