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Type Ia supernova hubble residuals and host-galaxy properties

Kim, Alex G; Aldering, G; Antilogus, Pierre; Aragon, C; Bailey, S; Baltay, C; Bongard, S; Childress, Michael; Chotard, N; Pereira, R; Copin, Y; Scalzo, Richard


Kim et al. introduced a new methodology for determining peak-brightness absolute magnitudes of type Ia supernovae from multi-band light curves. We examine the relation between their parameterization of light curves and Hubble residuals, based on photometry synthesized from the Nearby Supernova Factory spectrophotometric time series, with global host-galaxy properties. The K13 Hubble residual step with host mass is 0.013 ± 0.031 mag for a supernova subsample with data coverage corresponding to...[Show more]

CollectionsANU Research Publications
Date published: 2014
Type: Journal article
Source: Astrophysical Journal, The
DOI: 10.1088/0004-637X/784/1/51


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