Ultracool dwarfs identified using spectra in LAMOST DR7 You-Fen Wang, A-Li Luo, Wen-Ping Chen, Hugh R. A. Jones, Bing Du, Yin-Bi Li, Shuo Zhang, Zhong-Rui Bai, Xiao Kong and Yan-Xin Guo A&A, 660 (2022) A38 Published online: 05 April 2022 DOI: 10.1051/0004-6361/202142009