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astro-ph1999
Abell 521: Dynamical analysis of a young cluster
S. Maurogordato, D. Proust, T. C. Beers +5
We present the results of a dynamical analysis of the rich X-Ray luminous galaxy cluster Abell 521, and discuss the nature of the arc-like structure first noted by Maurogordato et…
astro-ph1998
Two multiple-imaged z=4.05 galaxies in the cluster-lens Abell 2390
R. Pello, J. -P. Kneib, J. -F. Le Borgne +8
We present the first results on the identification and study of very distant field galaxies in the core of cluster-lenses, using a selection criterium based on both lens modelling…
astro-ph1998
Unveiling the nature of the Cloverleaf lens-system: HST/NICMOS-2 observations
J. -P. Kneib, D. Alloin, R. Pello
We present new elements in the identification of the lens-system producing the 4 images of the BAL quasar H1413+117, based on the recent HST/NICMOS-2/F160W observations. After a ca…