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Table A.2
Observed line fluxes 
(K km s-1) for CH3OH and its isotopic species.
| Frequency | Transition | Eup | A | Sources | ||
| [GHz] | [K] | [s-1] | IRAS 20126+4104 | IRAS 18089-1732 | G31.41+0.31 | |
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| CH3OH | ||||||
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| 218.440 | 42,0– 31,0 | 45 | 6.9(–5) | – | – | 10.10 (2.22):: |
| 219.984 | 253,0–244,0 | 802 | 3.0(–5) | <1.33 | <0.24 | <0.45 (0.24): |
| 219.994 | 235,0–226,0 | 776 | 2.6(–5) | <1.33 | <0.24 | <1.74 (0.56): |
| 240.739 | 263,−0–262,+0 | 864 | 1.1(–4) | <0.20 | <0.40 (0.32) | <0.78 (0.47): |
| 240.818 | 51,2–41,2 | 834 | 8.5(–5) | <0.20 | <0.23 | <3.58 (0.88): |
| 240.861 | 5−4,2–4−4,2 | 779 | 3.2(–5) | <0.20 | <0.27 | <0.81 (0.37): |
| 240.870 | 50,2–40,2 | 769 | 8.9(–5) | <0.20 | <0.90 (0.71): | <3.26 (1.06): |
| 240.916 | 53,−2/+2–43,−2/+2 | 693 | 5.7(–5) | <0.20 | <1.17 (0.46): | 1.43 (0.45) |
| 240.932 | 54,−2/+2–44,−2/+2 | 649 | 3.2(–5) | <0.20 | <0.57 (0.20) | ~0.42 (0.21) |
| 240.937 | 5−2,2–4−2,2 | 680 | 7.4(–5) | <0.20 | <1.03 (0.69): | ~0.49 (0.24) |
| 240.939 | 50,+2–40,+2 | 543 | 1.2(–4) | <0.20 | <1.03 (0.69): | 2.54 (0.86) |
| 240.948 | 53,2–43,2 | 656 | 5.6(–5) | <0.20 | ~0.24 (0.12)* | ~0.74 (0.30)* |
| 240.952 | 52,2–42,2 | 621 | 7.5(–5) | <0.20 | ~0.24 (0.12)* | ~0.74 (0.30)* |
| 240.959 | 5−1,2–4−1,2 | 567 | 8.5(–5) | <0.20 | 1.18 (0.42): | 1.74 (0.61): |
| 240.961 | 51,+1–41,+1 | 360 | 8.5(–5) | <0.20 | 1.18 (0.42): | 1.74 (0.61): |
| 241.043 | 22− 6,0 − 23− 5,0 | 776 | 3.4(–5) | – | ~0.35 (0.48) | <0.38 (0.54): |
| 330.794 | 8−3,0–9−2,0 | 146 | 8.0(–5) | ~0.28 (0.57) | 3.23 (1.12) | 8.06 (2.43) |
| 331.220 | 16− 1,0 − 15− 2,0 | 321 | 7.8(–5) | <0.39c | 2.66 (0.79) | >3.19 (0.91)b |
| 338.124 | 70,0–60,0 | 78 | 2.5(–4) | —- | – | 30.57 (11.11):: |
| 338.345 | 7−1,0–6−1,0 | 70 | 2.5(–4) | 7.29 (2.05):: | 10.34 (2.58):: | 38.03 (9.06):: |
| 338.405 | 76,0–66,0 | 244 | 6.7(–5) | <8.90 (2.54): | <12.95 (3.14): | <44.10 (10.87): |
| 338.409 | 70,+0–60,+0 | 65 | 2.5(–4) | 8.90 (2.54):: | 12.95 (3.14):: | 44.10 (10.87):: |
| 338.431 | 7−6,0–6−6,0 | 254 | 6.7(–5) | ~0.72 (0.14) | ~2.23 (1.06) | 8.49 (2.90) |
| 338.442 | 76,−0/+0–66,−0/+0 | 259 | 6.7(–5) | ~1.20 (0.79): | ~2.29 (1.27) | 8.80 (3.44) |
| 338.457 | 7−5,0–6−5,0 | 189 | 1.2(–4) | 1.80 (0.66): | ~2.55 (1.44) | 10.12 (3.74) |
| 338.475 | 75,0–65,0 | 201 | 1.2(–4) | ~1.43 (0.94): | ~1.89 (1.21) | 9.22 (3.46) |
