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arxiv: astro-ph/0210303 · v1 · submitted 2002-10-14 · 🌌 astro-ph

CMB observations with the Cosmic Background Imager (CBI) Interferometer

C.R.Contaldi , J.R.Bond , D.Pogosyan , B.S.Mason , S.T.Myers , T.J.Pearson , U.L.Pen , S.Prunet
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A.C.Readhead M.I.Ruetalo J.L.Sievers J.W.Wadsley P.J.Zhang
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keywords fieldsobservationscoveringdeepobtainedtotalangularanisotropies
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We review the recently published results from the CBI's first season of observations. Angular power spectra of the CMB were obtained from deep integrations of 3 single fields covering a total of 3 deg^2 and 3 shallower surveys of overlapping (mosaiced) fields covering a total of 40 deg^2. The observations show a damping of the anisotropies at high-l as expected from the standard scenarios of recombination. We present parameter estimates obtained from the data and discuss the significance of an excess at l>2000 observed in the deep fields.

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