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The supernova legacy survey: Measurement of ΩM, ΩΛand w from the first year data set

Abstract:

We present distance measurements to 71 high redshift type la supernovae discovered during the first year of the 5-year Supernova Legacy Survey (SNLS). These events were detected and their multi-color light-curves measured using the MegaPrime/MegaCam instrument at the Canada-France-Hawaii Telescope (CFHT), by repeatedly imaging four one-square degree fields in four bands, as part of the CFHT Legacy Survey (CFHTLS). Follow-up spectroscopy was performed at the VLT, Gemini and Keck telescopes to ...

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Publisher copy:
10.1051/0004-6361:20054185

Authors


Regnault, N More by this author
Aubourg, E More by this author
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Journal:
Astronomy and Astrophysics
Volume:
447
Issue:
1
Pages:
31-48
Publication date:
2006-02-05
DOI:
ISSN:
0004-6361
URN:
uuid:cb96df76-0160-483d-9dd0-1f5a139a8ea8
Source identifiers:
160123
Local pid:
pubs:160123

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