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Fig. 3.
HST/COS G130M spectra of the QSOs VV2006−J131545.2+152556 (upper panel) and PKS2155−304 (lower panel). The COS data are given in black, and the absorber model is plotted in red. Several Lyα absorbers are seen in these spectra. For a better visualisation, both spectra are binned over two pixels.
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