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Permanent link (DOI): https://doi.org/10.7939/R3ZW19628

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Select Topics in Mass Transfer and Magnetic Braking Open Access

Descriptions

Other title
Subject/Keyword
Magnet Braking
Astrophysics
Binary Evolution
Mass Transfer
Type of item
Thesis
Degree grantor
University of Alberta
Author or creator
Van, Kenny
Supervisor and department
Ivanova, Natalia (Physics)
Examining committee member and department
Fernandez, Rodrigo (Physics)
Heinke, Craig (Physics)
Ivanova, Natalia (Physics)
Department
Department of Physics
Specialization

Date accepted
2017-09-11T07:47:22Z
Graduation date
2017-11:Fall 2017
Degree
Master of Science
Degree level
Master's
Abstract
In this thesis we investigate a novel binary formation channel with a semi- degenerate donor and examine the stability criteria in binary systems with a massive donor. First we will review the current basics in the understanding of binary systems along with where recent research has been moving in this area. Following this we will review the implementation of these theories in the binary evolution code used throughout the rest of the thesis. We then apply this code to a novel binary formation scenario involving a black hole and a semi-degenerate donor. The key difference in this formation channel and previous work is the amount lost during dynamical encounter. Following this, we investigate the stability of mass transfer in massive donors. We find that should the onset of mass transfer occur between two key points of instability in a massive star’s evolution, the mass transfer in the system is stable. This has dramatic effects on the formation rate of possible black hole-black hole mergers and may instead be a possible formation channel for ultra luminous X-ray sources. Finally we go over the assumptions made in this work and how these affect the reliability of the results presented.
Language
English
DOI
doi:10.7939/R3ZW19628
Rights
This thesis is made available by the University of Alberta Libraries with permission of the copyright owner solely for the purpose of private, scholarly or scientific research. This thesis, or any portion thereof, may not otherwise be copied or reproduced without the written consent of the copyright owner, except to the extent permitted by Canadian copyright law.
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