The existence of very large-scale structures in the universe

Details The existence of very large-scale structures in the universe The existence of very large-scale structures in the universe

Sep 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989a%26a...221..197g&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 221, no. 2, Sept. 1989, p. 197-203. Research supported by CAICYT, Comision Mix

Astronomy and Astrophysics

Astrophysics

2

Cosmology, Quasars, Relic Radiation, Universe, Cosmic X Rays, Galactic Clusters, Hubble Diagram

Scientific paper

Assuming that the dipole moment observed in the cosmic background radiation can be interpreted as a consequence of the motion of the observer toward a nonlocal and very large-scale structure in the universe, the perturbation of the m-z relation by this inhomogeneity, the dynamical contribution of sources (in particular QSOs) to the dipole anisotropy in the X-ray background, and the imprint that several structures with such characteristics would have had on the microwave background at the decoupling are studied. It is concluded that in this model the observed anisotropy in the microwave background on intermediate angular scales may be in conflict with the existence of superstructures like those proposed in recent papers by Melnick and Moles (1987) and Shaver (1987).

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