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Author: Jiří Srba

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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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highenergy news

How to turn a long duration gamma-ray burst into a short one …

2022-12-142022-12-14 Jiří Srba

A team led by Jilian Rastinejad of Northwestern University in the US studied the unusual gamma-ray burst GRB 211211A with many different ground-based and space-based

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exoplanet news

Two low-mass companions of evolved giant stars discovered with a help of Perek 2-m telescope in Ondřejov

2022-10-21 Jiří Srba

In 2010, Marie and Raine Karjalainen (Stellar Department, AI AS ČR) began searching for companions of giant stars in catalogue of objects observed by the

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department news

Profession of astrophysicist and the Perek telescope presentation for students of the Sofie Basic School in Říčany

2022-08-092022-08-09 Jiří Srba

The head of the Stellar department of the Astronomical Institute of the Academy of Sciences in Ondřejov, Brankica Kubátová, visited the Sofie Basic School in

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exoplanet news

TESS space mission exoplanets dimensions and weights determined at Ondřejov Observatory

2022-06-302022-08-09 Jiří Srba

Exoplanets discovered by TESS (Transiting Exoplanet Survey Satellite) space mission were characterized at Astronomical Observatory of ASU CAS in Ondřejov. In the first quarter of

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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

Contact

Head: Brankica Kubátová
Deputy: Martin Jelínek
Secretary: Eva Žďárská
Phone: +420 323 620 226
E-mail: eva.zdarska @ asu.cas.cz

Address:
Fričova 298, 251 65 Ondřejov
Czech Republic

Links

  •    Astronomical Institute of CAS
  •    Czech Academy of Sciences

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