Four panels plot showing the optical lines linked to the accretion disk. The gray line, where present, marks the position of the second line of the doublets. The green line in the last panel marks the radial velocity of the G star. The spectra are at ϕ = 0.188, ϕ_L = 0.439, median filtered to three points. The lines in the plot of the Si II 4128, 4130 doublet are He I 4121, and 4144.