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Table 3
Two-component analysis of methyl formate transitions observed with the IRAM Plateau de Bure Interferometer toward position MF1 in the Compact Ridge.
| Frequency | Transition | E up | Sμ 2 | sigma | Component 1 | Component 2 | ||||||
| v 1 | (Δv1/2)1 | T B1 | W 1 | v 2 | (Δv1/2)2 | T B2 | W 2 | |||||
| (MHz) | (K) | (D2) | (K) | (km s-1) | (km s-1) | (K) | (K km s-1) | (km s-1) | (km s-1) | (K) | (K km s-1) | |
|
|
||||||||||||
| 203 435.554 | 198,11−197,12 A | 155 | 5.3 | 0.09 | 7.6(0.9) | 1.6(0.9) | 6.40 | 10.6(1.6) | 9.3(0.9) | 2.2(0.9) | 0.88 | 2.1(1.6) |
| 203 471.840 | 198,11−197,12 E | 155 | 4.9 | 0.09 | 7.5(0.1) | 1.6(0.1) | 5.28 | 9.2(2.0) | 9.0(0.7) | 3.1(1.0) | 1.29 | 4.3(2.2) |
| 223 465.340 | 114,8−103,7 E | 50 | 2.1 | 0.17 | 7.6(0.1) | 2.0(0.2) | 10.74 | 22.5(1.9) | 9.5(0.2) | 1.5(0.3) | 3.17 | 5.0(1.7) |
| 223 500.463 | 114,8−103,7 A | 50 | 1.8 | 0.17 | 7.4(0.1) | 1.8(0.1) | 11.49 | 21.8(1.7) | 9.2(0.3) | 1.9(0.4) | 2.85 | 5.8(1.2) |
| 223 534.727 | 185,14−175,13 E, (vt = 1) | 305 | 41.6 | 0.17 | 7.4(0.1) | 1.7(0.1) | 10.25 | 18.5(0.8) | 8.9(0.1) | 2.9(0.2) | 4.16 | 13.0(8.2) |
| 225 855.505 | 66,1−55,1 E | 36 | 3.1 | 0.10 | 7.6(0.1) | 1.2(0.1) | 6.84 | 9.1(0.1) | 9.2(0.1) | 1.1(0.1) | 2.56 | 2.9(0.1) |
| 225 999.145 | 307,23−298,22 E | 312 | 2.2 | 0.11 | 7.5(0.1) | 0.9(0.3) | 0.70 | 0.6(0.2) | 9.1(0.1) | 0.8(0.3) | 0.45 | 0.4(0.1) |
Notes. For the definition of the parameters see Table 10.
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