Morphological fractions of galaxies in WINGS clusters: revisiting the morphology–density paradigm

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
21 pages, 17 figures, 7 tables, accepted for publication in MNRAS, online material at: ftp://ftp.oapd.inaf.it/pub/fasano/maps.pdf