The Shapes of BCGs and normal Ellipticals in Nearby Clusters

G. Fasano,D. Bettoni,B. Ascaso,G. Tormen,B. M. Poggianti,T. Valentinuzzi,M. D'Onofrio,J. Fritz,A. Moretti,A. Omizzolo,A. Cava,M. Moles,A. Dressler,W. J. Couch,P. Kjaergaard, J. Varrela

Monthly Notices of the Royal Astronomical Society（2010）

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摘要

We compare the apparent axial ratio distributions of the brightest cluster galaxies (BCGs) and normal ellipticals (Es) in our sample of 75 galaxy clusters from the WIde-field Nearby Galaxy-cluster Survey (WINGS). Most BCGs in our clusters (69 per cent) are classified as cD galaxies. The sample of cDs has been completed by 14 additional cDs (non-BCGs) we found in our clusters. We deproject the appa...

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关键词

galaxies: clusters: general,galaxies: elliptical and lenticular, cD,galaxies: general

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