Blurring of spatial fluctuations of the microwave background in the case of scattering in molecular lines

Details Blurring of spatial fluctuations of the microwave background in the case of scattering in molecular lines Blurring of spatial fluctuations of the microwave background in the case of scattering in molecular lines

Feb 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993astl...19...53d&link_type=abstract

Astronomy Letters, Vol. 19, p. 53-54; Pis'ma v Astronomicheskii Zhurnal (ISSN 0320-0108), vol. 19, no. 2, p. 132-135. In Russia

Astronomy and Astrophysics

Astronomy

26

Molecular Spectra, Relic Radiation, Spatial Distribution, Thomson Scattering, Deuterium Compounds, Line Spectra, Periodic Variations

Scientific paper

Radiation scattering by molecules in the expanding universe at redshifts of z = 30 to 50 is considered. It is shown that the presence of a molecule such as H2D(+) can result in a 'curtain' effect that blurs the primary spatial fluctuations of the microwave background. The necessary abundances of this molecule are estimated, and features of the secondary fluctuations are discussed.

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