The buildup of E–S0 galaxies at z < 2 from pure luminosity evolution models



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Eliche Moral, María del Carmen and Prieto, M. and Barro, Guillermo and Balcells, M. and Gallego Maestro, Jesús and Pérez González, Pablo Guillermo and Zamorano Calvo, Jaime and Cardiel López, Nicolás and Gil de Paz, Armando and Guzmán, R. and Pelló, R. and Villar, V. (2010) The buildup of E–S0 galaxies at z < 2 from pure luminosity evolution models. Gighlights of Spanich Astrophysics . p. 289. ISSN 1570-6591

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Considering that the recent history of E-S0’s can be approximated by Pure Luminosity Evolution (PLE), we have examined a set of PLE models in order to de-limit the epoch in which the majority of the red galaxy population moved away this simple evolution framework. The models assume that they were assembled and formed most of their stars at a given formation redshift (zf), and that they have evolved without merging or substantial dust obscuration since then. Comparing the model predictions with real data, we conclude that most of E-S0’s at low and inter-mediate luminosities must have been progressively built up at 1 < z < 2, being the bulk of formation at z ∼ 1.5, as recently claimed by several observational studies.

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© Springer-Verlag Berlin Heidelberg 2010. Scientific Meeting of the Spanish-Astronomical-Society (SEA) (8th; 2008; Santander-SPAIN).

Uncontrolled Keywords:Observational study model; Prediction evolution; Model real; Data recent history
Subjects:Sciences > Physics > Astrophysics
ID Code:59868
Deposited On:15 Apr 2020 08:46
Last Modified:15 Apr 2020 08:46

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