Weak lensing studies from space with GEMS

C. Heymans, M. L. Brown, M. Barden, J. Caldwell, B. Häußler, K. Jahnke, H. W. Rix, S. Beckwith, E. F. Bell, A. Borch, S. Jogee, D. H. McIntosh, K. Meisenheimer, C. Peng, S. Sánchez, R. Somerville, A. N. Taylor, L. Wisotzki, C. Wolf

    Research output: Contribution to journalArticlepeer-review

    Abstract

    The Galaxy Evolution from Morphology and SEDs (GEMS) survey is the largest contiguous field ever imaged in colour by HST with the Advanced Camera for Surveys (ACS), spanning some 900 square arcmins in the Chandra deep field south (CDFS). We discuss the power of the ACS for weak lensing studies and present preliminary results from our cosmic shear analysis of GEMS. Selecting a subset of GEMS galaxies which are resolved in deep ground-based R-band imaging of the CDFS from the COMBO-17 survey, we compare the cosmic shear signal determined from the ground and from space. © 2005 Published by Elsevier B.V.
    Original languageEnglish
    Pages (from-to)392-395
    Number of pages3
    JournalNew Astronomy Reviews
    Volume49
    Issue number7-9
    DOIs
    Publication statusPublished - Nov 2005

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