Dimethyl ether in its ground state, v = 0, and lowest two torsionally excited states, v11 = 1 and v15 = 1, in the high-mass star-forming region G327.3-0.6

Free Access

Table 3

Results of the fits to a selected number of dimethyl ether transitions for both the non-uniform density and temperature LIME models as well as the isothermal myXCLASS models.

T _jump	χ ²	x(CH₃OCH₃)^a
K		w.r.t. H₂

Non-uniform density and temperature model
70	1.73	9 × 10^-8	0.41
80	1.31	1.1 × 10^-7	0.28
85	1.26	1.4 × 10^-7	0.21
90	1.33	1.4 × 10^-7	0.14
100	1.37	2.0 × 10^-7	0
70 and 100	1.32	3 × 10^-8 and 1.4 × 10^-7	0.05

Isothermal model
90	2.08	1.7 × 10^-7	0.14
80 and 100	1.34	5.9 × 10^-8 and 3.0 × 10^-7	0.08

Notes.

^(a)

The abundance in the outermost part of the envelope, where temperatures are below 70 K, is assumed to be 1.0 × 10^-15 with respect to H₂, i.e., negligible.

Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.

Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.

Initial download of the metrics may take a while.