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      Galaxy formation from dry and hydro simulations

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          Abstract

          The effects of dry and wet merging on the Scaling Laws (SLs) of elliptical galaxies (Es) are discussed. It is found that the galaxy SLs, possibly established at high redshift by the fast collapse of gas-rich and clumpy stellar distributions in preexisting dark matter halos following the cosmological SLs, are compatible with a (small) number of galaxy mergers at lower redshift.

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          Publication date Created: 27 August 2009
          Article
          DOI: 10.1017/S1743921310008380
          ArXiV ID: 0908.3992
          SO-VID: c49013a7-4779-4ef9-8d3e-7f82242db3e9
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          http://arxiv.org/licenses/nonexclusive-distrib/1.0/

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          Comments 1 page, no figures. Invited talk to Joint Discussion 01 "Dark Matter in Early-Type Galaxies". To appear in Highlights of Astronomy, Vol. 15, Proc. of the XXVIIth IAU General Assembly, Rio de Janeiro, Brazil, August 2009, eds. L.V.E. Koopmans and T. Treu, Cambridge University Press
          Categories astro-ph.CO astro-ph.GA

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