A potential mass-gap black hole in a wide binary with a circular orbit

Song Wang, Xinlin Zhao, Fabo Feng, Hongwei Ge, Yong Shao, Yingzhen Cui, Shi-Jie Gao, Lifu Zhang, Pei Wang, Xue Li, Zhongrui Bai, Hailong Yuan, Yang Huang, Haibo Yuan, Zhi-Xiang Zhang, Tuan Yi, Maosheng Xiang, Zhenwei Li, Tanda Li, Junbo Zhang, Meng Zhang, Henggeng Han, Dongwei Fan, Xiang‐Dong Li, Xuefei Chen, Zheng-Wei Liu, Xiangcun Meng, Qingzhong Liu, Haotong Zhang, Wei‐Min Gu, Jifeng Liu