Fig. 9.
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Comparison between properties of Mg II profiles in different samples. Top left panel: log N(H I) [atoms cm−2] vs. metallicity (log Z = [X/H]). Top right panel: Δv(Mg II λ2796) [km s−1] vs. metallicity (log Z). Bottom left panel: equivalent width w(Mg II λ2796) [Å] vs. log N(H I) [atoms cm−2]. Bottom right panel: equivalent width w(Mg II λ2796) [Å] vs. metallicity (log Z) for ESDLAs (green pentagons, this work), C I-selected absorbers (blue points, from Zou et al. 2018), and the Mg II-selected DLAs (red circles, from Matejek et al. 2013).
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