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Stellar Binary Accretion and Evolution - Matthew Bate

Kavli Institute for Theoretical Physics via YouTube

Overview

Explore stellar binary accretion and evolution in this 41-minute conference talk by Matthew Bate from the University of Exeter. Delve into the complexities of circumbinary gas evolution, its influence on embedded binary systems, and observational signatures. Compare stellar and black hole binary accretion, examining lessons from giant planet migration and recent modeling efforts of observed circumbinary discs. Gain insights from unpublished materials and case studies of systems like GW Ori and HD 142527. Part of the "Building Bridges: Towards a Unified Picture of Stellar and Black Hole Binary Accretion and Evolution" conference at the Kavli Institute for Theoretical Physics, this talk bridges the gap between stellar and massive black hole binary research communities.

Syllabus

Intro
Outline
Accretion onto binaries during star formation
Binary accretion: Bate & Bonnell (1997)
Eccentric binaries, misaligned accretion? Unpublished movies from 1995, 1996
Stellar vs black hole binary accretion
Lessons from giant planet migration
Modelling observed circumbinary discs
Modelling GW Ori: Kraus et al. (2020)
Conclusions
Relevance to circumbinary evolution?
Modelling HD 142527: Price et al. (2018)

Taught by

Kavli Institute for Theoretical Physics

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