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department news

From my very first observation in Ondřejov—perhaps just once—to the world’s largest observatories

2026-09-042026-09-24 admin

For the seventh year in a row, the Ondřejov Observatory is hosting the international Workshop on Observational Techniques. This year, 21 students are participating; over

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department hotstars news

International Conference on High Energy Astrophysics IBWS 2026

2026-05-252026-06-02 admin

The 20th annual IBWS (INTEGRAL/BART Workshop) international conference begins in Cheb on Monday, May 25, 2026, and will continue through May 29, 2026. The conference

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department outreach

Days of Open Doors at ASU Ondřejov 2026

2026-05-222026-05-22 admin

On the 15th and 16th of May 2026 the public event “Days of Open Doors” took place at the ASU Observatory in Ondřejov. Scientists, students

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department outreach

Chat with an astronomer 2026

2026-02-172026-02-17 admin

Did you know that Annie Cannon (1863-1941) was the creator of the current stellar classification, OBAFGKM, based on the stellar spectra? Or that Jocelyn Bell

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Glass plates taken at the Armagh-Dunsink-Harvard Telescope in Bloemfontein, South Africa, in 1950 and 1951 were annotated by hand.
department hotstars news outreach

How Modern and Antique Technologies Reveal a Dynamic Cosmos

2026-02-052026-02-05 admin

Quanta Magazine has published an interesting popular article describing the long-term work of René Hudec – emeritus researcher at the Stellar Department of the Astronomical

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News

  • From my very first observation in Ondřejov—perhaps just once—to the world’s largest observatories
  • High-resolution Near-Infrared Spectroscopy of the B[e] Supergiant LHA 115-S 18: Discovery of Hot Water Vapor Emission
  • Brown Dwarfs and Hot Jupiters on a Shared Path to the Stars
  • The Young Exoplanetary System TOI-201 — A Witness to the Turbulent Evolution of Planets
  • Thermal electrons in an ultra-relativistic shock shape the optical afterglow of GRB 250702F
  • International Conference on High Energy Astrophysics IBWS 2026
  • Days of Open Doors at ASU Ondřejov 2026
  • The origin of sinusoidal brightness variations in F- to O-type stars through radial velocities
  • Chat with an astronomer 2026
  • How Modern and Antique Technologies Reveal a Dynamic Cosmos

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

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