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Thesis

Tidally induced non-adiabatic stellar oscillations: how planets make stars wobble

Abstract:

We calculate the dynamical tides raised by a close planetary companion on non-rotating stars of 1 M and 1:4 M. Using the Henyey method, we solve the fully non-adiabatic equations throughout the star, both for the case of frozen convection and for the case where an approximation for the perturbation to the convective flux is used. The horizontal Lagrangian displacement is found to be 10 to 100 times larger than the equilibrium tide value in a thin region near the sur...

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Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Sub department:
Astrophysics
Oxford college:
St John's College
Role:
Author
ORCID:
0000-0002-9358-6375

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Role:
Supervisor
Role:
Examiner
Role:
Examiner
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Programme:
PhD Studentship
Grant:
ST/N504233/1
Type of award:
DPhil
Level of award:
Doctoral
Awarding institution:
University of Oxford
Language:
English
Keywords:
Subjects:
Deposit date:
2020-10-01

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