Stellar spectral template library construction based on generative adversarial networks Jianghui Cai, Zeyang Yan, Haifeng Yang, Xin Chen, Aiyu Zheng, Jing Hao, Xujun Zhao and Yaling Xun A&A, 687 (2024) A15 Published online: 24 June 2024 DOI: 10.1051/0004-6361/202349032