Table 2
Column densities of detected species and upper limits of non-detection towards the offset position from IRAS 16293B.
| Species | Tex (K) | Ntot (cm−2) | Ref. |
|---|---|---|---|
| C2H3CHO | 125 ± 25 | 3.4 ± 0.7 × 1014 | 1 |
| C3H6 | 75 ± 15 | 4.2 ± 0.8 × 1016 | 1 |
| HCCCHO | 100(a) | <5.0 × 1014 | 1 |
| n-C3H7OH | 100(a) | <3.0 × 1015 | 1, 2 |
| i-C3H7OH | 100(a) | <3.0 × 1015 | 1, 2 |
| C3O | 100(a) | <2.0 × 1013 | 1 |
| cis-HC(O)CHO | 100(a) | <5.0 × 1013 | 1 |
| C3H8 | 100(a) | <8.0 × 1016 | 1 |
| CH3CCH | 100 ± 20 | 1.1 ± 0.2 × 1016 | 3 |
| C2H5CHO | 125 ± 25 | 2.2 ± 1.1 × 1015 (†) | 4 |
| CH3CHO | 125 ± 25 | 7.0 ± 3.5 × 1016 (†) | 4 |
| CH3COCH3 | 125 ± 25 | 1.7 ± 0.8 × 1016 (†) | 4 |
| C2H5OCH3 | 100 ± 20 | 1.8 ± 0.2 × 1016 (†) | 5 |
Notes. (†) The authors chose a conservative estimation of the relative uncertainty on the column density of 50%. (a) The excitation temperature is fixed to the mean excitation temperature of C2 H3CHO and C3 H6 and consistent with the excitation temperature of CH3 CCH (Calcutt et al. 2019).
References. (1) This work; (2) Qasim et al. (2019); (3) Calcutt et al. (2019); (4) Lykke et al. (2017); (5) Manigand et al. (2020).
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