Measurements of the SZE in a Complete Sample of Nearby Clusters of Galaxies

Astronomy and Astrophysics – Astronomy

Scientific paper

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Scientific paper

Matter density and gravitational potential fluctuations in the Early and Late Universe imprint characteristic signatures on the Cosmic Microwave Background that can in principle be decoded through high-precision radio wavelength observations. Recent results from programs that put this into practice will be presented. The focus of the talk will be the Penn-OVRO Sunyaev-Zeldovich Survey, which targets a complete X-ray selected sample of nearby massive clusters of galaxies and has yielded a robust measurement of the baryonic mass in the intercluster medium, as well as a determination of the Hubble Constant. The future of these programs in the context of the Cosmic Background Imager project will also be discussed.

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