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 ac...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.展开更多
基金supported by China’s Space Origins Exploration Programsupported by the National Natural Science Foundation of China(Grant No.12333007)+3 种基金the International Partnership Program of Chinese Academy of Sciences(Grant No.113111KYSB20190020)the Strategic Priority Research Program of the Chinese Academy of Sciences(Grant No.XDA15020100)support from the Academy of Finland(Grant No.355672)supported in part by Nord Forsk.
文摘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.
