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Table 2

Line list.

Observed Species Rest Transition Eupp Aul
Freq. (MHz) Freq. (MHz) J K a, K c (K) × 10-6 (s-1)
41 573.1 AA-CH3OCH3 41 573.290 195,14–186,13 208.3 0.07
41 575.3 EE-CH3OCH3 41 575.465 195,14–186,13 208.3 0.06
41 607.1 H90ϵ 41 605.242
41 616.2 H100η 41 613.994
CH3NH2 41 615.387 151,4–150,5 256.9 0.86
41 702.7 H108ι 41 700.798
41 848.5 H67β 41 846.551
41 859.7 33SO2 41 859.643 62,4–71,7 29.0 0.14
41 865.4 He67β 41 863.603
41 867.2 C67β 41 867.430
41 878.8 H104θ 41 877.388
41 904.6 A-13CH3OH 41 904.330 82,7–91,8 119.3 0.31
42 003.2 H95ζ 42 000.640
42 038.2 A-CH3OH νt = 1 42 038.245  229,1–228,−1 1268.9 0.09
42 285.2 E-CH3OH νt = 1 42 284.886 JK = 19-3–18-2 762.1 0.09
42 288.9 H111κ 42 287.291
42 369.3 EE-CH3OCH3 42 368.723 133,11–124,8 95.6 0.07
42 372.9 30SiO 42 373.424 J = 1–0 2.0 2.83
42 374.5 30SiO 42 373.424 J = 1–0 2.0 2.83
42 386.6 NH2CHO 42 386.062 20,2–10,1 3.1 4.64
42 416.0 H76γ 42 414.088
42 432.7 He76γ 42 431.374
42 451.3 AA-CH3OCH3 42 450.801 164,13–155,10 146.5 0.07
42 453.5 EE-CH3OCH3 42 453.197 164,13–155,10 146.5 0.07
42 571.4 H114λ 42 569.587
42 602.2 HC5N 42 602.153 J = 16–15 17.4 8.18
42 673.9 HCS+ 42 674.195 J = 1–0 2.0 1.16
42 675.3 CH3CH2CN 42 674.211 111,10–110,11 30.2 0.47
42 734.0 U
42 804.5 U
42 808.0 U
42 818.9 SiO v = 2 42 820.586 J = 1–0 3523.4 3.00
42 821.8 SiO v = 2 42 820.586 J = 1–0 3523.4 3.00
42 846.7 H99η 42 845.810
42 881.2 H83δ 42 879.802
29SiO 42 879.947 J = 1–0 2.1 2.94
42 953.7 H53α 42 951.968
42 971.2 He53α 42 969.471
42 973.3 C53α 42 973.396
42 987.7 H89ϵ 42 985.692
43 016.4 SO2 43 016.275 192,18–183,15 182.6 0.12
43 042.4 NH2D 43 042.276 31,3–30,3ν = 1–0 94.5 1.34
43 066.8 H103θ 43 064.750
43 120.7 SiO v = 1 43 122.073 J = 1–0 1771.3 3.02
43 123.6 SiO v = 1 43 122.073 J = 1–0 1771.3 3.02
43 178.6 SO2 43 178.167 232,22-223,19 259.9 0.08
43 289.5 AA-CH3COCH3 43 289.395 1310,3-139,4 77.8 2.10
43 317.0 H94ζ 43 314.754
43 397.6 O-CH2OCH2 43 397.471 86,2–85,3 78.3 1.25
43 404.2 H110κ 43 402.880
43 423.2 SiO 43 423.852 J = 1–0 2.1 3.05
43 425.3 SiO 43 423.852 J = 1–0 2.1 3.05
43 447.4 AE-CH3OCH3 43 446.471 61,5–60,6 21.1 0.51
EA-CH3OCH3 43 446.471 61,5–60,6 21.1 0.51
EE-CH3OCH3 43 447.541 61,5–60,6 21.1 0.51
