CO, CS, HCO, HCO+, C2H, and HCN in the diffuse interstellar medium

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Table 7

Mean line widths and column densities for the Gaussian components on 31 sight lines decomposed in HCO⁺ and C₂H.

Molecule		HCO+	C₂H
Sample	Total	Matched	Unmatched	Total	Matched	Unmatched	Slope
#components	119	73	46	81	73	8	73
<FWHM> kms⁻¹	1.26(0.73)	1.03(0.37)	1.66(0.90)	1.20(0.56)	1.15(0.49)	1.48(0.82)	0.98(0.09)
<N> 10¹² cm⁻²	0.71(1.00)	0.92(1.17)	0.20(0.51)¹	9.29(8.28)	9.76(0.81)	5.00(3.10)²	0.56(0.06)

Notes. ¹The unmatched components of HCO⁺ comprise 11% of the total HCO⁺ column density. ²The unmatched components of C₂H comprise 5% of the total C₂H column density.

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