A progenitor binary and an ejected mass donor remnant of faint type Ia supernovae S. Geier, T. R. Marsh, B. Wang, B. Dunlap, B. N. Barlow, V. Schaffenroth, X. Chen, A. Irrgang, P. F. L. Maxted, E. Ziegerer et al. (10 more) A&A, 554 (2013) A54 Published online: 04 June 2013 DOI: 10.1051/0004-6361/201321395