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Oxford University Press, Monthly Notices of the Royal Astronomical Society, 4(449), p. 3927-3944, 2015

DOI: 10.1093/mnras/stv500

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Morphological Fractions of Galaxies in WINGS Clusters: revisiting the Morphology-Density Paradigm

Journal article published in 2015 by G. Fasano, B. M. Poggianti, D. Bettoni, M. D'Onofrio, M. Donofrio, A. Dressler, B. Vulcani ORCID, A. Moretti ORCID, M. Gullieuszik, J. Fritz, A. Omizzolo, A. Cava, W. J. Couch, M. Ramella, A. Biviano
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This paper is available in a repository.

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Abstract

We present the Morphology-Density and Morphology-Radius relations (T-Sigma and T-R, respectively) obtained from the WINGS database of galaxies in nearby clusters. Aiming to achieve the best statistics, we exploit the whole sample of galaxies brighter than MV=-19.5 (5,504 objects), stacking up the 76 clusters of the WINGS survey altogether. Using this global cluster sample, we find that the T-Sigma relation holds only in the inner cluster regions (R