Open Access
Table F.1
Ice column densities corresponding to the best fit of the IRAS 18089 spectrum.
| Species | Name | N (1017 cm-2) |
|---|---|---|
| H2O | water | 282.3 ± 70.5 |
| CH4 | methane | 5.3 ± 1.3 |
| SO2 | sulfur dioxide | 0.3 ± 0.1 |
| OCN- | cyanate ion | 5.3 ± 1.5 |
| NH4+ | ammonium ion | 33.0 ± 4.0 |
| HCOO- | formate ion | 1.1 ± 0.3 |
| H2CO | formaldehyde | 28.2 ± 7.1 |
| CH3OH | methanol | 50.4 ± 12.7 |
| HCOOH | formic acid | 2.9 ± 0.7 |
| CH3CHO | acetaldehyde | 1.9 ± 0.5 |
| CH3CH2OH | ethanol | 4.2 ± 1.1 |
| CH3OCHO | methyl formate | 0.9 ± 0.2 |
| CH3COOH | acetic acid | <2 |
| CH3OCH3 | dimethyl ether | 2.8 ± 0.7 |
| CH3COCH3 | acetone | 0.7 ± 0.2 |
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