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The rise time of Type Ia supernovae from the supernova legacy survey

Abstract:

We compare the rise times of nearby and distant Type Ia supernovae (SNe Ia) as a test for evolution using 73 high-redshift spectroscopically confirmed SNe Ia from the first 2 years of the 5 year Supernova Legacy Survey (SNLS) and published observations of nearby SNe. Because of the "rolling" search nature of the SNLS, our measurement is approximately 6 times more precise than previous studies, allowing for a more sensitive test of evolution between nearby and distant SNe. Adopting a simple t ...

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Publisher copy:
10.1086/507788

Authors


Howell, DA More by this author
Sullivan, M More by this author
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Journal:
Astronomical Journal
Volume:
132
Issue:
4
Pages:
1707-1713
Publication date:
2006-10-05
DOI:
ISSN:
0004-6256
URN:
uuid:3c53051e-afb1-41b7-945e-e5ea266e292b
Source identifiers:
160477
Local pid:
pubs:160477
Language:
English
Keywords:

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