Table 4
Iceand gas abundances relative to H2 towards the B35A sources.
| Object |  |
 |
 |
 |
 |
|---|---|---|---|---|---|
| [10−5] | [10−5] | [10−5] | [10−4] | [10−8] | |
| B35A−2 | 4.10 ± 0.18 | 0.47 ± 0.04 | 0.36 ± 0.04 | 2.97 ± 0.63 | ... |
| B35A−3 | 3.99 ± 0.16 | 0.43 ± 0.04 | 0.21 ± 0.04 | 2.31 ± 0.49 | ... |
| B35A−4 | 4.93 ± 0.52 | 0.41 ± 0.50 | 0.15 ± 0.09 | 7.13 ± 1.50 | ... |
| B35A−5 | 2.93 ± 0.50 | <0.68 | <0.68 | 3.63 ± 0.76 | 1.75 ± 0.24 |
Notes. The column densities employed in the determination of the ice and gas abundances of H2O, CO, and CH3OH are listed inTable 3. The abundances of the gaseous species are obtained using
, whereas the abundances of the ice species are relative to 
(Table 3). Ellipses mark the non-detections of gas-phase CH3OH.
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