Image Details
Caption: Figure 8.
Circular velocities (﹩{v}_{{\rm{c}}}=\sqrt{{GM}/r}﹩) for the three galaxy models at z = 3 (left), 1.5 (middle), and 0 (right). The thick lines show ﹩{v}_{{\rm{c}}}﹩ derived for all mass, whereas the thin lines account only for the stars and cold gas situated in the disk.
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