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- University of TartuEE251 papers
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8 papers · 1 filter
Regularity of the large-scale structure of the Universe
J. Einasto
The distribution of Abell-ACO clusters of galaxies shows that clusters located in rich superclusters form a quasiregular network with step size 120 Mpc. The power spectrum of clust…
Has the Universe a honeycomb structure?
J. Einasto
Recent analysis of the distribution of clusters of galaxies is reviewed. Clusters of galaxies located in rich superclusters form a quasiregular lattice similar in structure to hone…
Power Spectrum of Velocity Fluctuations in the Universe
M. Gramann
We investigate the power spectrum of velocity fluctuations in the universe, , starting from four different measures of velocity: (1) the power spectrum of velocity fluctuat…
A built-in scale in the initial spectrum of density perturbations: evidence from cluster and CMB data
F. Atrio-Barandela, J. Einasto, S. Gottlöber +2
We calculate temperature anisotropies of the cosmic microwave background (CMB) for several initial power spectra of density perturbations with a built-in scale suggested by recent…
The supercluster--void network III. The correlation function as a geometrical statistic
J. Einasto, M. Einasto, P. Frisch +5
We investigate properties of the correlation function of clusters of galaxies using geometrical models. On small scales the correlation function depends on the shape and the size o…
The supercluster--void network II. An oscillating cluster correlation function
J. Einasto, M. Einasto, P. Frisch +7
We use rich clusters of galaxies in the Northern and Southern Galactic hemispheres up to a redshift z=0.12 to determine the cluster correlation function. We show that superclusters…