Brightest Cluster Galaxy Formation in the z = 4.3 Protocluster SPT 2349-56: Discovery of a Radio-loud Active Galactic Nucleus oleh Scott C. Chapman, Ryley Hill, Manuel Aravena, Melanie Archipley, Arif Babul, James Burgoyne, Rebecca E. A. Canning, Roger P. Deane, Carlos De Breuck, Anthony H. Gonzalez, Christopher C. Hayward, Seon Woo Kim, Matt Malkan, Dan P. Marrone, Vincent McIntyre, Eric Murphy, Emily Pass, Ryan W. Perry, Kedar A. Phadke, Douglas Rennehan, Cassie Reuter, Kaja M. Rotermund, Douglas Scott, Nick Seymour, Manuel Solimano, Justin Spilker, Anthony A. Stark, Nikolaus Sulzenauer, Nick Tothill, Joaquin D. Vieira, David Vizgan, George Wang, Axel Weiss