Testing the Kerr metric using X-ray reflection spectroscopy: spectral analysis of GX 339─4DOI: info:10.1088/1475-7516/2020/05/026v. 2020026
Wang, Jingyi, Abdikamalov, Askar B., Ayzenberg, Dimitry, Bambi, Cosimo, Dauser, Thomas, García, Javier A., Nampalliwar, Sourabh, and Steiner, James F. 2020. "Testing the Kerr metric using X-ray reflection spectroscopy: spectral analysis of GX 339─4." Journal of Cosmology and Astroparticle Physics, 2020 026. https://doi.org/10.1088/1475-7516/2020/05/026.