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International Astronomical Union
Union astronomique internationale (UAI)
National members from 82 countries
|Formation||28 July 1919 (1919-07-28)|
|82 national members
13,701 individual members
|Ewine van Dishoeck|
|Maria Teresa Lago|
The International Astronomical Union (IAU; French: Union astronomique internationale, UAI) is an international association of professional astronomers, at the PhD level and beyond, active in professional research and education in astronomy. Among other activities, it acts as the internationally recognized authority for assigning designations and names to celestial bodies (stars, planets, asteroids, etc.) and any surface features on them.
The IAU is a member of the International Science Council (ISC). Its main objective is to promote and safeguard the science of astronomy in all its aspects through international cooperation. The IAU maintains friendly relations with organizations that include amateur astronomers in their membership. The IAU has its head office on the second floor of the Institut d'Astrophysique de Paris in the 14th arrondissement of Paris.
This organisation has many working groups. For example, the Working Group for Planetary System Nomenclature (WGPSN), which maintains the astronomical naming conventions and planetary nomenclature for planetary bodies, and the Working Group on Star Names (WGSN), which catalogs and standardizes proper names for stars. The IAU is also responsible for the system of astronomical telegrams which are produced and distributed on its behalf by the Central Bureau for Astronomical Telegrams. The Minor Planet Center also operates under the IAU, and is a "clearinghouse" for all non-planetary or non-moon bodies in the Solar System. The Working Group for Meteor Shower Nomenclature and the Meteor Data Center coordinate the nomenclature of meteor showers.
The IAU was founded on 28 July 1919, at the Constitutive Assembly of the International Research Council (now the International Science Council) held in Brussels, Belgium. Two subsidiaries of the IAU were also created at this assembly: the International Time Commission seated at the International Time Bureau in Paris, France, and the International Central Bureau of Astronomical Telegrams initially seated in Copenhagen, Denmark. The 7 initial member states were Belgium, Canada, France, Great Britain, Greece, Japan, and the United States, soon to be followed by Italy and Mexico. The first executive committee consisted of Benjamin Baillaud (President, France), Alfred Fowler (General Secretary, UK), and four vice presidents: William Campbell (USA), Frank Dyson (UK), Georges Lecointe (Belgium), and Annibale Riccò (Italy). Thirty-two Commissions (referred to initially as Standing Committees) were appointed at the Brussels meeting and focused on topics ranging from relativity to minor planets. The reports of these 32 Commissions formed the main substance of the first General Assembly, which took place in Rome, Italy, 2–10 May 1922. By the end of the first General Assembly, ten additional nations (Australia, Brazil, Czecho-Slovakia, Denmark, the Netherlands, Norway, Poland, Romania, South Africa, and Spain) had joined the Union, bringing the total membership to 19 countries. Although the Union was officially formed eight months after the end of World War I, international collaboration in astronomy had been strong in the pre-war era (e.g., the Astronomische Gesellschaft Katalog projects since 1868, the Astrographic Catalogue since 1887, and the International Union for Solar research since 1904).
The first 50 years of the Union's history are well documented. Subsequent history is recorded in the form of reminiscences of past IAU Presidents and General Secretaries. Twelve of the fourteen past General Secretaries in the period 1964-2006 contributed their recollections of the Union's history in IAU Information Bulletin No. 100. Six past IAU Presidents in the period 1976–2003 also contributed their recollections in IAU Information Bulletin No. 104.
As of 1 August 2019, the IAU includes a total of 13,701 individual members, who are professional astronomers from 102 countries worldwide. 81.7% of all individual members are male, while 18.3% are female, among them the union's former president, Mexican astronomer Silvia Torres-Peimbert.
Membership also includes 82 national members, professional astronomical communities representing their country's affiliation with the IAU. National members include the Australian Academy of Science, the Chinese Astronomical Society, the French Academy of Sciences, the Indian National Science Academy, the National Academies (United States), the National Research Foundation of South Africa, the National Scientific and Technical Research Council (Argentina), KACST (Saudi Arabia), the Council of German Observatories, the Royal Astronomical Society (United Kingdom), the Royal Astronomical Society of New Zealand, the Royal Swedish Academy of Sciences, the Russian Academy of Sciences, and the Science Council of Japan, among many others.
