Kavli Affiliate: Renxin Xu
| First 5 Authors: Shuang-Nan Zhang, Andrea Santangelo, Yupeng Xu, Hua Feng, Fangjun Lu
| Summary:
In this paper we present the current status of the enhanced X-ray Timing and
Polarimetry mission, which has been fully approved for launch in 2030. eXTP is
a space science mission designed to study fundamental physics under extreme
conditions of matter density, gravity, and magnetism. The mission aims at
determining the equation of state of matter at supra-nuclear density, measuring
effects of QED, and understanding the dynamics of matter in strong-field
gravity. In addition to investigating fundamental physics, the eXTP mission is
poised to become a leading observatory for time-domain and multi-messenger
astronomy in the 2030s, as well as providing observations of unprecedented
quality on a variety of galactic and extragalactic objects. After briefly
introducing the history and a summary of the scientific objectives of the eXTP
mission, this paper presents a comprehensive overview of: 1) the cutting-edge
technology, technical specifications, and anticipated performance of the
mission’s scientific instruments; 2) the full mission profile, encompassing
spacecraft design, operational capabilities, and ground segment infrastructure.
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