NOEMA observations support a recoiling black hole in 3C 186DOI: info:10.1051/0004-6361/202243309v. 661L2
Castignani, G., Meyer, E., Chiaberge, M., Combes, F., Morishita, T., Decarli, R., Capetti, A., Dotti, M., Tremblay, G. R., and Norman, C. A. 2022. "NOEMA observations support a recoiling black hole in 3C 186." Astronomy and Astrophysics, 661 L2. https://doi.org/10.1051/0004-6361/202243309.