Two-point correlation function (ξ(Δv)) of C IV as a function of velocity across the two lines of sight for two different bins in separation, shown as the black and blue points for Δr < 10 kpc and Δr > 10 kpc, respectively. The green points correspond to the single line-of-sight measurements obtained by Scannapieco et al. (2006). The dashed red line shows a prediction from transverse correlations of C IV using gravitational arcs (Lopez et al. 2024), adjusted to account for the different spectral and spatial resolution.