13 citations · 21 across the 5 of their papers we have counts for
9 papers · 1 filter
On the origin and evolutionary state of RZ Cas, KO Aql and S Equ
N. Mennekens, J. -P. De Greve, W. Van Rensbergen +1
Aims. Determination of the present evolutionary state and the restrictions on the initial mass ratios of RZ Cas, KO Aql and S Equ. Methods. Comparison of mass gaining stars with ev…
Helium stars as supernova progenitors
Roni Waldman, Lev R. Yungelson, Zalman Barkat
We follow the evolution of helium stars of initial mass , and show that they undergo off-center carbon burning, which leaves behind ${\mathbf \sim 0.01 M_\odot…
The White Dwarfs in AM CVn systems - candidates for SN Ia?
Jan-Erik Solheim, Lev R. Yungelson
Thanks to the rapid increase of observations of Supernovae Ia, we may now claim that the Universe is accelerating. SN Ia are believed to be good standard candles, and after correct…
Double degenerates and progenitors of supernovae type Ia
R. Napiwotzki, L. Yungelson, G. Nelemans +12
We report on systematic radial velocity surveys for white dwarf - white dwarf binaries (double degenerates - DDs) including SPY (ESO Supernovae Ia progenitor survey) recently carri…
Search for double degenerate progenitors of supernovae type Ia with SPY
R. Napiwotzki, H. Drechsel, U. Heber +13
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 surve…
Fun for Two
S. F. Portegies Zwart, L. R. Yungelson, G. Nelemans
We performed populations synthesis calculations of single stars and binaries and show that binary evolution is extremely important for Galactic astronomy. We review several binary…