AA-CH3OCH3 43 448.612 61,5–60,6 21.1 0.51
43 517.0 CH3CH2CN 43 516.196 51,5–41,4 7.4 6.20
43 564.6 CH3CH2CN ν13/ν21 43 563.724 51,5–41,4ν = 3–3 313.5 11.1
CH3CH2CN ν13/ν21 43 563.927 51,4–41,3ν = 5–5 313.5 11.1
43 607.8 CH3CH2CN ν13/ν21 43 606.667 51,5–41,4ν = 0–0 304.4 11.3
CH3CH2CN ν13/ν21 43 606.681 51,4–41,3ν = 2–2 304.4 11.3
43 620.1 34SO2 43 619.944 93,7–102,8 62.6 0.19
43 689.7 EE-CH3OCH3 43 689.344 164,12-155,11 146 .5 0.08
43 750.7 H66β 43 748 .951
43 768.8 He66β 43 766.779
C66β 43 770.779
43 798.9 HNCO 43 799.014 21,2–11,1 46.4 0.74
43 829.4 E-CH3OCOH 43 829.202 9−2,7–9−1,8 29.6 0.17
43 845 .0 EE-CH3COCH3 43 844.921 1811,7–1810,8 139.3 2.95
43 851.6 A-CH3OCOH 43 851.298 92,7–91,8 30.2 0.17
43 894.9 U
43 907.3 U
43 954.7 NH2CHO 43 954.458 21,1–11,0 6.1 3.88
43 963.0 HNCO 43 963.039 20,2–10,1 3.2 1.02
44 013.4 H106ι 44 011.477
44 053.0 SO2 44 052.873 62,4–71,7 29.2 0.16
44 069.1 A-CH3OH 44 069.367 70,1–61,1 65.0 0.20
44 084.0 H13CCCN 44 084.162 J = 5–4 6.3 0.63
44 101.5 H75γ 44 100.093
44 120.3 HNCO 44 119.876 21,1–11,0 46.5 0.76
He75γ 44 118.066
44 127.7 H98η 44 126.746
44 226.1 34SO2 44 226.222 103,7–112,10 71.9 0.19
44 294.7 E-13CH3OH 44 294.420 10−1,10–9−2,8 122.2 0.12
44 299.8 H102θ 44 297.448
44 431.8 H82δ 44 430.706
H88ϵ 44 427.913
44 531.5 EE-CH3COCH3 44 531.376 148,6–147,7 84.7 2.62
44 560.2 H109κ 44 558.084
44 597.8 CH3CH2CN 44 596.990 50,5–40,4 6.4 6.95
44 631.0 CH3CH2CN ν13/ν21 44 630.164 50,5–40,4ν = 3–3 312.5 12.5
CH3CH2CN ν13/ν21 44 630.42 6 50,5–40,4ν = 5–5 312.5 12.5
44 661.6 CH3CH2CN ν13/ν21 44 660.925 50,5–40,4ν = 2–2 303.5 12.6
CH3CH2CN ν13/ν21 44 660.940 50,5–40,4ν = 0–0 303.5 12.6
44 686.3 H93ζ 44 684.278
44 730.5 CH3CH2CN 44 730.269 52,4–42,3 10.9 5.90
44 769.7 CH3CH2CN 44 768.914 54,2–44,1 24.2 2.53
CH3CH2CN 44 768.918 54,1–44,0 24.2 2.53
44 776.0 CH3CH2CN 44 775.379 53,2–43,1 16.5 4.51
44 789.8 H112λ 44 787.091
44 793.5 CH3CH2CN ν13/ν21 44 792.650 51,5–41,4ν = 1–1 307.6 10.6
CH3CH2CN ν13/ν21 44 792.678 52,4–42,3ν = 0–0 307.6 10.6
CH3CH2CN ν13/ν21 44 794.103 53,3–43,2ν = 3–3 323.4 7.88
CH3CH2CN ν13/ν21 44 794.847 53,3–43,2ν = 4–4 323.4 7.88
CH3CH2CN ν13/ν21 44 795.002 53,2–43,1ν = 5–5 323.4 7.88
CH3CH2CN ν13/ν21 44 795.284 53,2–43,1ν = 3–3 323.4 7.88
