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9 141 (0,097s) •

Project

Stars in galactic nuclei interrelation with massive black holes (GM24-10599M)

that the interaction with the nuclear jet can substantially affect stellar characteristics. Here we will enhance stellar mass loss and hence, in addition to modifying stellar evolution, they inevitably change the accretion...

Astronomy (including astrophysics,space science)

  • 2024 - 2028
    • •
  • 24 811 tis. Kč
    • •
  • 24 811 tis. Kč
    • •
  • GA ČR
Project

Photometric Investigation of Selected Eclipsing Binaries (ME10099)

changes, stellar oscillations, accretion disc''''''''s activities, light time effectEclipsing binaries play decisive role in astronomical studies. They can be perceived as unique astrophysical laboratories to test our knowledge of ...

BN - Astronomie a nebeská mechanika, astrofyzika

  • 2010 - 2011
    • •
  • 240 tis. Kč
    • •
  • 240 tis. Kč
    • •
  • MŠMT
Project

Stellar winds of first stars in the Universe (GA205/07/0031)

hot. Present hot stars have stellar winds accelerated due to the light absorption stars in the Universe had stellar winds. We will test the influenceof rotation on the stellar winds of first stars. We plan to study ste...

BN - Astronomie a nebeská mechanika, astrofyzika

  • 2007 - 2009
    • •
  • 1 681 tis. Kč
    • •
  • 1 681 tis. Kč
    • •
  • GA ČR
Project

Transfer of polarized radiation in stellar atmospheres (GA14-02385S)

Polarization of stellar radiation offers an excellent diagnostic tool for studying stellar magnetism and geometrical properties of the observed objects. This project deals with transfer of polarized radiation in stellar atm...

BN - Astronomie a nebeská mechanika, astrofyzika

  • 2014 - 2016
    • •
  • 4 587 tis. Kč
    • •
  • 4 587 tis. Kč
    • •
  • GA ČR
Project

Atmospheres and circumstellar environment of magnetic hot stars (GA16-01116S)

Traditionally, the stellar mass is regarded as the main parameter that determines the stellar evolution. However, now it is clear that also other parameters, particularly magnetic field, influence many aspects of the stellar

BN - Astronomie a nebeská mechanika, astrofyzika

  • 2016 - 2018
    • •
  • 11 068 tis. Kč
    • •
  • 9 919 tis. Kč
    • •
  • GA ČR
Project

The dynamics of dense star clusters with primordial binaries and massive black holes (GA20-21855S)

Various strong stellar-dynamical processes in dense self-gravitating stellar with stellar remnants and central black holes. We aim to publish an open access computer code for rapidly dynamically pre-evolving a binary-rich i...

Astronomy (including astrophysics,space science)

  • 2020 - 2022
    • •
  • 6 085 tis. Kč
    • •
  • 6 085 tis. Kč
    • •
  • GA ČR
Project

Revealing the pulsation-induced mass loss of blue supergiants and its interplay with the interstellar medium (GA25-17532S)

develop stellar evolution and pulsation models, compute dense grids of accurate stellar atmosphere and wind parameters and confront them with the properties derived of the stellar and interstellar matter flows. The results...

Astronomy (including astrophysics,space science)

  • 2025 - 2027
    • •
  • 17 018 tis. Kč
    • •
  • 17 018 tis. Kč
    • •
  • GA ČR
Project

Accurate physical properties of hot stars based on binary and multiple star studies (GAP209/10/0715)

derived stellar masses, radii and luminosities will allow stringent tests of the theory of stellar structure and evolution and of some hypotheses aimed at explaining cetrain types of stellar variations.......

BN - Astronomie a nebeská mechanika, astrofyzika

  • 2010 - 2014
    • •
  • 5 360 tis. Kč
    • •
  • 5 360 tis. Kč
    • •
  • GA ČR
Project

Time dependent models of multicomponent stellar winds (KJB301630501)

Members of the team sucesfully completed hydrodynamical code for time dependent models of multicomponent stellar winds. With this code we analysed stability of various models of radiatively driven stellar winds from hot stars. But t...

BN - Astronomie a nebeská mechanika, astrofyzika

  • 2005 - 2007
    • •
  • 645 tis. Kč
    • •
  • 645 tis. Kč
    • •
  • AV ČR
Project

MULTIPLE STELLAR SYSTEMS AS THE KEYS TO UNDERSTAND DYNAMICAL EVOLUTION OF STARS (GA15-02112S)

The proposed project represents a continuation and a significant extension of our previous systematic studies of multiple stellar systems and astrophysically interesting binaries. By combining complementary skills of the team members, we int...

BN - Astronomie a nebeská mechanika, astrofyzika

  • 2015 - 2017
    • •
  • 7 445 tis. Kč
    • •
  • 7 445 tis. Kč
    • •
  • GA ČR
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