A complete 12CO 2–1 map of M 51 with HERA - II. Total gas surface densities and gravitational stability

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Table 3:

Equivalent widths $\Delta v_{\rm eq}$ of CO and H I in M 51 averaged over the areas shown in Fig. 2.
	$\Delta v_{\rm eq} (\rm CO)$	$\Delta v_{\rm eq}(H {\sc i}\ )$
	[km s^-1]	[km s^-1]
inner spiral arms	25.9	21.5
outer spiral arms	11.1	18.3
interarm region	7.3	19.4
ratio inner/outer spiral	2.3	1.2
inner arm/interarm	3.6	1.1
outer arm/interarm	1.5	0.9

Source LaTeX | All tables | In the text

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