44 832.3 CH3CH2CN ν13/ν21 44 830.148 53,3–43,2ν = 1–1 312.8 7.64
CH3CH2CN ν13/ν21 44 830.257 53,2–43,1ν = 0–0 312.8 7.99
CH3CH2CN ν13/ν21 44 831.290 54,2–44,1ν = 1–1 320.0 4.44
CH3CH2CN ν13/ν21 44 831.336 54,1–44,0ν = 2–2 320.0 4.44
CH3CH2CN ν13/ν21 44 831.357 54,2–44,1ν = 0–0 320.0 4.23
CH3CH2CN ν13/ν21 44 831.365 54,1–44,0ν = 0–0 320.0 4.23
44 878.6 CH3CH2CN 44 878.102 52,3–22,2 10.9 5.95
44 956.1 E-CH3OH νt = 1 44 955.794 JK = 20–31 307.5 0.38
45 071.4 A-CH3OCOH νt = 1 45 071.299 41,4–31,3 194.5 1.17
45 102.9 U
45 221.1 E-CH3OCOH νt = 1 45 221.427 41,4–31,3 193.7 1.19
45 233.5 H105ι 45 231.074
EE-CH3COCH3 45 233.560 32,2–21,1 4.5 2.20
45 264.7 HC5N 45 264.720 J = 17–16 19.6 9.83
45 297.1 HC13CCN 45 297.335 J = 5–4 6.5 6.85
45 301.9 HCC13CN 45 301.707 J = 5–4 6.5 6.85
45 306.6 EE-CH3COCH3 45 306.662 94,5–93,6 34.6 2.03
45 325.4 CH3NH2 45 324.879 141,4–140,5 225.4 1.08
45 379.5 CCS 45 379.027 NJ = 34–23 5.4 3.91
45 395.6 E-CH3OCOH 45 395.802 41,4–31,3 5.5 1.20
45 397.8 A-CH3OCOH 45 397.360 41,4–31,3 6.1 1.20
45 455.5 H52α 45 453.719
45 474.3 He52α 45 472.241
45 478.3 C52α 45 476.395
45 490.1 HC3N 45 490.311 J = 5–4 6.5 6.94
45 565.8 HC3N ν6 = 1 45 564.962 JL = 5-1-4-1 724.3 4.80
45 579.4 H101θ 45 577.669
45 602.8 HC3N ν7 = 1 45 602.171 JL = 5-1–4-1 326.6 6.67
HC3N ν6 = 1 45 600.785 JL = 51–41 724.3 4.80
45 668.0 HC3N ν7 = 1 45 667.549 JL = 51–41 326.6 6.70
45 758.5 H108κ 45 754.676
45 770.4 H65β 45 768.445
45 781.5 HC3N ν7 = 2 45 778.894 JL = 5-2–4-2 652.5 5.88
HC3N ν7 = 2 45 779.070 JL = 50–40 649.3 7.00
HC3N ν7 = 2 45 779.197 JL = 52–42 652.5 5.88
U
45 788.8 He65β 45 787.095
45 818.2 A-CH3OH 45 818.114 101,−1–101,1 143.3 0.008
U
45 843.8 E-CH3OH 45 843.554 JK = 93–102 144.3 0.16
45 879.0 H74γ 45 876.667
45 897.6 He74γ 45 895.364
45 910.5 CH3CH2CN 45 909.515 51,4–41,3 7.7 7.28
45 920.6 EE-CH3COCH3 45 920.479 129,4–128,5 65.9 2.32
o-H213CO 45 920.058 41,3–41,4 31.9 0.31
45 923.8 CH3CH2CN ν13/ν21 45 922.352 51,4–41,3ν = 3–3 313.8 13.0
CH3CH2CN ν13/ν21 45 922.766 51,5–41,4ν = 4–4 313.8 13.0
45 937.5 H87ϵ 45 935.392
46 016.7 A-CH3OCOH 46 017.032 71,6–70,7 17.9 0.11
46 059.5 H81δ 46 057.331
46 077.5 He81δ 46 076.099
46 115.6 H92ζ 46 112.177
46 225.2 U
46 245.3 C3S 46 245.623 J = 8–7 10.0 0.74
