Projections of the velocity integrated along the v_x, v_y, v_z and v_cen sightlines from left to right. The top (bottom) row presents the EW (MW) maps. The solid, dashed and dotted black circles respectively represent R_vir, R₅₀₀ and R₂₅₀₀. The colour bar goes from −600 km s⁻¹ (blue), meaning an average gas flow coming from the foreground of Virgo and going away from the observer, to 600 km s⁻¹ (red), meaning, inversely, an average gas flow coming from the background of Virgo and coming toward the observer.