Non-spherical structures and the microwave background radiation

Details Non-spherical structures and the microwave background radiation Non-spherical structures and the microwave background radiation

Jun 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989mnras.238.1431a&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 238, June 15, 1989, p. 1431-1446. Research supported by

Astronomy and Astrophysics

Astronomy

8

Background Radiation, Cosmology, Microwaves, Relic Radiation, Universe, Anisotropy, Dipoles, Quadrupoles

Scientific paper

The effect of homogeneous spheroidal structures on large angle-scale microwave background radiation anisotropies is investigated. These structures are assumed to be linear perturbations in an Einstein-de Sitter universe. The present data are compared with dipole and quadrupole results in order to constrain the characteristics of elongated or flattened lumps (or voids). Analytical approximations are derived for the quadrupoles generated by structures inside the horizon.

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