The sovereign body of the IAU is its General Assembly, which comprises all members. The Assembly determines IAU policy, approves the Statutes and By-Laws of the Union (and amendments proposed thereto) and elects various committees.
The right to vote on matters brought before the Assembly varies according to the type of business under discussion. The Statutes consider such business to be divided into two categories:
- issues of a "primarily scientific nature" (as determined by the Executive Committee), upon which voting is restricted to individual members, and
- all other matters (such as Statute revision and procedural questions), upon which voting is restricted to the representatives of national members.
On budget matters (which fall into the second category), votes are weighted according to the relative subscription levels of the national members. A second category vote requires a turnout of at least two-thirds of national members in order to be valid. An absolute majority is sufficient for approval in any vote, except for Statute revision which requires a two-thirds majority. An equality of votes is resolved by the vote of the President of the Union.
List of national members
- Madagascar (Observer)
- Morocco (Observer)
- Mozambique (Observer)
- South Africa
- China, Nanjing
- China, Taipei
- Georgia (Suspended)
- Iran (Suspended)
- Korea, Democratic People's Republic of (Interim)
- Korea, Republic of
- Lebanon (Interim)
- Mongolia (Interim)
- Saudi Arabia (Suspended)
- Syria (Observer)
- United Arab Emirates
- Vietnam (Interim)
- Czech Republic
- Russian Federation
- United Kingdom
- Vatican City State
Terminated national members
Since 1922, the IAU General Assembly meets every three years, with the exception of the period between 1938 and 1948, due to World War II. After a Polish request in 1967, and by a controversial decision of the then President of the IAU, an Extraordinary IAU General Assembly was held in September 1973 in Warsaw, Poland, to commemorate the 500th anniversary of the birth of Nicolaus Copernicus, soon after the regular 1973 GA had been held in Sydney, Australia.
|Ist IAU General Assembly (1st)||1922||Rome, Italy|
|IInd IAU General Assembly (2nd)||1925||Cambridge, England, United Kingdom|
|IIIrd IAU General Assembly (3rd)||1928||Leiden, Netherlands|
|IVth IAU General Assembly (4th)||1932||Cambridge, Massachusetts, United States|
|Vth IAU General Assembly (5th)||1935||Paris, France|
|VIth IAU General Assembly (6th)||1938||Stockholm, Sweden|
|VIIth IAU General Assembly (7th)||1948||Zürich, Switzerland|
|VIIIth IAU General Assembly (8th)||1952||Rome, Italy|
|IXth IAU General Assembly (9th)||1955||Dublin, Ireland|
|Xth IAU General Assembly (10th)||1958||Moscow, Soviet Union|
|XIth IAU General Assembly (11th)||1961||Berkeley, California, United States|
|XIIth IAU General Assembly (12th)||1964||Hamburg, West Germany|
|XIIIth IAU General Assembly (13th)||1967||Prague, Czechoslovakia|
|XIVth IAU General Assembly (14th)||1970||Brighton, England, United Kingdom|
|XVth IAU General Assembly (15th)||1973||Sydney, New South Wales, Australia|
|XVIth IAU General Assembly (16th)||1976||Grenoble, France|
|XVIIth IAU General Assembly (17th)||1979||Montreal, Quebec, Canada|
|XVIIIth IAU General Assembly (18th)||1982||Patras, Greece|
|XIXth IAU General Assembly (19th)||1985||New Delhi, India|
|XXth IAU General Assembly (20th)||1988||Baltimore, Maryland, United States|
|XXIst IAU General Assembly (21st)||1991||Buenos Aires, Argentina|
|XXIInd IAU General Assembly (22nd)||1994||The Hague, Netherlands|
|XXIIIrd IAU General Assembly (23rd)||1997||Kyoto, Kansai, Japan|
|XXIVth IAU General Assembly (24th)||2000||Manchester, England, United Kingdom|
|XXVth IAU General Assembly (25th)||2003||Sydney, New South Wales, Australia|
|XXVIth IAU General Assembly (26th)||2006||Prague, Czech Republic|
|XXVIIth IAU General Assembly (27th)||2009||Rio de Janeiro, Brazil|
