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Table A.8
Observed line fluxes 
(K km s-1) for HCOOCH3.
| Frequency | Transition | E up | A | Sources | ||
| [GHz] | [K] | [s-1] | IRAS 20126+4104 | IRAS 18089-1732 | G31.41+0.31 | |
|
|
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| HCOOCH3 | ||||||
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| 218.281 | 173,14,2–163,13,2 | 100 | 1.5(–4) | <0.18 | – | 1.38 (0.42) |
| 218.298 | 173,14,0–163,13,0 | 100 | 1.5(–4) | <0.18 | – | 1.00 (0.430) |
| 219.584 | 1813,5/6,3–1713,4/5,3 | 401 | 7.7(–5) | <1.33 | – | ~0.17 (0.15) |
| 219.592 | 289,19,2–288,20,2 | 295 | 1.6(–5) | <1.33 | – | ~0.30 (0.22) |
| 219.623 | 1812,6/7,3–1712,5/6,3 | 384 | 8.9(–5) | <1.33 | – | ~0.66 (0.32) |
| 219.642 | 1813,6,4–1713,5,4 | 401 | 7.7(–5) | <1.33 | <0.21 | ~0.55 (0.43) |
| 219.696 | 1811,8/7,3–1711,7/6,3 | 369 | 1.0(–4) | <0.28 | <0.21 | 0.69 (0.25) |
| 219.705 | 184,15,3–174,14,3 | 300 | 1.5(–4) | <0.28 | <0.21 | 0.77 (0.27) |
| 219.764 | 189,9,5–179,8,5 | 342 | 1.2(–4) | <0.28 | <0.21 | 0.61 (0.24) |
| 219.822 | 1810,9/8,3–1710,8/7,3 | 355 | 1.1(–4) | <0.28 | <0.21 | <1.10 (0.55): |
| 222.149 | 186,12,3–176,11,3 | 312 | 1.5(–4) | <0.22 | 1.25 (0.25): | <3.05 (0.83): |
| 222.177 | 186,12,5–176,11,5 | 312 | 1.5(–4) | <0.18 | <0.20 | ~1.14 (0.67) |
| 222.421 | 188,10,2–178,9,2 | 144 | 1.3(–4) | <0.22 | <1.32 (0.26): | 1.62 (0.45) |
| 222.438 | 188,11,0–178,10,0 | 144 | 1.3(–4) | <0.22 | 0.35 (0.16)* | 1.07 (0.39)* |
| 222.440 | 188,10,0–178,9,0 | 144 | 1.3(–4) | <0.22 | 0.35 (0.16)* | 1.07 (0.39)* |
| 222.442 | 188,11,1–178,10,1 | 144 | 1.3(–4) | <0.22 | 0.35 (0.16)* | 1.07 (0.39)* |
| 225.372 | 2021,9,3–1921,8,3 | 307 | 1.7(–4) | <0.19 | <0.31 | 1.38 (0.56) |
| 225.449 | 2011,9,3–1911,8,3 | 307 | 1.7(–4) | <0.19 | <0.18 | <1.30 (0.55): |
| 238.927 | 203,18,1–192,17,2 | 128 | 2.1(–5) | <0.21 | <0.22 | ~0.40 (0.23) |
| 238.933 | 203,18,0–192,17,0 | 128 | 2.1(–5) | <0.21 | <0.22 | ~0.47 (0.20) |
| 238.947 | 193,16,5–183,15,5 | 309 | 2.0(–4) | <0.21 | ~0.29 (0.26) | <0.88 (0.38): |
| 239.111 | 76,2,4–65,2,4 | 227 | 2.7(–5) | <0.21 | <0.22 | <0.15 (0.17) |
| 241.059 | 303,27,0–303,28,0 | 281 | 5.8(–6) | – | <0.23 | ~0.33 (0.31) |
| 241.068 | 303,27,0–302,28,0 | 281 | 1.1(–5) | – | <0.23 | ~0.76 (0.53) |
| 330.941 | 302/1,29,4/5–292/1,28,4/5 | 443 | 5.5(–4) | <0.31 | ~0.73 (0.38) | ~0.75 (0.83) |
| 331.021 | 255,21,0–244,20,0 | 210 | 3.5(–5) | <0.34 | <0.40 | <8.29 (1.66): |
| 331.036 | 255,21,1–244,20,2 | 210 | 3.5(–5) | <0.32 | <0.34 | <10.01 (3.05): |
| 331.121 | 2712,16,4–2612,15,4 | 505 | 4.5(–4) | <0.29 | – | <0.74 (0.69) |
