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Fig. 6


Evolution of gas velocity dispersion throughout the cosmic time. Data are taken from different studies on star-forming galaxies observed in the surveys coded in the legend. For z ≲ 1, average values over large galaxy samples are shown as squares. Other symbols indicate measurements in single galaxies. The average velocity dispersion derived in this work are shown as red circles. Our values are compatible with no evolution from z ~ 1 to now.

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