New limits on small-scale angular fluctuations in the cosmic microwave background

Details New limits on small-scale angular fluctuations in the cosmic microwave background New limits on small-scale angular fluctuations in the cosmic microwave background

Feb 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980apj...235..681p&link_type=abstract

Astrophysical Journal, Part 1, vol. 235, Feb. 1, 1980, p. 681-687. Research supported by Haverford College and NSF.

Astronomy and Astrophysics

Astrophysics

31

Background Radiation, Celestial Bodies, Cosmic Rays, Interstellar Radiation, Microwave Spectra, Perturbation Theory, Brightness Temperature, Cosmology, Statistical Analysis, Telescopes, Temperature Effects

Scientific paper

The paper reports on the search of two regions at delta = 80 deg for fluctuations in the cosmic microwave background. No significant evidence for small-scale anisotropies was found. It is shown that at the 95% confidence level, the upper limit on fluctuations Delta T/T was about 2 x 10 to the -4th on angular scales comparable to the beam width (3.6 arc min). Finally, on a larger angular scale of 7 arc min, the upper limit was Delta T/T is less than about 8 x 10 to the -5th

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