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Table 3
Derived quantities from OH 1665/1667 MHz and H I absorption and 13CO(1–0) emission.
| Name | vOH | NOH 1665 ∕Tex | NOH 1667 ∕Tex |  |
 |
 |
NH I | Notes | XOH(NH) |  |
|---|---|---|---|---|---|---|---|---|---|---|
| [km s−1] | [× 1014 cm−2 K−1] | [× 1014 cm−2 K−1] | km s−1 | [× 1016 cm−2] | [× 1021 cm−2] | [× 1021 cm−2] | [× 10−7] | [× 10−7] | ||
| G14.490+0.021 | 23.1 | <5.4 ± 2.4a | – | – | – | – | >1.3 | 2(OH) | – | – |
| G14.996−0.738 | 21.8 | 1.5 ± 0.4 | – | – | – | – | >6.3 | 1 | – | – |
| G15.033−0.679 | 12.9 | 0.8 ± 0.2 | – | – | – | – | >4.6 | 1 | – | – |
| G18.148−0.283 | 56.4 | 3.2 ± 0.4 | – | 55.5 | 4.2 | 16.1 | >3.0 | 1665 | >0.5 | 1.0 |
| G18.303−0.390 | 27.2 | –b | – | – | – | – | – | 3(OH) | – | – |
| 32.2 | 1.9 ± 0.2 | – | 33.0 | 4.5 | 17.1 | >2.5 | 1665 | >0.3 | 0.6 | |
| 36.2 | –b | – | – | – | – | – | 3(OH) | – | – | |
| G19.075−0.288 | 64.6 | 5.4 ± 0.9 | – | 65.1 | 7.2 | 27.4 | >4.1 | 1665 | >0.5 | 1.0 |
| G21.347−0.629 | 56.1 | 1.9 ± 0.3 | – | 56.2 | 2.8 | 10.7 | >3.3 | 4(CO) | – | – |
| G21.874+0.007 | 21.8 | 4.0 ± 0.6 | – | 22.3 | 3.9 | 14.9 | >3.5 | 1665 | >0.6 | 1.3 |
| G23.956+0.150 | 80.0 | 1.5 ± 0.3 | – | 79.6 | 5.0 | 19.1 | >3.5 | 1665 | >0.2 | 0.4 |
| G25.396+0.033 | −12.1 | 3.2 ± 0.6 | – | – | – | – | >1.3 | 1 | – | – |
| G25.397−0.141 | 67.1 | 1.0 ± 0.1 | – | 66.5 | 1.3 | 5.0 | >5.1 | 1665 | >0.3 | 1.0 |
| 94.5 | 3.9 ± 0.3 | – | 96.3 | 7.7 | 29.4 | >4.2 | 1665 | >0.3 | 0.7 | |
| G26.609−0.212 | −33.2 | 3.1 ± 1.3 | – | – | – | – | >1.5 | 1 | – | – |
| G27.563+0.084 | 86.0 | 7.2 ± 2.3 | – | 85.8 | 3.9 | 14.6 | >2.0 | 1665 | >1.2 | 2.5 |
| G28.806+0.174 | 79.8 | 1.5 ± 0.3 | – | 80.6 | 1.4 | 5.3 | >2.8 | 1665 | >0.6 | 1.5 |
| 103.5 | 1.5 ± 0.6 | – | 104.8 | 5.4 | 20.4 | >2.5 | 4(CO) | – | – | |
| G29.935−0.053 | 7.0 | <0.6 ± 0.2 | 0.2 ± 0.1 | – | <0.3 | <1.1 | >1.6 | 1667 | >0.4 | 1.5 |
| 50.6 | <0.6 ± 0.2 | 0.3 ± 0.1 | 49.9 | 1.1 | 4.1 | >2.3 | 1667 | >0.2 | 0.5 | |
| 68.0 | <0.6 ± 0.2 | 0.4 ± 0.2 | 68.1 | 0.5 | 2.1 | >4.2 | 1667 | >0.3 | 1.4 | |
| 98.9 | 1.9 ± 0.5 | 1.4 ± 0.3 | 99.4 | 12.3 | 46.8 | >4.9 | 1667 | >0.1 | 0.2 | |
