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Fig. 11.


Lyα velocity offset versus IS velocity offset with respect to the systemic redshift. The plot is color-coded for the Lyα spatial extension with respect to the UV continuum, as shown in the color bar at the right side. The star in the plot is the stack of the sources with no individual ISshift measure. Its color is given by the median of the measured Lyαext/UVext of the IS undetected sample.

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