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Is the deficit of z > 1 field ellipticals real ?

2000/08/16 by E. Daddi
Physics and Astronomy · #astro-ph

paper · pdf

published as Astrophys.Space Sci. 277 (2001) 531-534 · 4 pages, 3 figures in Latex-Kluwer style. To be published in the proceedings of the Granada Euroconference "The Evolution of Galaxies.I-Observational Clues"

arxiv created 2000/08/16 · arxiv updated 2009/12/01

Abstract

The results of a 700 arcmin2 survey for EROs are presented. The sky distribution of EROs is very inhomogeneous and their two point correlation function shows a very high amplitude, a factor of 10 larger than that of the field galaxy population. Such a clustering can explain the strong variance found in previous works, and provides evidence that ERO are mostly made of high-z ellipticals. The surface density of EROs found in our large survey is in good agreement with that expected for passively evolving ellipticals formed at high redshift (z\simgt2.5).

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