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Fig. 12

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Sub-DLA detected towards QSO B1036-268 at zabs = 2.235. Lyβ region of the spectrum is smoothed with a boxcar average of 2.0 pixels for plotting purposes. The solid red line corresponds to the Voigt profile fit to the sub-DLA with a total column density of log NH   I = 19.96 ± 0.09 from 0,  − 55,  − 95, and  − 297 km s-1 velocity components. The system is detected down to Lyβ.

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