Einstein Probe discovery of EP240408a: A peculiar X-ray transient with an intermediate timescale

Wenda Zhang, Weimin Yuan, Zhixing Ling, Yong Chen, N. Rea, A. Rau, Zhiming Cai, Huaqing Cheng, F. Coti Zelati, Li‐Xin Dai, Jingwei Hu, Shumei Jia, Chichuan Jin, Dongyue Li, P. T. O’Brien, Rong-Feng Shen, Xinwen Shu, Shengli Sun, Xiaojin Sun, Xiaofeng Wang, Lei Yang, Bing Zhang, Chen Zhang, Shuang‐Nan Zhang, Yonghe Zhang, Jie An, David N. Buckley, A. Coleiro, B. Cordier, Liming Dou, R. A. J. Eyles-Ferris, Fan Zhou, Hua Feng, Shao-Yu Fu, J. P. U. Fynbo, Lluis Galbany, Saurabh W. Jha, Shuai-Qing Jiang, A. K. H. Kong, E. Kuulkers, Wei‐Hua Lei, Wenxiong Li, B. F. Liu, Mingjun Liu, Xing Liu, Yuan Liu, Teng Liu, Chandreyee Maitra, A. Marino, I. M. Monageng, K. Nandra, J. S. Sanders, Roberto Soria, Lian Tao, Junfeng Wang, Song Wang, Tinggui Wang, Zhongxiang Wang, Qingwen Wu, Xue-Feng Wu, D. Xu, Yan-Jun Xu, Suijian Xue, Yongquan Xue, Zijian Zhang, Zipei Zhu, Hu Zou, Congying Bao, Fansheng Chen, Houlei Chen, Tianxiang Chen, Wei Chen, Yehai Chen, Yifan Chen, Chenzhou Cui, Weiwei Cui, Yanfeng Dai, Dongwei Fan, Ju Guan, Dawei Han, Dongjie Hou, Haibo Hu, Maohai Huang, Jia Huo, Zhenqing Jia, Bowen Jiang, Ge Jin, Cheng-Kui Li, Junfei Li, Longhui Li, Mao-Shun Li, Wei Li, Zhengda Li, Tianying Lian, Congzhan Liu, Heyang Liu, Huaqiu Liu, F. J. Lu, Laidan Luo, Jia Ma