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Table 3
Beam-averaged column densities and abundances.
| Source | N(H2O) | N(H2O+) | H2O/H2O+ | N(OH+) | OH+/H2O+ | x(H2O) |
| 1014 cm-2 | 1014 cm-2 | 1014 cm-2 | 10-9 | |||
|
|
||||||
| NGC 4945 (n) | 6.6 | 1.2 | 5.6 | 2.2 | 1.8 | 6.6 |
| NGC 4945 (b) | 6.6 | 1.6 | 4.2 | 3.2 | 2.0 | 6.6 |
| NGC 253 (a) | 14 | 2.7 | 5.2 | 8.4 | 3.1 | 9.3 |
| NGC 253 (e) | 8.8 | 1.6 | 5.5 | 0.9 | 0.5 | 5.9 |
| Arp 220 | 18 | 4.5 | 4.0 | 7.4 | 1.6 | 1.8 |
| M 82c | 0.56 | 0.21 | 2.6 | ... | ... | 0.62 |
| M 82SW | 0.66 | 0.13 | 5.3 | ... | ... | ... |
| M 82NE | 2.5 | 0.38 | 6.7 | ... | ... | ... |
| Cen A (a) | 0.19 | 0.14 | 1.4 | ... | ... | 1.1 |
| Cen A (e) | 0.18 | 0.043 | 4.2 | ... | ... | 1.1 |
Notes. Uncertainties on column densities range from 10−15% for absorption components (limited by calibration) to factors of 5−10 for emission components (through Tex).
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