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Table 7.
Main parameters of the undetected vibrational transitions of HCN and HC3N.
| Line | Freq | Elow | Aul | ncrit | Flux | Line Peak | L′ |
|---|---|---|---|---|---|---|---|
| (GHz) | (K) | ( × 10−3s−1) | (cm−3) | (K km s−1) | (mJy) | (K km s−1 pc2) | |
| HC3N (10 − 9) v6 = 1 | 91.202 | 512 | 0.15 | > 1011 | ≤1.1 | ≤0.3 | ≤6.4 × 106 |
| HCN (3 − 2) v2 = 1 | 267.199 | 720 | 0.73 | > 1010 | ≤3.7 | ≤1.1 | ≤7.3 × 105 |
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