Simulating a binary system that experiences the grazing envelope evolution

Sagiv Shiber, Noam Soker

Research output: Contribution to journalArticlepeer-review

27 Scopus citations

Abstract

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.

Original languageEnglish
Pages (from-to)2584-2598
Number of pages15
JournalMonthly Notices of the Royal Astronomical Society
Volume477
Issue number2
DOIs
StatePublished - 21 Jun 2018
Externally publishedYes

Keywords

  • ISM: Jets and outflows
  • Outflows
  • Stars: AGB and post-AGB
  • Stars: Winds

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