Table A.1.
Selected methanol transitions.
| Transition | ν [GHz] | A/E | R1 | R2 | R3 | R4 | R5 | R6 | R7 | R8 | R9 | R10 | potential blending lines |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 5−1→40 | 84.521172 | E | ✓ | ✓ | ✓ | ✓ | – | ✓ | ✓ | ✓ | ✓ | ✓ | – |
| 21→11 | 95.914310 | A+ | ✓ | ✓ | ✓ | ✓ | – | ✓ | ✓ | ✓ | ✓ | ✓ | C2H5OH |
| 21→11 | 97.582798 | A− | ✓ | ✓ | ✓ | ✓ | – | ✓ | ✓ | ✓ | ✓ | – | CH3COCH3 |
| 31→40 | 107.013831 | A+ | – | – | ✓ | ✓ | – | ✓ | ✓ | – | – | – | CH3COCH3 |
| 00→1−1 | 108.893945 | E | ✓ | ✓ | ✓ | ✓ | – | ✓ | ✓ | ✓ | ✓ | ✓ | – |
| 6−1→50 | 132.890759 | E | ✓ | ✓ | ✓ | ✓ | – | ✓ | ✓ | ✓ | ✓ | ✓ | CH3OCHO |
| 31→21 | 143.865795 | A+ | * | ✓ | ✓ | ✓ | – | ✓ | ✓ | ✓ | ✓ | – | C2H5OH |
| 31→21 | 146.368328 | A− | * | ✓ | ✓ | ✓ | – | ✓ | ✓ | ✓ | ✓ | bN | cis–DCOOH, n–C3H7CN |
| 90→81 | 146.618697 | A+ | ✓ | – | – | ✓ | – | – | * | ✓ | ✓ | – | SO2 |
| 80→8−1 | 156.488902 | E | – | – | – | ✓ | – | – | – | – | – | – | C2H3CN |
| 21→30 | 156.602395 | A+ | – | N | ✓ | ✓ | – | ✓ | ✓ | – | ✓ | – | C2H5C–13–N |
| 70→7−1 | 156.828517 | E | – | – | – | ✓ | – | ✓ | ✓ | – | – | – | C2H5CN, NH2CHO |
| 60→6−1 | 157.048617 | E | – | – | – | ✓ | – | ✓ | ✓ | – | – | – | HCOOH |
| 50→5−1 | 157.178987 | E | – | – | – | ✓ | – | ✓ | ✓ | – | – | – | CH3COCH3, 33SO |
| 51→50 | 165.369341 | E | ✓ | ✓ | ✓ | ✓ | – | ✓ | ✓ | ✓ | ✓ | * | C2H5CN |
| 41→31 | 191.810503 | A+ | – | * | ✓ | ✓ | – | ✓ | ✓ | bN | ✓ | * | HCOOC2H5, n–C3H7CN |
| 41→31 | 195.146790 | A− | * | * | ✓ | ✓ | – | ✓ | ✓ | ✓ | ✓ | N | CH3OCHO, CH3OCH3 |
| 100→91 | 198.403067 | A+ | * | * | ✓ | ✓ | – | ✓ | ✓ | N | bN | * | – |
| 11→20 | 205.791270 | A+ | * | ✓ | ✓ | ✓ | – | ✓ | ✓ | ✓ | ✓ | bN | C2H5OH, CH3OCHO |
| 11→00 | 213.427061 | E | ✓ | ✓ | ✓ | ✓ | – | ✓ | ✓ | ✓ | ✓ | ✓ | c–C3H |
| 51→42 | 216.945521 | E | – | – | – | ✓ | – | ✓ | ✓ | – | – | – | – |
| 42→31 | 218.440063 | E | * | ✓ | ✓ | ✓ | – | ✓ | * | ✓ | ✓ | ✓ | c–C3H2 |
| 8−1→70 | 229.758756 | E | ✓ | – | – | ✓ | – | ✓ | ✓ | ✓ | ✓ | – | CH3CHO |
| 51→41 | 239.746219 | A− | ✓ | – | ✓ | ✓ | – | ✓ | ✓ | ✓ | ✓ | bN | HCOOD |
| 51→41 | 243.915788 | A+ | * | – | ✓ | ✓ | – | ✓ | ✓ | * | ✓ | bN | D2 34S, 34SO2 |
| 42→51 | 247.228587 | A | – | – | bN | ✓ | – | – | ✓ | – | – | – | C2H5OH |
| 20→1−1 | 254.015377 | E | ✓ | ✓ | ✓ | ✓ | – | ✓ | ✓ | ✓ | ✓ | ✓ | c–C3D2, C2H5OH |
| 21→10 | 261.805675 | E | ✓ | ✓ | ✓ | ✓ | – | ✓ | ✓ | ✓ | ✓ | ✓ | C2H, c–C3H2 |
| 61→51 | 287.670767 | A+ | ✓ | – | ✓ | ✓ | – | ✓ | ✓ | ✓ | ✓ | – | CCS |
| 60→50 | 289.939377 | E | – | – | ✓ | ✓ | – | ✓ | * | ✓ | ✓ | – | S17O, HNC18O |
| 61→51 | 292.672889 | A− | ✓ | – | ✓ | ✓ | – | ✓ | ✓ | * | ✓ | – | CH3COCH3, CH3CHO |
