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Reconstruction Of Cluster Mass Distributions: Application And Results For CL0939+4713

Published online by Cambridge University Press:  25 May 2016

Carolin Seitz
Carolin Seitz*
Affiliation:
Max-Planck-Institut für Astrophysik, Postfach 1523, D-85740 Garching, Germany

Abstract

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We show the reconstructed mass distribution of the cluster CL0939+4713 (zd = 0.4) using data obtained with the WFPC2 instrument on HST. We find a remarkable correlation with the light distribution of the bright galaxies, which are probably cluster member galaxies. A bootstrapping analysis confirms this correlation, whereas an anti-correlation between the mass distribution and the faint galaxies - used for the mass reconstruction - is found. We give lower bounds on the mass inside the data field, and confirm that this cluster is indeed quite massive.

Type
Chapter 5: Galaxy Clusters
Information
Symposium - International Astronomical Union , Volume 173: Astrophysical Applications of Gravitational Lensing , 1996 , pp. 129 - 130
Copyright
Copyright © Kluwer 1996 

References

Dressler, A. & Gunn, J.E., 1992, ApJS, 78, 1 CrossRefGoogle Scholar
Seitz, C., Kneib, J.P., Schneider, P. & Seitz, S., 1995, in preparation (Paper I) Google Scholar