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Table 6.
Abundance ratios of interstellar OCSice vs. COice.
| Environment | Abundance (%) |
|---|---|
| W33A | 5 |
| AFGL 989 | 0.8 |
| Mon R2 IRS2 | 0.65 |
| AFGL 961E | <1 |
| AFGL 490 | <2.6 |
| NGC 2024 IRS 2 | <0.8 |
| OMC 2 IRS 3 | <1.6 |
| Elias 16 | <0.8 |
| n = 104 cm−3 | 0.7 |
| t = 2 Myr | |
| n = 105 cm−3 | 4 |
| t = 0.3 Myr | |
| n = 106 cm−3 | 5 |
| t = 0.03 Myr | |
Notes. Observed values are in terms of percentage with respect to COice, and are taken from Table 2 of Palumbo et al. (1997).
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