Table 1
Observed line parameters of CHD2CCH and CH2DCCD in L483.
| Transition | Frequency | Δv |  peak |
 |
|---|---|---|---|---|
| (MHz) | (km s−1) | (mK) | (mK km s−1) | |
| CHD2CCH | ||||
| 51,5–41,4 | 76643.616 | 0.47(6) | 12.9 | 6.5(6) |
| 50,5–40,4 | 76979.250 | 0.37(4) | 33.0 | 13.1(11) |
| 51,4–41,3 | 77317.279 | 0.42(5) | 21.5 | 9.7(11) |
| 61,6–51,5 | 91971.307 | 0.29(4) | 17.4 | 5.3(8) |
| 60,6–50,5 | 92372.787 | 0.27(2) | 31.0 | 8.9(7) |
| 61,5–51,4 | 92779.672 | 0.30(6) | 17.4 | 5.6(9) |
| 71,7–61,6 | 107298.386 | 0.30(6) | 13.7 | 4.4(7) |
| 70,7–60,6 | 107765.046 | 0.29(3) | 28.3 | 8.7(9) |
| 71,6–61,5 | 108241.467 | 0.39(7) | 15.5 | 6.5(9) |
| CH2DCCD | ||||
| 51,5–41,4 | 73589.402 | 0.31(5) | 12.5 | 4.2(7) |
| 50,5–40,4 | 73861.275 | 0.35(5) | 24.8 | 9.1(13) |
| 51,4–41,3 | 74133.292 | 0.36(10) | 11.4 | 4.4(11) |
| 61,6–51,5 | 88306.511 | 0.42(9) | 12.0 | 5.4(9) |
| 61,5–51,4 | 88959.161 | 0.36(8) | 15.3 | 5.9(9) |
| 71,7–61,6 | 103023.214 | 0.35(6) | 11.4 | 4.2(6) |
| 70,7–60,6 | 103402.198 | 0.34(3) | 23.6 | 8.5(6) |
| 71,6–61,5 | 103784.607 | 0.41(9) | 8.9 | 3.9(6) |
Notes. Numbers in parentheses are 1σ uncertainties in units of the last digits. Line parameters were derived from a Gaussian fit to the line profile. Observed frequencies are obtained adopting VLSR = 5.30 km s−1 (Agúndez et al. 2019) and have an uncertainty of 20 kHz for all the lines. The full width at half maximum is Δv.
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