Table 1
Calculated column densities and ratios (deuteration fractions) for the three species.
Name | Type | N(H2CO) | N(HDCO) | N(D2CO) | N(HDCO)/N(H2CO) | N(D2CO)/N(H2CO) | N(D2CO)/N(HDCO) |
(1013 cm-2) | (1013 cm-2) | (1013 cm-2) | |||||
|
|||||||
AFGL5142 | HMSC | 317 (10) | 11 (3) | 3.4 (2) | 0.035 (0.01) | 0.011 (0.01) | 0.31 (0.3) |
IRAS 05358+3543 | HMSC/HMPO | >130 (2) | 13.0 (1.4) | 2.6 (1.7) | <0.10 (0.01) | <0.020 (0.01) | 0.20 (0.2) |
AFGL5142 | HMPO | 40 (2) | 14 (3) | 2.5 (1.6) | 0.34 (0.09) | 0.063 (0.04) | 0.18 (0.15) |
G5.89-0.39 | UCHII | 1740 (170) | 25 (2) | <2 | 0.014 (0.002) | <0.001 | <0.08 |
Notes. The errors for the calculated column density values are the formal fit uncertainties from the least-squares fits performed by MADCUBAIJ. Systematic uncertainties dominate the formal fit uncertainties, see Sect. 3, paragraph 5. Calculated values based on the two velocity components of AFGL5142, corresponding to the previously identified HMSC and HMPO objects by Busquet et al. (2011), are shown separately.
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