Geometric modeling of M87* as a Kerr black hole or a non-Kerr compact objectDOI: info:10.1051/0004-6361/202037787v. 646A37
Vincent, F. H., Wielgus, Maciek, Abramowicz, M. A., Gourgoulhon, E., Lasota, J. -P, Paumard, T., and Perrin, G. 2021. "Geometric modeling of M87* as a Kerr black hole or a non-Kerr compact object." Astronomy and Astrophysics, 646 A37. https://doi.org/10.1051/0004-6361/202037787.