Individual and Junior Members

Professional scientists whose research is directly relevant to some branch of astronomy are eligible to apply as Individual Members. Individual Members are, normally, admitted by the Executive Committee on the proposal of a National Member.

Junior scientists who have completed their PhD studies between 2014 and 2019 and who are in the initial phase of the career of a professional researcher in some branch of astronomy or a related field may be admitted to the Union by the Executive Committee as Junior Members, for a period not exceeding 6 years.

Individual Members listed in the IAU Directory have a valid, public email, and are affiliated to at least one Division. They are labeled as "Active Members". For corrections and updates, please contact Any members remaining Inactive for more than 10 years will be removed from the IAU lists.

Additionally, while only Active Members are listed in the IAU Directory, you may still search for Active, Inactive or Deceased Members in the search field to your right.

Total number of IAU members:13661 (of which 534 Junior members). Number of Active Individual and Junior Members in the IAU Directory: 11123.


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Name▼ Location NCA adherence
Akhmetov, Volodymyr Sabirdjanovich Ukraine Ukraine
Akim, Efraim, Deceased (1929-2010) Russian Federation
Akimkin, Vitaly Russian Federation Russian Federation
Akimov, Leonid, Deceased (1937-) Ukraine
AKITA , Kyo L. Japan Japan
Akitaya, Hiroshi Japan Japan
AKIYAMA, Eiji Japan Japan
AKIYAMA, Masayuki Japan Japan
AKRAS, STAVROS Brazil Brazil
Aksenov, Eugeny, Deceased (1933-1995) Russian Federation
Aksnes, Kaare Norway Norway
Akujor, Chidi Emmanuel Nigeria Nigeria
Akyol, Mustafa Unal (Inactive) Turkey Turkey
Akyuz, Aysun Turkey Turkey
Aladro Fernandez, Rebeca Germany Germany
Alard, Christophe L. France France
Alassiry, Muhammed Hamdi Syrian Arab Republic Syrian Arab Republic
Alatalo, Katherine A United States United States
Albanese, Lara Italy Italy
Alberdi, Antonio Spain Spain
Albers, Henry, Deceased (-2009) United States
Albert, Justin E Canada Canada
Albert, Loïc Canada Canada
Albinson, James United Kingdom United Kingdom
Albrecht, Rudolf (Inactive) Germany Germany
Albrow, Michael New Zealand New Zealand
Alcaino, Gonzalo (Inactive) Chile Chile
Alcala, Juan Manuel Italy Italy
Alcaniz, Jailson Brazil Brazil
Alcobe, Santiago (Inactive) Spain Spain
Alcock, Charles R United States United States
Alcolea, Javier Spain Spain
Aldaya, Victor Spain Spain
Alden, H. L. (Inactive) United States United States
Aldrovandi, Ruben (Inactive) Brazil Brazil
Alecian, Evelyne France France
Alecian, Georges France France
AL-EDHARI, Ali Abdul Sattar Jaber (Junior Member) Iraq France
Alekseev, Ilya Yurievich Russian Federation Russian Federation
Aleman, Isabel R. G. Netherlands Brazil
Alencar, Silvia H.P. Brazil Brazil
Alessi, Elisa Maria Italy Italy
Alexander, David R. (Inactive) United States United States
Alexander, Jordan (Junior Member) New Zealand New Zealand
Alexander, Joseph Kunkle United States United States
Alexander, Murray E. (Inactive) Canada Canada
Alexander, Paul United Kingdom United Kingdom
Alexander, Tal, Deceased (1963-2018) Israel
Alexandrov, Alexander N. Ukraine Ukraine
Alexandrov, Yuri, Deceased (1934-2016) Ukraine
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