46 247.5 13CS 46 247.563 J = 1–0 2.2 1.47 
46 251.1 EE-CH3COCH3 46 251.002 117,5–116,6 53.1 2.56
46 267.1 CH2CHCN 46 266.935 51,5–41,4 8.8 7.34
46 346.9 U
46 387.9 U
46 476.5 U
46 484.9 U
46 552.9 EE-CH3COCH3 46 552.825 83,5–82,6 26.7 1.88
U
46 855.5 CH3CH2CN 46 855.211 121,11–120,12 35.4 0.58
46 955.6 EE-CH3COCH3 46 955.561 128,5–127,6 63.7 2.79
46 997.5 H107κ 46 994.530
47 002.7 34SO2 47 002.372 213,19–204,16 233.5 0.23
47 087.5 U
47 089.7 U
47 095.0 p-CH2OCH2 47 094.971 44,1–43,2 21.5 0.75
47 157.2 A-CH3OCOH νt = 1 47 157.098 40,4–30,3 194.1 1.42 
47 205.4 A-13CH3OH 47 205.210 10,1–00,0 2.3 0.27
47 209.8 E-13CH3OH 47 209.550 10,1–00,0 7.5 0.27
47 249.3 E-CH3OCOH νt = 1 47 249.447 40,4–30,3 193.3 1.43
47 277.1 U
47 293.7 34SO2 47 293.169 212,20–203,17 218.6 0.12
47 355.0 CH2CHCN 47 354.650 50,5–40,4 6.8 8.20
47 374.7 AA-CH3OCH3 47 374.428 133,10–124,9 95.8 1.05
47 378.3 EE-CH3OCH3 47 377.890 133,10–124,9 95.8 1.05
47 381.5 AE-CH3OCH3 47 381.058 133,10–124,9 95.8 1.05
EA-CH3OCH3 47 381.643  133,10–124,9 95.8 1.05
47 420.4 CH2CHCN 47 419.796 52,4–42,3 15.5 6.92
47 445.0 CH2CHCN 47 443.883 53,2–43,1 26.3 5.28
47 549.6 U
47 462.4 OC34S 47 462.353 J = 4–3 5.7 0.28
47 490.2 CH2CHCN 47 489.231 52,3–42,2 15.5 6.95
47 513.8 H86ϵ 47 511.871
47 534.3 E-CH3OCOH 47 534.116 40,4–30,3 5.2 1.46
47 537.1 A-CH3OCOH 47 536.905 40,4–30,3 5.8 1.46
47 557.0 p-CH2OCH2 47 556.913 55,0–54,1 33.5 0.75
47 603.2 H91ζ 47 601.583
47 658.9 U
47 661.0 SO2 47 660.621 315,27–306,24 519.0 0.26
47 675.0 EA-CH3OCH3 47 674.049 11,1–00,0 2.3 0.56
AE-CH3OCH3 47 674.066 11,1–00,0 2.3 0.56
EE-CH3OCH3 47 674.958 11,1–00,0 2.3 0.56
AA-CH3OCH3 47 675.858 11,1–00,0 2.3 0.56
47 752.4 H73γ 47 749.977
47 766.4 H80δ 47 764.347
47 785.9 He80δ 47 783.813
47 793.7 AA-CH3OCH3 47 793.664 91,9–82,6 40.9 0.07
47 796.5 EE-CH3OCH3 47 796.327 91,9–82,6 40.9 0.07
47 810.4 H103ι 47 808.933
47 913.6 SO2 47 913.427 142,12–133,11 108.1 0.28
H64β 47 914.182
47 927.2 HC5N 47 927.274 J = 18–17 21.9 11.7
47 935.6 He64β 47 933.707
48 001.7 33SO2 48 002.505 103,7–112,10 72.3 0.25
48 071.9 E-CH3OCOH 48 072.207 18−4,14–184,15 113.8 0.10
48 120.9 SO2 48 120.430 212,20-203,17 219.5 0.14
48 155.4 H51α 48 153.597
48 175.0 He51α 48 173.219
48 178.8 C51α 48 177.620
