Paper:	Galaxy Transformation in the Cluster Environment
Volume:	240, Gas and Galaxy Evolution: A Conference in Honor of the 20th Anniversary of the VLA
Page:	613
Authors:	Bower, R. G.
Abstract:	This talk discusses the transformation of galaxies as they fall into clusters. In particular, I focus on how star formation in field galaxies is suppressed by the cluster environment. I describe numerical simulations of ram-pressure stripping of galaxies in dense clusters, showing that this process is likely to be extremely efficient in the cores of dense clusters. However, it is not clear whether this is consistent with what is observed: I discuss measurements of the star formation rate in clusters using the Hα emission line. The implication of this work is that the decline in the star formation rate begins well outside the cluster core.

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