The GaLAxy Cluster Evolution survey (GLACE): introduction and first results

Sánchez-Portal, M.; Cepa, J.; Pintos-Castro, I.; Pérez-Martínez, R.; Smail, I.; Alfaro, E.; Altieri, B.; Aragón-Salamanca, A.; Balkowski, C.; Balogh, M.; Biviano, A.; Bongiovanni, A.; Bremer, M.; Castander, F.; Castañeda, H.; Castro-Rodríguez, N.; Coia, D.; Duc, P. A.; Geach, J.; González-Serrano, I.; Haines, C.; McBreen, B.; Metcalfe, L.; Pérez-Fournón, I.; Pérez García, A.; Poggianti, B.; Rodríguez-Espinosa, J. M.; Smith, G. P.; Temporin, G.; Valtchanov, I.
Highlights of Spanish Astrophysics VI, Proceedings of the IX Scientific Meeting of the Spanish Astronomical Society (SEA), held in Madrid, September 13 - 17, 2010, Eds.: M. R. Zapatero Osorio, J. Gorgas, J. Maíz Apellániz, J. R. Pardo, and A. Gil de Paz., p. 353-360


Aimed at understanding the evolution of galaxies in clusters, the GLACE survey is mapping a set of optical lines ([OII]3727, [OIII]5007, Hβ and Hα/[NII] when possible) in several galaxy clusters at z ˜ 0.40, 0.63 and 0.86, using the Tuneable Filters (TF) of the OSIRIS instrument (Cepa et al. 2005) at the 10.4 m GTC telescope. This study will address key questions about the physical processes acting upon the infalling galaxies during the course of hierarchical growth of clusters. GLACE is already ongoing: we present some preliminary results on our observations of the galaxy cluster Cl0024+1654 at z = 0.395; GLACE@0.86 has been approved as ESO/GTC large project to be started in 2011.