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Table 5
Detection rates of the observed molecules.
| Molecule | C18 O | HCO | H13CO+ | ||||||||
| Source type | All | HII | non-HII | All | HII | non-HII | All | HII | non-HII | ||
| rms (K) | 0.050 | − | − | 0.029 | − | − | 0.041 | − | − | ||
| Number of observed source | 385 | 102 | 283 | 405 | 103 | 302 | 403 | 103 | 300 | ||
| Number of detected source | 385 | 102 | 283 | 131 | 69 | 62 | 400 | 100 | 300 | ||
| Detection rate (%) | 100 | 100 | 100 | 32 | 66 | 20 | 99 | 97 | 100 | ||
| Molecule | C2H | c-C3H2 | CN | ||||||||
| Source type | All | HII | non-HII | All | HII | non-HII | All | HII | non-HII | ||
| rms (K) | 0.039 | − | − | 0.038 | − | − | 0.069 | − | − | ||
| Number of observed source | 403 | 102 | 301 | 404 | 102 | 302 | 386 | 102 | 284 | ||
| Number of detected source | 399 | 102 | 297 | 403 | 102 | 301 | 363 | 102 | 261 | ||
| Detection rate (%) | 99 | 100 | 98 | 99 | 100 | 99 | 94 | 100 | 91 | ||
| Molecule | HN13C | H13CN | HC15N | ||||||||
| Source type | All | HII | non-HII | All | HII | non-HII | All | HII | non-HII | ||
| rms (K) | 0.040 | − | − | 0.040 | − | − | 0.038 | − | − | ||
| Number of observed source | 405 | 103 | 302 | 403 | 101 | 302 | 405 | 103 | 302 | ||
| Numnber of detected source | 384 | 94 | 290 | 305 | 94 | 211 | 161 | 82 | 79 | ||
| Detection rate (%) | 94 | 91 | 96 | 75 | 93 | 69 | 39 | 79 | 26 | ||
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