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Issue A&A
Volume 445, Number 3, January III 2006
Page(s) 819 - 825
Section Cosmology (including clusters of galaxies)
DOI http://dx.doi.org/10.1051/0004-6361:20053623



A&A 445, 819-825 (2006)
DOI: 10.1051/0004-6361:20053623

Identification and study of systems of galaxies in the Shapley supercluster

C. J. Ragone1, 2, H. Muriel1, 2, D. Proust3, A. Reisenegger4 and H. Quintana4

1  Grupo de Investigaciones en Astronomía Teórica y Experimental, IATE, Observatorio Astronómico, Laprida 854, Córdoba, Argentina
2  Consejo de Investigaciones Científicas y Técnicas de la República Argentina
    e-mail: [cin;hernan]@oac.uncor.edu
3  GEPI, Observatoire de Paris-Meudon, 92195 Meudon Cedex, France
    e-mail: Dominique.Proust@obspm.fr
4  Departamento de Astronomía y Astrofísica, Pontificia Universidad Católica de Chile, Casilla 306, Santiago 22, Chile
    e-mail: [areisene;hquintana]@astro.puc.cl

(Received 13 June 2005 / Accepted 7 September 2005)

Abstract
Based on the largest compilation of galaxies with redshift in the region of the Shapley Supercluster (Proust et al. 2004, P2004), we identified 122 galaxy systems, 60 of which are new systems. Using the SuperCOSMOS catalogue, we have assigned bj magnitudes to each galaxy in our compilation. The sample of galaxy systems was used to estimate the mass function of systems in the range 1013 to 1015  ${M_{\odot}}\,h^{-1}$. We computed a lower value to the total mass in the region of the Shapley Supercluster with this mass function. Using 15 mock catalogues we derived the mean mass that these kinds of systems have before comparing it with that obtained from the real data.


Key words: galaxies: clusters: general

SIMBAD Objects



© ESO 2006


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