A new code for low-resolution spectral identification of white dwarf binary candidates Genghao Liu, Baitian Tang, Liangliang Ren, Chengyuan Li, Sihao Cheng, Weikai Zong, Jianning Fu, Bo Ma, Cheng Xu and Yiming Hu A&A, 690 (2024) A29 Published online: 27 September 2024 DOI: 10.1051/0004-6361/202449775