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Table A.1

Parameters for identified glycolaldehyde and ethylene glycol transitions measured in the Band 3 (3 mm) dataset.

Transition Freq Eup Aul gu I V lsr δv
[GHz] [K] [s-1] [Jy beam-1] [km s-1] [km s-1]
Glycolaldehyde
204,16−203,17 89.6164 130.4 2.00 ×10-5 41 0.062 2.6 1.5
104,7−103,8 89.6441 40.3 1.59 ×10-5 21 0.057 2.5 1.6
84,5−83,6 89.7022 404.1 1.47 ×10-5 17 0.013 2.8 1.8
90,9−81,8 92.8515 304.0 2.67 ×10-5 19 0.022 2.6 1.7
124,9−123,10 92.8539 53.2 1.83 ×10-5 25 0.061 2.5 1.0
256,19−255,20 92.8821 485.9 2.71 ×10-5 51 0.023 2.5 1.7
101,9−92,8 102.5062 406.1 2.12 ×10-5 21 0.013 2.8 1.3
72,6−61,5 102.5498 17.8 1.91 ×10-5 15 0.055 2.7 1.2
143,12−142,13 102.5729 63.6 1.82 ×10-5 29 0.064 2.6 1.3
183,15−182,16 102.6144 104.1 2.29 ×10-5 37 0.073 2.6 1.2
72,6−61,5 102.6690 392.0 1.91 ×10-5 15 0.011 2.8 1.2
100,10−91,9 103.3913 28.3 2.78 ×10-5 21 0.086 2.7 1.2
aG g ′ ethylene glycol
83,5 ν = 1−73,4 ν = 0 89.7082 22.5 1.45 ×10-5 153 0.037 2.7 1.0
367,29 ν = 1−366,30 ν = 1 92.8604 357.3 3.53 ×10-6 657 0.010 2.6 1.7
91,9 ν = 1−81,8 ν = 0 92.9759 21.6 1.80 ×10-5 171 0.049 2.7 1.1
418,33 ν = 0−417,34 ν = 0 102.5189 461.2 4.51 ×10-6 747 0.013 2.9 1.1
92,7 ν = 1−82,6 ν = 0 102.5394 25.0 2.38 ×10-5 133 0.048 2.6 0.90
100,10 ν = 1−90,9 ν = 0 102.6898 26.1 2.63 ×10-5 189 0.068 2.4 1.5
gG g ′ ethylene glycol
96,4 ν = 1−86,3 ν = 0 92.8017 39.5 3.95 ×10-6 171 0.018 2.5 1.3
96,3 ν = 1−86,2 ν = 0 a 92.8017 ... ... 133 ... ... ...
95,5 ν = 1−85,4 ν = 0 b 92.9120 34.2 4.94 ×10-6 171 ... ... ...
95,4 ν = 1−85,3 ν = 0 92.9144 34.2 4.94 ×10-6 133 0.011 2.7 0.87
226,17 ν = 1−225,17 ν = 0 92.9184 141.6 4.12 ×10-6 315 0.011 2.7 0.93
104,7 ν = 1−94,6 ν = 0 103.3723 34.7 8.30 ×10-6 147 0.014 2.4 1.3

Notes.

(a)

Blended with above transition.

(b)

Complete overlap with prominent acetaldehyde (CH3CHO) line; excluded from fit.

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