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Modulation of high-frequency QPOs
Bursa, Michal
2007 - English
We study strong-gravity effects on modulation of radiation emerging from accreting compact objects as a possible mechanism for flux modulation in QPOs. Zkoumáme vlivy silné gravitace na modulaci záření z akrečních disků jako možný zdroj mechanismus modulace kvaziperiodických oscilací.
Keywords:
black hole physics; gravitation; X-rays
Available at various institutes of the ASCR
Modulation of high-frequency QPOs
We study strong-gravity effects on modulation of radiation emerging from accreting compact objects as a possible mechanism for flux modulation in QPOs....
Vývoj a čísla
Rajchl, Jaroslav
2006 - Czech
Keywords:
evolution; numbers; dynamical systems
Available at various institutes of the ASCR
Vývoj a čísla
Asymmetries of Spectral Lines in Solar Flares
Prosecký, Tomáš
2006 - English
This contribusion deals with line profile asymmetries in solar flares. Basic knowledge of asymmetries and review of possible explanations and recent works is presented. Week of doctoral students 2006. Proceedings of contributed papers. Praha : Matfyzpress, 2006. Part III - Physics, p. 27-32. Praha, 06.06.2006-9.06.2006
Keywords:
solar flares; spectrum; line profile asymmetry
Available at various institutes of the ASCR
Asymmetries of Spectral Lines in Solar Flares
This contribusion deals with line profile asymmetries in solar flares. Basic knowledge of asymmetries and review of possible explanations and recent works is presented....
A manifestation of the Kozai mechanism in the galactic nuclei
Šubr, L.; Karas, Vladimír
2005 - English
Kozai mechanism is studied in galactic nuclei. Studujeme vliv Kozaiova mechanismu na jádra galaxií.
Keywords:
galaxies
Available at various institutes of the ASCR
A manifestation of the Kozai mechanism in the galactic nuclei
Kozai mechanism is studied in galactic nuclei.
Studujeme vliv Kozaiova mechanismu na jádra galaxií.
High-frequency QPOs in GRO J1655-40
Bursa, Michal
2005 - English
We determine angular momentum from QPOs. Určujeme moment hybnosti pomocí studia QPO.
Keywords:
quasiperiodic oscillations
Available at various institutes of the ASCR
High-frequency QPOs in GRO J1655-40
We determine angular momentum from QPOs.
Určujeme moment hybnosti pomocí studia QPO.
Center for Earth Dynamics Research (CEDR) - results of five years of activity
Kostelecký, J.; Vondrák, Jan; Zeman, A.; Kalvoda, J.; Schenk, Vladimír
2005 - English
Five years of activities of the Center of Earth Dynamics Research is described. Jsou popsány aktivity Výzkumného centra dynamiky Země za posledních pět let.
Keywords:
geodynamics; geodesy
Available at various institutes of the ASCR
Center for Earth Dynamics Research (CEDR) - results of five years of activity
Five years of activities of the Center of Earth Dynamics Research is described.
Jsou popsány aktivity Výzkumného centra dynamiky Země za posledních pět let.
The relativistic shift of spectral lines from black-hole accretion discs
Pecháček, T.; Dovčiak, Michal; Karas, Vladimír
2005 - English
We study gravitational redshift of spectral lines. Studujeme gravitační posuv spektrálních čar.
Keywords:
accretion
Available at various institutes of the ASCR
The relativistic shift of spectral lines from black-hole accretion discs
We study gravitational redshift of spectral lines.
Studujeme gravitační posuv spektrálních čar.
Polarization of radiation from AGN accretion discs
Dovčiak, Michal; Karas, Vladimír; Matt, G.; Martocchia, A.
2005 - English
The effects of strong gravity on polarization are studied. Studujeme vliv silné gravitace na polarizaci záření.
Keywords:
polarization
Available at various institutes of the ASCR
Polarization of radiation from AGN accretion discs
The effects of strong gravity on polarization are studied.
Studujeme vliv silné gravitace na polarizaci záření.
Virtuální trojrozměrný prostor
Klvaňa, Miroslav
2005 - Czech
Práce se věnuje možnosti přímého vizuálního pozorování dvou barevných stereosko-pických obrazů, vedoucí k vyvolání prostorového vjemu, bez použití dalších technických pomůcek. Tento způsob vzniku trojdimenzionálního (3D) efektu je znám již z minulosti, informace o něm jsou však řídké a většinou povrchní. We investigate the possibility of a direct visual observation of two color stereoscopic images in order to perceive these images spatially without the use of further technical aids. Such a method of the 3D effect evoking is known since a long time ago, but there are not many information concerning it, and they are mostly very inaccurate.
Keywords:
3D imaging; 3D effect; three-dimensional effect
Available at various institutes of the ASCR
Virtuální trojrozměrný prostor
Práce se věnuje možnosti přímého vizuálního pozorování dvou barevných stereosko-pických obrazů, vedoucí k vyvolání prostorového vjemu, bez použití dalších technických pomůcek. Tento způsob vzniku ...
Kinetic model of quasiperiodic oscillations of gaseous rings
Hadrava, Petr
2005 - English
In context of 3:2 resonant quasiperiodic oscillations, a method of "1+1/2 -dimensional" non-ideal gas dynamics is used to model axisymmetric oscillations of an orbiting ring. It is shown that the characteristic frequencies of the oscillations are influenced by the degree of freedom in the inner shear of the ring and by the rate of relaxation. Metoda "1+1/2 -dimensionalní" dynamiky neideálního plynu je užita k modelování orbitujícího disku v souvislosti s kvasiperiodickými oscilacemi v rezonanci 3:2. Je ukázáno, že charakteristické frekvence oscilací jsou ovlivněny vnitřním stupněm volnosti odpovídajícím smyku v prstenci a také mírou relaxace.
Keywords:
accretion disks; quasiperiodic oscillations
Available at various institutes of the ASCR
Kinetic model of quasiperiodic oscillations of gaseous rings
In context of 3:2 resonant quasiperiodic oscillations, a method of "1+1/2 -dimensional" non-ideal gas dynamics is used to model axisymmetric oscillations of an orbiting ring. It is shown that the ...
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