|XXVIIIth IAU General Assembly (28th)||2012||Beijing, China|
|XXIXth IAU General Assembly (29th)||2015||Honolulu, Hawaii, United States|
|XXXth IAU General Assembly (30th)||2018||Vienna, Austria|
|XXXIst IAU General Assembly (31st)||2021||Busan, South Korea|
List of the Presidents of the IAU
Commission 46: Education in astronomy
Commission 46 is a Committee of the Executive Committee of the IAU, playing a special role in the discussion of astronomy development with governments and scientific academies. The IAU is affiliated with the International Council of Scientific Unions (ICSU), a non-governmental organization representing a global membership that includes both national scientific bodies and international scientific unions. They often encourage countries to become members of the IAU. The Commission further seeks to development, information or improvement of astronomical education. Part of Commission 46, is Teaching Astronomy for Development (TAD) program in countries where there is currently very little astronomical education. Another program is named the Galileo Teacher Training Program (GTTP), being a project of the International Year of Astronomy 2009, among which Hands-On Universe that will concentrate more resources on education activities for children and schools designed to advance sustainable global development. GTTP is also concerned with the effective use and transfer of astronomy education tools and resources into classroom science curricula. A strategic plan for the period 2010-2020 has been published.
In 2007, the Communicating Astronomy with the Public Journal Working Group prepared a study assessing the feasibility of the Communicating Astronomy with the Public Journal (CAP Journal).
- Astronomical acronyms
- Astronomical naming conventions
- List of proper names of stars
- Planetary nomenclature
- National Members
- Geographical and Gender Distribution of Individual Members
- "About the IAU". International Astronomical Union. Retrieved 11 October 2016.
- Overbye, Dennis (4 August 2014). "You Won't Meet the Beatles in Space - Plan to Liven Official Naming of Stars and Planets Hits Clunky Notes". The New York Times. Retrieved 11 October 2016.
- "IAU Secretariat." International Astronomical Union. Retrieved on 26 May 2011. "Address: IAU - UAI Secretariat 98-bis Blvd Arago F–75014 PARIS FRANCE" and "The IAU Secretariat is located in the Institut d'Astrophysique de Paris, 2nd floor, offices n°270, 271 and 283."
- "Centres – Minor Planet Center". International Astronomical Union. Retrieved 20 April 2016.
- Blaauw, Adriaan (1994). History of the IAU : the birth and first half-century of the International Astronomical Union. Dordrecht: Kluwer Academic Publishers. ISBN 0-7923-2979-1.
- Adams, Walter S. (February 1949). "The History of the International Astronomical Union" (PDF). Publications of the Astronomical Society of the Pacific. 61 (358): 5. Bibcode:1949PASP...61....5A. doi:10.1086/126108. Retrieved 20 April 2016.
- IAU Information Bulletin No. 100, July 2007
- IAU Information Bulletin No. 104, June 2009
- Geographical and Gender Distribution of Individual Members
- National Members
- Extaordinary General Assembly
- "Past Executive Committee". International Astronomical Union. Retrieved 18 September 2018.
- Колчинский И. Г., Корсунь А. А., Родригес М. Г. (1977). Астрономы. Биографический справочник (in Russian). Киев: Наукова Думка.CS1 maint: Multiple names: authors list (link)
- Astronomy for the Developing World, Building from the IYA 2009, Strategic Plan 2010-20
- "CAPjournal Rosetta Special Out Now". Retrieved 28 March 2016.
- "Proceedings of the International Astronomical Union". Cambridge Journals Online. Cambridge University Press. Retrieved 1 September 2015.
- Statutes of the IAU, VII General Assembly (1948), pp. 13–15
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