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CFHTLenS: Improving the quality of photometric redshifts with precision photometry

Abstract:

Here we present the results of various approaches to measure accurate colours and photometric redshifts (photo-z) from wide-field imaging data. We use data from the Canada-France-Hawaii Telescope Legacy Survey which have been re-processed by the Canada-France-Hawaii Telescope Lensing Survey (CFHTLenS) team in order to carry out a number of weak gravitational lensing studies. An emphasis is put on the correction of systematic effects in the photo-z arising from the different point spread funct...

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Journal:
Monthly Notices of the Royal Astronomical Society
Volume:
421
Issue:
3
Pages:
2355-2367
Publication date:
2012-04-01
DOI:
EISSN:
1365-2966
ISSN:
0035-8711
Source identifiers:
323485
Language:
English
Keywords:
Pubs id:
pubs:323485
UUID:
uuid:30df5275-b51a-4a5b-9c70-516414486856
Local pid:
pubs:323485
Deposit date:
2012-12-19

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