Universal interferometric signatures of a black hole's photon ringDOI: info:10.1126/sciadv.aaz1310v. 6eaaz1310
Johnson, Michael D., Lupsasca, Alexandru, Strominger, Andrew, Wong, George N., Hadar, Shahar, Kapec, Daniel, Narayan, Ramesh, Chael, Andrew, Gammie, Charles F., Galison, Peter, Palumbo, Daniel C. M., Doeleman, Sheperd S., Blackburn, Lindy, Wielgus, Maciek, Pesce, Dominic W., Farah, Joseph R., and Moran, James M. 2020. "Universal interferometric signatures of a black hole's photon ring." Science Advances, 6 eaaz1310. https://doi.org/10.1126/sciadv.aaz1310.