Gas pressure profile of the different ionic species for Local Group realisation 9_18 measured from the midpoint between the MW and M31 in different directions. The solid lines show profiles pointing towards the MW (red), M31 (blue) and averaging over many directions perpendicular to the radial vector joining the two galaxies (green). Note that the two peaks seen at r ∼ 400 kpc in the red and blue lines correspond to the MW and M31 haloes. Arrows indicate locations in front (left) and behind (right) the MW candidate.