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Type:
Abstract
Title:
Microwave background anisotropies implied by large-scale galaxy correlations - The minimum of C(0) and cosmological parameters
Authors:
Kashlinsky, A.
Affiliation:
AA(NASA, Goddard Space Flight Center, Greenbelt, MD; California, University, Berkeley)
Journal:
Astrophysical Journal, Part 2 - Letters (ISSN 0004-637X), vol. 383, Dec. 10, 1991, p. L1-L5. (ApJ Homepage)
Publication Date:
12/1991
Origin:
STI
Aabstract Copyright:
Bibliographic Code:
1991ApJ...383L...1K
Doc-summary/Abstract:
Data from a recent APM survey are used to show that large-scale galaxy correlations found there imply the existence of measurable microwave background radiation (MBR) anisotropies on scales greater than several degrees. It is shown that sq rt C(0) is not less than 3.5 x 10 exp -5 if the APM data are used at Theta-0 = 20 deg, or sq rt C(0) is not less than 2.8 x 10 exp -5 if Theta-0 = 10 deg is used. These numbers are almost independent of the cosmological parameters Omega, Lambda, and the redshift of the last scattering surface. For finite-beamwidth experiments the minimal fluctuations depend on the cosmological parameters. The minimal anisotropies are smaller in a low-Omega universe.
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