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4 363 (0,097s) •

Project

Circumstellar environment of evolved hot stars (GAP209/11/1198)

from a circumstellar source. Interestingly, stars from all three groups show besides their infrared excess due to hot circumstellar dust, strong line emission disk. We thus aim at investigating the circumstellar conditions...

BN - Astronomie a nebeská mechanika, astrofyzika

  • 2011 - 2013
    • •
  • 3 656 tis. Kč
    • •
  • 3 656 tis. Kč
    • •
  • GA ČR
Project

Molecules in the environments of evolved massive stars (GA17-02337S)

sequences for the environments of B[e]SGs, with focus on the circumstellar ringsRecent analysis of the circumstellar material of B[e] supergiants (B[e]SGs) revealed the surprising result that these stars are surrounded by ...

BN - Astronomie a nebeská mechanika, astrofyzika

  • 2017 - 2019
    • •
  • 5 499 tis. Kč
    • •
  • 5 076 tis. Kč
    • •
  • GA 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 o...

BN - Astronomie a nebeská mechanika, astrofyzika

  • 2008 - 2012
    • •
  • 4 876 tis. Kč
    • •
  • 4 876 tis. Kč
    • •
  • GA ČR
Project

Structure and evolution of stellar ejecta (GA20-00150S)

display intense emission, characteristic for dense circumstellar nebulae. However, to date surprisingly little is known about their large-scale environments, and only 12 the structure and dynamics of the circumstellar mate...

Astronomy (including astrophysics,space science)

  • 2020 - 2023
    • •
  • 6 106 tis. Kč
    • •
  • 6 106 tis. Kč
    • •
  • GA ČR
Project

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

in the stellar interior. Surface magnetic fields provide stabilized environment, where...

BN - Astronomie a nebeská mechanika, astrofyzika

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

Structure and evolution of the circumstellar emission disks of Be stars (GA202/97/0326)

The monitoring of the emission profiles of Balmer H-alfa line and some Fe II and Si II lines formed in the circumstellar emission disks of the Be-type stars has field. I order to derive the structure and evolution of the circumstellar

BN - Astronomie a nebeská mechanika, astrofyzika

  • 1997 - 1999
    • •
  • 385 tis. Kč
    • •
  • 339 tis. Kč
    • •
  • GA ČR
Project

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

Circumstellar envelopes of hot stars influence the stellar spectrum and in particular also the stellar evolution. The solution of proposed project will contribute to the understanding of both mentioned relationships. This is why we plan to c...

BN - Astronomie a nebeská mechanika, astrofyzika

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

Properties of the circumstellar matter around B[e] stars (GA17-00871S)

The goal of the project is to contribute to the understanding of the B[e] phenomenon (the presence of extended gaseous and dust envelopes around some B type stars exhibiting forbidden emission lines). We intend to obtain and analyse systematic series...

BN - Astronomie a nebeská mechanika, astrofyzika

  • 2017 - 2021
    • •
  • 2 139 tis. Kč
    • •
  • 1 837 tis. Kč
    • •
  • GA ČR
Project

Tracing the mass-loss history in evolved massive stars (7AMB14AR017)

the structure and kinematics of the circumstellar material of these objects. The aim winds and the formation of circumstellar disks, shells, and nebulae around massive material. This circumstellar material is so cool and d...

BN - Astronomie a nebeská mechanika, astrofyzika

  • 2014 - 2015
    • •
  • 320 tis. Kč
    • •
  • 320 tis. Kč
    • •
  • MŠMT
Project

Physics of stars, stellar systems and universe (GD205/03/H144)

as the relativistic astrophysics of stars (including the Sun), circumstellar and interstellar...

BN - Astronomie a nebeská mechanika, astrofyzika

  • 2003 - 2007
    • •
  • 13 501 tis. Kč
    • •
  • 13 501 tis. Kč
    • •
  • GA ČR
  • 1 - 10 out of 4 363