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hotstars news

Stellar wind research contributed to a better understanding of massive stars

2022-03-152022-04-12 admin

The Czech Science Foundation (GA CR) announced the final evaluation of project no. 18-05665S ‘Mass loss in the late evolution stages of massive stars’ which

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hotstars news

Revisiting the evolved hypergiants in the Magellanic Clouds

2022-03-102022-04-12 admin

A team of astronomers led by Michalis Kourniotis (Department of Galaxies and Planetary Systems, AI) and Michaela Kraus (Stellar Department, AI) focused on refining data

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hotstars news

HR 6819 is a binary system with no black hole

2022-03-022022-03-02 admin

In 2020 a team led by European Southern Observatory (ESO) astronomers reported the closest black hole to Earth, located just 1000 light-years away in the

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hotstars news

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

2022-01-192022-03-10 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]?

2021-11-242021-11-24 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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Posts pagination

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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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  •    Czech Academy of Sciences

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