Akce pro veřejnost
Chat with a female astronomer 11.2.2025
Did you know that Annie Cannon (1863-1941) was the creator of the current stellar classification, OBAFGKM, based on the stellar spectra? Or that Jocelyn Bell (1943- ) discovered a strange radio signal -which she called "Little Green Men"- that turned out to be rapidly rotating compact stars that emit very regular pulses of radiation, or pulsars? During past times there were exceptional and lucky women that could follow their passion and study Astronomy. Yet, quite often their work was kept behind the scenes. Lucky us, times change!
We would like to celebrate with all of you the International Day of Women and Girls in Science!
And what better way to celebrate this special day than to bring together female professional Astronomers working in the Czech Republic and to put their knowledge and experiences within reach of everyone? That is Chat s Astronomkou, a series of activities organised between the 11 February (International Day of Women and Girls in Science) and 8 March (International Women's Day).
What activities will be organised?
- Live Streaming: Vesmír a Život. On Tuesday, 11 February at 19:00 h our Astronomers will have a live discussion with a special guest, Klara Hlouchová, about the origins of life and how space can be a hostile place for life! Watch it on the Astronomical Institute's YouTube channel. You can see previous editions here.
- Chat s Astronomkou -classical edition. On Friday, 7 March from 14 to 19 h a chat box will be available on this website, where you will be able to chat with one of our Astronomers. The topic of the chat is entirely up to you. It can be a follow-up of the Live Streaming, or more specific questions. Below you can find a brief description of the participants so you can get to know them before the chat and think about your inquiries. If you are interested in talking to a specific Astronomer, mention it at the beginning. Please, be aware that, as international as science is, there will be Czech and non-Czech astronomers online. This activity was inspired by Chatea con una Astrónoma, organised by the Spanish Astronomical Society.
- Chat s Astronomkou -school edition. From 11 February to 8 March teachers can contact us to organise a private written chat with their classroom. Children will join the chat in small groups and the selected Astronomers will be ready to answer their questions. We invite Science and Foreign languages teachers to get in touch with us. Moreover, if the chat piques their interest, we can also agree on a face-to-face talk at your school! For more details, please contact rivas@asu.cas.cz.
We are looking forward to chatting with you!!
Angelica Albertini was born in Pesaro, Italy, and she is currently a PhD student at Charles University, working at the Astronomical Institute of the Czech Academy of Sciences (Spořilov, Prague). You can chat with her in Italian or English.
Officially, her field is theoretical physics, and her research focuses on gravitational waves (GWs) emitted by black hole binaries. In particular, her work involves GW modelling within the effective-one-body approach, a flexible formalism that is widely employed for binaries where the masses of the two black holes are comparable. Her current efforts aim at extending this formalism to binaries with an extreme mass ratio, namely systems where a small compact object revolves around a massive or super-massive black hole. These systems are among the sources of the next generation of GW detectors and have an interesting scientific potential for probing new physics. In her spare time, she practices aikido, sings at open mics around Prague, and recently started to learn to play guitar.
Zuzana Balkóová is a Slovak astrophysics student currently pursuing her PhD at Charles University in Prague, and also working at the Astronomical Institute of the Czech Academy of Sciences (Ondřejov). You can chat with her in Slovak, Czech or English.
Having received her bachelor's degree from physics in her beloved hometown Nitra, Slovakia, and her master's degree from astronomy and astrophysics in the capital, Bratislava, she is currently settled in Prague. Her specialization lies in the field of exoplanetary research, focusing mainly on exoplanetary atmospheres through spectroscopy and photometry. As a member of the local exoplanetary group, she participates in remote night observing using dedicated telescope at ESO's La Silla Observatory in Chile. Besides astronomy, she enjoys nature, animals, books, movies, games and music. While not a keen traveller, she hopes to one day see the northern lights and witness an annular solar eclipse, since these seem more likely than her ever going to space... although that would be great!
Maïmouna Brigitte comes from France. She is a PhD student at Charles University and works at the Astronomical Institute of the Czech Academy of Sciences (Spořilov, Prague). You can chat with her in French or English.
She studies X-ray binary systems. These systems are composed of a black hole accreting matter from a companion star. Her favourite system is the first discovered X-ray binary (in 1964) Cygnus X-1 in the Cygnus constellation. She tries to understand the correlation between the strong wind ejected from the star and the accretion disk surrounding the black hole. In her spare time, she loves learning new things and exploring new places through reading, travelling, hiking and languages (Czech not being the easiest one). She also loves horse riding.
Her research interests include interstellar matter, star formation and galaxies (her favourite galaxy is our Milky Way and her favourite phase of the interstellar medium is the neutral hydrogen). Soňa likes to popularize astronomy and science (by giving talks, participating in Science Fairs, organizing hands-on activities during the open door days at the Institute), she also helps to organize IAU - International Astronomical Union - outreach activities in the Czech Republic (e.g. the Name Exoplanet event). In her spare time she enjoys role-playing games such as Dungeons & Dragons!
Marta García Rivas comes from Salamanca (Spain) and she is a postdoctoral researcher at the Astronomical Institute of the Czech Academy of Sciences (Ondřejov). You can chat with her in Spanish or English.
Her work focuses on the Sun. She analyses magnetic fields on the surface of the Sun and tries to understand how the magnetic fields affect inner convection to form dark structures as pores or sunspots. Datasets from satellites are always available but she also likes to go to observe to Canary islands to run her studies. She likes to do outreach activities, like giving popular talks or participating in events like the Spanish version of 'Chat s Astronomkou' or Famelab CZ. In her free time she enjoys hiking, running with her dog, doing jigsaws and, she especially enjoys struggling to learn Czech and getting to know Czech Republic!
