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Ondřej Pejcha

Time-domain astronomy group at Charles University, Prague

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Ondřej Pejcha

Two new Bachelors

Our group recently graduated two new Bachelor students. Jakub Hadač defended his thesis on Simulations of mass transfer in binary star systems with the effect of radiation pressure. Jakub will continue with Master studies in Astronomy at Heidelberg University. Šimon Brunovský also defended his thesis on Circumbinary disks around stellar mergers. Congratulations to both!

Author opejchaPosted on July 8, 2026September 23, 2026

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About

We are interested in connecting theory, observations, and data modelling of time-domain phenomena in astronomy with a focus on binary stars. This includes transients such as stellar mergers and core-collapse supernovae, persistent variable sources such as eclipsing binaries and pulsating stars, and stellar dynamics.  We do (radiation)(magneto)hydrodynamics on supercomputers, semi-analytic models, and machine learning of astronomical data. Come meet us at Science coffee every Tuesday and Thursday at 2.30pm in KVAS room at ITP.

We are supported by the ERC Consolidator grant ROGALLO to develop new methods for studying processes in binary stars. We are also support by Czech Science Foundation to study mass transfer in binaries. In the past, we received ERC Starting grant Cat-In-hAT to common envelope evolution and the associated transients, Czech-American collaboration grant from the Czech Ministry of Education, Youth, and Sports to participate in the ASAS-SN survey and the Primus award from the Charles University.

Recent Posts

  • Summer school on evolution and fate of binary stars
  • Welcome to two new PhD students
  • Two summer students
  • Two new Bachelors
  • EAS2026 meeting in Lausanne

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Address

Institute of Theoretical Physics (A1038)
Faculty of Mathematics and Physics
Charles University
V Holešovičkách 2
180 00 Praha 8
Czech Republic

 

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  • Home
  • Team
  • Science coffee
  • Open positions
  • Teaching
    • Fundamentals of Plasma Theory
    • Astrophysics of Gravitational Wave Sources
    • New Developments in Astrophysics and Theoretical Physics
  • Downloads
  • Facebook of ITP MFF UK
  • Email
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