Search for structures in the cosmic microwave background radiation

Details Search for structures in the cosmic microwave background radiation Search for structures in the cosmic microwave background radiation

Jan 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993ipesprept.....d&link_type=abstract

M.S. Thesis, 1992 Instituto de Pesquisas Espaciais, Sao Jose dos Campos (Brazil).

Other

Background Radiation, Cosmic Rays, Microwaves, Random Processes, Temperature Distribution, Galactic Evolution, Microwave Radiometers

Scientific paper

We applied a method to search for fluctuations in the cosmic microwave background radiation based on the assumption that such fluctuations can be described by a random Gaussian field. We used two maps, one at 3.3 mm and another obtained combining the 3.3 mm and 12 mm maps, both experiments had beam size of 7 degrees (FWHM). Although two regions, one hot and another cold, have been detected in the 3.3 mm data set at 2 sigma (or 95.45% of C.L.), they cannot be considered as Hot or Cold Spots because both structures were smaller than the region covered by the beam size.

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