Re-estimating the Spin Parameter of the Black Hole in Cygnus X-1DOI: info:10.3847/1538-4357/abbcd6v. 908117
Zhao, Xueshan, Gou, Lijun, Dong, Yanting, Zheng, Xueying, Steiner, James F., Miller-Jones, James C. A., Bahramian, Arash, Orosz, Jerome A., and Feng, Ye. 2021. "Re-estimating the Spin Parameter of the Black Hole in Cygnus X-1." The Astrophysical Journal, 908 117. https://doi.org/10.3847/1538-4357/abbcd6.