#GWGreatestHits The largest Gravitational Wave Transient Catalog for detections between 2015-2020 was released during the third observing run O3. Most of the events were mergers of black holes, while two were neutron-star black hole mergers. Analysis of these mergers revealed a wealth of information, such as an improved estimate of the expansion rate of the Universe.
An international team of researchers, including Indian researchers from the LIGO-India Scientific Collaboration (LISC), such as Dr Surhud More from the Inter-University Centre for Astronomy & Astrophysics (IUCAA), Pune, played a key role in the determination of the Hubble constant using GW data and associated galaxy catalogs.
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