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Results of the GREAT08 Challenge: An image analysis competition for cosmological lensing

Abstract:

We present the results of the GREAT08 Challenge, a blind analysis challenge to infer weak gravitational lensing shear distortions from images. The primary goal was to stimulate new ideas by presenting the problem to researchers outside the shear measurement community. Six GREAT08 Team methods were presented at the launch of the Challenge and five additional groups submitted results during the 6 month competition. Participants analyzed 30 million simulated galaxies with a range in signal to no...

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Publication status:
Published

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Authors


Gentile, M More by this author
Harmeling, S More by this author
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Journal:
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
Volume:
405
Issue:
3
Pages:
2044-2061
Publication date:
2009-08-07
DOI:
EISSN:
1365-2966
ISSN:
0035-8711
URN:
uuid:3393568f-f594-45ac-9476-fbcdf2099395
Source identifiers:
198842
Local pid:
pubs:198842
Language:
English
Keywords:

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