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The galaxy luminosity function of the Abell 496 cluster and its spatial variations
G. Boué, C. Adami, F. Durret +2
We investigate the LF in the very relaxed cluster Abell 496. Our analysis is based on deep images obtained at CFHT with MegaPrime/MegaCam in four bands (ugri) covering a 1x1 deg2 r…
An approximate theory for substructure propagation in clusters
Dmitry A. Prokhorov, Florence Durret
The existence of dark matter can be proved in an astrophysical context by the discovery of a system in which the observed baryons and the inferred dark matter are spatially segrega…
XMM-Newton temperature maps for five intermediate redshift clusters of galaxies
Florence Durret, Gastao B. Lima Neto
We have analyzed XMM-Newton archive data for five clusters of galaxies (redshifts 0.223 to 0.313) covering a wide range of dynamical states, from relaxed objects to clusters underg…
An extension of the SHARC survey
C. Adami, M. P. Ulmer, F. Durret +2
We report on our search for distant clusters of galaxies based on optical and X-ray follow up observations of X-ray candidates from the SHARC survey. Based on the assumption that t…
Coma cluster object populations down to M_R~-9.5
C. Adami, J. P. Picat, F. Durret +3
This study follows a recent analysis of the galaxy luminosity functions and colour-magnitude red sequences in the Coma cluster (Adami et al. 2007). We analyze here the distribution…
Discovery of a new M32-like "Compact Elliptical" galaxy in the halo of the Abell 496 cD galaxy
Igor Chilingarian, Veronique Cayatte, Laurent Chemin +4
Aims: ``Compact ellipticals'' are so rare that a search for M32 analogs is needed to ensure the very existence of this class. Methods: We report here the discovery of A496cE, a M32…