"
The NANOGrav 15-year Gravitational-Wave Background Methods"
Aaron D. Johnson (for the NANOGrav Collaboration), Patrick M. Meyers (for the NANOGrav Collaboration), Paul T. Baker (for the NANOGrav Collaboration), Neil J. Cornish (for the NANOGrav Collaboration), Jeffrey S. Hazboun (for the NANOGrav Collaboration), Tyson B. Littenberg (for the NANOGrav Collaboration), Joseph D. Romano (for the NANOGrav Collaboration), Stephen R. Taylor (for the NANOGrav Collaboration), Michele Vallisneri (for the NANOGrav Collaboration), Sarah J. Vigeland (for the NANOGrav Collaboration), Ken D. Olum (for the NANOGrav Collaboration), Xavier Siemens (for the NANOGrav Collaboration), Justin A. Ellis (for the NANOGrav Collaboration), Rutger van Haasteren (for the NANOGrav Collaboration), Sophie Hourihane (for the NANOGrav Collaboration), Gabriella Agazie (for the NANOGrav Collaboration), Akash Anumarlapudi (for the NANOGrav Collaboration), Anne M. Archibald (for the NANOGrav Collaboration), Zaven Arzoumanian (for the NANOGrav Collaboration), Laura Blecha (for the NANOGrav Collaboration), Adam Brazier (for the NANOGrav Collaboration), Paul R. Brook (for the NANOGrav Collaboration), Sarah Burke-Spolaor (for the NANOGrav Collaboration), Bence B\'ecsy (for the NANOGrav Collaboration), J. Andrew Casey-Clyde (for the NANOGrav Collaboration), Maria Charisi (for the NANOGrav Collaboration), Shami Chatterjee (for the NANOGrav Collaboration), Katerina Chatziioannou (for the NANOGrav Collaboration), Tyler Cohen (for the NANOGrav Collaboration), James M. Cordes (for the NANOGrav Collaboration), Fronefield Crawford (for the NANOGrav Collaboration), H. Thankful Cromartie (for the NANOGrav Collaboration), Kathryn Crowter (for the NANOGrav Collaboration), Megan E. DeCesar (for the NANOGrav Collaboration), Paul B. Demorest (for the NANOGrav Collaboration), Timothy Dolch (for the NANOGrav Collaboration), Brendan Drachler (for the NANOGrav Collaboration), Elizabeth C. Ferrara (for the NANOGrav Collaboration), William Fiore (for the NANOGrav Collaboration), Emmanuel Fonseca (for the NANOGrav Collaboration), Gabriel E. Freedman (for the NANOGrav Collaboration), Nate Garver-Daniels (for the NANOGrav Collaboration), Peter A. Gentile (for the NANOGrav Collaboration), Joseph Glaser (for the NANOGrav Collaboration), Deborah C. Good (for the NANOGrav Collaboration), Kayhan G\"ultekin (for the NANOGrav Collaboration), Ross J. Jennings (for the NANOGrav Collaboration), Megan L. Jones (for the NANOGrav Collaboration), Andrew R. Kaiser (for the NANOGrav Collaboration), David L. Kaplan (for the NANOGrav Collaboration), Luke Zoltan Kelley (for the NANOGrav Collaboration), Matthew Kerr (for the NANOGrav Collaboration), Joey S. Key (for the NANOGrav Collaboration), Nima Laal (for the NANOGrav Collaboration), Michael T. Lam (for the NANOGrav Collaboration), William G. Lamb (for the NANOGrav Collaboration), T. Joseph W. Lazio (for the NANOGrav Collaboration), Natalia Lewandowska (for the NANOGrav Collaboration), Tingting Liu (for the NANOGrav Collaboration), Duncan R. Lorimer (for the NANOGrav Collaboration), Ryan S. Lynch (for the NANOGrav Collaboration), Chung-Pei Ma (for the NANOGrav Collaboration), Dustin R. Madison (for the NANOGrav Collaboration), Alexander McEwen (for the NANOGrav Collaboration), James W. McKee (for the NANOGrav Collaboration), Maura A. McLaughlin (for the NANOGrav Collaboration), Natasha McMann (for the NANOGrav Collaboration), Bradley W. Meyers (for the NANOGrav Collaboration), Chiara M. F. Mingarelli (for the NANOGrav Collaboration), Andrea Mitridate (for the NANOGrav Collaboration), Cherry Ng (for the NANOGrav Collaboration), David J. Nice (for the NANOGrav Collaboration), Stella Koch Ocker (for the NANOGrav Collaboration), Timothy T. Pennucci (for the NANOGrav Collaboration), Benetge B. P. Perera (for the NANOGrav Collaboration), Nihan S. Pol (for the NANOGrav Collaboration), Henri A. Radovan (for the NANOGrav Collaboration), Scott M. Ransom (for the NANOGrav Collaboration), Paul S. Ray (for the NANOGrav Collaboration), Shashwat C. Sardesai (for the NANOGrav Collaboration), Carl Schmiedekamp (for the NANOGrav Collaboration), Ann Schmiedekamp (for the NANOGrav Collaboration), Kai Schmitz (for the NANOGrav Collaboration), Brent J. Shapiro-Albert (for the NANOGrav Collaboration), Joseph Simon (for the NANOGrav Collaboration), Magdalena S. Siwek (for the NANOGrav Collaboration), Ingrid H. Stairs (for the NANOGrav Collaboration), Daniel R. Stinebring (for the NANOGrav Collaboration), Kevin Stovall (for the NANOGrav Collaboration), Abhimanyu Susobhanan (for the NANOGrav Collaboration), Joseph K. Swiggum (for the NANOGrav Collaboration), Jacob E. Turner (for the NANOGrav Collaboration), Caner Unal (for the NANOGrav Collaboration), Haley M. Wahl (for the NANOGrav Collaboration), Caitlin A. Witt (for the NANOGrav Collaboration), Olivia Young (for the NANOGrav Collaboration)