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HD 144812 – A transition-phase massive star in a binary system

2025-04-202025-04-30 admin

Modelling the late stages of the evolution of very massive stars is one of the biggest challenges in astrophysics today. In addition, the limited availability

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hotstars news Perek-2m

Disentangling the stellar atmosphere and the focused wind in different accretion states of Cygnus X-1

2025-03-202025-03-20 admin

Cygnus X-1 is one of the most famous X-ray binaries in our Galaxy. This system consists of a massive blue supergiant and an invisible companion

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hotstars news

Horizontal flows in the atmospheres of chemically peculiar stars

2025-02-05 admin

Abstract Context. Classical chemically peculiar stars exhibit atmospheres that are often structured by the effects of atomic diffusion. As a result of these elemental diffusion

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department hotstars news

POEMS: Physics of extreme massive stars

2024-10-232024-10-23 admin

POEMS (Physics of extreme massive stars) project investigates a variety of physical aspects that boost understanding of specific extreme phases in the evolution of massive

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hotstars news

The Long-term Activity of the Postnovae Q Cygni and BK Lyncis

2024-10-212024-10-21 admin

V. Simon of the Stellar department at ASU studied long-term observations of two cataclysmic variables that erupted as classical novae in astronomically recent times. In

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News

  • Days of Open Doors at ASU Ondřejov 2025
  • Stellar obliquities of eight close-in gas giant exoplanets
  • HD 144812 – A transition-phase massive star in a binary system
  • Our Erasmus+ project has been nominated
  • Disentangling the stellar atmosphere and the focused wind in different accretion states of Cygnus X-1
  • Chat with an astronomer 2025
  • Horizontal flows in the atmospheres of chemically peculiar stars
  • Spectroscopy of comet C/2023 A3 (Tsuchinshan-ATLAS)
  • Exceptionally Large Transit Timing Variations Induced by Two Resonant Warm Gas Giants in a Three-planet System
  • PLATOSpec – the new instrument at ESO’s La Silla Observatory is now ready for exoplanet research

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Deputy: Martin Jelínek
Secretary: Eva Žďárská
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Fričova 298, 251 65 Ondřejov
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