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Table 5

Physical parameters of the DME species adopted and derived from the LTE modeling.

Core Vlsr FHWM Size Trot Na Nab Nsc D/H
(km s) (km s) (″) (K) (10 cm) (10 cm) (10 cm) (%)

A 3.8 3.0 1.2 30(±10) 5.0(±2) 2.5 5.0  ~15
B 2.6 1.2 2.0 30(±10) 20.0(±5) 10.0 20.0  ~ 15

Notes. This model is displayed in Fig. 6. The values in parenthesis are 1σ uncertainties.


Column density of DME.


Column density of symmetric conformation of mono-deuterated DME.


Column density of asymmetric conformation of mono-deuterated DME.

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