The quiescent population at 0.5 ≤ z ≤ 0.9: Environmental impact on the mass–size relation M. Figueira, M. Siudek, A. Pollo, J. Krywult, D. Vergani, M. Bolzonella, O. Cucciati and A. Iovino A&A, 687 (2024) A117 Published online: 02 July 2024 DOI: 10.1051/0004-6361/202347774