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exoplanet news

BD-14 3065b (TOI-4987b) – from giant planet to brown dwarf: evidence for deuterium burning in old age?

2024-06-28 admin

The exoplanet/brown dwarf BD-14 3065b has an unexpectedly large radius for its age, suggesting that it is burning deuterium. This is the process that distinguishes

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hotstars news

Shaping the nebula around the symbiotic system R Aquarii

2024-06-272024-06-27 Jiří Srba

Stars remain bright points even when observed with the largest telescopes. But some processes create strange structures of gas and dust around these stars. One

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exoplanet news

HD110067c has an aligned orbit

2024-06-232024-06-23 admin

The number of extrasolar planets discovered has long since exceeded five thousand, and in 905 cases entire planetary systems have been discovered. Only a very

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department news outreach

Science Fair 2024

2024-06-032024-06-25 admin

The Astronomical Institute of the CAS also participated in the Science Fair 2024 at the Prague Exhibition Centre in Letňany. The presentation “On the rand

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department Perek-2m

The mirror of the Perek 2-m telescope sent to Germany for a new coating

2024-05-242024-05-24 admin

During our tours of the Ondřejov Observatory we always tell you that once every few years the main mirror of the largest Czech telescope is

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News

  • 50 Dra – Am-type twins with additional variability in a non-eclipsing system
  • Lecture for high school students from Benešov
  • International Conference on High Energy Astrophysics IBWS 2025
  • 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

Contact

Head: Brankica Kubátová
Deputy: Martin Jelínek
Secretary: Eva Žďárská
Phone: +420 323 620 226
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Fričova 298, 251 65 Ondřejov
Czech Republic

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