Table 3
Methanol deuterium ratios in IRAS 16293-2422.
| D/H (%) | |||
|---|---|---|---|
| 16293A | 16293B | 16293E | |
| CH2DOH/CH3OH | 2.8±1.2 | 2.4±0.5 | 2.1±0.6 |
| CHD2OH/CH3OH | 7.5±1.1 | 7.7±1.2 | 8.5±2.7 |
| 16293A | 16293B | 16293E | |
| CHD2OH/CH2DOH | 20±6.8 | 25±5.0 | 35±15 |
Notes. Statistical corrections applied to the D/H ratio (top two rows) where CH2DOH/CH3OH =3(D/H) and CHD2OH/CH3OH=3(D/H)2 (Appendix C of Drozdovskaya et al. 2022 and Appendix B of Manigand et al. 2019). The values reported here for IRAS 16293B stem from the Band 7 PILS observations (Jørgensen et al. 2018).
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