Toward a robust physical and chemical characterization of heterogeneous lines of sight: The case of the Horsehead nebula

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Table 4

Fitted parameters when assuming that the inner and outer layers have the same or different centroid velocities and velocity dispersions.

Parameter	Unit	C_{V, in} = C_{V, ou}		Free C_V

		Inner	Outer	Inner	Outer
C_V	km s⁻¹	10.78 ± 0.01	10.78 ± 0.01	10.76 ± 0.01	10.94 ± 0.03
FWHM	km s⁻¹	0.59 ± 0.03	1.22 ± 0.11	0.54 ± 0.02	1.10 ± 0.08
T_kin	K	22 ± 3	30 ± 4	21 ± 2	30 ± 3
$\log (n_{H_{2}} / {cm}^{- 3})$ ${\log \left( {{n_{{{\rm{H}}_2}}}/{\rm{c}}{{\rm{m}}^{ - 3}}} \right)}$	–	5.36 ± 0.41	3.78 ± 0.14	5.41 ± 0.41	3.93 ± 0.08
$\log (N_{^{_{13}} CO} / {cm}^{- 2})$ ${\log \left( {{N_{^{_{13}}{\rm{CO}}}}/{\rm{c}}{{\rm{m}}^{ - 2}}} \right)}$	–	16.36 ± 0.03	15.45 ± 0.06	16.33 ± 0.03	15.54 ± 0.05

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