Periodic activity from a fast radio burst source

M. Amiri, Bridget C. Andersen, Kevin Bandura, Mohit Bhardwaj, P. J. Boyle, Charanjot Brar, Pragya Chawla, Tianyue Chen, Jean-François Cliche, Davor Čubranić, Meiling Deng, Nolan Denman, M. Dobbs, Fengqiu Adam Dong, Mateus Fandino, Emmanuel Fonseca, B. M. Gaensler, Utkarsh Giri, Deborah C. Good, M. Halpern, J. W. T. Hessels, Alex S. Hill, C. Höfer, Alexander Josephy, Joseph Kania, R. Karuppusamy, V. M. Kaspi, A. Keimpema, Franz Kirsten, T. L. Landecker, Dustin Lang, Calvin Leung, Dongzi Li, Hsiu-Hsien Lin, B. Marcote, Kiyoshi W. Masui, Ryan Mckinven, Juan Mena-Parra, Marcus Merryfield, Daniele Michilli, Nikola Milutinović, Arash Mirhosseini, Arun Naidu, Laura Newburgh, Cherry Ng, Kenzie Nimmo, Z. Paragi, C. Patel, Ue‐Li Pen, Tristan Pinsonneault-Marotte, Ziggy Pleunis, Masoud Rafiei-Ravandi, Mubdi Rahman, S. M. Ransom, Andre Renard, Pranav Sanghavi, Paul Scholz, J. Richard Shaw, Kaitlyn Shin, Seth R. Siegel, Saurabh Singh, R. J. Smegal, Kendrick M. Smith, I. H. Stairs, Shriharsh P. Tendulkar, Ian Tretyakov, K. Vanderlinde, Haochen Wang, X. Wang, Dallas Wulf, P. Yadav, A. V. Zwaniga