EP251023a: A fast X-ray transient featuring a magnetar-powered optical internal plateau followed by a steep decay

arXiv:2606.24329 · astro-ph.HE · Submitted 2026-06-23 · Read on arXiv

Shuai-Qing Jiang, Dong Xu, Wei-Hua Lei, Jie An, Yuan-Chuan Zou, Zi-Pei Zhu, Ryan Chornock, Dmitry Svinkin, Wen-Xiong Li, E. Fernández-García, Yue Wu, Wen-Da Zhang, Shao-Yu Fu, Xing Liu, Lin-Bo He, Moira Andrews, A. J. Castro-Tirado, Joseph R. Farah, Dmitry Frederiks, M. Gritsevich, D. Andrew Howell, Ding-Fang Hu, Alexandra L. Lysenko, A. Maury, Curtis McCully, S. B. Pandey, I. Pérez-García, Anna Ridnaia, Anastasia Tsvetkova, Mikhail Ulanov, S. -Y. Wu, Kathryn Wynn, D. -R. Xiong, Hao-Nan Yang, B. -B. Zhang, Tong Zhao

astro-ph.HE

Submitted: 2026-06-23

Comments: 10 pages, 8 figures, submitted to A&A

License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/

Terminology

• Calibration — 3× in this paper · explained in 7 episodes
• Einstein Probe — 3× in this paper
• Society of Photo-Optical Instrumentation Engineers — 2× in this paper
• Core — 1× in this paper · explained in 2 episodes
• Low Resolution Imaging Spectrometer — 1× in this paper
• alpha — 1× in this paper · explained in 1 episode

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