The circumstellar environments of Be stars in X-ray binaries
The circumstellar environments of Be stars in X-ray binaries
This thesis contains results from a long-term campaign to monitor the behaviour of Be/X-ray binary systems at multiple wavelengths. The work presented in this thesis concentrates on the application of Be/X-ray binary observations to contribute to the understanding of the Be star phenomenon itself. I present studies of the X-ray behaviours of these systems - effectively using the Neutron Star as a probe of the Be star's envelope - and seek correlation between this and the behaviour of the Be star inferred from optical and infrared observations. I attempt to model the X-ray light-curves as accretion from a circumstellar disc, and investigate the validity of these techniques by considering recent claims that the orbiting neutron stars in Be/X-ray binaries perturb the Be stars' circumstellar discs. Finally, I present a study of Be/X-ray binaries in the Magellanic Clouds, identifying optical counterparts to a number of recently discovered systems.
University of Southampton
Stevens, James Bernard
c1def67d-5e94-47f4-b16f-c66fed053c14
2000
Stevens, James Bernard
c1def67d-5e94-47f4-b16f-c66fed053c14
Stevens, James Bernard
(2000)
The circumstellar environments of Be stars in X-ray binaries.
University of Southampton, Doctoral Thesis.
Record type:
Thesis
(Doctoral)
Abstract
This thesis contains results from a long-term campaign to monitor the behaviour of Be/X-ray binary systems at multiple wavelengths. The work presented in this thesis concentrates on the application of Be/X-ray binary observations to contribute to the understanding of the Be star phenomenon itself. I present studies of the X-ray behaviours of these systems - effectively using the Neutron Star as a probe of the Be star's envelope - and seek correlation between this and the behaviour of the Be star inferred from optical and infrared observations. I attempt to model the X-ray light-curves as accretion from a circumstellar disc, and investigate the validity of these techniques by considering recent claims that the orbiting neutron stars in Be/X-ray binaries perturb the Be stars' circumstellar discs. Finally, I present a study of Be/X-ray binaries in the Magellanic Clouds, identifying optical counterparts to a number of recently discovered systems.
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Published date: 2000
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Local EPrints ID: 464281
URI: http://eprints.soton.ac.uk/id/eprint/464281
PURE UUID: c8b64ca4-a90d-4d76-b404-7e79093c3253
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Date deposited: 04 Jul 2022 21:55
Last modified: 16 Mar 2024 19:23
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Author:
James Bernard Stevens
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