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Table 2

Observed lines.

ν Line E low
(GHz) (K)

217.105 SiO (5–4) 20.8
219.560 C18O (2–1) 5.3
220.399 13CO (2–1) 5.3
220.476 CH3CN (128 − 118) 515.0
220.486 CHCN(126 − 116) 313.9
220.532 CHCN(125 − 115) 235.8
220.539 CH3CN (127 − 117) 408.0
220.570 CHCN(124 − 114) 171.9
220.594 CH3CN (126 − 116) 315.3
220.600 CHCN(123 − 113) 122.2
220.621 CHCN(122 − 112) 86.7
220.634 CHCN(121 − 111) 65.3
220.638 CHCN(120 − 110) 58.2
220.641 CH3CN (125 − 115) 236.8
220.679 CH3CN (124 − 114) 172.6
220.709 CH3CN (123 − 113) 122.6
220.730 CH3CN (122 − 112) 86.8
220.743 CH3CN (121 − 111) 65.4
220.747 CH3CN (120 − 110) 58.3
229.589 CH3OH (154 − 163)E 363.4
230.538 12CO (2–1) 5.5

Notes. Values of frequencies and lower energies for each molecular transition are reported from the Cologne Database for Molecular Spectroscopy, CDMS (Müller et al. 2005).

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