An Upper Limit to Arc-Minute Scale Anisotropies in the Cosmic Microwave Background Radiation at 2.1 MM

Details An Upper Limit to Arc-Minute Scale Anisotropies in the Cosmic Microwave Background Radiation at 2.1 MM An Upper Limit to Arc-Minute Scale Anisotropies in the Cosmic Microwave Background Radiation at 2.1 MM

Dec 1995

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995aas...187.6706c&link_type=abstract

American Astronomical Society, 187th AAS Meeting, #67.06; Bulletin of the American Astronomical Society, Vol. 27, p.1377

Astronomy and Astrophysics

Astronomy

Scientific paper

We present limits on anisotropy in the cosmic microwave background radiation (CMB) on angular scales of 1'--4'. The observations were made at a wavelength of 2.1mm using the Sunyaev-Zel'dovich Infrared Experiment (SuZIE) bolometer array at the Caltech Submillimeter Observatory (CSO). Two patches of sky (36'x 4'), free of known sources, were observed for a total of 7 hours each, achieving a sensitivity of 150mu K in each of ~ 80 independent 1farcm7 pixels. These data have been combined with various ``toy'' models for the correlation function of CMB anisotropies. A gaussian autocorrelation function (GACF) sets limits of Delta T/T < 2x 10(-5) for coherence angles 0.6'

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