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Extragalactic Astrophysics

Module PH2206

This module handbook serves to describe contents, learning outcome, methods and examination type as well as linking to current dates for courses and module examination in the respective sections.

Module version of SS 2017

There are historic module descriptions of this module. A module description is valid until replaced by a newer one.

Whether the module’s courses are offered during a specific semester is listed in the section Courses, Learning and Teaching Methods and Literature below.

available module versions
WS 2018/9SS 2018SS 2017WS 2014/5

Basic Information

PH2206 is a semester module in English language at Master’s level which is offered in summer semester.

This Module is included in the following catalogues within the study programs in physics.

  • Specific catalogue of special courses for nuclear, particle, and astrophysics
  • Complementary catalogue of special courses for condensed matter physics
  • Complementary catalogue of special courses for Biophysics
  • Complementary catalogue of special courses for Applied and Engineering Physics

If not stated otherwise for export to a non-physics program the student workload is given in the following table.

Total workloadContact hoursCredits (ECTS)
150 h 40 h 5 CP

Responsible coordinator of the module PH2206 in the version of SS 2017 was Sherry Suyu.

Content, Learning Outcome and Preconditions


The universe outside our Milky Way was recognised as such less than 100 years ago. Within less than a century extragalactic astrophysics has become a major research field.  Major topics of extragalactic astrophysics are the description and physical understanding of galaxies, the clustering of galaxies in groups, galaxy clusters and large scale structure forming the cosmic web.

The course will describe our Milky Way as a galaxy and how it relates to other galaxies. The local environment of the Milky Way and the Andromeda nebula forming the Local Group and the relation to the nearest galaxy cluster, the Virgo cluster, will be described. Galaxy morphologies and how they relate to the star formation activity are further topics, which will lead to the global evolution of star formation and the evolution of galaxies. Major components of galaxy formation and evolution are the dark matter and the feedback processes. Active Galactic Nuclei, the supermassive black holes at the centers of galaxies, can influence the evolution of galaxies. As quasars these objects can be observed throughout the universe and represent beacons for the study of gas clouds and intergalactic gas. The extragalactic sky can be observed at many wavelengths and the most energetic events are typically extragalactic.

Learning Outcome

After this course the students should feel confident with topics concerning galaxies as physical entities and their role in the universe. They should have a good understanding of what objects can be observed in the universe and how structure within the universe has formed.


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Courses, Learning and Teaching Methods and Literature

Courses and Schedule

VO 2 Extragalactic Astrophysics Leibundgut, B. Fri, 12:00–14:00, PH 2271

Learning and Teaching Methods

This is a lecture course with tutorial sessions. The students should be able to follow the course with the help of backup reading of an astronomy book and the handouts.  The students should work through exercises and discuss them at the tutorial sessions to aid their comprehension of the subject.


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"Extragalactic Astrophysics and Cosmology" by Peter Schneider

Module Exam

Description of exams and course work

There will be an oral exam of 25 minutes duration. Therein the achievement of the competencies given in section learning outcome is tested exemplarily at least to the given cognition level using comprehension questions and sample calculations.

For example an assignment in the exam might be:

  • Describe ways to measure masses of supermassive black holes at centers of galaxies?
  • How to estimate the rate of star formation in galaxies?

Participation in the exercise classes is strongly recommended since the exercises prepare for the problems of the exam and rehearse the specific competencies.

Exam Repetition

The exam may be repeated at the end of the semester.

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