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Cosmological weak lensing with the HST GEMS survey

Abstract:

We present our cosmic shear analysis of GEMS, one of the largest wide-field surveys ever undertaken by the Hubble Space Telescope. Imaged with the Advanced Camera for Surveys (ACS), GEMS spans 795 square arcmin in the Chandra Deep Field South. We detect weak lensing by large-scale structure in high resolution F606W GEMS data from ~60 resolved galaxies per square arcminute. We measure the two-point shear correlation function, the top-hat shear variance and the shear power spectrum, performing ...

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Publication status:
Published

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Journal:
Monthly Notices of the Royal Astronomical Society More from this journal
Volume:
361
Issue:
1
Pages:
160-176
Publication date:
2005-07-21
DOI:
EISSN:
1365-2966
ISSN:
0035-8711
Keywords:
Pubs id:
pubs:171850
UUID:
uuid:214356a7-d360-4d4b-95f2-62b6668d6d12
Local pid:
pubs:171850
Source identifiers:
171850
Deposit date:
2013-11-16

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