| G29.957−0.018 | 8.0 | 0.3 ± 0.1 | 0.4 ± 0.1 | 7.4 | 0.2 | 0.8 | >2.2 | 1667 | >0.7 | 3.3 |
| 99.8 | –c | 0.4 ± 0.1 | 98.0 | 13.1 | 49.9 | >4.5 | 4(CO) | – | – | |
| G30.535+0.021 | 43.7 | –c | –b | – | – | – | – | 2(OH) | – | – |
| 49.4 | 1.1 ± 0.5 | 1.3 ± 0.4 | 47.7 | 5.5 | 20.8 | >4.0 | 2(OH) | – | – | |
| 91.6 | 2.7 ± 0.5 | 1.7 ± 0.4 | 91.9 | 2.8 | 10.8 | >3.3 | 1667 | >0.4 | 1.0 | |
| G30.720−0.083 | 93.6 | –c | –c | 94.0 | 9.5 | 36.1 | >4.4 | 7 | – | – |
| G30.783−0.028 | 77.9 | – | –b | – | – | – | – | 3(OH) | – | – |
| 81.9 | 0.8 ± 0.1 | 0.9 ± 0.2 | 81.9 | 1.6 | 6.0 | >3.4 | 1667 | >0.4 | 1.0 | |
| 87.1 | –b | – | – | – | – | – | 3(OH) | – | – | |
| 92.1 | 1.5 ± 0.3 | 1.2 ± 0.2 | 93.3 | 9.1 | 34.7 | >7.2 | 1667 | >0.1 | 0.2 | |
| 98.6 | –b | –b | 104.9 | – | – | 3(OH) | – | – | ||
| G30.854+0.151 | 95.4 | 5.4 ± 0.9 | 4.5 ± 0.8 | 95.5 | 3.6 | 13.7 | >1.3 | 1667 | >1.1 | 2.2 |
| G31.242−0.110 | 19.6 | –c | 1.9 ± 0.3 | 20.8 | 1.6 | 6.1 | >2.5 | 1667 | >0.8 | 2.0 |
| 79.2 | 2.3 ± 0.4 | 1.4 ± 0.3 | 78.8 | 1.6 | 6.2 | >2.1 | 1667 | >0.7 | 1.6 | |
| 83.7 | <1.1 ± 0.3 | 0.7 ± 0.3 | 84.0 | 0.7 | 2.6 | >1.3 | 1667 | >0.7 | 1.7 | |
| G31.388−0.383 | 18.1 | 0.7 ± 0.2 | 0.5 ± 0.1 | – | <0.2 | <0.9 | >3.2 | 1667 | >0.6 | 3.5 |
| G32.151+0.132 | 93.8 | 4.8 ± 0.6 | – | 94.4 | 4.3 | 16.5 | >2.4 | 1665 | >0.7 | 1.5 |
| G32.272−0.226 | 22.6 | 3.6 ± 0.6 | – | 22.4 | 0.9 | 3.3 | >2.1 | 1665 | >2.1 | 5.5 |
| G32.798+0.190 | 12.8 | 5.8 ± 0.3 | – | 15.1 | 6.7 | 25.3 | >8.1 | 1665 | >0.5 | 1.1 |
| G32.928+0.607 | −33.9 | 2.5 ± 1.1a | – | – | – | – | >2.8 | 1 | – | – |
| G33.915+0.110 | 95.3 | 0.6 ± 0.2a | – | – | <0.3 | <1.1 | >0.6 | 2(OH) | – | – |
| 101.5 | 1.1 ± 0.2a | – | – | <0.3 | <1.1 | >1.5 | 2(OH) | – | – | |
| 106.3 | 1.9 ± 0.3 | – | 107.5 | 4.2 | 15.9 | >1.9 | 1665 | >0.3 | 0.6 | |
| G34.132+0.471 | 33.8 | 2.4 ± 0.5 | – | 35.1 | 1.5 | 5.8 | >3.4 | 1665 | >0.8 | 2.0 |
| G35.467+0.139 | 77.0 | 3.4 ± 0.8 | – | 77.4 | 3.9 | 14.6 | >1.3 | 1665 | >0.6 | 1.2 |
| G37.764−0.215 | 63.4 | 6.6 ± 0.9 | – | 61.5 | 4.6 | 17.3 | >5.7 | 1665 | >0.8 | 1.9 |
| G37.874−0.399 | 61.0 | 7.6 ± 0.9 | – | 61.4 | 4.2 | 15.9 | >8.8 | 1665 | >0.9 | 2.4 |
