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Table 7
Derivation of physical properties of detected molecules in CIT 6 derived from this survey.
| No | Molecule | Significance | # lines | Tex(K) | Ntot(CIT) | Ntot (IRC) | Ntot(CIT)/Ntot(IRC) | Comments |
|---|---|---|---|---|---|---|---|---|
| 1 | HC3N | Strong (>5σ) | 2 | 25 | 4.08 × 1014 | 1.77 × 1015 | 0.23 | − |
| 2 | H13 CCCN | Moderate (>3σ) | 1 | 25 | 1.37 × 1013 | 9.81 × 1013 | 0.14 | − |
| 3 | HC13 CCN | Moderate (>3σ) | 1 | 25 | 2.08 × 1013 | 8.95 × 1013 | 0.23 | − |
| 4 | HC5N | Very strong (>10σ) | 7 | 25 | 1.63 × 1014 | 8.80 × 1014 | 0.19 | Profiles differ from horn-shaped IRC lines |
| 5 | HC7N | Strong (>5σ) | 17 | 25 | 1.39 × 1015 | 8.24 × 1015 | 0.17 | − |
| 6 | C6H | Moderate (∼ 4−5σ) | 1 | 25 | 1.57 × 1014 | 3.92 × 1014 | 0.40 | First detection in CIT 6 |
| 7 | C3N | Strong | 1 | 25 | 6.44 × 1013 | 7.13 × 1014 | 0.09 | − |
| 8 | SiO | Strong (>5σ) | 1 | 25 | 3.58 × 1012 | 1.71 × 1013 | 0.21 | Similar to IRC profile shape |
| 9 | 29 SiO | Weak (∼2σ) | 1 | 25 | 3.91 × 1013 | 3.16 × 1014 | 0.12 | Marginal detection |
| 10 | SiS | Weak (∼2σ) | 1 | 25 | 2.18 × 1013 | 4.32 × 1014 | 0.05 | Detected only in smoothed spectra |
| 11 | SiC2 | Strong (>5σ) | 1 | 25 | 6.36 × 1013 | 5.27 × 1014 | 0.12 | First detection in Q band in CIT 6 |
| 12 | CS | Strong (>5σ) | 1 | 25 | 2.25 × 1013 | 1.36 × 1014 | 0.17 | − |
| 13 | 13CS | Strong (>5σ) | 1 | 25 | 3.32 × 1013 | 1.96 × 1014 | 0.17 | First detection in Q band in CIT 6 |
| 14 | C34 S | Strong (>5σ) | 1 | 25 | 1.74 × 1013 | 6.97 × 1013 | 0.25 | First detection in Q band in CIT 6 |
| 15 | CCS | Weak (∼2σ) | 1 | 25 | 1.66 × 1013 | 7.71 × 1013 | 0.22 | – |
| 16 | C3S | Strong (>5σ) | 1 | 25 | 1.74 × 1013 | 6.97 × 1013 | 0.25 | First detection in CIT 6 |
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