Investigation of the rotational spectrum of CH3 17OH and its tentative detection toward Sagittarius B2(N)

Open Access

Fig. 5

Section of the millimeter-wave spectrum of CH₃¹⁷OH displaying intertorsional transitions of A symmetry. Part a) shows the $v_{t} = 1 \leftarrow 0, J_{K_{a}} = 24_{4} \leftarrow 25_{9}$ $\[v_{\mathrm{t}}=1 \leftarrow 0,~J_{K_a}=24_4 \leftarrow 25_9\]$ transitions with resolved asymmetry splitting. Part b) shows the $v_{t} = 0 \leftarrow 1, J_{K_{a}} = 26_{9} \leftarrow 25_{6}$ $\[v_{\mathrm{t}}=0 \leftarrow 1, ~J_{K_a}=26_9 \leftarrow 25_6\]$ transitions with unresolved asymmetry splitting, but partly resolved HFS splitting.

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