AB Aur, a Rosetta stone for studies of planet formation - II. H2S detection and sulfur budget P. Rivière-Marichalar, A. Fuente, G. Esplugues, V. Wakelam, R. le Gal, C. Baruteau, A. Ribas, E. Macías, R. Neri and D. Navarro-Almaida A&A, 665 (2022) A61 Published online: 09 September 2022 DOI: 10.1051/0004-6361/202142906