Looking for evidence of high-mass star formation at core scale in a massive molecular clump

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Table 4

Molecules and transitions shown in Fig. 6.

Molecule	Transition	Rest freq. (GHz)	E_u (K)
CH₃CN	13(2)–12(2)	239.119	108.9
CH₃CCH	14(2)−13(2)	239.234	115.1
HC₃N	J = 25−24	227.418	141.8
H₂CS	7(3,5)–6(3,4)^(a)	240.392	164.5
CH₃OH	5(l,5)–4(l,4)^(a)	239.746	49.1
HNCO	11(0,11)–10(0,10)^(b,c)	241.774	69.6
CN	N = 2−1 J = 5/2−3/2^(b)
	(F = 5/2−3/2)	226.876	16.3
C³⁴S	J = 5−4	241.016	27.7
HDO	3(1,2)−2(2,1)	225.896	167.2

Notes. ^(a)Partially blended with another transition of the same molecule. ^(b)Several hyperflne transitions blended. ^(c)Partially blended with CH₃OH molecule.

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