The NANOGrav 15 yr Data Set: Constraints on Supermassive Black Hole Binaries from the Gravitational-wave Background

Agazie, Gabriella; Anumarlapudi, Akash; M. Archibald, Anne; T. Baker, P.; Bécsy, B.; Blecha, Laura; Bonilla, Alexander; Brazier, Adam; R. Brook, Paul; Burke-Spolaor, Sarah; Burnette, Rand; Case, Robin; Andrew Casey-Clyde, J.; Charisi, Maria; Chatterjee, Shami; Chatziioannou, Katerina; D. Cheeseboro, B.; Chen, Siyuan; Cohen, Tyler; M. Cordes, J.; J. Cornish, Neil; Crawford, F.; Thankful Cromartie, H.; Crowter, Kathryn; Cutler, Curt; J. D’Orazio, Daniel; E. DeCesar, Megan; DeGan, Dallas; B. Demorest, Paul; Deng, Heling; Dolch, Timothy; Drachler, Brendan; C. Ferrara, E.; Fiore, William; Fonseca, Emmanuel; E. Freedman, Gabriel; C. Gardiner, Emiko; Garver-Daniels, Nate; A. Gentile, Peter; A. Gersbach, Kyle; Glaser, Joseph; C. Good, Deborah; Gültekin, Kayhan; S. Hazboun, Jeffrey; Hourihane, Sophie; Islo, Kristina; J. Jennings, Ross; D. Johnson, Aaron; L. Jones, Megan; R. Kaiser, Andrew; L. Kaplan, D.; Zoltan Kelley, Luke; Kerr, M.; S. Key, J.; Laal, Nima; T. Lam, Michael; G. Lamb, William; Joseph W. Lazio, T.; Lewandowska, N.; B. Littenberg, T.; Liu, Tingting; Luo, Jing; S. Lynch, Ryan; Ma, Chung‐Pei; R. Madison, Dustin; McEwen, Alexander; W. McKee, James; A. McLaughlin, M.; McMann, Natasha; W. Meyers, Bradley; M. Meyers, P.; M. F. Mingarelli, Chiara; Mitridate, Andrea; Natarajan, Priyamvada; Ng, Cherry; J. Nice, David; Koch Ocker, Stella; D. Olum, Ken; T. Pennucci, Timothy; B. P. Perera, Benetge; Petrov, Polina; S. Pol, Nihan; A. Radovan, H.; M. Ransom, S.; S. Ray, Paul; D. Romano, Joseph; C. Runnoe, Jessie; C. Sardesai, Shashwat; Schmiedekamp, Ann; Schmiedekamp, Carl; Schmitz, Kai; Schult, Levi; J. Shapiro-Albert, Brent; Siemens, Xavier; Simon, Joseph; S. Siwek, Magdalena; H. Stairs, I.; R. Stinebring, Daniel; Stovall, Kevin; P. Sun, Jerry; Susobhanan, Abhimanyu; K. Swiggum, Joseph; Taylor, Jacob; R. Taylor, Stephen; E. Turner, Jacob; Ünal, Caner; Vallisneri, Michele; J. Vigeland, Sarah; M. Wachter, Jeremy; M. Wahl, Haley; Wang, Qiaohong; A. Witt, Caitlin; Wright, David; Young, Olivia

doi:10.3847/2041-8213/ace18b

Public

The NANOGrav 15 yr Data Set: Constraints on Supermassive Black Hole Binaries from the Gravitational-wave Background

Published in The Astrophysical Journal Letters • Aug 1, 2023

Authors:

Gabriella Agazie

Akash Anumarlapudi

Anne M. Archibald

Abstract

Abstract The NANOGrav 15 yr data set shows evidence for the presence of a low-frequency gravitational-wave background (GWB). While many physical processes can source such low-frequency gravitational waves, here we analyze the signal as coming from a population of supermassive black hole (SMBH) binar...

Subject

Supermassive black hole

Gravitational wave

Physics

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