THE EFFECT OF PROGENITOR AGE AND METALLICITY ON LUMINOSITY AND Ni-56 YIELD IN TYPE Ia SUPERNOVAE

Timmes et al. found that metallicity variations could theoretically account for a 25% variation in the mass of 56Ni synthesized in Type Ia supernovae (SNe Ia), and thus account for a large fraction of the scatter in observed SN Ia luminosities. Higher-metallicity progenitors are more neutron rich, p...

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Main Authors: Howell, D, Sullivan, M, Brown, E, Conley, A, Le Borgne, D, Hsiao, E, Astier, P, Balam, D, Balland, C, Basa, S, Carlberg, R, Fouchez, D, Guy, J, Hardin, D, Hook, I, Pain, R, Perrett, K, Pritchet, C, Regnault, N, Baumont, S, Le Du, J, Lidman, C, Perlmutter, S, Suzuki, N, Walker, E
Format: Journal article
Language:English
Published: Institute of Physics Publishing 2009