Merger-induced star formation in the low-metallicity dwarf galaxy NGC 4809/4810 Yulong Gao, Qiusheng Gu, Guilin Liu, Hongxin Zhang, Yong Shi, Jing Dou, Xiangdong Li and Xu Kong A&A, 677 (2023) A179 Published online: 25 September 2023 DOI: 10.1051/0004-6361/202346753