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Table 3

Rest frequencies and other spectroscopic parameters of the studied and detected molecular transitions.


Molecule Rest frequency (GHz) Quantum numbers Eu (K) log(Aij/s)
HCN 88.63042 J = 1–0, F = 1–1 4.3 −4.6184
88.63185 J = 1–0, F = 2–1 4.3 −4.6185
88.63394 J = 1–0, F = 0–1 4.3 −4.6184

HCO+ 89.18852 J = 1–0 4.3 −4.3781

c-C3H2 85.33889 JKa, Kc = 21,2−10,1 6.4 −4.6341
145.08959 JKa, Kc = 31,2 − 22,1 16.0 −4.1696

H13CO+ 86.75429 J = 1–0 4.2 −4.4142

HCO 86.67076 NKa, Kc = 10,1−00,0, J = 3/2−1/2, F = 2–1 4.2 −5.3289
86.70836 NKa, Kc = 10,1−00,0, J = 3/2−1/2, F = 1–0 4.2 −5.3377
86.77746 NKa, Kc = 10,1−00,0, J = 1/2−1/2, F = 1–1 4.2 −5.3366
86.80578 NKa, Kc = 10,1−00,0, J = 1/2−1/2, F = 0–1 4.2 −5.3268

SO 86.09395 N = 2–1, J = 2–1 19.3 −5.2799

H2CO 140.839502 JKa, Kc = 21,2−11,1 21.9 −4.2754
H2CO 145.602949 JKa, Kc = 20,2−10,1 10.5 −4.1072

CH3OH 95.91431 2(1, 2)−1(1, 1) A+ 21.4 −5.6031
CH3OH 96.739358 2(1, 2)−1(1, 1) E2 12.5 −5.5923
CH3OH 96.741371 2(0, 2)−1(0, 1) A+ 7.0 −5.4675
CH3OH 96.744545 2(0, 2)−1(0, 1) E1 20.1 −5.4676
CH3OH 96.755501 2(1, 1)−1(1, 0) E1 28.0 −5.5810
CH3OH 97.582798 2(1, 1)−1(1, 0) A 21.6 −5.5806
CH3OH 143.865795 3(1, 3)−2(1, 2) A+ 28.3 −4.9712
CH3OH 145.093707 3(0, 3)−2(0, 2) E1 27.1 −4.9096
CH3OH 145.097370 3(1, 3)−2(1, 2) E2 19.5 −4.9602
CH3OH 145.103152 3(0, 3)−2(0, 2) A+ 13.9 −4.9093
CH3OH 145.126191 3(2, 2)v−2(2, 1) E1 36.2 −5.1693
CH3OH 145.126386 3(2, 1)−2(2, 0) E2 39.8 −5.1638
CH3OH 145.131855 3(1, 2)−2(1, 1) E1 35.0 −4.9490
CH3OH 146.368328 3(1, 2)−2(1, 1) A+ 28.6 −4.9488

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