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The Institut d'Astrophysique de Paris (translated: Paris Institute of
Astrophysics Astrophysics is a science that employs the methods and principles of physics and chemistry in the study of astronomical objects and phenomena. As one of the founders of the discipline, James Keeler, said, astrophysics "seeks to ascertain the ...
) is a research institute in
Paris Paris () is the Capital city, capital and List of communes in France with over 20,000 inhabitants, largest city of France. With an estimated population of 2,048,472 residents in January 2025 in an area of more than , Paris is the List of ci ...
,
France France, officially the French Republic, is a country located primarily in Western Europe. Overseas France, Its overseas regions and territories include French Guiana in South America, Saint Pierre and Miquelon in the Atlantic Ocean#North Atlan ...
. The Institute is part of the
Sorbonne University Sorbonne University () is a public research university located in Paris, France. The institution's legacy reaches back to the Middle Ages in 1257 when Sorbonne College was established by Robert de Sorbon as a constituent college of the Unive ...
and is associated with the CNRS
Centre national de la recherche scientifique The French National Centre for Scientific Research (, , CNRS) is the French state research organisation and is the largest fundamental science agency in Europe. In 2016, it employed 31,637 staff, including 11,137 tenured researchers, 13,415 eng ...
. It is located at 98bis, Boulevard Arago Il in the 14th
arrondissement An arrondissement (, , ) is any of various administrative divisions of France, Belgium, Haiti, and certain other Francophone countries, as well as the Netherlands. Europe France The 101 French departments are divided into 342 ''arrondissem ...
of Paris, adjacent to the
Paris Observatory The Paris Observatory (, ), a research institution of the Paris Sciences et Lettres University, is the foremost astronomical observatory of France, and one of the largest astronomical centres in the world. Its historic building is on the Left Ban ...
.


History

The IAP was created in 1936 by the French ministry of education under Jean Zay, initially for the purpose of processing data received from the Observatory of Haute-Provence, which was created at the same time. Construction of the building started on 6 January 1938. On 15 June 1939, Henri Mineur became the institute's first director.Henri Mineur
/ref> IAP scientists were at first located in Paris Observatory, then in the École normale supérieure de Paris before arriving in the current building in 1944 which was finally completed in 1952.


Current research

The IAP includes 160 researchers, engineers, technicians, and administrators and regularly welcomes many visitors and students. The main areas of research at the IAP are: *
General relativity General relativity, also known as the general theory of relativity, and as Einstein's theory of gravity, is the differential geometry, geometric theory of gravitation published by Albert Einstein in 1915 and is the current description of grav ...
and
cosmology Cosmology () is a branch of physics and metaphysics dealing with the nature of the universe, the cosmos. The term ''cosmology'' was first used in English in 1656 in Thomas Blount's ''Glossographia'', with the meaning of "a speaking of the wo ...
* Cosmological structure formation * High-energy astrophysics * Origin and evolution of
galaxies A galaxy is a system of stars, stellar remnants, interstellar gas, dust, and dark matter bound together by gravity. The word is derived from the Greek ' (), literally 'milky', a reference to the Milky Way galaxy that contains the Solar Sys ...
*
Stellar structure Stellar structure models describe the internal structure of a star in detail and make predictions about the luminosity, the color and the future evolution of the star. Different classes and ages of stars have different internal structures, refle ...
*
Exoplanets An exoplanet or extrasolar planet is a planet outside the Solar System. The first confirmed detection of an exoplanet was in 1992 around a pulsar, and the first detection around a main-sequence star was in 1995. A different planet, first detec ...
The IAP is one of five laboratories of AERA, the European association for research in astronomy. The laboratory is situated at the interface between two disciplines, astrophysics and theoretical physics. The
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 ...
has its seat at the IAP.


Directors

* 1936-1954 : Henri Mineur * 1954-1960 : André Danjon * 1960-1971 : André Lallemand * 1972-1977 : Jean-Claude Pecker * 1978-1989 : Jean Audouze * 1990-1998 : Alain Omont * 1998-2004 : Bernard Fort * 2005-2013 : Laurent Vigroux * Since 2014 : Francis Bernardeau


References


External links


Official website
Scientific organizations established in 1936 1936 establishments in France Astronomy institutes and departments Research institutes in France Astrophysics research institutes French National Centre for Scientific Research Sorbonne University French UMR {{astronomy-org-stub