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Table 4

Mono-deuterated DME observed lines for both conformations.

N(a) σ(b) J′ J′′ Frequency E′ Aij rms δV ΔV TmbΔV Detected
(MHz) (K) (s) (mK) (km s) (mK km s)
obs. mod. 5σ
Symmetric conformer
1 1 7 0 7 6 1 6 23 2.83 × 10-5 5.6 0.55  [−2,8]  30 64 65 no
2 0 7 0 7 6 1 6
3 1 7 2 6 7 1 7 103 200.3 29 2.43 × 10-5 3.7 0.55  [0,7]  0 24 36 no
4 0 7 2 6 7 1 7 103 197.7 29 2.43 × 10-5 3.7 0.55  [0,7]  2 24 36 no
5 1 14 1 13 14 0 14 107 329.6 92 2.03 × 10-5 3.7 0.55  [0,7]  0 5 36 no
6 0 14 1 13 14 0 14 107 331.6 92 2.03 × 10-5 3.7 0.55  [0,7]  12 5 36 no
7 1 8 2 7 8 1 8 107 480.9 36 2.62 × 10-5 3.6 0.55  [0,7]  31 23 35 no
8 0 8 2 7 8 1 8 107 478.3 36 2.62 × 10-5 3.6 0.55  [0,7]  19 23 35 no
9 1 9 1 9 8 0 8 38 1.52 × 10-4 14.2 0.35  [0,6]  269 254 61 yes
10 0 9 1 9 8 0 8
11 1 12 1 12 11 0 11 65 3.05 × 10-4 13.4 0.27  [1,7]  397 283 85 yes
12 0 12 1 12 11 0 11
13 1 13 0 13 12 1 12 75 3.16 × 10-4 8.4 0.27  [0,8]  224 226 62 yes
14 0 13 0 13 12 1 12
15 1 8 2 7 7 1 6 214 777.7 36 1.77 × 10-4 11.1 0.27  [1,4]  200 180 50 yes
16 0 8 2 7 7 1 6 214 779.9 36 1.77 × 10-4 11.1 0.27  [1,4]  412 180 50 yes
Asymmetric conformer
17 1 9 2 8 9 1 9 102 689.8 44 1.04 × 10-5 4.0 0.55  [0,6]  35 18 36 no
18 0 9 2 8 9 1 9 102 691.7 44 1.04 × 10-5 4.0 0.55  [0,6]  26 18 36 no
19 1 10 0 10 9 1 9 108 481.1 53 1.14 × 10-5 4.0 0.55  [0,6]  24 17 36 no
20 0 10 0 10 9 1 9 108 483.0 53 1.14 × 10-5 4.0 0.55  [0,6]  12 17 36 no
21 1 5 1 5 4 0 4 14 1.99 × 10-5 3.7 0.55  [0,8]  100 103 58 yes
22 0 5 1 5 4 0 4
23 1 7 0 7 6 1 6 24 1.85 × 10-5 3.7 0.55  [0,8]  51 93 39 yes
24 0 7 0 7 6 1 6
25 1 9 0 9 8 1 8 39 5.13 × 10-5 7.2 0.40  [1,8]  214 192 60 yes
26 0 9 0 9 8 1 8
27 1 10 0 10 9 1 9 47 7.61 × 10-5 14.4 0.35  [0,6]  153 237 104 yes
28 0 10 0 10 9 1 9
29 1 9 1 9 8 0 8 39 7.94 × 10-5 14.7 0.35  [0,8]  228 288 123 yes
30 0 9 1 9 8 0 8
31 1 12 1 12 11 0 11 67 1.67 × 10-4 10.2 0.27  [0,8]  297 328 75 yes
32 0 12 1 12 11 0 11

Notes. Parameters of the mono-deuterated DME observed lines: δV is the spectral resolution, ΔV is the velocity interval on which the intensities have been integrated for each line. It varies with the frequency and is tuned to minimize the contribution of blending lines from other species (see Fig. 6). The columns “TmbΔV” give the integrated intensities over these ΔV intervals for the observations (obs.), for the model (mod.) and for the 5σ (5σ) detection limit in these intervals (). Lines for which the integrated intensity is greater than 5σ are considered as detected and are presented in Fig. 6 (the in the column “detected” refers to Fig. 6 panels). For lines too close in frequency to be separated, the integrated intensities is given for both lines merged.

(a)

Numbering of the transitions;

(b)

symmetry number: 0(A), 1(E).

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