How SN Ia host-galaxy properties affect cosmological parameters
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Peer-reviewed
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Abstract
We present a systematic study of the relationship between Type Ia Supernova
(SN Ia) properties, and the characteristics of their host galaxies, using a
sample of 581 SNe Ia from the full Sloan Digital Sky Survey II (SDSS-II) SN
Survey. We also investigate the effects of this on the cosmological constraints
derived from SNe~Ia. Compared to previous studies, our sample is larger by a
factor of
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1365-2966