Romana Grossova is a Slovak astronomer working at the Astronomical Institute of the Czech Academy of Sciences (Spořilov, Prague) and at Masaryk University (Brno). You can chat with her in Slovak and English.
Romana studies the activity of supermassive black holes in giant elliptical galaxies but she is also interested in galaxies, whose gas is being stripped away as they move to the center of a galaxy cluster at high relative velocities creating large tails behind the galaxy. Due to this shape, these galaxies are often called jellyfish galaxies. In her free time, she enjoys climbing, cycling, running, skiing.
Anežka Kabátová is a Czech astronomer working at the Astronomical Institute of the Czech Academy of Sciences (Spořilov, Prague) and at ČTUV (Prague). You can chat with her in Czech and English.
Since the beginning of her astronomical journey, she has been studying molecular gas in galaxies - first to see if supermassive black holes are destroying its reservoirs, and now to see if hot intergalactic matter is ripping it out of galaxy disks. Her favourite observatory is ALMA in Chile. In her spare time, she enjoys lifting weights, singing, hiking, and cooking. She also loves to talk about astronomy, which is why you can find her at open door days, science fairs, or on Chat s Astronomkou!
Her research focuses on data analysis and modelling of solar flare emission. She talks about astronomy and astrophysics with her friends and sometimes popularizes science participating in the Open Days organized at the Institute. Outside of work, she likes the outdoors, spending time with her family, reading and the music!
Brankica Kubátová is a Serbian woman working at the Astronomical Institute of the Czech Academy of Sciences (Ondřejov). You can chat with her in Czech or English.
She is involved in researching massive hot stars and their modelling. These stars are much more massive than our Sun (about 8 to 100 times) and have strong stellar winds. The wind affects the life of the star itself and also has a strong influence on its surroundings, especially the galaxies in which the stars are located. The fascinating thing is that everything we see around us on planet Earth, right down to our bodies, is made up of atoms of different chemical elements, created by thermonuclear reactions in the interior or in the explosion of some of now defunct stars. At the Ondřejov Observatory, Brankica helps to organise the Open Doors Days and the Researchers' Night. She spends her free time with her family and friends. She is also a yoga teacher and leads yoga classes for adults and children.
Adriana Pisarčíková comes from Slovakia and is a postdoctoral researcher at the Astronomical Institute of the Czech Academy of Sciences in Ondřejov. You can chat with her in Slovak, Czech, or English.
After defending her dissertation at Comenius University (UK) in Bratislava, she submitted her project to the competition of the European MERIT program, which she was successfully awarded and started implementing at the Department of Interplanetary Matter in Ondřejov in January 2025. Her main research focuses on meteors, commonly known as "shooting stars," which can be observed when meteoroids enter the Earth's atmosphere from space. She specializes primarily in the analysis of meteor spectra, which allows for determining the chemical composition and origin of bodies in the Solar System. The goal of her project is to contribute to the improvement of meteor spectroscopy methods for determining the composition of meteoroids using simulated meteors, which she and her colleagues from UK obtained in the laboratory by testing real meteorite samples. In her free time, she enjoys spending time in nature, playing the piano, and relaxing by making decorations. Besides exploring the world's beauty on foot, her passion is also wandering the countryside on a motorbike.
Her research interests lie on the pulsational behaviour that some stars show. The main topic of her research is to link the oscillations of variable stars with their internal structure and their evolutionary status. This field, named asteroseismology, allows her to study a wide variety of astrophysical topics: the changes in the internal structure that stars experience during their evolution, the effect of stellar rotation during their evolution, the processes that trigger mass loss on massive stars, even the internal structure of exoplanets and more. She used to participate in outreach activities back in Argentina. Outside of work she is currently learning how to play the ukelele, studying Czech and trying to do yoga everyday. She likes to paint with watercolours, she loves reading about philosophy, psychology, history and politics and she finds board games as the best way to spend time with friends!
In her research she studies the behaviour of matter in the vicinity of black holes. She is interested in the chaotic behaviour of test particles in spacetimes, where a black hole is surrounded by another source of gravitational field - a disc or a ring. She also runs magnetohydrodynamic simulations that describe how the matter falls into a black hole. These simulations help to investigate the origin and behaviour of shock waves in a gas with low angular momentum. The motion and oscillations of these shock waves could partly explain quasiperiodic oscillations that are observed in the light curves of some X-ray binary stars. By using numerical simulations she also studies the passage of a star through an accretion flow around supermassive black holes in the center of galaxies. She has participated in activities such as 'S vědátory na pivo'. She has given several popular lectures -including at 'Science to go' and she has written articles for the Astropis magazine. She spends her free time with her two young children, so currently she has no time left for other activities. But before the birth of her children she used to draw, paint and sing in the choir Sebranka!
Alena Zemanová comes from Slovakia and works at the Astronomical Institute of the Academy of Sciences of the Czech Republic in Ondřejov. You can chat with her in Slovak, Czech or English.
Her research focuses on the study of solar flares. She studies how and why the flares/eruptions occur, or what processes in the flare produce rare types of radio bursts. She is also the head of the Solar Patrol Service. You can meet her every year at the Open Door Days of the Observatory, where she will be happy to introduce you to the solar activity and its influence on the space weather. She enjoys to spend her free time with her family, and she likes volleyball. Because of her dog, now she is 'sniffing around' cynology.
