4 papers · 1 filter
High mass accretion rates onto evolved stripped-envelope massive stars by jet-induced mass removal
Yotham Cohen, Ealeal Bear, Noam Soker
Simulating one-dimensional stellar evolution models with MESA, we show that removing the outer inflated envelope of a mass-accreting evolved stripped-envelope star, like a Wolf-Ray…
Jet-Driven Formation of Bipolar Rings in Planetary Nebulae: Numerical Simulations Inspired by NGC 1514
Muhammad Akashi, Ealeal Bear, Noam Soker
We conduct three-dimensional hydrodynamical simulations of jets launched into a dense shell, reproducing two rings in a bipolar structure that resemble the two dusty rings of the p…
Enabling high mass accretion rates onto massive main sequence stars by outer envelope mass removal
Ariel Scolnic, Ealeal Bear, Noam Soker
Using the one-dimensional numerical code MESA, we simulate mass accretion at very high rates onto massive main sequence stars, M=30, 60, 80 Mo, and find that these stars can accret…
On the response of massive main sequence stars to mass accretion and outflow at high rates
Ealeal Bear, Noam Soker
With a one-dimensional stellar evolution model, we find that massive main-sequence stars can accrete mass at very high mass accretion rates without expanding much if they lose a si…