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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's) from wide-field imaging data. We use data from the Canada-France-Hawaii-Telescope Legacy Survey (CFHTLS) which have been re- processed by the CFHT 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's arising from the different Point Spread Functions (PSF) i...

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Publication status:
Published

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Journal:
Monthly Notices of the Royal Astronomical Society More from this journal
Volume:
421
Issue:
3
Pages:
2355-2367
Publication date:
2011-11-18
DOI:
EISSN:
1365-2966
ISSN:
0035-8711
Keywords:
Pubs id:
pubs:207497
UUID:
uuid:24a576b7-1e0c-498c-accb-afaf7cdbcd5b
Local pid:
pubs:207497
Source identifiers:
207497
Deposit date:
2012-12-19

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