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    Southern Hemisphere measurements of the anisotropy in the cosmic microwave background radiation (1979)
    In:  Other Sources
    Details
    Publication Date: 2019-06-27
    Description: A recent airborne measurement of the large-angular-scale anisotropy in the cosmic background radiation from the Southern Hemisphere (Lima, Peru) is in essential agreement with previous measurements from the northern hemisphere. The net anisotropy from the combined data can be described by a first-order spherical harmonic (Doppler) anisotropy of amplitude 3.1 plus or minus 0.4 mK with a quadrupole component of less than 1 mK. Additional ground-based measurements of the linear polarization yield an upper limit of l mK, or one part in 3000, at 95% confidence level for the amplitudes of any spherical harmonic through third order.
    Keywords: SPACE RADIATION
    Type: Astrophysical Journal; vol. 234
    Format: text
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