Messengers of the very early universe: Gravitational Waves and Primordial Black Holes

Session

13th afternoon part 2

13 Dec 2022, 16:00

Sala Grande (Centro Universitario Padovano)

68. Pulsar Timing Arrays: The Next Window to Open on the Gravitational-Wave Universe

Chiara Mingarelli

13/12/2022, 16:00

Invited Talk

Galaxy mergers are a standard aspect of galaxy formation and evolution, and most (likely all) large galaxies contain supermassive black holes. As part of the merging process, the supermassive black holes should in-spiral together and eventually merge, generating a background of gravitational radiation in the nanohertz to microhertz regime. An array of precisely timed pulsars spread across the...