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Interpretation of the galaxy structure surrounding the Local Supercluster
Georges Paturel, Hélène Di Nella, Jean-Noël Terry et Gilles Theureau
After numerical simulations by E. Praton, we interprete the cocoon-like structure observed for the distribution of galaxies around us as an effect of infall velocities onto cluster…
Long-range (fractal) correlations in the LEDA database
H. Di Nella, M. Montuori, G. Paturel +2
All the recent redshift surveys show highly irregular patterns of galaxies on scales of hundreds of megaparsecs such as chains, walls and cells. One of the most powerful catalog of…
Possible Connexion Between Large Scale Structures
Helene Di Nella, Georges Paturel
From the Lyon-Meudon Extragalactic Database LEDA, we constructed a sample of 27,000 galaxies with radial velocities smaller than 15,000 km s. From this first sample we selec…