Comparison of C I fine-structure complexes for the two lines of sight. Regions of the spectra used to constrain the model are shown in black (gray regions were masked out during the fit). The best-fit profiles are shown in red, and the tick marks below the spectra indicate the positions of the individual components of the J = 0 (blue solid), J = 1 (red dashed), and J = 2 (black dotted) transitions. The red tick marks above the spectra mark the location of weak intervening C IV systems.
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