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Table A.4

CH3CN ν8 = 1 (Evib = 525.17 K) line parameters.

N 1 Quantum numbers: up-low2 ν (MHz) ERu (K)3 Aul (s-1)4 S ij 5 gu 6 W (K km s-1)7
1 12 8 1 12 11 8 1 11 221 059.437 637.3 1.906E-03 24.6 25 3.63(1.57)
1 12 8 1 13 11 8 1 12 221 059.797 637.3 1.923E-03 26.8 27
1 12 8 1 11 11 8 1 10 221 059.828 637.3 1.904E-03 22.6 23
2 12 –1 2 11 11 1 2 10 221 199.140 68.1 1.705E-03 20.2 23 17.62(8.89) Blended with CH3OCH3
2 12 –1 2 12 11 1 2 11 221 199.140 68.1 1.708E-03 22.0 25
2 12 –1 2 13 11 1 2 12 221 199.156 68.1 1.718E-03 23.9 27
3 12 8 2 12 11 8 2 11 221 209.781 423.9 9.551E-04 12.3 25 2.72 (2.0)
3 12 8 2 13 11 8 2 12 221 210.140 423.9 9.634E-04 13.4 27
3 12 8 2 11 11 8 2 10 221 210.172 423.9 9.537E-04 11.3 23
4 12 5 1 12 11 5 1 11 221 252.937 319.3 2.844E-03 36.6 25 5.65(2.27)
4 12 5 1 13 11 5 1 12 221 252.937 319.3 2.863E-03 39.8 27
4 12 5 1 11 11 5 1 10 221 252.937 319.3 2.846E-03 33.7 23
5 12 7 2 12 11 7 2 11 221 265.547 330.5 2.269E-03 29.2 25 19.98(2.08) Blended with CH3OCHO
5 12 7 2 13 11 7 2 12 221 265.547 330.5 2.288E-03 31.8 27
5 12 7 2 11 11 7 2 10 221 265.547 330.5 2.272E-03 26.9 23
6 12 4 1 12 11 4 1 11 221 299.875 241.8 1.532E-03 19.7 25 4.19(4.0) Blended with CH3OCHO
6 12 4 1 13 11 4 1 12 221 299.875 241.8 1.540E-03 21.4 27
6 12 4 1 11 11 4 1 10 221 299.875 241.8 1.529E-03 18.1 23
7 12 6 2 12 11 6 2 11 221 311.953 251.2 1.291E-03 16.6 25 3.35(3.0)
7 12 6 2 13 11 6 2 12 221 311.953 251.2 1.303E-03 18.1 27
7 12 6 2 11 11 6 2 10 221 311.953 251.2 1.293E-03 15.3 23
8 12 3 1 12 11 3 1 11 221 338.218 178.5 1.618E-03 20.8 25 6.28(5.34) Blended with aGg’-(CH2OH)2
8 12 3 1 11 11 3 1 10 221 338.218 178.5 1.615E-03 19.1 23
8 12 3 1 13 11 3 1 12 221 338.218 178.5 1.628E-03 22.6 27
9 12 5 2 12 11 5 2 11 221 350.375 186.1 1.424E-03 18.3 25 4.52(2.42)
9 12 5 2 13 11 5 2 12 221 350.375 186.1 1.433E-03 19.9 27
9 12 5 2 11 11 5 2 10 221 350.375 186.1 1.421E-03 16.8 23
10 12 2 1 12 11 2 1 11 221 367.672 129.5 3.354E-03 43.1 25 9.47(4.30) Blended with A-13CH3OH
10 12 2 1 11 11 2 1 10 221 367.672 129.5 3.349E-03 39.6 23
10 12 2 1 13 11 2 1 12 221 367.672 129.5 3.379E-03 46.9 27
11 12 4 2 12 11 4 2 11 221 380.734 135.3 3.066E-03 39.4 25 16.77(1.81)
11 12 4 2 11 11 4 2 10 221 380.734 135.3 3.062E-03 36.2 23
11 12 4 2 13 11 4 2 12 221 380.734 135.3 3.084E-03 42.8 27
12 12 0 2 11 11 0 2 10 221 394.156 74.3 1.726E-03 20.4 23 18.99(1.15) Blended with CH2DOH
12 12 0 2 12 11 0 2 11 221 394.156 74.3 1.728E-03 22.2 25
12 12 0 2 13 11 0 2 12 221 394.156 74.3 1.737E-03 24.1 27
13 12 3 2 12 11 3 2 11 221 403.812 98.7 1.619E-03 20.8 25 7.49(2.09) Blended
13 12 3 2 11 11 3 2 10 221 403.812 98.7 1.616E-03 19.1 23
13 12 3 2 13 11 3 2 12 221 403.812 98.7 1.629E-03 22.6 27
14 12 2 2 12 11 2 2 11 221 422.375 76.3 1.674E-03 21.5 25 15.61(7.19) Blended with A-13CH3OH
14 12 2 2 11 11 2 2 10 221 422.375 76.3 1.676E-03 19.8 23
14 12 2 2 13 11 2 2 12 221 422.375 76.3 1.687E-03 23.4 27
15 12 1 2 11 11 –1 2 10 221 625.906 68.2 1.715E-03 20.2 23 9.94(2.67)
15 12 1 2 12 11 –1 2 11 221 625.906 68.2 1.718E-03 22.0 25
15 12 1 2 13 11 –1 2 12 221 625.906 68.2 1.728E-03 23.9 27

Notes.Exponential notation: 1.469E-04 = 1.469 × 10-4.

(1)

Index to enumerate the line features in the spectrum (blended lines share the same index).

(2)

Quantum numbers of the upper and lower levels of the transitions.

(3)

Rotational energy of the upper level.

(4)

Einstein coefficient of spontaneous emission.

(5)

Line strength defined as | μij | 2 = Sijμ2 where μ is the dipole moment.

(6)

Degeneracy of the upper level.

(7)

Velocity integrated intensity.

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