2 papers
astro-ph.HE2019
Nebular Spectra of 111 Type Ia Supernovae Disfavor Single Degenerate Progenitors
M. A. Tucker, B. J. Shappee, P. J. Vallely +15
We place statistical constraints on Type Ia supernova (SN Ia) progenitors using 227 nebular phase spectra of 111 SNe Ia. We find no evidence of stripped companion emission in any o…
astro-ph.SR2017
Multidimensional Models of Type Ia Supernova Nebular Spectra: Strong Emission Lines from Stripped Companion Gas Rule Out Classic Single Degenerate Systems
Janos Botyanszki, Daniel Kasen, Tomasz Plewa
The classic single-degenerate model for the progenitors of Type Ia Supernova (SN Ia) predicts that the supernova ejecta should be enriched with solar-like abundance material stripp…