Type Ia supernovae from exploding oxygen-neon white dwarfs Kai S. Marquardt, Stuart A. Sim, Ashley J. Ruiter, Ivo R. Seitenzahl, Sebastian T. Ohlmann, Markus Kromer, Rüdiger Pakmor and Friedrich K. Röpke A&A, 580 (2015) A118 Published online: 14 August 2015 DOI: 10.1051/0004-6361/201525761