Deuteration of HC3N and CH3CCH in the pre-stellar core L1544

Open Access

Table 2

Molecular column densities for the best-fit models, derived with LOC towards the dust peak (see Figs. 5 and 6).

Molecule	Model	$N_{c e n t r e}^{N L T E}$ $N_\mathrm{centre}^\mathrm{NLTE}$ (×10¹² cm⁻²)
HC₃N	Const	38
	Radial (t₁)	64
	Radial (t₂)	21
HCC¹³ CN	Const	0.63
	Radial (t₁)	0.94
	Radial (t₂)	0.31
CH₃CCH	Const	45

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