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The most significant processes in particle astrophysics, synchrotron radiation, Compton scattering. The motion and radiation of charged particles under cosmic conditions. Process of accretion.
Last update: T_AUUK (24.05.2001)
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Oral exam Last update: Šubr Ladislav, doc. RNDr., Ph.D. (13.06.2019)
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T. Padmanabhan, Theoretical Astrophysics, Cambridge University Press, Cambridge, 2002 Last update: T_AUUK (24.03.2015)
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Přednáška. Last update: T_AUUK (31.03.2008)
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Zkouška má ústní formu (student dostává po zadání dvou otázek přibližně jednu hodinu na přípravu). Požadavky ke zkoušce odpovídají sylabu předmětu v rozsahu, který byl prezentován na přednášce. Last update: Šubr Ladislav, doc. RNDr., Ph.D. (10.10.2017)
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Cosmic electrodynamics. Radiation of an accelerated charged particle; bremsstrahlung; opacity for Thompson scattering and free-free absorption; Liouville's theorem and its implication for conservation of intensity along the light ray; raditive transfer equation; synchrotron radiation; Compton scattering and inverse Compton scattering; Sunyaev-Zel'dovich effect
Basic model of pulsar - aligned rotator
Accretion process. Particles and fluid in astrophysics - basic (hydro)dynamical equations; spherical steady-state accretion; star moving through a nebula - Bondi accretion; disc accretion, viscosity, boundary layer, spectrum; accretion on black holes; high accretion - accretion torus, hydrodynamics of rotating fluids; other models of accretion discs - vertically integrated (slim) discs; S-diagram; conditions for thermal and viscous stability.
Active galactic nuclei. Elementary observational facts about quasars and related objects; standard model of active gelectic nuclei; continuum and spectral lines, cheracteristic time and length scales. Last update: T_AUUK (24.03.2015)
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