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Evidence of the accelerated expansion of the Universe from weak lensing tomography with COSMOS

Abstract:

We present a comprehensive analysis of weak gravitational lensing by large-scale structure in the Hubble Space Telescope Cosmic Evolution Survey (COSMOS), in which we combine space-based galaxy shape measurements with ground-based photometric redshifts to study the redshift dependence of the lensing signal and constrain cosmological parameters. After applying our weak lensing-optimized data reduction, principal-component interpolation for the spatially, and temporally varying ACS point-spread...

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Authors


Schrabback, T More by this author
Hartlap, J More by this author
Joachimi, B More by this author
Kilbinger, M More by this author
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Journal:
Astronomy and Astrophysics
Volume:
516
Issue:
19
Publication date:
2010-06-05
EISSN:
1432-0746
ISSN:
0004-6361
URN:
uuid:930f1634-3564-4a47-8f3f-cf574849ce5e
Source identifiers:
199207
Local pid:
pubs:199207

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