CHemical Evolution in MassIve star-forming COres (CHEMICO) - I. Evolution of the temperature structure

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Table 4

Rotational lines of HC₃N observable in the four EMIR bands.

Rest freq. ^a (GHz)	J_u − J₁	$S μ_{u l}^{2}$ $\[S \mu_{u l}^2\]$ ^a (Dy²)	E_u ^a (K)	A_ul ^a (s⁻¹)	HMSC	HMPO	UCHII
72.7823	8–7	111	15.7	2.9e-05	Y	^_b	Y
81.8815	9–8	125	19.6	4.2e-05 4.2e-05	Y	Y	Y
90.9790	10–9	139	24.0	4.2e-05	Y	Y	Y
100.0764	11–10	153	28.8	7.7e-05	Y	Y	Y
109.1736	12–11	166	34.1	0.00010	Y	Y	Y
127.3677	14–13	194	45.8	0.00016	N	Y	Y
136.4644	15–14	208	52.4	0.00020	N	Y	Y
145.5610	16–15	222	59.4	0.00024	N	Y	Y
154.6573	17–16	236	66.8	0.00029	N	Y	Y
163.7534	18–17	250	74.7	0.00034	N	Y	Y
172.8493	19–18	264	83.0	0.00041	N	Y	Y
181.9449	20–19	277	91.7	0.00047	N	Y	−
209.2302	23–22	319	120.5	0.00072	N	Y	Y
218.3248	24–23	333	131.0	0.00082	N	Y	Y
227.4189	25–24	347	141.9	0.00093	N	Y	Y
236.5128	26–25	361	153.2	0.00105	N	Y	Y
245.6063	27–26	374	165.0	0.00117	N	Y	Y
254.6995	28–27	388	177.3	0.00131	N	Y	Y
263.7923	29–28	402	189.9	0.00146	N	Y	Y
272.8847	30–29	416	203.0	0.00161	N	Y	Y
291.0684	32–31	444	230.5	0.00196	−	Y	−
300.1597	33–32	458	244.9	0.00215	−	Y	−
309.2504	34–33	472	259.8	0.00235	−	Y	−
318.3408	35–34	485	275.0	0.00257	−	Y	−
327.4307	36–35	499	290.8	0.00279	−	Y	−
336.5201	37–36	513	306.9	0.00304	−	Y	−
345.6090	38–37	527	323.5	0.00329	−	Y	−

Notes. In the last three columns, Y and N indicate transitions detected or undetected, respectively, in each core.^(a) From the CDMS catalogue.^(b) Not observed.

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