Gravitational Test beyond the First Post-Newtonian Order with the Shadow of the M87 Black HoleDOI: info:10.1103/PhysRevLett.125.141104v. 125141104
Psaltis, Dimitrios, Medeiros, Lia, Christian, Pierre, Özel, Feryal, Akiyama, Kazunori, Alberdi, Antxon, Alef, Walter, Asada, Keiichi, Azulay, Rebecca, Ball, David, Balokovic, Mislav, Barrett, John, Bintley, Dan, Blackburn, Lindy, Boland, Wilfred, Bower, Geoffrey C., Bremer, Michael, Brinkerink, Christiaan D., Brissenden, Roger, Britzen, Silke, Broguiere, Dominique, Bronzwaer, Thomas, Byun, Do-Young, Carlstrom, John E., Chael, Andrew et al. 2020. "Gravitational Test beyond the First Post-Newtonian Order with the Shadow of the M87 Black Hole." Physical Review Letters, 125 141104. https://doi.org/10.1103/PhysRevLett.125.141104.