Open Access
Table 2.
Observed line parameters for CH2CHCHS in TMC-1.
| Transition | νcalc | VLSR | Δv | ∫TA*dv | S/N a |
|---|---|---|---|---|---|
| (MHz) | (km s−1) | (km s−1) | (mK km s−1) | (σ) | |
| 61, 6-51, 5 | 32101.116 | 5.79 ± 0.20 | 0.51 ± 0.30 | 0.13 ± 0.07 b | 3.2 |
| 60, 6-50, 5 | 32571.104 | 5.98 ± 0.30 | 0.44 ± 0.30 | 0.15 ± 0.08 b | 3.5 |
| 61, 5-51, 4 | 33065.522 | 5.87 ± 0.11 | 0.75 ± 0.22 | 0.24 ± 0.07 | 5.7 |
| 71, 7-61, 6 | 37449.491 | 5.92 ± 0.15 | 1.02 ± 0.47 | 0.39 ± 0.13 | 8.1 |
| 70, 7-60, 6 | 37992.665 | 5.84 ± 0.13 | 0.55 ± 0.22 | 0.18 ± 0.07 | 4.0 |
| 71, 6-61, 5 | 38574.563 | 5.74 ± 0.09 | 0.76 ± 0.21 | 0.34 ± 0.12 | 7.6 |
| 81, 8-71, 7 | 42797.043 | 5.78 ± 0.10 | 0.49 ± 0.19 | 0.17 ± 0.07 | 3.6 |
| 80, 8-70, 7 | 43411.024 | 5.82 ± 0.11 | 0.83 ± 0.28 | 0.35 ± 0.09 | 6.4 |
| 91, 9-81, 8 | 48143.659 | 5.84 ± 0.09 | 0.48 ± 0.20 | 0.34 ± 0.13 | 4.7 |
Notes. a Signal-to-noise ratio is derived as in Agúndez et al. (2025). b Line is only marginally detected. Intensity is probably reduced due to overlap with a negative frequency-switching artefact.
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