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hotstars news

Bouncing against the Yellow Void – exploring the outbursts of ρ Cas from visual observations

19. 1. 202210. 3. 2022 admin

Michaela Kraus from the ASU Stellar department together with Grigoris Maravelias from Greece studied the episodes of dimming connected with a mass loos of the

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hotstars news

12 Vul – a star in transition from Be to B[e]?

24. 11. 202124. 11. 2021 Olga Maryeva

The class of hot B-type stars consists of various sub-groups among which we find the classical Be stars and the more exotic B[e] stars. Both

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department hotstars news

An international Workshop on observational techniques 2021 is currently underway at the Ondřejov Observatory

15. 9. 202114. 10. 2021 admin

The Faculty of Science at the University of Potsdam in Germany and ASU entered into the agreement in June 2021 with the objective of conducting

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hotstars news

The first models of hot dwarf star atmospheres with clumping

14. 9. 202114. 10. 2021 admin

Jiří Kubát and Brankica Kubátová from the Stellar Department of Astronomical Institute have published an article in which they deal in detail with the effect

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spectra-novacas
hotstars news

Nova Cas 2021 observed with Perek 2m Telescope in Ondřejov

11. 8. 202114. 10. 2021 admin

Today, astrophysicists use highly sensitive instruments and register every year thousands of supernovae, dozens of gamma-ray bursts, and even sources of gravitational waves. Due to

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News

  • Profession of astrophysicist and the Perek telescope presentation for students of the Sofie Basic School in Říčany
  • How long can LBVs sleep?
  • TESS space mission exoplanets dimensions and weights determined at Ondřejov Observatory
  • Spectroscopy of the massive interacting binary UU Cassiopeiae
  • Open days 2022
  • Cyg X-1 Black Hole: NASA and AI ASCR joint observation campaign
  • The “LELOIR” prize for Dr. Michaela Kraus
  • GRB 190919B: Rapid optical rise explained as a flaring activity
  • The E152 telescope in the Chilean Atacama Desert is in Czech use
  • Stellar wind research contributed to a better understanding of massive stars

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Deputy: Miroslav Šlechta
Secretary: Eva Kortusová
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  •  Czech Academy of Sciences

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