Table 1
Observed transitions of trans-MF (A-symmetry substate) detected toward G+0.693 and L1157-B1 that are unblended or slightly blended.
| Frequency (GHz) | Transition  |
log I (nm2 MHz) | Eu (K) | gu | G+0.693 | L1157-B1 | Blending (G+0.693/L1157-B1)(a) |
|---|---|---|---|---|---|---|---|
| 35.8400774 | 41,4–31,3 | −4.6278 | 7.1 | 9 | ✓ | ✗ | 13CH3CH2CN and CH3CHO/ ✗ |
| 36.4828481 | 40,4–30,3 | −4.5803 | 4.3 | 9 | ✓ | ✗ | N–CH3NHCHO/✗ |
| 37.1488320 | 41,3–31,2 | −4.5968 | 7.2 | 9 | ✓ | ✗ | U-line/ ✗ |
| 44.7973533* | 51,5–41,4 | −4.3296 | 9.2 | 11 | ✓ | ✗ | Unblended/ ✗ |
| 45.5930371* | 50,5–40,4 | −4.2927 | 6.5 | 11 | ✓ | ✗ | Unblended/ ✗ |
| 45.6480015* | 52,3–42,2 | −4.3835 | 17.6 | 11 | ✓ | ✗ | U-line/ ✗ |
| 46.4332081* | 51,4–41,3 | −4.2987 | 16.0 | 11 | ✓ | ✗ | Unblended/ ✗ |
| 72.8760742* | 80,8–70,7 | −3.6936 | 12.2 | 17 | ✓ | ✗ | U-line/ ✗ |
| 74.2732762* | 81,7–71,6 | −3.6883 | 18.7 | 17 | ✓ | ✗ | U-line/ |
| 80.6050090* | 91,9–81,8 | −3.5692 | 22.0 | 19 | ✓ | ✓ | Heavily blended/Unblended |
| 81.9500446* | 90,9–80,8 | −3.5459 | 19.5 | 19 | ✓ | ✓ | Unblended/Unblended |
| 83.5475707* | 91,8–81,7 | −3.5390 | 22.7 | 19 | ✓ | ✗ | i-C3H7CN/✗ |
| 89.5499417* | 101,10–91,9 | −3.4369 | 26.3 | 21 | ✓ | ✓ | CH3NH2/Unblended |
| 91.0116435* | 100,10–90,9 | −3.4150 | 23.9 | 21 | ✓ | ✓ | c-C2H418O/Unblended |
| 92.8182813* | 101,9–91,8 | −3.4069 | 27.1 | 21 | ✓ | ✗ | Unblended/ ✗ |
| 98.4914827* | 111,11–101,10 | −3.3186 | 31.0 | 23 | ✓ | ✗ | 33SO, CH334SH/✗ |
| 100.0596405* | 110,11–100,10 | −3.2980 | 28.7 | 23 | ✓ | ✓ | Unblended/Unblended |
| 102.0849526* | 111,10–101,9 | −3.2889 | 32.0 | 23 | ✓ | ✓ | Ga-n-CsH7OH/Unblended |
| 107.4293606* | 121,12–111,11 | −3.2120 | 36.1 | 25 | ✓ | ✓ | Ga-n-C3H7OH/Unblended |
| 109.0928847* | 120,12–110,11 | −3.1924 | 33.9 | 25 | ✓ | ✓ | i-C2H2CHO/Unblended |
| 109.4280533* | 122,11– 112,10 | −3.2181 | 45.0 | 25 | ✓ | ✗ | U-line/ ✗ |
| 109.6747106* | 61,6–50,5 | −4.1351 | 11.7 | 13 | ✓ | ✗ | aGg’-(CH2OH)2/✗ |
| 111.3471110* | 121,11–111,10 | −3.1825 | 37.3 | 25 | ✓ | ✓ | g-C2H5OH/Unblended |
| 134.2185890* | 151,15–141,14 | −2.9458 | 54.0 | 31 | ✓ | ✗ | Ga-n-C3H7OH and 13CH3CHO/✗ |
| 136.0942706* | 150,15–140,14 | −2.9290 | 52.0 | 31 | ✓ | ✗ | Z-HNCHCN |
Notes. (a)”U” refers to blendings with emission from an unknown (not identified) species. Lines that have been observed for the first time in the present astronomical datasets are flagged with an asterisk (*). Transitions that have not been measured toward L1157-B1, either because the frequency range was not covered (e.g., Q-band data) or because the features do not arise within the noise, are flagged with a cross (x).
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