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Fig. 17

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Sub-DLA detected towards QSO J1356-1101 at zabs = 2.397. The solid red line represents the Voigt profile fit to the sub-DLA with a total column density of log NH   I = 19.88 ± 0.09 using 29, 0,  − 48 and  − 300 km s-1 velocity components.

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