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Type Ia supernova bolometric light curves and ejected mass estimates from the nearby supernova factory

Scalzo, Richard; Aldering, G; Antilogus, P; Aragon, C; Bailey, S; Baltay, C; Bongard, S; Buton, C; Cellier-Holzem, F; Childress, Michael; Chotard, N; Copin, Y; Fakhouri, H K; Gangler, E; Guy, J; Kim, Alex G; Kowalski, M; Kromer, M; Nordin, J; Nugent, Peter; Paech, K; Pain, R; Pecontal, Emmanuel; Pereira, R; Perlmutter, Saul; Rabinowitz, David; Rigault, M; Runge, K; Saunders, C; Sim, Stuart A; Smadja, G; Tao, C; Taubenberger, Stefano; Thomas, R. C.; Weaver, B A

Description

We present a sample of normal Type Ia supernovae (SNe Ia) from the Nearby Supernova Factory data set with spectrophotometry at sufficiently late phases to estimate the ejected mass using the bolometric light curve.Wemeasure 56 Ni masses from the peak bolometric luminosity, then compare the luminosity in the 56Co-decay tail to the expected rate of radioactive energy release from ejecta of a given mass. We infer the ejected mass in a Bayesian context using a semi-analytic model of the ejecta,...[Show more]

CollectionsANU Research Publications
Date published: 2014
Type: Journal article
URI: http://hdl.handle.net/1885/70157
Source: Monthly Notices of the Royal Astronomical Society
DOI: 10.1093/mnras/stu350

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