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Gravitational Lensing Studies of High Resolution Cluster Simulations

Published online by Cambridge University Press:  26 May 2016

Lindsay King ,
Douglas Clowe ,
Peter Schneider  and
Volker Springel
Lindsay King
Affiliation:
1: Max-Planck-Institut für Astrophysik, Karl-Schwarzschild-Str. 1, D-85740 Garching bei München, Germany 2: Institut für Astrophysik und Extraterrestrische Forschung der Universität Bonn, Auf Dem Hügel 71, D-53121 Bonn, Germany
Douglas Clowe
Affiliation:
2: Institut für Astrophysik und Extraterrestrische Forschung der Universität Bonn, Auf Dem Hügel 71, D-53121 Bonn, Germany
Peter Schneider
Affiliation:
1: Max-Planck-Institut für Astrophysik, Karl-Schwarzschild-Str. 1, D-85740 Garching bei München, Germany 2: Institut für Astrophysik und Extraterrestrische Forschung der Universität Bonn, Auf Dem Hügel 71, D-53121 Bonn, Germany
Volker Springel
Affiliation:
3: Center for Astrophysics, 60 Garden Street, Cambridge, MA 02138, USA

Abstract

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In our ongoing work, we use high resolution cluster simulations to study gravitational lensing. These simulations have a softening length of 0.7 h-1 kpc and a particle mass of 4.68 × 107M⊙ (Springel 1999). Questions that can be addressed include the accuracy with which substructure on various scales can be recovered using the information from lensing. This is very important in determining the power of lensing in studying the evolution of cluster substructure as a function of redshift. We briefly consider how a weak lensing non-parametric reconstruction technique and the Map-statistic can be applied to the simulations.

Type
Part XII: Poster Papers
Information
Symposium - International Astronomical Union , Volume 201: New Cosmological Data and the Values of the Fundamental Parameters , 2005 , pp. 476 - 477
Copyright
Copyright © Astronomical Society of the Pacific 2005 

References

Kaiser, N. 1994, CITA-94–39.CrossRefGoogle Scholar
Schneider, P. 1996, MNRAS, 283, 837.CrossRefGoogle Scholar
Seitz, S. & Schneider, P. 1998, astro-ph/9802051.Google Scholar
Springel, V. 1999, Ph.D. thesis, Ludwig-Maximilians-Univ. München.Google Scholar