| G38.876+0.308 | −16.3 | 4.1 ± 0.7 | 4.0 ± 0.6 | – | – | – | >1.7 | 1 | – | – |
| G39.565−0.040 | 23.2 | 2.6 ± 0.4 | 2.2 ± 0.3 | 23.4 | 0.6 | 2.3 | >3.6 | 1667 | >1.8 | 6.4 |
| G39.883−0.346 | 56.9 | 4.9 ± 1.0 | 3.4 ± 0.7 | 58.7 | 3.0 | 11.3 | >2.9 | 1667 | >0.9 | 2.0 |
| G41.741+0.097 | 14.2 | 1.9 ± 0.7 | 1.2 ± 0.3 | 13.4 | 0.7 | 2.8 | >1.2 | 1667 | >1.1 | 2.8 |
| G42.027−0.604 | 65.1 | <1.3 ± 0.4 | 1.3 ± 0.3 | 65.5 | 1.6 | 6.1 | >3.1 | 1667 | >0.6 | 1.5 |
| G45.454+0.060 | 56.0 | – | –b | – | – | – | – | 3(OH) | – | – |
| 59.4 | –c | 1.9 ± 0.2 | 58.9 | 5.9 | 22.2 | >5.5 | 1667 | >0.2 | 0.6 | |
| 64.9 | – | –c | – | – | – | – | 3(OH) | – | – | |
| G49.206−0.342 | 65.3 | 7.2 ± 1.4 | – | 65.7 | 3.7 | 14.0 | >6.9 | 1665 | >1.0 | 2.6 |
| G49.369−0.302 | 50.9 | 5.0 ± 0.7 | – | 51.1 | 7.9 | 30.0 | >6.2 | 1665 | >0.4 | 0.8 |
| 62.9 | 2.5 ± 0.4 | – | 61.1 | 3.1 | 11.8 | >5.4 | 1665 | >0.4 | 1.1 | |
| G49.459−0.353 | 62.0 | 2.7 ± 0.6 | – | 61.1 | 4.4 | 16.8 | >5.5 | 1665 | >0.3 | 0.8 |
| 68.6 | 4.0 ± 0.9 | – | 68.6 | 5.2 | 19.8 | >3.9 | 1665 | >0.5 | 1.0 | |
| G49.488−0.380 | 65.9 | 1.9 ± 0.4 | – | 67.8 | 5.8 | 22.0 | >4.7 | 4 | – | – |
| G52.753+0.334 | 12.1 | <1.4± 0.4a | 0.7 ± 0.3 | – | 0.9 | 3.5 | >2.1 | 7 | – | – |
| 45.2 | <1.3± 0.3a | 0.8 ± 0.2 | 44.5 | 0.7 | 2.5 | >1.4 | 1667 | >0.8 | 2.1 | |
| G60.882−0.132 | 22.3 | 2.8 ± 0.7 | 3.0 ± 0.5 | 22.4 | 7.2 | 27.5 | >2.1 | 1667 | >0.4 | 0.7 |
| G61.475+0.092 | 5.9 | <0.12 ±0.03 | 0.1 ± 0.03a | 6.6 | 0.03 | 0.12 | >1.6 | 2(OH) | – | – |
| 21.1 | 4.9 ± 0.2 | 3.7 ± 0.2 | 21.6 | 7.3 | 27.8 | >4.0 | 1667 | >0.4 | 0.9 |
Notes. NOH 1665 MHz∕Tex, NOH 1667 MHz∕Tex and NH I are determined from the integrated optical depth (Table 2; see text for the conversions used). The velocity in Col. 2 is the mean of the center velocities of the OH 1665 MHz and OH 1667 MHz absorption. The column density of molecular hydrogen,
, is derived from 13CO emission (for assumptions and conversions see text). XOH(NH) is defined as NOH /NH, with 
, while
is the ratio NOH /
. Notes and footnotes are as in Table 2.
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