| 331.149 | 284,25,1–274,24,1 | 248 | 5.3(–4) | <0.29 | 0.69 (0.31) | 2.60 (1.39) |
| 331.160 | 284,25,0–274,24,0 | 248 | 5.3(–4) | <0.29 | <0.99 (0.42): | <2.24 (1.15): |
| 331.161 | 2711,17/16,3–2611,16/15,3 | 490 | 4.6(–4) | <0.29 | <0.99 (0.42): | <2.24 (1.15): |
| 338.338 | 278,19,2– 268,18,2 | 267 | 5.4(–4) | <0.26 | <0.39 | 6.26 (2.37) |
| 338.356 | 278,19,0– 268,18,0 | 267 | 5.4(–4) | <0.23 | <0.44 | 5.09 (2.08) |
| 338.393 | 285,24,3– 275,23,3 | 443 | 5.7(–4) | <0.23 | <0.43 | <3.80 (2.05): |
| 338.396 | 277,21,1– 267,20,1 | 258 | 5.5(–4) | <0.23 | <0.45 | <3.80 (2.05): |
| 338.414 | 277,21,0– 267,20,0 | 258 | 5.5(–4) | <8.06 (2.04): | <0.45 | <43.32 (9.59): |
| 339.882 | 293,26,3–283,25,3 | 450 | 5.8(–4) | <0.22 | <0.79 (0.16): | ~0.73 (0.33) |
| 340.044 | 294,26,4–284,25,4 | 450 | 5.8(–4) | <0.15 | <0.12 | <3.75 (0.75): |
| 340.115 | 277,20,5–267,19,5 | 444 | 5.5(–4) | <0.15 | ~0.30 (0.31): | 0.77 (0.32) |
| 345.068 | 2814,14,2–2714,13,2 | 370 | 4.7(–4) | <0.26 | 0.28 (0.11) | <3.93 (1.62): |
| 345.069 | 2814,15/14,0–2714,14/13,0 | 370 | 4.7(–4) | <0.26 | 0.56 (0.22) | <3.93 (1.62): |
| 345.073 | 166,11,0–155,10,0 | 104 | 3.9(–5) | <0.26 | <0.19 | <5.62 (1.29): |
| 345.085 | 1913,6,2–1912,7,2 | 224 | 3.5(–5) | – | ~0.37 (0.20) | <1.73 (0.35): |
| 345.091 | 2814,15,1–2714,14,1 | 370 | 4.7(–4) | <0.26 | <0.50 (0.32): | <4.14 (1.70): |
| 345.148 | 286,23,3–276,22,3 | 452 | 6.0(–4) | <0.26 | ~0.55 (0.34) | ~0.59 (0.54) |
| 345.163 | 118,3,5–107,3,5 | 269 | 7.1(–5) | <0.26 | <0.19 | ~0.50 (0.47) |
| 345.230 | 1813,5,2–1812,6,2 | 213 | 3.2(–5) | <0.25 | ~0.59 (0.40) | <8.18 (3.04): |
| 345.242 | 1813,6,1–1812,7,1 | 213 | 3.2(–5) | <0.25 | <0.85 (0.83): | <8.18 (3.04): |
| 345.248 | 2810,19,4–2710,18,4 | 493 | 5.5(–4) | <0.26 | <0.19 | <0.34 |
| 352.817 | 330/1/0/1,33,3–321/1/0/0,32,3 | 479 | 1.1(–4) | <0.18 | ~0.38 (0.28) | <2.68 (0.76): |
| 352.841 | 331/0,33,4/5–321/0,32,4/5 | 479 | 7.7(–4) | <0.18 | <0.50 (0.42): | 1.72 (0.47) |
| 352.912 | 312,29,2–303,28,1 | 286 | 8.5(–5) | <0.18 | <0.26 | 0.30 (0.08) |
| 352.918 | 313,29,1–303,28,1 | 286 | 6.6(–4) | <0.18 | <1.10 (0.36): | 2.32 (0.62)* |
| 352.922 | 312,29,2–302,28,2 | 286 | 6.6(–4) | <0.18 | <1.10 (0.36): | 2.32 (0.62)* |
| 352.926 | 313,29,0–303,28,0 | 286 | 6.6(–4) | <0.18 | <1.10 (0.36): | 2.32 (0.62)* |
| 352.930 | 312,29,0–302,28,0 | 286 | 6.6(–4) | <0.18 | <1.10 (0.36): | 2.32 (0.62)* |
Notes.The notation a( − b) stands for a × 10− b. < Means upper limit. ~ Means uncertain detection, S/N ≲ 2. – Means frequency not observed. : Means blended line. * Calculated flux (see Eq. (4)).
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