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Weak lensing with COMBO-17: estimation and removal of intrinsic alignments

Abstract:

We estimate and remove the contamination of weak gravitational lensing measurements by the intrinsic alignment of close pairs of galaxies. We do this by investigating both the aperture mass B mode statistic, and the shear correlations of close and distant pairs of galaxies. These can be used to quantify non-lensing effects in weak lensing surveys. We reanalyse the COMBO-17 survey, and study published results from the Red-sequence Cluster Survey and the VIRMOS-DESCART survey, concluding that t...

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Publication status:
Published

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Journal:
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
Volume:
347
Issue:
3
Pages:
895-908
Publication date:
2004-01-21
DOI:
EISSN:
1365-2966
ISSN:
0035-8711
URN:
uuid:1b3928b6-d786-4807-95f7-ebc21f1329d9
Source identifiers:
13108
Local pid:
pubs:13108

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