Sensitive measurement of fluctuations in the cosmic microwave background

Details Sensitive measurement of fluctuations in the cosmic microwave background Sensitive measurement of fluctuations in the cosmic microwave background

Apr 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987natur.326..462d&link_type=abstract

Nature (ISSN 0028-0836), vol. 326, April 2, 1987, p. 462-465.

Physics

142

Angular Distribution, Relic Radiation, Anisotropy, Galactic Evolution, Mass Distribution, Temperature Distribution

Scientific paper

Extensive high sensitivity observations of the cosmic microwave background have been made on an angular scale of 8° covering a substantial fraction of the northern sky. An observed anisotropy in the sky emission at a level of ΔT/T = 3.7×10-5 has been detected (T is temperature). This level should strictly be interpreted as an upper limit to the cosmic microwave background fluctuations. It is possibly the direct imprint of density perturbations in the early universe.

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