The NANOGrav 15 yr Data Set: Search for Anisotropy in the Gravitational-wave Background

Agazie, Gabriella; Anumarlapudi, Akash; M. Archibald, Anne; Arzoumanian, Zaven; T. Baker, P.; Bécsy, B.; Blecha, Laura; Brazier, Adam; R. Brook, Paul; Burke-Spolaor, Sarah; Andrew Casey-Clyde, J.; Charisi, Maria; Chatterjee, Shami; Cohen, Tyler; M. Cordes, J.; J. Cornish, Neil; Crawford, F.; Thankful Cromartie, H.; Crowter, Kathryn; E. DeCesar, Megan; B. Demorest, Paul; Dolch, Timothy; Drachler, Brendan; C. Ferrara, E.; Fiore, William; Fonseca, Emmanuel; E. Freedman, Gabriel; C. Gardiner, Emiko; Garver-Daniels, Nate; A. Gentile, Peter; Glaser, Joseph; C. Good, Deborah; Gültekin, Kayhan; S. Hazboun, Jeffrey; 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.; Liu, Tingting; R. Lorimer, D.; 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. F. Mingarelli, Chiara; Mitridate, Andrea; Ng, Cherry; J. Nice, David; Koch Ocker, Stella; D. Olum, Ken; T. Pennucci, Timothy; B. P. Perera, Benetge; S. Pol, Nihan; A. Radovan, H.; M. Ransom, S.; S. Ray, Paul; D. Romano, Joseph; 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; Susobhanan, Abhimanyu; K. Swiggum, Joseph; R. Taylor, Stephen; E. Turner, Jacob; Ünal, Caner; Vallisneri, Michele; J. Vigeland, Sarah; M. Wahl, Haley; A. Witt, Caitlin; Young, Olivia

doi:10.3847/2041-8213/acf4fd

Public

The NANOGrav 15 yr Data Set: Search for Anisotropy in the Gravitational-wave Background

Published in The Astrophysical Journal Letters • Oct 1, 2023

Authors:

Gabriella Agazie

Akash Anumarlapudi

Anne M. Archibald

Abstract

Abstract The North American Nanohertz Observatory for Gravitational Waves (NANOGrav) has reported evidence for the presence of an isotropic nanohertz gravitational-wave background (GWB) in its 15 yr data set. However, if the GWB is produced by a population of inspiraling supermassive black hole bina...

Subject

Physics

Anisotropy

Gravitational wave

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