[51.14] Cosmology with the Cosmic Microwave Background Radiation and the Sunyaev-Zel'dovich Effect

AAS 200th meeting, Albuquerque, NM, June 2002
Session 51. The New Radio Universe
Topical Session Oral, Wednesday, June 5, 2002, 8:30-10:00am, 10:45am-12:30pm, 2:30-4:00pm, 4:15-6:00pm, Ballroom C

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[51.14] Cosmology with the Cosmic Microwave Background Radiation and the Sunyaev-Zel'dovich Effect

A.C.S. Readhead, T.J. Pearson, B. S. Mason, M.S. Shepherd, J. Sievers, P.S. Udomprasert, J.K. Cartwright, S. Padin, A. Farmer (California Institute of Technology), S.T. Myers (NRAO), J.R. Bond, C.R. Contaldi, U. Pen, D. Pogosyan, S. Prunet (Canadian Institute of Theoretical Astrophysics), W.L. Holzapfel (U. C. Berkeley), J.E. Carlstrom, E.M. Leitch, J. Kovac, C. Pryke (University of Chicago), L. Bronfman, J. May, P. Altamirano (Universidad de Chile), M. Joy (Marshall Space Flight Center)

Observations of the intrinsic anisotropy in the cosmic microwave background radiation (cmbr) and the scattering of cmbr photons in clusters of galaxies due to the Sunyaev-Zel'dovich Effect provide a powerful new method of measuring fundamental cosmological parameters, including the geometry of the universe, the baryonic and non-baryonic matter content of the universe, the cosmological constant, the Hubble Constant and the slope of the primordial density fluctuation spectrum. The spectacular recent successes of balloon-borne payloads and of radio interferometers in this rapidly developing field will be summarized, and new results from the Cosmic Background Imager (CBI), which has been making observations of the cmbr since January 2000 from a site at an altitude of 16,700 feet in the Chilean Andes, will be presented.

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