Astronomy and Astrophysics – Astrophysics
Scientific paper
2000-12-11
Astronomy and Astrophysics
Astrophysics
5 pages, 3 figures, to appear in Constructing the Universe with Clusters of Galaxies (IAP 2000 meeting, Paris), ed. F. Durret
Scientific paper
We are engaged in a program with the Cosmic Background Imager (CBI), a 13-element interferometer recently installed at 5000 m in the Chilean Andes, to measure H_0 with 10% accuracy through observations of the Sunyaev-Zel'dovich effect in a sample of nearby clusters. We discuss the capabilities of this new instrument and present our cluster sample and selection criteria, along with results from detailed simulations. We also present preliminary observations of Abell 478.
Mason Brian S.
Readhead Anthony C. S.
Udomprasert Patricia S.
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