The NANOGrav 15 yr Data Set: Looking for Signs of Discreteness in the Gravitational-wave Background
Agazie G, Anumarlapudi A, Archibald A, Arzoumanian Z, Baier J, Baker P, Bécsy B, Blecha L, Brazier A, Brook P, Brown L, Burke-Spolaor S, Casey-Clyde J, Charisi M, Chatterjee S, Cohen T, Cordes J, Cornish N, Crawford F, Cromartie H, Crowter K, DeCesar M, Demorest P, Deng H, Dolch T, Ferrara E, Fiore W, Fonseca E, Freedman G, Garver-Daniels N, Gentile P, Glaser J, Good D, Gültekin K, Hazboun J, Jennings R, Johnson A, Jones M, Kaiser A, Kaplan D, Kelley L, Kerr M, Key J, Laal N, Lam M, Lamb W, Larsen B, Lazio T, Lewandowska N, Liu T, Lorimer D, Luo J, Lynch R, Ma C, Madison D, McEwen A, McKee J, McLaughlin M, McMann N, Meyers B, Meyers P, Mingarelli C, Mitridate A, Natarajan P, Ng C, Nice D, Ocker S, Olum K, Pennucci T, Perera B, Pol N, Radovan H, Ransom S, Ray P, Romano J, Runnoe J, Sardesai S, Schmiedekamp A, Schmiedekamp C, Schmitz K, Shapiro-Albert B, Siemens X, Simon J, Siwek M, Fiscella S, Stairs I, Stinebring D, Stovall K, Susobhanan A, Swiggum J, Taylor S, Turner J, Unal C, Vallisneri M, Vigeland S, Wahl H, Willson L, Witt C, Wright D, Young O. The NANOGrav 15 yr Data Set: Looking for Signs of Discreteness in the Gravitational-wave Background. The Astrophysical Journal 2024, 978: 31. DOI: 10.3847/1538-4357/ad93d5.Peer-Reviewed Original ResearchSupermassive black hole binariesGravitational wave backgroundPulsar timing arraysIndividual supermassive black hole binaryGravitational wave background amplitudeNorth American Nanohertz ObservatoryBlack hole binariesGravitational-wave backgroundStrain spectrumContinuous GWsEarly universeGravitational-waveGravitational wavesTiming arraysWave backgroundNANOGravPower lawSpectraResidual spectrumGWDiscrete naturePulsarObservatoryBinariesRealization
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