Testing General Relativity with the Stellar-mass Black Hole in LMC X-1 Using the Continuum-fitting Method
Ashutosh TripathiCenter for Field Theory and Particle Physics and Department of Physics, Fudan University, 200438 Shanghai, People’s Republic of China; [email protected]Menglei ZhouCenter for Field Theory and Particle Physics and Department of Physics, Fudan University, 200438 Shanghai, People’s Republic of China; [email protected]Askar B. AbdikamalovCenter for Field Theory and Particle Physics and Department of Physics, Fudan University, 200438 Shanghai, People’s Republic of China; [email protected]Dimitry AyzenbergCenter for Field Theory and Particle Physics and Department of Physics, Fudan University, 200438 Shanghai, People’s Republic of China; [email protected]Cosimo BambiCenter for Field Theory and Particle Physics and Department of Physics, Fudan University, 200438 Shanghai, People’s Republic of China; [email protected]Lijun GouKey Laboratory for Computational Astrophysics, National Astronomical Observatories, Chinese Academy of Sciences, 100012 Beijing, People’s Republic of ChinaV. GrinbergInstitut für Astronomie und Astrophysik (IAAT), Eberhard-Karls Universität Tübingen, D-72076 Tübingen, GermanyHonghui LiuCenter for Field Theory and Particle Physics and Department of Physics, Fudan University, 200438 Shanghai, People’s Republic of China; [email protected]James F. SteinerHarvard-Smithsonian Center for Astrophysics, Cambridge, MA 02138, USA
2020en
ABI
Аннотация
Abstract The iron-line and continuum-fitting methods are currently the two leading techniques for measuring black-hole spins with electromagnetic radiation. They can be naturally extended for probing the spacetime geometry around black holes and testing general relativity in the strong field regime. In the past couple of years, there has been significant work to use the iron-line method to test the nature of black holes. Here we use the continuum-fitting method and we show its capability of constraining the spacetime geometry around black holes by analyzing 17 Rossi X-ray Timing Explorer data of the X-ray binary LMC X-1.
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