ESA Science & Technology - A Wide Field Hubble Space Telescope Study of the Cluster Cl0024+1654 at z=0.4 II: The Cluster Mass Distribution

Publication date: 10 November 2003

Authors: Kneib, J.-P. et al.

Journal: ApJ
Volume: 597
Issue: 2
Year: 2003

We present a comprehensive lensing analysis of the rich cluster Cl0024+1654 (z=0.395) based on panoramic sparse-sampled imaging conducted with the WFPC2 and STIS cameras on board the Hubble Space Telescope. By comparing higher fidelity signals in the limited STIS data with the wider field data available from WFPC2, we demonstrate an ability to detect reliably weak lensing signals to a cluster radius of ~5 (h₆₅)^-1 Mpc where the mean shear is around 1%.