Spatially resolved mass–metallicity relation at z ∼ 0.26 from the MUSE-Wide Survey Yao Yao, Guangwen Chen, Haiyang Liu, Xinkai Chen, Zesen Lin, Hong-Xin Zhang, Yulong Gao and Xu Kong A&A, 661 (2022) A112 Published online: 12 May 2022 DOI: 10.1051/0004-6361/202243104