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Paper: The ESO Nearby Abell Cluster Survey: Properties of the Galaxies
Volume: 176, Observational Cosmology: The Development of Galaxy Systems
Page: 3
Authors: Katgert, P.; Adami, C.; de Theije, P.; Mazure, A.; Thomas, T.; Biviano, A.
Abstract: In this paper we summarize the main properties of the ENACS (the ESO Nearby Abell Cluster Survey), which was one of the ESO Keyprogrammes carried out in the first half of the 1990's, and we discuss some recent work on the properties of the galaxies in the rich clusters in the ENACS sample. We stress the importance of the ENACS sample as a local, volume-limited sample of rich ACO clusters, which in many respects can serve as a local calibration of the properties of optically selected rich clusters. However, by itself the ENACS has also provided several useful insights into the properties of a sample of rich clusters, and of the galaxies in them. Here, we describe recent results on the properties of the galaxies in the ENACS clusters: in particular their morphological types (inferred from the spectrum) and their projected distribution. Combining the morphological data with CCD photometry and internal velocity dispersions, we will study the Fundamental Plane of early-type galaxies. We discuss some preliminary results about the universality of the Fundamental Planes in a few ENACS clusters. For a summary of the results based on the velocity information obtained within ENACS, we refer the reader to the companion review by Biviano et al. in this volume.
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