Table 3: CH₃C₂H line parameters (IRAM-30 m observations).
Line rms $v_{\rm LSR}$ $\Delta v_{1/2}$ $\int T_{\rm MB}{\rm d}v$ (K km s^-1)

(K) (km s^-1) (km s^-1) K=0 1 2 3

CH₃C₂H (6-5) 0.011 -50.3 2.48 0.37 0.29 0.13 0.07

CH₃C₂H (8-7) 0.024 -50.5 2.64 0.41 0.40 0.22 0.13

CH₃C₂H(13-12) 0.032 -50.5 2.57 0.75 0.71 0.41 0.30

**Table 3:** CH₃C₂H line parameters (IRAM-30 m observations).
Line	rms	$v_{\rm LSR}$	$\Delta v_{1/2}$	$\int T_{\rm MB}{\rm d}v$ (K km s^-1)
	(K)	(km s^-1)	(km s^-1)	K=0	1	2	3
CH₃C₂H (6-5)	0.011	-50.3	2.48	0.37	0.29	0.13	0.07
CH₃C₂H (8-7)	0.024	-50.5	2.64	0.41	0.40	0.22	0.13
CH₃C₂H(13-12)	0.032	-50.5	2.57	0.75	0.71	0.41	0.30

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