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    • Contacts
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    • Science Programme
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    • Poster Session
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  • Media
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Poster

id
Clustering effects on GWs Dark Sirens determination of Ho
Gravitational Waves
Marios
Kalomenopoulos
Date Submitted
2021-04-29 00:00:00
University of Edinburgh
Gravitational waves (GWs) can be used to measure the Hubble parameter. The optimal technique, a "Standard Siren", requires the identification of the electromagnetic (E/M) counterpart of the GW source. However, a significant fraction of GWs will not have E/M counterparts. Such "Dark Sirens" can still help constrain the Hubble parameter by statistical techniques. In this work we investigate the power of this method using high-resolution, cosmological simulations that include realistic clustering effects. In addition, we quantify the role of catalogue incompleteness, i.e. the lack of certain galaxies from our catalogues due to observational limitations, when applying this technique.

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