Agata Różańska (born 3 October 1968 in

Bydgoszcz Bydgoszcz is a city in northern Poland and the largest city in the historical region of Kuyavia. Straddling the confluence of the Vistula River and its bank (geography), left-bank tributary, the Brda (river), Brda, the strategic location of Byd ...

Poland Poland, officially the Republic of Poland, is a country in Central Europe. It extends from the Baltic Sea in the north to the Sudetes and Carpathian Mountains in the south, bordered by Lithuania and Russia to the northeast, Belarus and Ukrai ...

) is a Polish

astronomer An astronomer is a scientist in the field of astronomy who focuses on a specific question or field outside the scope of Earth. Astronomers observe astronomical objects, such as stars, planets, natural satellite, moons, comets and galaxy, galax ...

and astrophysicist. Research Professor at the field of

X-ray astronomy X-ray astronomy is an observational branch of astronomy which deals with the study of X-ray observation and detection from astronomical objects. X-radiation is absorbed by the Earth's atmosphere, so instruments to detect X-rays must be taken to ...

. She works on numerical computations of emission processes in astrophysical X-ray sources and their observations.

Career and research

Her areas of research include simulations of radiative transfer through the warm ionized media, through the hot atmospheres of

neutron star A neutron star is the gravitationally collapsed Stellar core, core of a massive supergiant star. It results from the supernova explosion of a stellar evolution#Massive star, massive star—combined with gravitational collapse—that compresses ...

s and atmospheres of

accretion disk An accretion disk is a structure (often a circumstellar disk) formed by diffuse material in orbital motion around a massive central body. The central body is most frequently a star. Friction, uneven irradiance, magnetohydrodynamic effects, and ...

s around

black hole A black hole is a massive, compact astronomical object so dense that its gravity prevents anything from escaping, even light. Albert Einstein's theory of general relativity predicts that a sufficiently compact mass will form a black hole. Th ...

s in

active galactic nuclei An active galactic nucleus (AGN) is a compact region at the center of a galaxy that emits a significant amount of energy across the electromagnetic spectrum, with characteristics indicating that this luminosity is not produced by the stars. Such e ...

and in X-ray binaries. She started the study of multi-phase regions around supermassive black holes in the centres of galaxies. She is a leader of Polish team of scientist and engineers working on the development of subsystems for the ATHENA ( Advanced Telescope for High Energy Astrophysics) - new generation space mission, with a launch foreseen in 2032. She is a member of

Polish Astronomical Society The Polish Astronomical Society (Polish: ''Polskie Towarzystwo Astronomiczne, PTA'') is science society in Poland, founded in 1923, with headquarters in Warsaw. Members of PTA are professional astronomers. Purpose of the association is promoting ...

International Astronomical Union The International Astronomical Union (IAU; , UAI) is an international non-governmental organization (INGO) with the objective of advancing astronomy in all aspects, including promoting astronomical research, outreach, education, and developmen ...

and

European Astronomical Society The European Astronomical Society (EAS) is a learned society, founded under the Swiss Civil Code in 1990, as an association to contribute and promote the advancement of astronomy in Europe, and to deal with astronomical matters at a European lev ...

. Since 2013, she is the Treasurer of the Polish Astronomical Society. In 2019 she was appointed a member of Space and Satellite Research Committee of the

Polish Academy of Sciences The Polish Academy of Sciences (, PAN) is a Polish state-sponsored institution of higher learning. Headquartered in Warsaw, it is responsible for spearheading the development of science across the country by a society of distinguished scholars a ...

for the 2019–2022 term. She was elected a Council member of the European Astronomical Society for the 2020–2024 term. She is an author of public outreach articles, lectures and popular science movies.

Education

Różańska graduated the 5th Secondary school in Bydgoszcz, Poland. Her master's degree in astronomy, she completed at the Faculty of Physics

University of Warsaw The University of Warsaw (, ) is a public university, public research university in Warsaw, Poland. Established on November 19, 1816, it is the largest institution of higher learning in the country, offering 37 different fields of study as well ...

. PhD in astrophysics titled: ''Coexistence of the cold and the hot plasma in the vicinity of the black hole'' she defended in the year 2000, under the supervision of prof. Bożena Czerny. She obtained the habilitation degree for the work titled: ''The effects of X-ray reprocessing in Active Galactic Nuclei'', in 2009. She received the title of professor in 2020. Currently, she works at Nicolaus Copernicus Astronomical Center

Warsaw Warsaw, officially the Capital City of Warsaw, is the capital and List of cities and towns in Poland, largest city of Poland. The metropolis stands on the Vistula, River Vistula in east-central Poland. Its population is officially estimated at ...

, Poland.

Notes

{{DEFAULTSORT:Rozanska, Agata 1968 births 20th-century Polish astronomers Polish astrophysicists University of Warsaw alumni Polish women scientists Living people 21st-century Polish astronomers People from Bydgoszcz

Career and research

Education

See also

Notes