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Fig. 15

image

CO SLEDs of individual BzK galaxies (top four panels) and their average (bottom panel) are fitted using different proportions of the clump (red) and diffuse (blue) CO SLEDs from B15. Results of the fit with their uncertainties are reported as labels in the figure, the CO(total) ratio is given relative to the high-redshift disk galaxy simulated in B15. For example, for the average BzK the ratio CO(total) ratio of 1.85 implies that we need a clump component 1.85 stronger than that of B15 if the diffuse component is kept fixed.

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