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Table 6
Spectroscopic properties of CH3CONH2 lines detected in PRIMOS toward Sgr B2(LMH).
| Transitions | Symm. | Frequency | Eup | Sijμ2 | Transition | |
|---|---|---|---|---|---|---|
 |
F′−F″ | (MHz) | (K) | (D2) | type | |
| 1(1,0) – 1(0,1) | F = 1–1 | A | 6357.895(8) | 0.9988 | 1.595 | bQ1,−1 |
| F = 1–2 | A | 6358.472(7) | 0.9988 | 2.658 | ||
| F = 2–1 | A | 6359.078(6) | 0.9989 | 2.657 | ||
| F = 1–0 | A | 6359.338(8) | 0.9988 | 2.126 | ||
| F = 2–2 | A | 6359.656(5) | 0.9989 | 7.973 | ||
| F = 0–1 | A | 6360.853(8) | 0.9990 | 2.125 | ||
| 2(1,1) - 1(1,0) | E | 9050.672(1) | 8.8659 | 4.154 | aP0,1 | |
| 2(2,0) – 2(1,1) | F = 2–1 | A | 9252.990(7) | 3.0293 | 1.247 | bQ1,−1 |
| F = 2–3 | A | 9253.351(6) | 3.0293 | 1.294 | ||
| F = 2–2 | A | 9254.000(6) | 3.0293 | 5.771 | ||
| F = 3–3 | A | 9254.535(4) | 3.0293 | 10.339 | ||
| F = 1–1 | A | 9254.833(6) | 3.0294 | 3.738 | ||
| F = 3–2 | A | 9255.185(6) | 3.0293 | 1.293 | ||
| F = 1–2 | A | 9255.843(7) | 3.0294 | 1.246 | ||
| 1(1,1) - 1(0,1) | E | 13 388.703(1) | 7.4374 | 7.644 | aQ1,0 | |
| 4(3,1) – 4(2,2) | F = 4–3 | A | 14 209.211(10) | 9.3165 | 0.749 | bQ1,−1 |
| F = 4–5 | A | 14 209.393(9) | 9.3165 | 0.753 | ||
| F = 4–4 | A | 14 210.101(7) | 9.3165 | 13.901 | ||
| F = 5–5 | A | 14 210.440(7) | 9.3165 | 18.072 | ||
| F = 3–3 | A | 14 210.527(7) | 9.3165 | 11.233 | ||
| F = 5–4 | A | 14 211.147(9) | 9.3165 | 0.753 | ||
| F = 3–4 | A | 14 211.416(10) | 9.3165 | 0.749 | ||
| 3(3,0) – 3(2,1) | A | 14 441.706(1) | 6.1401 | 24.436 | bQ1,−1 | |
| 2(1,2) – 1(1,1) | E | 14 651.890(1) | 8.1405 | 11.226 | aP0,1 | |
| 3(1,2) – 3(1,3) | E | 14 960.874(1) | 10.4612 | 4.369 | aQ0,−1 | |
| 2(1,1) – 2(1,2) | E | 15 115.748(1) | 8.8659 | 13.673 | aQ0,−1 | |
| 4(3,2) – 4(2,2) | E | 18 507.373(2) | 15.0377 | 23.916 | bQ1,0 | |
| 6(4,2) – 6(3,3) | A | 19 422.841(1) | 19.0778 | 65.746 | bQ1,−1 | |
| 5(3,2) – 5(2,3) | A | 19 463.627(1) | 13.3666 | 49.517 | bQ1,−1 | |
| 3(2,1) – 3(2,2) | E | 20 686.104(1) | 12.0580 | 23.052 | aQ0,−1 | |
| 2(2,1) – 2(1,1) | E | 20 891.602(1) | 9.8686 | 16.739 | bQ1,0 | |
| 4(2,2) – 4(1,3) | A | 21 362.137(1) | 8.6346 | 30.887 | bQ1,−1 | |
| 4(4,0) – 4(3,1) | A | 21 762.725(2) | 10.3609 | 22.240 | bQ1,−1 | |
| 2(0,2) – 1(0,1) | E | 22 095.527(1) | 7.8551 | 18.829 | aP0,1 | |
| 3(3,1) – 3(2,2) | A | 22 769.640(1) | 6.0783 | 16.040 | bQ1,−1 | |
| 6(5,1) – 6(4,2) | A | 25 149.383(2) | 20.2848 | 45.460 | bQ1,−1 | |
| 4(3,1) – 4(3,2) | E | 26 196.049(1) | 16.2949 | 30.516 | aQ0,−1 | |
Notes. CH3CONH2 rest frequencies from Ilyushin (2004) and F. J. Lovas, priv. comm. Uncertainties in parentheses refer to the least significant digit and are 2σ values (type A coverage) (Taylor & Kuyatt 1994).
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