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419 (0,091s) •

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 star...

BN - Astronomie a nebeská mechanika, astrofyzika

  • 2007 - 2009
    • •
  • 1 681 tis. Kč
    • •
  • 1 681 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 fro...

BN - Astronomie a nebeská mechanika, astrofyzika

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

Hydrodynamics of stellar wind of hot stars (GP205/03/D020)

radiatively driven stellar wind of hot stars. However, this models are computed using-consistent models of hot star winds. The description of stellar winds with relatively/445 "Physics of hot stars and

BN - Astronomie a nebeská mechanika, astrofyzika

  • 2003 - 2006
    • •
  • 1 028 tis. Kč
    • •
  • 389 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 and connect their stellar wind from the...

Astronomy (including astrophysics,space science)

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

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

with the stellar wind leading to angular momentum loss from the stars. The study of the stellarTraditionally, the stellar mass is regarded as the main parameter that determines the stellar evolution. Howe...

BN - Astronomie a nebeská mechanika, astrofyzika

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

Circumstellar envelopes of hot stars (GA205/04/1267)

in moving media, and multicomponent stellar wind models. Detailed propertiesCircumstellar envelopes of hot stars influence the stellar spectrum and in particular also the stellar evolution. The solution of propose...

BN - Astronomie a nebeská mechanika, astrofyzika

  • 2004 - 2006
    • •
  • 2 722 tis. Kč
    • •
  • 2 722 tis. Kč
    • •
  • GA ČR
Project

Dynamics of multicomponent stellar wind from hot stars (GP205/09/P476)

AbstraktHot stars, namely spectral types O and B, show very strong radiatively driven stellar wind. Study and hydrodynamical simulations of stellar wind are one of the basic methods for theoretical description of o...

BN - Astronomie a nebeská mechanika, astrofyzika

  • 2009 - 2011
    • •
  • 549 tis. Kč
    • •
  • 549 tis. Kč
    • •
  • GA ČR
Project

Mass loss in hot massive stars (GA13-10589S)

will concentrate mainly on the mass loss by stellar winds and decretion disks of criticallyMassive stars constitute one of the most important stellar populations. Therefore, the detailed knowledge of massive star evolution...

BN - Astronomie a nebeská mechanika, astrofyzika

  • 2013 - 2017
    • •
  • 8 796 tis. Kč
    • •
  • 8 796 tis. Kč
    • •
  • GA ČR
Project

B[e] supergiants where is their place within the evolution of massive stars? (KJB300030701)

symmetric winds and the formation of their (neutral) disks. The goal of this project studies of the effects of (rapid) rotation on shaping the winds, influencing the appearance of the star when seen under different inclinations, an...

BN - Astronomie a nebeská mechanika, astrofyzika

  • 2007 - 2009
    • •
  • 1 624 tis. Kč
    • •
  • 1 624 tis. Kč
    • •
  • AV ČR
Project

Mass-loss rate predictions for hot stars (GA205/08/0003)

Massive hot stars constitute an important part of our Galaxy and many other galaxies. Consequently, a detailed knowledge of their evolution and of their influence on the circumstellar environment is necessary for our understanding of the structure an...

BN - Astronomie a nebeská mechanika, astrofyzika

  • 2008 - 2012
    • •
  • 4 876 tis. Kč
    • •
  • 4 876 tis. Kč
    • •
  • GA ČR
  • 1 - 10 out of 419