Prospects for time-domain and multi-messenger science with eXTP

  • Shu Xu Yi
  • , Wen Zhao
  • , Ren Xin Xu
  • , Xue Feng Wu
  • , Giulia Stratta
  • , Simone Dall’Osso
  • , Yan Jun Xu
  • , Andrea Santangelo
  • , Silvia Zane
  • , Shuang Nan Zhang
  • , Hua Feng
  • , Huan Yang
  • , Junjie Mao
  • , Junqiang Ge
  • , Lijing Shao
  • , Mi Xiang Lan
  • , He Gao
  • , Lin Lin
  • , Ning Jiang
  • , Qingwen Wu
  • Tong Liu, Yun Wei Yu, Xiang Yu Wang, Jin Zhang, Dafne Guetta, Jin Jun Geng, Di Xiao, Yong Feng Huang, Yacheng Kang, Tian Yong Cao, Zhen Zhang, Zhenwei Lyu, Zhen Pan, Yunfeng Chen, Yong Gao, Ang Li, Yu Cong Fu, Shuo Xiao, Wei Yang Wang, Fayin Wang, Zhenyin Zhao, Weihua Lei, Rong Feng Shen, Lixin Dai, Guang Lei Wu, Liang Duan Liu, Bing Li, Xilong Fan, Xing Jiang Zhu, Youjun Lu, Fan Xu, Kangfa Cheng, Da Bin Lin, Xiao Hong Zhao, Jun Jie Wei, Bin Bin Zhang, Ji Rong Mao, Yongquan Xue, Xinwen Shu, Wenjie Zhang, Wei Li Lin, Achille Fiore, Zhuo Li, Antonio Martin-Carrillo, Joseph Fisher, Fei Xie, Ye Li, Sandro Mereghetti, Shao Lin Xiong, Yu Han Yang, Eleonora Troja, Zi Gao Dai, Da Ming Wei, En Wei Liang, J. E. Horvath, G. R. Cunha Sampaio, L. G. Barão, L. M. de Sá

Research output: Contribution to journalReview articlepeer-review

5 Scopus citations

Abstract

In this new era of time-domain and multi-messenger astronomy, various new transients and new phenomena are constantly being discovered thanks to the rapid advances in observations, which provide the excellent opportunity to study the physics in the extreme environments. The enhanced X-ray Timing and Polarimetry mission (eXTP), planned to be launched in 2030, has several key advantages, including advanced polarimetry, high sensitivity & large effective area, and wide energy range coverage, which make it a groundbreaking project in high-energy astrophysics. In this article, we briefly introduce the potential time-domain and multi-messenger targets for eXTP, including gravitational-wave (GW) counterparts, gamma-ray bursts (GRBs), magnetars and fast radio bursts (FRBs), tidal disruption events (TDEs), supernovae, high energy neutrinos and TeV active galactic nucleus (AGNs), and so on. We discuss the advantages of future eXTP observations for detecting these sources, their detection capabilities, the abilities to distinguish theoretical models, and their applications in gravity and cosmology.

Original languageEnglish
Article number119506
JournalScience China: Physics, Mechanics and Astronomy
Volume68
Issue number11
DOIs
StatePublished - Nov 2025

Keywords

  • eXTP mission
  • high-energy astrophysics
  • multi-messenger astronomy
  • time-domain astronomy

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