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The Astronomical Institute of the Academy of Sciences of the Czech Republic (AI ASCR)

is the leading institution in astronomical and astrophysical research in the Czech Republic

It is the largest institution in the country in the field of astronomy, astrophysics and the space science with a long professional tradition. The research covers a wide range of topics; from the immediate environs of the Earth, stars, exoplanets, to distant galaxies and black holes in their cores.

The research activities are carried out in four scientific departments (Solar, Stellar, Interplanetary Matter, Galaxies and Planetary Systems).

The AI ASCR is involved in a broad international cooperation, in recent years carried out namely in the frame of the European Southern Observatory (ESO), the European Space Agency (ESA) and Seventh Framework Programme (FP7), and in many bi-lateral collaborations with partner institutions in Europe and overseas.

The research staff at the AI ASCR is composed from experienced researchers in various branches of astrophysics. Since the institute is oriented to basic research the main scientific output is in the form of many (around 100 per year) original papers published in the international impacted peer-reviewed journals. The senior researchers also take part in teaching at universities, namely the nearby Charles University in Prague.

Petr Kabath
  • PI main coordinator
    He is the PI of the Erasmus+ project located at AI ASCR, CZ. His main sceintific interest is exoplanetary science. Petr Kabath focuses on measurement of radial velocities of exoplanetary candidates and on detection and characterization of exoplanetary atmospheres. Before taking up the position of research scentist at Astronomical Institute ASCR, he was working at European Southern Observatory as a Postdoctoral Fellow and a staff astronomer at Paranal observatory for nearly 6 years.
Vladimír Karas
  • Director of AI AVCR
    Research scientist at the Astronomical Institute of Academy of Sciences, wich he joined in 2004. He has since then taken charge of Relativistic Astrophysics program. Before coming to the Prague section of the Institute, he held a position of Associate Professor in astrophysics at Charles University. As a director of the onstitute, he is supporting mobility and educational projects and he possesses 5 years of expirience with high level management of largest astronomical indstitute.
Tereza Klocová
  • She is a young and experienced postdoc at the Ondrejov observatory where she focuses on the study of active exoplanet host stars and on the RV follow-up measurements of exoplanetary candidates. She graduated on Masaryk Univesity in Brno (2013, Czech Republic) in field of transiting

Marek Skarka
  • He is a senior postdoc at AI ASCR, CZ. After obtaining his PhD at Masaryk University in Brno, CZ, he spent two years at Konkoly observatory, HAS, Budapest, HU. His expertise are stellar pulsations, binary stars with pulsating component, and time-series analysis. Currently he works on spectroscopic follow-up observations of exoplanetary candidates.
Marek Skarka
  • He is a researcher at the Prague Relativistic Astrophysics Group of the Astronomical Institute of the Academy of Sciences. My research focuses on X-ray observations of matter falling onto black holes in active galactic nuclei and X-ray binaries. I got PhD from Charles University in Prague in 2010.
    In 2011-2013, I was Research Fellow in the European Space Astronomy Centre (ESAC) of the European Space Agency ESA in Madrid (Spain).


Masaryk University

Department of Theoretical Physics and Astrophysics

The Astrophysics Division supports the Physics - Astrophysics bachelor's degree programme and it offers complete general undergraduate and graduate courses in astronomy, astrophysics and cosmology as well as advanced courses due to research fields of our staff members as follows:

  • Hot Stars
  • Variable Stars
  • Practical Astrophysics
  • Physics of Stellar Atmospheres
  • Physics of Cool Stars

We focus on particular problems in physics of hot stars and systems of stars with hot components. Research of our division also remarkably contributes to general understading of stellar magnetic field geometry and its connection to formation of spectroscopic and photometric spots and zones respectively observed on surface of so-called chemically peculiar (CP) stars. We perform detailed observational and theoretical study of hot stars without assumption of local thermodynamic equilibrium and involving models of stellar winds.

The division operates the Masaryk University Observatory in Brno (at Kraví hora), equipped with an 0.6m reflector and modern CCD camera.

Jan Janík
  • dr. JAN JANÍK
  • Coordinator UTFA
    He is dedicated to astronomy not only as scientists and data analyzer, but also from the position of active observer (photometry and spectroscopy). He often go to observe in Chile, South Africa, Russia or neighboring Poland. He smainly studies variable stars, especially chemically peculiar stars and eclipsing binaries, his scientific activity was directed at the (in many respects for Statistics interesting) open clusters. His vast experience in optical astronomer he passes to students inteaching General Astronomy and Astronomical observations, moreover, he leads and undergraduate seminars.
doc. Ernst Paunzen
  • asoc. prof. ERNST PAUNZEN
  • He is doing classical stellar astrophysics, trying to tie together observations and models on solid statistical grounds. Besides the study of variable and chemically peculiar stars as well as star clusters, he has done a lot of spectral classification work including the UV and NIR region. Since 20 years, he is using the three narrow-band Delta photometric system to search for peculiar stars. He extended its original intention to study field stars and open clusters in the solar neighbourhood to globular clusters, the Magellanic Clouds, and Galaxy clusters. Another important part of his work is dedicated to data bases, data mining, pipeline software, and virtual observatory. Several data base, for example, are already established at our institute and being very frequently used by the community. Furthermore, doc. Paunzen is also involved in several space based satellite missions like BRITE, CoRoT, and MOST.
prof. Jiří Krtička
  • prof. JIŘÍ KRTIČKA
  • He deals with the application of fluid dynamics, statistical physics and radiation transfer equation in the atmosphere, stellar winds and hot environments of stars. He studied numerous hot objects, among others for example, hot main sequence stars, supergiants, chemically peculiar stars, central stars of planetary nebulae or first stars in the universe. He created his own programs for modeling stellar winds of hot stars, draining disks of rapidly rotating stars and variability of chemically peculiar stars.


