Star forming galaxies vs. AGN in Galaxy Cluster CL0024+1654

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Both stellar formation and AGN abundance is known to be sensitive to environment, being generally accepted that the ratio of star forming galaxies and AGNs versus quiescent members of Galaxy Clusters are smaller than that in the field at similar redshift. Carefully mapping both populations will distinguish among the different processes involved and the connection between those affecting the stellar formation activity and those acting on the AGN. We have performed a deep Halpha/[NII] survey on CL0024+1654 using the Tunable Filters of OSIRIS at GTC, what allow us to differentiate both lines as well as fully cover two virial radii of the cluster projected area. This technique poses no selection bias since all the objects in the FOV are observed with a resolution difficult to obtain with integral field spectroscopy. The 3D spatial distribution of both AGNs and SB galaxies will be analysed in the talk as well as the different implications of their grouping. CL0024+1654 is a rich, non relaxed Galaxy Cluster at z~0.4.

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