Astronomy and Astrophysics – Astrophysics
Scientific paper
Jun 1987
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987apj...317l..45s&link_type=abstract
Astrophysical Journal, Part 2 - Letters to the Editor (ISSN 0004-637X), vol. 317, June 15, 1987, p. L45-L49.
Astronomy and Astrophysics
Astrophysics
43
Big Bang Cosmology, Microwave Spectra, Relic Radiation, Universe, Centimeter Waves, Temperature Measurement
Scientific paper
The temperature of the cosmic microwave background radiation has been measured at wavelengths of 0.33, 3.0, 8.2, and 21.3 cm. These measurements represent a continuation of the work reported in 1985 by Smoot et al. The new results have a weighted average of 2.70 + or - 0.05 K and are consistent with past measurements. They limit the possible distortion of the cosmic microwave background radiation spectrum to less than 6 percent. The results of all measurements to date are consistent with a Planckian spectrum with temperature 2.74 + or - 0.02 K spanning a wavelength range of 0.l-50 cm.
Bensadoun Marc
Bersanelli Marco
de Amici Giovanni
Kogut Alan
Levin Steve
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