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Table 4
[C ii] Excitation temperatures deduced from the emission in the OFF spectra.
| Source | V LSR | T peak | Width | Area | τ | T ex |
| ( km s-1) | ( K) | ( km s-1) | ( K km s-1) | ( K) | ||
|
|
||||||
| W28A | [15;25] | 0.53 ± 0.2 | 2 ± 0.6 | 1.1 ± 0.4 | 0.7 ± 0.10 | 20.8 ± 1.4 |
| W31C | [15;30] | 0.56 ± 0.1 | 11 ± 4 | 6.7 ± 3 | 1.3 ± 0.06 | 19.5 ± 1.7 |
| [30;50] | 0.63 ± 0.1 | 14 ± 4 | 9.6 ± 3 | 1.4 ± 0.06 | 19.8 ± 1.0 | |
| G34.3+0.15 | [10;20] | 0.43 ± 0.1 | 1.2 ± 0.5 | 0.54 ± 0.2 | 0.65 ± 0.06 | 20.0 ± 0.9 |
| [20;40] | 0.56 ± 0.1 | 6.6 ± 1.2 | 3.9 ± 0.7 | 0.83 ± 0.06 | 20.4 ± 0.5 | |
| W49N | [10;50] | 0.53 ± 0.2 | 3.0 ± 0.9 | 1.6 ± 0.5 | 0.4 ± 0.1 | 22.6 ± 0.5 |
| [50;70] | 0.63 ± 0.1 | 17 ± 3.8 | 11.3 ± 1.7 | 1.3 ± 0.06 | 19.8 ± 1.6 | |
| W51 | [1:10] | 0.33 ± 0.15 | 12.2 ± 2.4 | 4.3 ± 0.8 | 0.58 ± 0.06 | 19.3 ± 0.2 |
| [16:35] | 0.35 ± 0.15 | 1.9 ± 0.6 | 0.71 ± 0.3 | 0.34 ± 0.06 | 21.4 ± 2.0 | |
| DR21(OH) | [5;25] | 0.70 ± 0.3 | 20.3 ± 2.4 | 14.6 ± 1.5 | 1.5 ± 0.09 | 19.9 ± 1.0 |
| W3-IRS5 | [–25;–15] | 0.71 ± 0.36 | 4.7 ± 1.9 | 3.6 ± 1.7 | 0.56 ± 0.09 | 23.1 ± 1.6 |
| [–15;15] | 1.1 ± 0.4 | 18.2 ± 3 | 21.2 ± 3 | 0.11 ± 0.09 | 41 ± 3.0 | |
Notes. The optical depths are determined from the ON and OFF difference spectra with assumption of uniform foreground gas; see text.
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