Conveners
Solar System & extrasolar planets
- Kateryna Kulish
- Dmytro Orikhovskyi
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Dr Jiri Silha (Comenius University Bratislava, Slovakia)25/04/2023, 12:15
Research and scientific scope of the Division of Astronomy and Astrophysics, which belongs to the Department of Astronomy, Physics of the Earth and Meteorology, is focused on the interplanetary mass, physics and dynamics of small bodies of the Solar system, their relations and evolution and on modeling of the orbital evolution of the dust particles. Research also focuses on space debris and...
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Ms Kateryna Kulish (Comenius University in Bratislava, Bratislava, Slovakia)25/04/2023, 13:00
Comets of the Jupiter family are quite popular for study by both space missions and ground-based observations due to their orbits. This makes it possible to study these comets during their several approaches to the Sun and observe their evolutionary changes. The results of imaging photometric and long-slit spectroscopic observations of comet 108P/Ciffreo obtained in 2014 are presented. The...
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Ms Mary Kravtsova (Department of Astronomy and Space Informatics of V. N. Karazin Kharkiv National University, Kharkiv, Ukraine)25/04/2023, 13:15
"Low-albedo asteroids are predominantly located on the outer part of the main belt and
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consist of the most primitive matter formed in the early stages of the formation of the Solar
System. A detailed study of their surface structure and mineralogical composition can
provide insight into the processes that formed the planets and other celestial bodies in our Solar System. One of the... -
Ms Valeriia Rychahova (Institute of Astronomy Kharkiv National University, Kharkiv, Ukraine)25/04/2023, 13:30
"The phase-ratio method as well as color-ratio imagery was commonly used to identify structural changes of the upper regolith layer of the lunar surface, especially in the spacecraft landing sites. In the present it's possible to implement these methods to images of other planetary bodies due to extending number of space missions intended to provide remote sensing of planetary surfaces. Such...
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Mr Arsenii Kasianchuk (Faculty of Physics Taras Shevchenko National University of Kyiv, Kyiv, Ukraine)25/04/2023, 13:45
(65803) Didymos is a binary asteroid of spectral class S with a primary diameter of 0.78 km and a secondary diameter of 0.15 km. (65803) Didymos was the target of NASA's DART mission (2022), the Italian Space Agency's LICIA mission (2022), and is the target of the European Space Agency's upcoming Hera mission (2026).
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In this work, we present the results of our observations (65803) Didymos on... -
Ms Sakshi Gupta (Indian Institute of Science Education and Research Kolkata, Near Haringhata farm, Nadia, West Bengal, India)25/04/2023, 14:05
The long-term evolution of stellar magnetic activity governs the environment of the orbiting planets impacting their habitability. We perform three-dimensional magnetohydrodynamic simulations followed by a detailed parameter space study to understand the effect of variation in stellar wind magnetic field and intrinsic magnetosphere on the planetary magnetic field topology and atmospheric mass...
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Mr Swastik C (Indian Institute of Astrophysics, Bengaluru, India)25/04/2023, 14:20
"In this study, we examine the kinematic and chemical features of the largest number of 2627 exoplanets harbouring stars whose parameters have been uniformly determined. We combine photometric, astrometric, and spectroscopic data from the most recent Gaia DR3 to examine the various populations of exoplanets harbouring stars. Using spectroscopic data, we determined that stars hosting massive...
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Mr Dmytro Orikhovskyi (Comenius University in Bratislava, Bratislava, Slovak Republic)25/04/2023, 14:35
"Orbital planes of numerous close-in exoplanets are not always perpendicular to the host star spin axis. This means that the current orbital plane of the exoplanet was probably altered after the system was formed. Projected spin-orbit misalignment can be measured in transiting exoplanets using so called Rossiter-McLaughlin effect affecting radial velocity of the host star. For fast-rotating...
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Ms Mariia Lobodenko (Faculty of Physics, Taras Shevchenko National University of Kyiv, Kyiv, Ukraine)25/04/2023, 14:50
The analysis of the light curves of stars hosting planetary systems can potentially provide information about various physical processes taking place in the system: the physical variability of the star itself caused by pulsations, the rotation period of the star revealed by spots, the planet's orbital and rotation periods, etc. The data sets of the orbital telescopes Kepler and TESS...
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