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Bridging the Population Synthesis of Supermassive Binary Black Holes and the Gravitational Wave Background
Kanyuni Iemoto, Boris Goncharov, Gabriela Sato-Polito +1
Pulsar Timing Arrays (PTAs) constrain population properties of supermassive binary black holes (SMBHBs) through the observation of the gravitational wave background (GWB). Unlike o…
Anisotropies in the PTA gravitational wave background: what can they teach us about supermassive black hole binaries?
Matias Zaldarriaga, Gabriela Sato-Polito
The gravitational wave background detected by pulsar timing arrays is sourced by a finite population of supermassive black hole binaries, and is therefore anisotropic. We ask what…
Summary statistic for pulsar timing arrays
Gabriela Sato-Polito, Matias Zaldarriaga, Barak Zackay
The timing residuals produced by gravitational-wave signals can be described as an incoherent (pulsar term) contribution and a coherent (Earth term) map on the sky, which PTAs meas…
A Joint Optimal Search for Gravitational Waves from Resolved and Unresolved Supermassive Binary Black Holes with Pulsar Timing Arrays
Boris Goncharov, Gabriela Sato-Polito, Xiaoming Bi +1
We introduce, from first principles, a joint model of the gravitational wave background (GWB) and brightest supermassive black hole binary (SMBHB) sources that may be individually…