| 338.486 | 75,−0/+0–65,−0/+0 | 203 | 1.2(–4) | ~2.86 (0.94): | >3.40 (3.00) | >13.31 (5.28) |
| 338.504 | 7−4,0–6−4,0 | 153 | 1.7(–4) | ~1.78 (0.85) | ~3.39 (1.88) | >12.14 (4.99) |
| 338.5126 | 74/4,−0/+0–64/4,−0/+0 | 145 | 1.7(–4) | >2.61 (0.94): | >5.87 (1.81): | >26.88 (9.59): |
| 338.5129 | 72,−0–62,−0 | 103 | 2.3(–4) | >2.61 (0.94): | >5.87 (1.81): | >26.88 (9.59): |
| 338.530 | 74,0–64,0 | 161 | 1.7(–4) | ~1.34 (0.59) | ~3.69 (2.22) | 11.33 (4.40) |
| 338.541 | 73,+0/−0–63,+0/−0 | 115 | 2.1(–4) | >3.75 (1.24) | >8.71 (2.71) | >29.00 (8.01) |
| 338.560 | 7−3,0–6−3,0 | 128 | 2.1(–4) | ~2.14 (0.95) | >4.50 (1.87) | 14.94 (4.70) |
| 338.583 | 73,0–63,0 | 113 | 2.1(–4) | 2.74 (1.17) | >4.02 (1.61) | 18.35 (5.14) |
| 338.615 | 71,0–61,0 | 86 | 2.5(–4) | 4.48 (1.33):: | 9.01 (2.57):: | 28.49 (6.87):: |
| 338.640 | 72,+0–62,+0 | 103 | 2.3(–4) | >2.99 (1.07) | >6.46 (2.36) | 21.12 (5.79) |
| 338.722 | 72,0–62,0 | 87 | 2.3(–4) | 2.60 (0.70):: | 5.24 (1.36):: | 17.99 (8.33):: |
| 338.723 | 7−2,0–6−2,0 | 91 | 2.3(–4) | 2.60 (0.70):: | 5.24 (1.36):: | 17.99 (8.33):: |
| 340.141 | 22,+0–31,+0 | 45 | 4.1(–5) | 1.56 (0.71):: | 3.31 (1.04):: | 12.35 (2.83):: |
| 342.730a | 131,12,−0–130,13,+0 | 147 | 2.4(–5) | – | – | 14.19 (3.54) |
| 344.971 | 127,1–116,1 | 762 | 1.3(–4) | <0.12 | – | ~2.27 (1.07) |
| 364.159 | 93,1–92,1 | 522 | 6.5(–5) | ~0.20 (0.41) | 2.97 (1.10): | 2.66 (0.77) |
|
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| 13CH3OH | ||||||
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| 222.468 | 211,20,0–210,21,0 | 544 | 3.6(–5) | <0.23 | <0.32 | <0.59 |
| 225.404 | 162,14,0–153,12,0 | 331 | 2.0(–5) | <0.19 | <0.45 (0.35): | <3.49 (1.55): |
| 338.760 | 130,13,+0–121,12,+0 | 206 | 2.2(–4) | <0.20 | <0.39 | ~5.55 (2.36) |
| 341.132a | 131,12,−0–130,13,+0 | 211 | 2.4(–5) | – | – | 3.55 (2.22) |
| 345.084 | 22,0,+0–31,3,+0 | 45 | 2.9(–5) | <0.29 | <0.24 | <1.69 (0.77): |
| 345.133 | 40,4,0–3−1,3,0 | 36 | 8.2(–5) | <0.29 | 1.81 (0.70) | 4.06 (1.25) |
| 354.446 | 41,3,0–30,3,0 | 44 | 1.3(–4) | <0.18 | 1.68 (0.65) | 6.32 (1.59) |
| 363.924 | 143,12,1–142,13,1 | 655 | 4.7(–5) | <0.24 | <2.06 (0.94): | <1.40 (0.92): |
Notes.The notation a(−b) stands for a × 10− b. > Means lower limit (optically thick line). < Means upper limit. ~ Means uncertain detection, S/N ≲ 2. – Means frequency not observed. : Means blended frequency. :: Cold (Eup < 100 K) CH3OH line (treated as a blend with cold component).
(*)
Calculated flux (see Eq. (4)).
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