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Table A.1
All identified transitions for the sources G31.41+0.31 and W3(H2O), with integrated peak area listed.
| Species | Freq. | Eup | A | Transition | G31.41+0.31 | W3(H2O) |
| (MHz) | (K) | (s-1) | (K km s-1) | (K km s-1) | ||
|
|
||||||
| CH3OCHO | 228 628.876 | 118.8 | 1.66E-04 | 185132→ 175122 | – | 0.39 |
| CH3OCHO | 228 651.404 | 118.8 | 1.66E-04 | 185130→ 175120 | – | 0.53 |
| CH3COCH3 | 228 668.358 | 85.4 | 1.69E-04 | 14961→ 13852 | – | 0.24 |
| CH3OCHO | 229 388.947 | 217.0 | 1.62E-05 | 239150→ 238160 | 0.79 | – |
| CH3OCHO | 229 405.021 | 110.7 | 1.75E-04 | 183152→ 173142 | 2.18 | 0.78 |
| CH3OCHO | 229 420.342 | 110.7 | 1.75E-04 | 183150→ 233140 | 1.86 | 0.71 |
| CH3OCHO | 229 504.724 | 134.3 | 1.18E-05 | 203170→ 194160 | 1.52 | – |
| CH3OH | 229 589.056 | 374.4 | 2.08E-05 | 1540→ 1630 | 2.58 | 1.06 |
| CH3OH | 229 758.756 | 89.1 | 4.19E-05 | 810→ 700 | 7.17 | – |
| CH3OCHO | 236 355.948 | 128.0 | 1.93E-04 | 203181→ 193171 | 2.38 | – |
| CH3OCHO | 236 365.574 | 128.0 | 1.93E-04 | 203180→ 193170 | 1.93 | – |
| CH3NH2 | 236 408.788 | 60.8 | 5.94E-05 | 621→ 610 | 0.44 | – |
| HCCCN | 236 512.777 | 153.2 | 1.05E-03 | 26 → 25 | 4.67 | 2.27 |
| H2CS | 236 726.770 | 58.6 | 1.91E-04 | 717→ 616 | 7.54 | 5.75 |
| CH3OCHO | 236 743.697 | 129.6 | 1.86E-04 | 195151→ 185141 | 2.21 | ?a |
| CH3OCHO | 236 759.687 | 129.6 | 1.86E-04 | 195150→ 185140 | 1.40 | 0.53 |
| CH3OCHO | 236 800.589 | 136.7 | 1.80E-04 | 196141→ 186131 | 1.21 | ? |
| CH3OCHO | 236 810.314 | 136.7 | 1.81E-04 | 196140→ 186130 | 2.50 | 1.20 |
| CH3OH | 236 936.089 | 260.2 | 2.79E-05 | 1410→ 1320 | 2.74 | 1.91 |
| CH3OCHO | 236 975.844 | 320.3 | 2.01E-04 | 221224→ 211214 | 0.86 | 0.33 |
| CH3OCHO | 236 976.390 | 320.3 | 2.01E-04 | 220225→ 210210 | 0.86 | 0.33 |
| CH3OCHO | 236 975.844 | 320.3 | 2.01E-04 | 221224→ 211214 | 1.19 | 0.52 |
| CH3OCHO | 236 976.390 | 320.3 | 2.01E-04 | 220225→ 210215 | 1.19 | 0.52 |
| CH3OCH3 | 237 046.092 | 31.3 | 2.33E-05 | 7253→ 6163 | 2.90 | 0.80 |
| CH3OCH3 | 237 046.106 | 31.3 | 2.33E-05 | 7252→ 6162 | 2.90 | 0.80 |
| CH3OCH3 | 237 048.797 | 31.3 | 2.32E-05 | 7251→ 6161 | 2.90 | 0.80 |
| CH3OCH3 | 237 051.495 | 31.3 | 2.33E-05 | 7250→ 6160 | 2.90 | 0.80 |
| SO2 | 237 068.870 | 94.0 | 1.14E-04 | 1239→ 12210 | 1.07 | 1.96 |
| OC34S | 237 273.635 | 119.6 | 3.88E-05 | 20→ 19 | 1.24 | 0.58 |
| CH3OCHO | 237 297.482 | 128.0 | 1.95E-04 | 202182→ 192172 | ? | 2.45 |
| CH3OCHO | 237 309.540 | 131.6 | 1.98E-04 | 212201→ 202191 | ? | 2.45 |
| CH3OCHO | 237 315.082 | 131.6 | 1.98E-04 | 212200→ 202190 | ? | 2.45 |
| CH3OCHO | 237 344.870 | 131.6 | 1.98E-04 | 211202→ 201192 | 3.48 | 1.19 |
| CH3OCHO | 237 350.386 | 131.6 | 1.98E-04 | 211200→ 201190 | 3.48 | 1.19 |
| OCS | 243 218.040 | 122.6 | 4.18E-05 | 20 → 19 | – | 2.95 |
| CH3OCH3 | 259 982.561 | 226.6 | 7.27E-05 | 205162→ 204172 | – | 1.54 |
| CH3OCH3 | 259 982.596 | 226.6 | 7.27E-05 | 205163→ 204173 | – | 1.54 |
| CH3OCH3 | 259 984.480 | 226.6 | 7.27E-05 | 205161→ 204171 | – | 1.54 |
| CH3OCH3 | 259 982.561 | 226.6 | 7.27E-05 | 205160→ 204170 | – | 1.54 |
| NH2CHO | 260 189.848 | 92.4 | 1.25E-03 | 12210→ 1129 | – | 1.46 |
| H13CO+ | 260 255.339 | 25.0 | 1.33E-03 | 3 → 2 | – | 11.76 |
| CH3OCH3 | 260 327.165 | 208.3 | 7.21E-05 | 195152→ 194162 | – | 1.27 |
| CH3OCH3 | 260 327.238 | 208.3 | 7.21E-05 | 195153→ 194163 | – | 1.27 |
| CH3OCH3 | 260 329.312 | 208.3 | 7.21E-05 | 195151→ 194161 | – | 1.27 |
| CH3OCH3 | 260 331.422 | 208.3 | 7.21E-05 | 195150→ 194160 | – | 1.27 |
| SiO | 260 518.020 | 43.8 | 7.21E-05 | 6 → 5 | – | 9.24 |
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