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Infrared Dust Emission in Galaxies and Spectral Distortion of Microwave Background
Published online by Cambridge University Press: 08 February 2017
Extract
Recent observations (Matsumoto et al., 1988) indicate that at submillimeter wavelengths the spectrum of the cosmic background radiation (CBR) deviates from that of Planckian blackbody with a temperature T0R = 2.76 K. The relative excess of the flux ζ(v) = [F(v) – F0(v)] / F0(v) (where F(v) and F0(v) are the registered flux and the flux of the blackbody radiation at the frequency of the observations) are 0.6 at a frequency v1 = 380 GHz (λ = 709 μm) and 3.4 at a frequency v2 = 624 GHz (λ = 481 μm).
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- IV. Extragalactic Background Radiation and Cosmology
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- Copyright © Kluwer 1990