The large- and small-scale properties of the intergalactic gas in the Slug Ly α nebula revealed by MUSE He ii emission observations - Cantalupo, Sebastiano; Pezzulli, Gabriele; Lilly, Simon J; Marino, Raffaella Anna; Gallego, Sofia G; Schaye, Joop; Bacon, Roland; Feltre, Anna; Kollatschny, Wolfram; Nanayakkara, Themiya; Richard, Johan; Wendt, Martin; et al. (Monthly notices of the Royal Astronomical Society, 2019)