Search for double degenerate progenitors of supernovae type Ia with SPY
  We report on a large survey for double degenerate (DD) binaries as potential progenitors of type Ia supernovae with the UVES spectrograph at the ESO VLT (ESO SN Ia Progenitor surveY - SPY). 
R. Napiwotzki, H. Drechsel, U. Heber, C. Karl, E.-M. Pauli, N.   Christlieb, H.-J. Hagen, D. Reimers, D. Koester, S. Moehler...