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Lookup NU author(s): Dr Adam IngramORCiD
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© Science China Press 2025.We present the novel capabilities of the enhanced X-ray Timing and Polarimetry (eXTP) mission to study the strong gravity region around stellar-mass black holes in X-ray binary systems and supermassive black holes in active galactic nuclei. eXTP can combine X-ray spectral, timing, and polarimetric techniques to study the accretion process near black holes, measure black hole masses and spins, and test Einstein’s theory of General Relativity in the strong field regime. We show how eXTP can improve the current measurements of black holes of existing X-ray missions and we discuss the scientific questions that can be addressed.
Author(s): Bu Q, Bambi C, Gou L, Xu Y, Uttley P, De Rosa A, Santangelo A, Zane S, Feng H, Zhang S-N, Jin C, Pan H, Shu X, Ursini F, Wang Y, Wu J, You B, Yuan Y, Zhang W, Bianchi S, Dai L, Di Salvo T, Dovciak M, Feng Y, Guo H, Ingram A, Jiang J, Karas V, Li D, Liu H, Masteroserio G, Matt G, Motta S, Mou G, Nosirov A, Pan Z, Qiao E, Shen R, Shui Q, Song Y, Svoboda J, Tao L, Veledina A, Yan Z, Zhao T
Publication type: Review
Publication status: Published
Journal: Science China: Physics, Mechanics and Astronomy
Year: 2025
Volume: 68
Issue: 11
Online publication date: 23/09/2025
Acceptance date: 25/08/2025
ISSN (print): 1674-7348
ISSN (electronic): 1869-1927
Publisher: Science China Press
URL: https://doi.org/10.1007/s11433-025-2789-2
DOI: 10.1007/s11433-025-2789-2
