Virpi Niemelä
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Virpi Sinikka Niemelä (26 December 1936 in
Helsinki Helsinki () is the Capital city, capital and most populous List of cities and towns in Finland, city in Finland. It is on the shore of the Gulf of Finland and is the seat of southern Finland's Uusimaa region. About people live in the municipali ...
– 18 December 2006 in
Argentina Argentina, officially the Argentine Republic, is a country in the southern half of South America. It covers an area of , making it the List of South American countries by area, second-largest country in South America after Brazil, the fourt ...
) was a leading Finnish Argentine astronomer. She was the second Argentine to be elected for Associate of the
Royal Astronomical Society The Royal Astronomical Society (RAS) is a learned society and charitable organisation, charity that encourages and promotes the study of astronomy, planetary science, solar-system science, geophysics and closely related branches of science. Its ...
. Born in Finland, she emigrated with her family to
Argentina Argentina, officially the Argentine Republic, is a country in the southern half of South America. It covers an area of , making it the List of South American countries by area, second-largest country in South America after Brazil, the fourt ...
in 1954 where she lived for the majority of her life. She became a citizen, married and had two sons.


Education

She started university at the National University of La Plata to study chemistry, but decided on astronomy through the then Astronomy and Geophysics School. She received her doctorate for research done under Jorge Sahade, with whom she collaborated throughout her career.


Career

Her work has had a strong influence in the areas of massive stars and close binaries, especially Wolf-Rayet stars. She pioneered work on Wolf-Rayet stars in the
Magellanic Clouds The Magellanic Clouds (''Magellanic system'' or ''Nubeculae Magellani'') are two irregular dwarf galaxies in the southern celestial hemisphere. Orbiting the Milky Way galaxy, these satellite galaxies are members of the Local Group. Because both ...
, massive stars in
stellar association A stellar association is a very loose star cluster, looser than both open clusters and globular clusters. Stellar associations will normally contain from 10 to 100 or more visible stars. An association is primarily identified by commonalities in i ...
s and interstellar bubbles around massive stars. This work was done to determine the stellar masses in binary systems and discovered and analyzed the spectroscopic orbits of many binary systems with WR components. This was achieved using data from CASLEO and analyzed the star winds and their interaction with the quasi-stellar medium.Cappa, Christina (2007)
Semblanza de una mujer estelar: Virpi Niemela
Argentine Association of Astronomy Journal, Vol. 50, p. 373-376. Retrieved 30 June 2022.
She also helped to develop astronomy in Argentina, inspiring many students. After receiving her PhD, she starting working at the
National University of La Plata The National University of La Plata (, UNLP) is a national public research university located in the city of La Plata, capital of Buenos Aires Province, Argentina. It has over 90,000 regular students, 10,000 teaching staff, 17 departments and 10 ...
and became a fellow of
CONICET The National Scientific and Technical Research Council (, CONICET) is an Argentine government agency which directs and co-ordinates most of the scientific and technical research done in universities and institutes. History The National Scient ...
. Despite being fired shortly after, she continued her research projects until she started working at th
Comisión de Investigaciones Cientifícas de la Provincia de Buenos Aires (CICBA)
where she worked until her death. She also worked for the Instituto de Astrofísica del Espacio (IAFE) in Buenos Aires as part its research staff.Bosch, Guillermo, Paula Benaglia, and Christina Cappa (2008)
Virpi Niemela Obituary.
Instituto de Astronomía, UNAM. Retrieved 19 October 2021
There, she supervised students for about a decade. She then took at appointment as professor at the Facultad de Ciencias Astronómicas y Geofísicas, where she earned her MSc and PhD. The university named her as Emeritus Professor in 2005 to acknowledge her work as researcher. From 1997 to 2001 she was also a member of the editorial committee for the Mexican Journal of Astronomy and Astrophysics.


Legacy and organisational affiliations

She also played an important role in women's rights within the scientific research community, pushing to include maternity leave for postgraduate students with research council grants and pointing out cases where gender segregation was influencing job offers. She became the vice president of the Argentinian Astronomy Association from 1993 until 1996. In 1998, was awarded the Carlos Varsavsky prize for her contribution to Argentine astronomy by the National Academy of Exact, Physical, and Natural Sciences of Buenos Aires. Two years later, they appointed her as a member, as the second female member in the history of the academy. In 2003, she was also the first female awarded the Platinum Prize in Astronomy by the Fundación Konex Argentina. To mark her seventieth birthday, an international workshop on massive stars was held in Carilo on 11–14 December 2006. During the workshop, it was announced that asteroid 5289 would be named Niemela in her honor and that she was elected as and Associate of the Royal Astronomical Society. However, she died just before her birthday, of breast cancer.


References

* Obituary, ''Astronomy and Geophysics'', June 2007, 48(3) page 3.37 {{DEFAULTSORT:Niemela, Virpi 1936 births 2006 deaths 20th-century Argentine astronomers Women astronomers Finnish emigrants to Argentina Naturalized citizens of Argentina Deaths from breast cancer in Argentina