Cosmological deductions from the alignment of local gravity and motion

Details Cosmological deductions from the alignment of local gravity and motion Cosmological deductions from the alignment of local gravity and motion

Nov 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989mnras.241..325l&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 241, Nov. 15, 1989, p. 325-345.

Statistics

Computation

112

Cosmology, Gravitation, Local Group (Astronomy), Relic Radiation, Centaurus Constellation, Computational Astrophysics, Gravitational Fields

Scientific paper

The precise alignment of the Local Group's motion through the cosmic microwave background and the net optical flux determined from galaxy catalogs is emphasized. Using Peebles' formula, the ratio of the optical dipole to the rate of incresse of the optical monopole is used to determine Omega directly on the scale of 1 percent of the Hubble radius. Allowance is made for unobserved galaxies in all major galaxy associations out to at least 10,000 km/sec. Huchra's catalog of radial velocities (1987) is used to demonstrate that the sources of the optical flux dipole are nearer than 3500 km/sec. The Centaurus Concentration at about 4300 km/sec is not the cause of the Local Group's motion; however, it contributes, and the long axis of the light quadrupole points to it.

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