Astrophysics

2022 Course Programme

Instructors

George Pappas
Angelos Tsiaras

The course introduces students to several contemporary topics in Astrophysics, moving beyond the scope of the introductory Astronomy course. Specifically, the modules covered are:

Fluid Mechanics – Hydrostatic Equilibrium – Virial Theorem
Generalised Virial Theorem – Radial Stellar Oscillations – Stability
White Dwarfs
Neutron Stars
Magnetohydrodynamics (MHD)
Pulsars
Binary Systems – Evolution – Roche Lobe
Spherical Accretion – Accretion Disks
General Relativity – Black Holes
Gravitational Waves
Gravitational Lensing
Stellar and Planetary Spectra

Laboratory Sessions
The course also includes six laboratory units:

Lab 1: Introduction to Python; simple application to homologous spherical dust collapse.
Lab 2: Numerical integration of stellar structure equations (Lane-Emden, etc.).
Lab 3: Gravitational lensing.
Lab 4: Applications in Spherical Accretion (Bondi accretion and others).
Lab 5: Applications in Accretion Disks (e.g., disk instabilities, planet formation, planet migration, relativistic disks).
Lab 6: Radiative Transfer (applications in disks, stars, planetary atmospheres, etc.).