期刊
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
卷 477, 期 2, 页码 2584-2598出版社
OXFORD UNIV PRESS
DOI: 10.1093/mnras/sty843
关键词
stars: AGB and post-AGB; stars: winds, outflows; ISM: jets and outflows
资金
- Cy-Tera Project
- European Regional Development Fund
- Republic of Cyprus through the Research Promotion Foundation
- DOE
- Department of Energy
- Advanced Simulation and Computing Program
- Scientific Discovery through Advanced Computing Program
- Israel Science Foundation
- Asher Space Research Institute at the Technion
We conduct three-dimensional hydrodynamical simulations, and show that when a secondary star launches jets while performing spiral-in motion into the envelope of a giant star, the envelope is inflated, some mass is ejected by the jets, and the common envelope phase is postponed. We simulate this grazing envelope evolution (GEE) under the assumption that the secondary star accretes mass from the envelope of the asymptotic giant branch (AGB) star and launches jets. In these simulations we do not yet include the gravitational energy that is released by the spiraling-in binary system. Neither do we include the spinning of the envelope. Considering these omissions, we conclude that our results support the idea that jets might play a crucial role in the common envelope evolution or in preventing it.
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