Galaxies department
The department of Galaxies (GAL) studies evolution of isolated galaxies or galaxies in groups or clusters, formation of stars and star clusters. The infrared, UV and X-ray observations are compared to analytical models and computer simulations of gravitational and MHD processes. Properties of high enegry X-ray radiation from active galactic nuclei and galactic black hole candidates are analysed and modelled in the framework of general relativity. Earth rotation and its gravity field and the gravity field of other bodies of the solar system are studied. We analyse the dynamics of asteroids and Trans Neptunian Objects (TNO) and also compose an astrometric star catalogue.
Press release 16th November 2020 - The Stars at the Centre of the Milky Way - or "Enigmatic Rejuvenation"
The department has three working groups
Physics of galaxies
The group studies the dynamics, formation and evolution of galaxies as well as of stars and star clusters contained within. We investigate dynamics of interstellar gas and its ram-pressure stripping due to interaction with intracluster medium. We are also interested in spatially-resolved spectroscopy of active galactic nuclei, and in interactions in the local system Milky Way – Magellanic clouds.
Head: Jan Palouš
See more at galaxy.asu.cas.cz
Relativistic astrophysics
The relativistic group investigates compact objects (neutron stars or black holes) and studies processes, which take place in their vicinity. Based on our calculations and numerical simulations, we model properties of produced X-ray radiation, its spectra, polarization and temporal variability. We also perform theoretical calculations in the field of electrodynamics of black holes and accretion discs.
Head: Vladimír Karas
See more at astro.cas.cz
Astrodynamics and space geodesy
The group studies the dynamics of natural and artificial bodies in the Solar system, both gravitational and nongravitational forces. Our research focus on the Earth's outer environment like the upper atmosphere, the gravitational and geomagnetic fields, space debris. Further we deal with the Earth's orientation parameters and its rotation. We use the planetary gravity field models to characterize and identify near-surface structures.
Head: Aleš Bezděk
See more at planets.asu.cas.cz
Contact
Department head: Richard Wünsch
Deputy: Cyril Ron
Secretary: Helena Elgendy Žežulková
tel.: +420 226 258 400
email: helena.zezulkova@asu.cas.cz
Address: Boční II 1404/1, 141 00 Praha 4, CZ