Molecular complexity on disc scales uncovered by ALMA - Chemical composition of the high-mass protostar AFGL 4176

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Table 4

Summary of isotopologues with only blended lines.

Species	N_lines			E_up	A_ij	Catalogue	N_s	T_ex

	Unblended	Blended	Total	(K)	× 10⁻⁵ (s⁻¹)		(cm⁻²)	(K)
CHCN	0	6	6	80–259	100–118	JPL	[5.7 × 10¹⁴]^(a)	[270]
HC¹³CCN	0	1	1	177	130	CDMS	[3.8 × 10¹⁴]	[200]
H¹³CCCN, v₇=1	0	2	2	479–503	108–133	CDMS	[8.1 × 10¹⁴]	[200]
HC¹³CCN, v₇=1	0	2	2	493	130–131	CDMS	[8.1 × 10¹⁴]	[200]

Notes. Values in square brackets are fixed. ^(a)Based on CH₃ CN, assuming a ¹² C/¹³C ratio of 60.

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