| 30→2−1 | 302.369753 | E | ✓ | ✓ | ✓ | ✓ | – | ✓ | ✓ | ✓ | ✓ | ✓ | c–HCOOH, CH3OCHO |
| 11→10 | 303.366921 | A−+ | ✓ | ✓ | ✓ | ✓ | – | ✓ | ✓ | * | ✓ | ✓ | H2CN |
| 21→20 | 304.208348 | A−+ | ✓ | ✓ | ✓ | ✓ | – | ✓ | ✓ | ✓ | ✓ | ✓ | NH2CHO, C2H5OH |
| 31→30 | 305.473491 | A−+ | ✓ | ✓ | ✓ | ✓ | – | ✓ | ✓ | ✓ | ✓ | bN | C2H5CN, CH3COCH3 |
| 41→40 | 307.165924 | A−+ | ✓ | ✓ | ✓ | ✓ | – | ✓ | ✓ | ✓ | ✓ | ✓ | CH3OCHO |
| 51→50 | 309.290360 | A−+ | * | ✓ | ✓ | ✓ | – | ✓ | ✓ | ✓ | ✓ | bN | 33SO |
| 31→20 | 310.192994 | E | ✓ | ✓ | ✓ | ✓ | – | ✓ | ✓ | ✓ | ✓ | ✓ | CH3OCHO, CH3COCH3 |
| 61→60 | 311.852612 | A−+ | * | bN | ✓ | ✓ | – | ✓ | ✓ | ✓ | ✓ | ✓ | c–C3H2, CH3COCH3 |
| 71→70 | 314.859528 | A−+ | * | – | ✓ | ✓ | – | ✓ | ✓ | * | ✓ | – | C2H3CN |
| 62→51 | 315.266861 | E | ✓ | – | ✓ | ✓ | – | ✓ | ✓ | * | * | – | C2H3CN |
| 81→80 | 318.318919 | A−+ | – | – | ✓ | ✓ | – | ✓ | ✓ | bN | bN | – | c–C3H2, C2H5OH |
| 71→61 | 335.582017 | A+ | ✓ | – | ✓ | ✓ | – | ✓ | ✓ | – | – | – | n–C3H7CN, l–C3H2 |
| 70→60 | 338.124488 | E | – | ✓ | ✓ | ✓ | – | ✓ | ✓ | ✓ | ✓ | – | CH3OCHO |
| 71→61 | 341.415615 | A− | – | – | ✓ | ✓ | – | ✓ | ✓ | – | – | – | NH2CHO, CH3OCHO |
| 40→3−1 | 350.687662 | E | ✓ | ✓ | ✓ | ✓ | – | ✓ | ✓ | ✓ | ✓ | ✓ | NO |
| 11→00 | 350.905100 | A+ | ✓ | ✓ | ✓ | ✓ | – | ✓ | ✓ | ✓ | ✓ | ✓ | CH3COCH3, 33SO2 |
| 41→30 | 358.605799 | E | ✓ | * | ✓ | ✓ | – | ✓ | ✓ | ✓ | ✓ | – | CH3OCHO, n–C3H7CN |
| 72→61 | 363.739868 | E | – | – | ✓ | ✓ | – | ✓ | ✓ | – | – | – | – |
| TNoL | 25(35) | 23(29) | 41(42) | 49 | – | 46 | 45(48) | 31(38) | 35(39) | 16(26) | |||
| Hα | – | 1147 | 58303 | 58579 | 17814 | 36998 | 36291 | 8150 | 7073 | 2603 |
Notes. Selected methanol lines to perform our rotation diagrams. Possible contamination with other molecules is mentioned in the rightmost column. The symbol * indicates bad-shaped lines. The letter N indicates lines embedded in a noisy continuum but with intensities above the 3.5σ level. bN denotes lines tentatively detected (2–3σ). ✓ indicates well-distinguished/confidently-detected lines, and the dash (–) indicates a nondetection. The third last row provides the total number of lines (TNoL) detected toward each region, considering lines confidently observed (check-mark). The TNoL considering the ones not clearly detected (*, N, bN), are given in parenthesis. The last row presents the Hα mean intensity for each region considering an angular extent of 1
6 (the beam size), obtained from MUSE archival data (ID:0102.B-0078(A), PI:Laura Zschaechner) in units of 10−20 erg/s/cm2/Å. For an alternative approach on line blending, see Tables C.1 and C.2.
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