110 citations · 358 across the 6 of their papers we have counts for
10 papers
The excess of cool supergiants from contemporary stellar evolution models defies the metallicity-independent Humphreys-Davidson limit
Avishai Gilkis, Tomer Shenar, Varsha Ramachandran +5
The Humphreys-Davidson (HD) limit empirically defines a region of high luminosities (log L > 5.5) and low effective temperatures (T < 20kK) on the Hertzsprung-Russell Diagram in wh…
Why binary interaction does not necessarily dominate the formation of Wolf-Rayet stars at low metallicity
T. Shenar, A. Gilkis, J. S. Vink +2
Classical Wolf-Rayet (WR) stars are massive, hydrogen depleted, post main-sequence stars that exhibit emission-line dominated spectra. For a given metallicity Z, stars exceeding a…
Type IIb supernovae by the grazing envelope evolution
Binyamin Naiman, Efrat Sabach, Avishai Gilkis +1
We simulate the evolution of binary systems with a massive primary star of 15Mo where we introduce an enhanced mass loss due to jets that the secondary star might launch, and find…
Effects of winds on the leftover hydrogen in massive stars following Roche lobe overflow
Avishai Gilkis, Jorick S. Vink, J. J. Eldridge +1
We find that applying a theoretical wind mass-loss rate from Monte Carlo radiative transfer models for hydrogen-deficient stars results in significantly more leftover hydrogen foll…
Type IIb supernova progenitors by fatal common envelope evolution
Noam Lohev, Efrat Sabach, Avishai Gilkis +1
From stellar evolution simulations (using MESA) we conclude that the fatal common envelope evolution (CEE) channel for the formation of Type IIb core collapse supernova (SN IIb) pr…
Diversity of common envelope jets supernovae and the fast transient AT2018cow
Noam Soker, Aldana Grichener, Avishai Gilkis
We propose a common-envelope jets supernova (CEJSN) scenario for the fast-rising blue optical transient AT2018cow. In a CEJSN a neutron star (NS) spirals-in inside the extended env…