Table 3
Observed and simulated abundances in L483.
| Species | Observations(1) | Simulations(1,2) |
|---|---|---|
| CN | 5.51(−09)(a) | 4.13(−08) |
| CS | 2.89(−09)(a) | 8.20(−09) |
| SO | 5.00(−09)(a) | 6.44(−09) |
| SiO | 6.50(−12)(a) | 3.71(−10) |
| HCN | 2.97(−09)(a) | 7.29(−08) |
| HNC | 5.95(−09)(a) | 3.13(−08) |
| HCO+ | 7.53(−09)(a) | 1.29(−08) |
| CCH | 1.28(−08)(a) | 3.95(−08) |
| CCS | 1.22(−10)(a) | 6.53(−10) |
| HNCO | 1.77(−09)(b) | 6.05(−08) |
| c-C3H2 | 5.25(−09)(a) | 1.11(−08) |
| CH3OH | 7.31(−09)(a) | 9.66(−09) |
| CH3CHO | 3.60(−10)(b) | 2.81(−10) |
| HCOOCH3 | 1.07(−08)(b) | 8.03(−09) |
| SO2 | 5.88(−03)(c) | 4.43(−04) |
| H2CS | 1.18(−03)(c) | 8.20(−03) |
| HC3N | 2.94(−02)(c) | 1.45(−02) |
| NH2CHO | 5.88(−04)(c) | 1.30(−02) |
| CH3OCH3 | 4.71(−03)(c) | 3.79(−02) |
| CH3CH2OH | 5.88(−03)(c) | 4.70(−05) |
Notes. (1)A(B) = A×10B. (a)The fractional abundance relative to H2 is from Agúndez et al. (2019), and the spatial resolution is ~5000 AU. (b)The fractional abundance relative to H2 is from Oya et al. (2017), and the spatial resolution is ~100 AU. (c) The fractional abundance relative to CH3OH is from Jacobsen et al. (2019), and the spatial resolution is ~20 AU. (2)The simulated beam-average fractional abundances have already been smoothed to their respective spatial resolutions. Boldface indicates a disagreement of more than one order of magnitude between the observed and modeled value.
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