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This article has an erratum: [https://doi.org/10.1051/0004-6361/202038243e]


Table 3

Tabulated and Gaussian fitting parameters (see Fig. 8) for the K projections of the CH3CN J = 13–12 transition.

K Frequency Eu Sul μ2 Ipeak W
(GHz) (K) (Debye2) (Jy beam−1) (Jy beam−1 km s−1)
0 239.137 80.3 199.1 0.10 0.75
1 239.133 87.5 197.9 0.08 0.63
2 239.119 108.9 194.3 0.07 0.59
3 239.096 144.6 188.5 0.07 0.62

Notes. The central frequency takes into consideration the collapsed hyperfine components for each projection (spacing smaller than channel width).

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