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Table 7
HCN J = 1−0 HFS line intensity ratios, W(HCN J = 2−1)/W(HCN J =1−0) and W(HCN J = 3−2)/W(HCN J =1−0) line intensity ratios, and parameters derived from rotational population diagrams, computed in Appendix E, toward a sample of representative cloud positions.
Pos. | HCN J = 1−0 | Excited HCN | Rotational diagrams | |||||||
---|---|---|---|---|---|---|---|---|---|---|
R02 | R12 | ![]() |
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Nthin 1013 (cm−2) | ![]() |
Nτ,corr 1013 (cm−2) | |
#1 | 0.3 | 0.4 | 1.1 | 1.1 | 0.9 ± 0.4 | 1.2 ± 0.5 | 18±5 | 5±3 | 38±10 | 86 ± 20 |
#2 | 0.2 | 0.7 | 1.2 | 1.9 | 1.0 ± 0.4 | 0.7 ± 0.3 | 11 ±2 | 0.8 ± 0.3 | 10±1 | 1.5 ± 0.3 |
#3 | 0.3 | 0.4 | 0.9 | 1.1 | 1.0 ± 0.4 | 0.5 ± 0.2 | 10±1 | 0.9 ± 0.4 | 7±1 | |
#4 | 0.6 | 0.5 | 1.0 | 1.0 | 0.7 ± 0.3 | 0.2 ± 0.1 | 9±2 | 0.2 ± 0.1 | 7±1 | 0.5 ± 0.3 |
HH PDR | 0.3 | 0.5 | 0.7 | 0.9 | 0.5 ± 0.2 | 0.13 ± 0.04 | 8±1 | 0.5 ± 0.3 | 5±1 | 1.6±1.4 |
#6 | 0.2 | 0.6 | 0.8 | 0.9 | 0.6 ± 0.2 | 0.4 ± 0.2 | 7±1 | 1.1 ± 0.7 | ||
#7 | 0.3 | 0.5 | 0.8 | 1.0 | 0.8 ± 0.3 | 0.3 ± 0.1 | 6.6 ± 0.8 | 0.8 ± 0.3 | 5.2 ± 0.3 | 2.4 ± 0.4 |
#8 | 0.5 | 0.6 | 0.8 | 1.0 | 0.7 ± 0.3 | 0.3 ± 0.1 | 6.1 ± 0.6 | 0.5 ± 0.1 | 4.2 ± 0.2 | 3.0 ± 0.7 |
HH Core | 0.3 | 0.5 | 0.7 | 1.0 | 0.5 ± 0.2 | 0.16 ± 0.08 | 5.3 ± 0.7 | 0.7 ± 0.4 | 4.3 ± 0.5 | 2.2 ± 1.1 |
#10 | 0.2 | 0.5 | 0.7 | 1.1 | 0.4 ± 0.2 | 0.12 ± 0.04 | 5.0 ± 0.9 | 0.4 ± 0.2 | ||
#11 | 0.3 | 0.6 | 0.8 | 1.0 | 0.4 ± 0.2 | 0.10 ± 0.04 | 6.8 ± 0.9 | 0.5 ± 0.3 | ||
#12 | 0.4 | 0.5 | 0.8 | 0.8 | 0.3 ± 0.1 | 0.10 ± 0.04 | 4.7 ± 0.9 | 0.7 ± 0.5 | ||
#13 | 0.2 | 0.6 | 1.0 | 1.1 | 0.3 ± 0.1 | 0.09 ± 0.04 | 4.7 ± 0.8 | 0.4 ± 0.2 | ||
#14 | 0.4 | 0.5 | 1.0 | 1.1 | 0.3 ± 0.1 | 0.06 ± 0.02 | 4.4 ± 0.5 | 0.4 ± 0.2 |
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