Anisotropy in the Hubble parameter and large-scale cosmological inhomogeneity

Details Anisotropy in the Hubble parameter and large-scale cosmological inhomogeneity Anisotropy in the Hubble parameter and large-scale cosmological inhomogeneity

Oct 1977

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977mnras.181..121f&link_type=abstract

Monthly Notices of the Royal Astronomical Society, vol. 181, Oct. 1977, p. 121-130.

Astronomy and Astrophysics

Astronomy

6

Anisotropic Media, Big Bang Cosmology, Inhomogeneity, Astronomical Models, Background Radiation, Microwave Emission, Milky Way Galaxy, Normal Density Functions, Red Shift

Scientific paper

The reported anisotropy of the Hubble expansion parameter is analyzed within the context of a possible large-scale inhomogeneity. The data are fitted to a tilted self-similar cosmology with a Gaussian density distribution superposed on a homogeneous Universe. The particular model sets the inhomogeneous region's diameter at 540 Mpc, with our Galaxy 120 Mpc from the center, which is toward right ascension 12 hr 42 min, declination + 20 deg (1950.0). This eliminates the conflict between the anomaly and the isotropy of the microwave background.

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