MPhys Physics / Course details

Year of entry: 2021

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Course unit details:
Astrophysical Processes

Unit code PHYS20692
Credit rating 10
Unit level Level 2
Teaching period(s) Semester 2
Offered by Department of Physics & Astronomy
Available as a free choice unit? No

Overview

Astrophysical Processes

Pre/co-requisites

Unit title Unit code Requirement type Description
Dynamics PHYS10101 Pre-Requisite Compulsory
Introduction to Astrophysics and Cosmology PHYS10191 Pre-Requisite Compulsory
Properties of Matter PHYS10352 Pre-Requisite Compulsory
Electromagnetism PHYS20141 Pre-Requisite Compulsory

Aims

To provide an introduction to a wide range of fundamental astrophysical processes and their role in modern astrophysics. These processes range from those which control the structure of the interstellar medium to those associated with supermassive black holes in the centre of galaxies. The observational signatures of these processes are identified, which cover the entire electromagnetic spectrum from radio to gamma-ray and include non-photonic tracers such as cosmic rays.  

Learning outcomes

‘This course unit detail provides the framework for delivery in 21/22 and may be subject to change due to any additional Covid-19 impact.  Please see Blackboard / course unit related emails for any further updates.’

On completion successful students will be able to:

1. Explain fundamental physical processes such as

  • shock waves
  • accretion
  • radiative transfer
  • the physical mechanisms controlling the ionisation and temperature of atoms, molecules and dust and the processes responsible for the formation of complex species in space

2. Apply fundamental physical processes in contexts relevant in astrophysics

3. Describe the sky as seen across the electromagnetic spectrum and the involved radiation mechanisms

4. Relate observations of a wide range of astrophysical sources to their physical conditions 

Syllabus

a)  Introduction: observations and astrophysical processes
b)  Absorption and emission: radiative transfer and blackbody radiation
c)  Grains and molecules in space
d)  Shocks waves, supernovae and supernova remnants
e)  Spectral lines: their formation and diagnostics
f)   The composition and dynamics of the ISM, heating/cooling mechanisms and ionisation
g)  Non-thermal emission processes
h)  Compact objects and accretion on neutron stars and black holes
i)   Supermassive black holes, and Active Galactiv Nuclei

Assessment methods

Method Weight
Written exam 100%

Feedback methods

Feedback will be available on students’ individual written solutions to examples sheets, which will be marked, and model answers will be issued.

Recommended reading

Recommended texts
Dyson, J.E. & Williams, D.A. The Physics of the Interstellar Medium (2nd ed.) (IOP Publishing)
Rosswog, S. & Bruggen, M. Introduction to High-Energy Astrophysics (CUP)

Supplementary reading
Draine, B.T., Physics of the Interstellar and Intergalactic Medium, (Princeton)
Longair, M. S. High Energy Astrophysics, 3rd edition, (CUP)
Rybicki, G.B. & Lightman, A.P. Radiative Processes in Astrophysics
 

Study hours

Scheduled activity hours
Assessment written exam 1.5
Lectures 24
Independent study hours
Independent study 74.5

Teaching staff

Staff member Role
Patrick Weltevrede Unit coordinator

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