Abstract
view Abstract Citations (6) References (29) Co-Reads Similar Papers Volume Content Graphics Metrics Export Citation NASA/ADS The development of density perturbations after the recombination. Cavaliere, A. ; Danese, L. ; de Zotti, G. Abstract The variation of the total energy of a self-gravitating system due to a spheroidal shape of initial density perturbations after the recombination epoch is considered. The analysis of the special case of spherical symmetry is reviewed, and results are reported for a study of oblate spheroidal perturbations with an initial positive eccentricity and which initially follow the unperturbed Hubble flow. It is shown how the bounds for the spherical model envelop the spheroidal ones, and stochastic variations of the total energy related to the stochastic distribution of the initial density contrast are examined. The ensuing distribution of a cluster's dynamical and morphological properties is computed. The results are found to be consistent with catalog data. Publication: The Astrophysical Journal Pub Date: April 1978 DOI: 10.1086/156040 Bibcode: 1978ApJ...221..399C Keywords: Cosmology; Galactic Clusters; Galactic Evolution; Recombination Reactions; Space Density; Hubble Diagram; Red Shift; Spheroids; Velocity Distribution; Astrophysics; Universe:Density Perturbations full text sources ADS |
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