F8250 Stellar atmospheres

Faculty of Science
Spring 2013
Extent and Intensity
2/1/0. 1 credit(s) (fasci plus compl plus > 4). Type of Completion: zk (examination).
Teacher(s)
doc. RNDr. Vladimír Štefl, CSc. (lecturer)
doc. RNDr. Vladimír Štefl, CSc. (seminar tutor)
Guaranteed by
prof. RNDr. Zdeněk Mikulášek, CSc.
Department of Theoretical Physics and Astrophysics – Physics Section – Faculty of Science
Contact Person: doc. RNDr. Vladimír Štefl, CSc.
Supplier department: Department of Theoretical Physics and Astrophysics – Physics Section – Faculty of Science
Timetable
Mon 12:00–13:50 Fs1 6/1017, Mon 14:00–14:50 Fs1 6/1017
Prerequisites
Knowledges on the level of course of theoretical physics, above all quantum and statistical physics and thermodynamics Knowledges of optics, atom physics, quantum a statistical physics
Course Enrolment Limitations
The course is also offered to the students of the fields other than those the course is directly associated with.
fields of study / plans the course is directly associated with
Course objectives
At the end of this course, students should be able to: understand and be able to explain theory radiative transfer; physical conditions in atmospheres stars; origin continuous and lines spectra; lines broadening and profiles
Syllabus
  • 1. Methods obtaining of spectra
  • 2. Spectra of atoms and molecules in astrophysics
  • 3. Profils of spectral lines, broadening and shift lines
  • 4. Radiative tranfer equation and their solution
  • 5. Curves of growth, determination of chemical composition of atmospheres
  • 6. Models of atmospheres, grey atmospheres, LTE, NLTE
  • Exercises:
  • 1. Radiation of stars
  • 2. Spectra atoms and molecules in astrophysics
  • 3. Shifts and broadening of spectral lines, width lines
  • 4. Boltzmann's and Saha's equations
  • 5. Physical conditions in atmospheres
  • 6. Radiative transfer equation, their solution and consequence
Literature
  • Náhradní obsah: Mihalas, D.: Stellar atmospheres. Freeman & Co., San Francisco, 1978.
  • Náhradní obsah: Rutten, R.J.: Radiative transfer in stellar atmospheres.http://www.astro.uu.nl/~rutten
  • BÖHM-VITENSE, Erika. Introduction to stellar astrophysics. Vol. 2, Stellar atmosphere. 1st pub. Cambridge: Cambridge University Press, 1997, xi, 249 s. ISBN 0-521-34403-4. info
Teaching methods
classical lectures, solution of exercises, problems, skills of solution equation of radiation transfer on selected problems of stellar atmospheres
Assessment methods
classical lectures, oral exam
Language of instruction
Czech
Further comments (probably available only in Czech)
The course is taught once in two years.
General note: S.
The course is also listed under the following terms Spring 2000, Spring 2001, Spring 2002, Spring 2003, Spring 2004, Spring 2005, Spring 2006, Spring 2009, Spring 2011, spring 2012 - acreditation, Spring 2015, Spring 2017.
  • Enrolment Statistics (Spring 2013, recent)
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