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Annual meeting of the French Society of Astronomy and Astrophysics, France (2011)

Extragalactic science with EMIR-GTC

R. Pelló 1, F. Garzón 2, M. Balcells 2, F. Boone 1, N. Cardiel 3, J. G. Cuby 4, J. Gallego 3, R. Guzmán 5, M. Hayes 1, P. Hudelot 6, J.-P. Kneib 4, N. Laporte 1, J. F. Le Borgne 1, Y. Mellier 6, M. Prieto 7, J. Richard 8, D. Schaerer 1, L. Tresse 4

(12/2011)

EMIR is a wide-field, near-IR spectrograph currently under development for the Nasmyth focus of the Spanish 10.4m GTC at Canary Islands. EMIR will provide imaging and multi-slit spectroscopy in the ˜1-2.5 micron domain at a resolution of R˜5000-4000. This paper reviews the status of the project, including instrumental developments and main science drivers, focusing the GOYA Survey, a scientific program to be developed mainly using the guaranteed time of the international consortium building EMIR. The GOYA project addresses the formation and evolution of galaxies, in particular the structure, dynamics and integrated stellar populations of galaxies at high redshift. One of the main goals of the GOYA survey is the identification and study of z ≥ 7 sources, both in lensing clusters and in the field. The aim is to build up a statistically significant sample of galaxies with secure redshifts, and to study their physical properties using their broad-band spectral energy distribution in one hand, and their emission line properties on the other hand. The first results obtained from our photometric surveys in lensing fields and in the blank field CFHT WIRCAM Ultra Deep Survey (WUDS), which are intended to provide a robust selection of targets for GOYA, are also presented and briefly discussed.

1 :	Institut de recherche en astrophysique et planétologie (IRAP)
	CNRS : UMR5277 – Université Paul Sabatier [UPS] - Toulouse III – Observatoire Midi-Pyrénées
2 :	Instituto de Astrofisica de Canarias
	INSTITUTO DE ASTROFÍSICA DE CANARIAS
3 :	Departamento de Astrofisica
	Universidad Complutense de Madrid
4 :	Laboratoire d'Astrophysique de Marseille (LAM)
	CNRS : UMR6110 – INSU – Université de Provence - Aix-Marseille I
5 :	Laboratoire de Météorologie Dynamique (LMD)
	CNRS : UMR8539 – INSU – Université Pierre et Marie Curie [UPMC] - Paris VI – Polytechnique - X – Ecole normale supérieure de Paris - ENS Paris
6 :	Institut d'Astrophysique de Paris (IAP)
	CNRS : UMR7095 – INSU – Université Pierre et Marie Curie [UPMC] - Paris VI
7 :	Dep. Fisica Aplicada III
	Universidad Complutense
8 :	Centre de Recherche Astrophysique de Lyon (CRAL)
	CNRS : UMR5574 – INSU – Université Claude Bernard - Lyon I – École Normale Supérieure - Lyon

Domaine

:

Planète et Univers/Astrophysique/Cosmologie et astrophysique extra-galactique Physique/Astrophysique/Cosmologie et astrophysique extra-galactique

Mots Clés : surveys – galaxies: high-redshift – gravitational lensing: strong – cosmology: dark ages – reionization – first stars

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Contributeur : Johan Richard <>

Soumis le : Lundi 16 Janvier 2012, 11:02:54

Dernière modification le : Mercredi 18 Janvier 2012, 16:35:43