2005/06 Undergraduate Module Catalogue
PHYS2150 Stellar Structure and Evolution
10 creditsClass Size: 50
Module manager: Dr M G Hoare
Taught: Semester 1 (Sep to Jan) View Timetable
Year running 2005/06
Pre-requisitesPHYS1170 (The Physics of Stars and Planets) is recommended but not essential.
This module is approved as an Elective
ObjectivesBy the end of this module students will be able to:
- explain the physical principles and derive the equations governing the structure of stars;
- describe the solutions and compare them with the observed properties of stars;
- explain the physical changes that take place as stars evolve;
- discuss and explain the end points in the lives of stars of different initial masses;
- present observational tests of stellar evolution theory.
The ability to solve physical problems using mathematics and preparation and optional giving of a presentation.The ability to solve physical problems using mathematics and preparation and optional giving of a presentation.
Colour magnitude diagrams, HR diagrams, stellar properties.
Physics of stellar structure:
Hydrostatic equilibrium, equation of state. Radiative energy transport and radiative transfer. Convective energy transport and the criteria for convective instability. Opacity sources:, bound-bound, bound-free, free-free and electron scattering. Energy generation, nuclear reactions including the proton-proton chain, CNO cycle and triple-alpha process.
The structure of stars:
Solving the equations of stellar structure, structure of low and high mass main sequence stars. Helioseismology and solar neutrinos.
The evolution of low mass stars:
Structure of red giants, physics of the degenerate core, helium flash. Horizontal branch and asymptotic giant branch. Thermal pulsing and planetary nebulae ejection. White dwarfs.
The evolution of massive stars:
Supergiant and Wolf-Rayet stars and the role of mass loss. Type II supernovae, neutron stars and black holes.
Due to COVID-19, teaching and assessment activities are being kept under review - see module enrolment pages for informationLectures: 22 x 1 hour;
Tutorials: 4 x 1 hour.
Private studyProblem sheets: 4 hours;
Reading: 70 hours.
Opportunities for Formative Feedback8 problem sheets over 11 weeks.
Methods of assessment
Due to COVID-19, teaching and assessment activities are being kept under review - see module enrolment pages for information1 x 2 hour examination at the end of the semester: 85%;
Weekly assignment marks: 15%.
Reading listThe reading list is available from the Library website
Last updated: 19/04/2005
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