In this paper we present the science potential of the enhanced X-ray Timing and Polarimetry(eXTP)mission,in its new configuration,for studies of strongly magnetized compact objects.We discuss the scientific potential ...In this paper we present the science potential of the enhanced X-ray Timing and Polarimetry(eXTP)mission,in its new configuration,for studies of strongly magnetized compact objects.We discuss the scientific potential of eXTP for quantum electrodynamic(QED)studies,especially leveraging the recent observations made with the NASA IXPE mission.Given eXTP’s unique combination of timing,spectroscopy,and polarimetry,we focus on the perspectives for physics and astrophysics studies of strongly magnetized compact objects,such as magnetars and accreting X-ray pulsars.Developed by an international Consortium led by the Institute of High Energy Physics of the Chinese Academy of Sciences,the eXTP mission is expected to launch in early 2030.展开更多
基金supported by the China’s Space Origins Exploration Programthe National Key R&D Program of China (Grant No.2021YFA0718500)+10 种基金the support by the National Natural Science Foundation of China (Grant Nos.12373051,12273028,12173103,12261141691,and 12003009)the support by the Italian MUR (grant PRIN 2022 - 2022LWPEXW grant,“An X-ray view of compact objects in polarized light”,CUP C53D23001180006)the German Research Foundation (DFG) grant WE 1312/59-1 for financial supportUKRI Stephen Hawking fellowshipthe support by UKRI STFC (Grant No.ST/W507891/1)supported by the National Natural Science Foundation of China (Grant No.12333007)the International Partnership Program of Chinese Academy of Sciences (Grant No.113111KYSB20190020)the Strategic Priority Research Program of Chinese Academy of Sciences (Grant No.XDA15020100)supported by the National Natural Science Foundation of China (Grant Nos.12373041,and 12422306)the Bagui Scholars Program (XF)supported by STFC (Grant No.ST/Y001060/1)。
文摘In this paper we present the science potential of the enhanced X-ray Timing and Polarimetry(eXTP)mission,in its new configuration,for studies of strongly magnetized compact objects.We discuss the scientific potential of eXTP for quantum electrodynamic(QED)studies,especially leveraging the recent observations made with the NASA IXPE mission.Given eXTP’s unique combination of timing,spectroscopy,and polarimetry,we focus on the perspectives for physics and astrophysics studies of strongly magnetized compact objects,such as magnetars and accreting X-ray pulsars.Developed by an international Consortium led by the Institute of High Energy Physics of the Chinese Academy of Sciences,the eXTP mission is expected to launch in early 2030.