Comenius University Bratislava

The Faculty of Mathematics, Physics and Informatics

is a part of Comenius University in Bratislava (FMPI CU), which is one of the largest educational and scientific institutions in Slovakia established in 1919.

The research staff of the division of Astronomy and Astrophysics has a long-term experience with the research on small Solar System bodies, nongravitational effects acting on dust grains in the Solar System and a theoretical research in galactic astrophysics. The investigators are also involved in several international projects (i.e. ESA PECS).

Department of Astronomy, Physics of the Earth and Meteorology

operates own observatory serving as educational and research facility. Various observational programmes on astrometry, photometry of asteroids, comets, space debris and on meteor astronomy are carried out at the observatory.

In addition, the division of Astronomy and Astrophysics runs the original all-sky video meteor detection system AMOS (All-Sky Meteor Orbit System), which has been invented and developed at the observatory. AMOS system and meteor spectral cameras are autonomically running in Slovakia, Canary Islands and Chile (Atacama Desert).

dr Juraj Tóth
  • asoc. prof. JURAJ TÓTH
  • Coordinator UK Bratislava
    He is focuses on the physics of interplanetary matter, meteor physics and he is also a specialist in video meteor observations. He is an author of the video meteor detection system AMOS, which is also running at the Canary Islands observatories of IAC (Teide and Roque de los Muchachos).
dr. Roman Nagy
  • dr. ROMAN NAGY
  • He is an assistant professor at FMPI CU. He has experience with modelling the gravitational field of the Galaxy, simulating the motion of the Sun and studying nongravitational effects influencing the motion of dust grains in the Solar System.
doc. Leonard Kornoš
  • asoc. prof. LEONARD KORNOŠ
  • His scientific interests are physics of the interplanetary matter and dynamics of small bodies of the Solar System. He carries out numerical simulations of meteoroid streams and examines generic relations between streams and parent bodies. He is one of the coordinators of the international database of meteor orbits EDMOND.


Astronomical Institute of Slovak Academy of Sciences

is the largest astronomical institution in Slovakia.

The institute is the leading astronomical research institution in the Slovak Republic. It is located in the resort area in the High Tatra National Park close to the village called Tatranska Lomnica. Thirty two researchers work mainly in the field of solar physics, comets, asteroids, binary stars and exoplanets.

It runs three observatories in the High Tatras Mountains. The research of AI SAS focuses on solar physics (solar activity cycle, solar magnetism, and corona), interplanetary matter (asteroids, comets, meteor(oid)s and dust), stellar physics (interacting binaries, variable stars, open clusters) and exoplanets.


dr. Martin Vaňko
  • dr. JÁN BUDAJ
  • Coordinator AI SAV
    His research interests are exoplanets, interacting binary stars, dust, synthetic spectra, chemically peculiar stars, LTE/NLTE abundance analysis.
dr. Ján Budaj
  • Director of AI SAV
    His research interests are exoplanets, young
    T-Tauri stars, and interacting binary stars.
dr. Theo Pribulla
  • Head of the stellar department
    His research interests are stellar astronomy, binary stars and multiple systems, astronomical instrumentation: visual spectroscopy, infrared photometry, mirror coating.


The Instituto de Astrofísica de Canarias (IAC)

is one of Spain's largest research institutions and a Severo Ochoa Center of Excellence, with strong ties to almost all frontiers of astrophysical research.

Furthermore, the IAC is responsible for the Observatorio del Teide (Izaña, Tenerife) and the Observatorio del Roque de los Muchachos (Garafía, La Palma). The IAC is also devoted to the development of state-of-the-art astronomical instrumentation, playing a key role in in the design and construction of several instruments for the next-generation of optical telescopes.


David Jones
  • Coordinator IAC - He is the primary contact point for the project for the IAC. He is a postdoctoral researcher based at the Instituto de Astrofísica de Canarias on the Spanish island of La Palma. He has also worked at the European Southern Observatory’s Paranal Observatory in Chile, the Universidad de Atacama, the Isaac Newton Group of Telescopes, and the Jodrell Bank Centre for Astrophysics. His interests cover all aspects of binary stellar evolution, but with special focus on the common envelope phase and the formation of planetary nebulae.
dr. Jorge García Rojas
  • He is advanced postdoctoral researcher at the Instituto de Astrofísica de Canarias. During his research career he has also worked as postdoctoral researcher in the Universidad Nacional Autónoma de México and as a support astronomer at the Canary Islands Observatories. His main research field is focused on the study of the physics of the interstellar ionized gas, particularly on precise determinations of chemical abundances in HII regions and planetary nebulae.


Gran Telescopio de Canarias

GRANTECAN is responsible for the operation of the World's largest optical telescope, the 10.4m Gran Telescopio Canarias or GTC, based at the IAC's Roque de Los Muchachos Observatory (Garafía, La Palma).

The telescope itself is unique in that its primary mirror is formed from 36 hexagonal segments which together act as one single, gargantuan 10.4m mirror, while it's instrumentation suite spans the ultra-violet to the mid-infrared with a wide-range of observing techniques and resolutions.

dr. Peter Pessev
  • Coordinator GTC
dr. Antonio Cabrera
  • Member
dr. Romano Corradi
  • Director of GTC