48 206.7 C34S 48 206.942 J = 1–0 2.3 1.67
48 247.5 E-CH3OH νt = 1 48 247.571 JK = 10–00 302.9 0.35
48 257.2 A-CH3OH νt = 1 48 257.310 10,1–00,1 426.0 0.35
48 284.4 o-H2CO 48 284.513 41,3–41,4 32.7 0.36
48 291.8 H95η 48 289.787
H99θ 48 290.070
48 372.4 A-CH3OH 48 372.460 10,1–00,1 2.3 0.36
48 377.2 E-CH3OH 48 376.887 JK = 10–00 7.5 0.36
48 496.0 O13CS 48 495.061 J = 4–3 5.8 0.30
48 529.7 E-13CH3OH 48 529.770 7−2,6–8−1,8 81.6 0.17
48 553.3 CH2CHCN 48 552.564 51,4–41,3 9.2 8.49
48 586.0 C33S 48 586.506 J = 1–0 2.3 1.71
48 589.0 EE-CH3COCH3 48 588.915 137,6–136,7 72.6 3.09
48 618.8 p-H2CO 48 617.998 112,9–112,10 279.7 0.21
48 630.7 A-CH3OCOH νt = 1 48 630.383 43,2–33,1 200.2 0.69
48 651.8 OCS 48 651.604 J = 4–3 5.8 0.30
48 670.2 A-CH3OCOH νt = 1 48 669.924 43,1–33,0 200.2 0.69
48 708.3 E-CH3OH νt = 1 48 708.074 JK = 213–224 950.7 0.58
48 766.9 A-CH3OCOH 48 766.974 42,3–32,2 8.5 1.19
48 768.4 E-CH3OCOH 48 768.254 42,3–32,2 7.9 1.19
48 901.8 AE-CH3OCH3 48 900.278 71,6–70,7 27.6 0.68
EA-CH3OCH3 48 900.278 71,6–70,7 27.6 0.68
EE-CH3OCH3 48 901.416 71,6–70,7 27.6 0.68
AA-CH3OCH3 48 902.554 71,6–70,7 27.6 0.68
48 991.1 CS 48 990.957 J = 1–0 2.4 1.75
49 001.3 o-CH2OCH2 49 000.973 32,2–31,3 11.8 0.73
A-CH3OCOH νt = 1 49 000.801 102,8–101,9 224.4 0.22
49 028.5 E-CH3OCOH νt = 1 49 028.893 42,3–32,2 196.0 1.20
49 134.7 A-CH3OCOH 49 134.613 43,2–33,1 11.9 0.71
49 151.5 E-CH3OCOH 49 151.621 43,2–33,1 11.3 0.70
49 155.8 E-CH3OCOH 49 155.295 4−3,1–3−3,0 11.3 0.70
49 158.2 H90ζ 49 155.858
49 163.1 H85ϵ 49 161.342
49 173.7 H102ι 49 171.605
49 180.0 A-CH3OCOH 49 180.088 43,1–33,0 11.9 0.72
49 187.1 E-CH3OCOH νt = 1 49 186.907 42,2–32,1 196.3 1.22
49 199.1 U
49 215.9 o-CH2OCH2 49 216.009 85,3–84,4 76.2 1.72
49 461.9 AA-CH3OCH3 49 461.106 40,4–31,3 9.1 0.36
EE-CH3OCH3 49 461.858 40,4–31,3 9.1 0.36
AE-CH3OCH3 49 462.609 40,4–31,3 9.1 0.36
EA-CH3OCH3 49 462.612 40,4–31,3 9.1 0.36
49 509.3 A-CH3OCOH νt = 1 49 508.993 42,2–32,1 197.0 1.25
49 533.1 o-CH2OCH2 49 533.149 107,3–106,4 118.2 1.98
49 558.7 H79δ 49 556.792
49 729.3 H72γ 49 726.698
49 765.7 U
49 962.9 NH2D 49 962.831 21,2–20,2ν = 0–1 50.1 16.3

Notes.

(†)

Observed frequency in red means that the line is below 3σ (see Fig. A.1).

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