Fig. 8.
Lyα peak velocity separation versus the H I velocity width of maximal absorption. The color bar represents the H I covering fraction measurement of each galaxy. Overall, the Lyα peak velocity separation scales with the width of the maximal absorption of the H I gas, and galaxies with larger Cf(H I) have larger 
than 
, such that the Lyα emission peaks at velocities outside of the H I absorption.
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