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Table A.2

Molecular transitions targeted

Molecule Transition Frequency Eup Aij Serpens Perseus Taurus
GHz K s−1 S68N SMM3 SMM1 8N B1c L1448 HH211 B5 04302 TMC1 TMC1A L1527 L1489
CO 2–1 230.5380 17 6.9e-7
C18O 2–1 219.5604 16 6.1e-7
13CO 2–1 220.3987 16 6.1e-7
C17O 21.5–11.5 224.7147 16 4.5e-7
H13CO+ 1–0 86.7543 4 3.9e-5
2–1 173.5067 13 3.7e-4
3–2 260.2553 25 1.3e-3
H2CO 30,3–20,2 218.2222 21 2.8e-4
31,2–21,1 225.6978 34 2.8e-4
32,1–22,0 218.7601 68 1.6e-4
91,8–91,9 216.5687 174 7.2e-6
H2CS 51,4–41,3 174.3452 38 7.3e-5
70,7–60,6 240.2669 46 2.1e-4
SO 56–45 219.9494 35 1.4e-4
67–56 261.8437 48 2.3e-4
SiO 4–3 173.6883 21 2.6e-4
5–4 217.1050 31 5.2e-4
DCO+ 3–2 216.1126 21 7.6e-4
N2D+ 3–2 231.3218 22 7.1e-4
OCS 19–18 231.0610 111 3.6e-5
O13CS 18–17 218.1990 99 3.0e-5
H2S 22–21 216.7104 83 4.8e-5
HNCO 50,5–40,4 109.9058 16 1.8e-5
110,11–100,10 241.7741 70 2.0e-4
120,12–110,11 263.7487 82 2.6e-4
121,12–111,11 262.7696 125 2.6e-4
H2CCO 131,13–121,12 260.1920 101 2.0e-4
132,11–122,10 262.7609 141 2.0e-4
HCOOH 50,5–40,4 111.7468 16 1.5e-5
52,4–42,3 112.2871 29 1.3e-5
53,3–43,2 112.4596 45 9.7e-6
120,12–110,11 262.1036 83 2.0e-4
13 CS 5–4 231.2207 33 2.5e-4
CN 10,0.5,0.5–00,0.5,1.5 113.1442 5 1.1e-5
20,1.5,2.5–10,1.5,2.5 226.3599 16 1.6e-5
20,1.5,0.5–10,0.5,1.5 226.6166 16 1.1e-5
20,1.5,2.5–10,0.5,1.5 226.6596 16 9.5e-5
20,1.5,0.5–10,0.5,0.5 226.6637 16 8.5e-5
20,1.5,1.5–10,0.5,0.5 226.6793 16 5.3e-5
20,2.5,2.5–10,1.5,1.5 226.8742 16 9.6e-5
20,2.5,3.5–10,1.5,2.5 226.8748 16 1.1e-4
20,2.5,1.5–10,1.5,0.5 226.8759 16 8.6e-5
20,2.5,1.5–10,1.5,1.5 226.8874 16 2.7e-5
20,2.5,2.5–10,1.5,2.5 226.8921 16 1.8e-5
HCN 1–0 88.6318 4 2.4e-5
H13CN 1–0 86.3423 4 2.2e-5
2–1 172.6780 12 1.6e-4
CCH 32.5,2–21.5,2 262.0788 25 6.5e-6
32.5,3–21.5,2 262.0648 25 5.3e-5
32.5,2–21.5,1 262.0673 25 4.8e-5
33.5,3–22.5,2 262.0064 25 5.5e-5
33.5,4–22.5,3 262.0042 25 5.7e-5
c-C3H2 61,6 –50,5 217.8221 39 5.9e-4
72,6–71,7 218.7327 61 9.8e-5
74,3–73,4 112.4908 83 4.5e-5
CH3CHO 61,6,1–51,5,1 112.2487 21 4.5e-5
61,6,0–51,5,0 112.2545 21 4.5e-5
94,5–84,4 173.5191 78 1.4e-4
140,14–130,13 262.9601 96 6.2e-4
CH3CN 60 –50 110.3835 19 1.1e-4
61–51 110.3814 26 1.1e-4
62–52 110.3750 47 9.9e-5
63–53 110.3644 83 8.3e-5
64–54 110.3495 133 6.2e-5
CH3OH 21,0–10,1 261.8057 28 5.6e-5
50–40 241.7914 35 6.1e-5
5−1–4−1 241.7672 40 5.8e-5
52–42 241.9046 57 5.0e-5
42–51 234.6834 61 1.9e-5
13CH3OH 21,1 –10,1 259.9865 28 5.5e-5
52,3–41,3 261.8057 56 7.4e-5
CH3OCHO 95,5 –85,4 110.8805 43 1.4e-5
100,10–90,9 111.1699 30 2.0e-5
91,8–81,7 111.6741 28 2.0e-5

Notes. ✓ - transition detected, ✗ - transition not detected, – transition not targeted.

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