Identifying AGN in Galaxy Cluster Environments

Astronomy and Astrophysics – Astronomy

Scientific paper

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Scientific paper

A better understanding of AGN in cluster environments may provide clues to the reasons for their ignition and the subsidence throughout cosmic evolution. Furthermore, if this activity is related to the hierarchical growth of structure, as has been suggested, study of their distribution and nature will allow us to test structure formation models.Here we present identifying spectra of AGN candidates in a sample of weak lensing shear-selected clusters. In this poster we discuss the distribution of these AGN relative to lensing, optical and X-ray cluster structure. These candidates have been identified through X-ray data and optical/NIR color selection techniques, and therefore also allow us to investigate the biases of AGN selection, which impact our understanding of their evolution and lifetimes.

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