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8 MARZO 2024 ore 11:30
Colloquium
Nanohertz gravitational waves from pulsar timing arrays
Dr. Golam Shaifullah (Università degli Studi di Milano-Bicocca, Italia)
![Nanohertz gravitational waves from pulsar timing arrays](https://www.oa-cagliari.inaf.it/public/2024030609030409783.png)
Pulsar timing arrays (PTAs) use observations of millisecond pulsars to detect nanohertz gravitational waves. In June 2023, 4 PTAs presented the results of such searches in their datasets and found compelling evidence for the spatial correlations characteristic of the gravitational wave background. I will introduce how we search pulsar timing array data for gravitational wave signals and summarise the results of recent searched of the European PTA data.