Variability of the slow solar wind: New insights from modelling and PSP-WISPR observations Nicolas Poirier, Victor Réville, Alexis P. Rouillard, Athanasios Kouloumvakos and Emeline Valette A&A, 677 (2023) A108 Published online: 12 September 2023 DOI: 10.1051/0004-6361/202347146