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:13699 (of which 534 Junior members). Number of Active Individual and Junior Members in the IAU Directory: 11158.


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Name Location▼ NCA adherence
Alcolea, Javier Spain Spain
Armano, Michele Spain Spain
Alonso Sobrino, Roi Spain Spain
Alonso-Herrero, Almudena Spain Spain
Arregui, Inigo Spain Spain
Axelsson, Magnus Sweden Sweden
Ardeberg, Arne L. Sweden Sweden
Askar, Abbas (Junior Member) Sweden Sweden
Adamo, Angela Sweden Sweden
Agertz, Oscar Sweden Sweden
Amanullah, Rahman Sweden Sweden
Aalto, Susanne E. Sweden Sweden
Andersen, Torben E. Sweden Sweden
ALIBERT, Yann Switzerland Switzerland
Altwegg, Kathrin Switzerland Switzerland
Afram, Nadine Switzerland Switzerland
Audard, Marc Switzerland Switzerland
Alsina Ballester, Ernest (Junior Member) Switzerland Switzerland
Alassiry, Muhammed Hamdi Syrian Arab Republic Syrian Arab Republic
Asadi, Imad (Junior Member) Syrian Arab Republic Syrian Arab Republic
Awiphan, Supachai (Junior Member) Thailand Thailand
Asanok, Kitiyanee Thailand Thailand
Aungwerojwit, Amornrat Thailand Thailand
AK, Tansel Turkey Turkey
AFŞAR, Melike Turkey Turkey
Atac, Tamer Turkey Turkey
Aslan, Zeki Turkey Turkey
Akyuz, Aysun Turkey Turkey
Alis, Sinan Turkey Turkey
Alpar, Mehmet Ali Turkey Turkey
AK, Serap Turkey Turkey
Apunevych, Stepan Yevheniyovych Ukraine Ukraine
Andrievsky, Sergei M. Ukraine Ukraine
Andronov, Ivan L. Ukraine Ukraine
Antonyuk, Kirill Ukraine Russian Federation
Alexandrov, Alexander N. Ukraine Ukraine
Akhmetov, Volodymyr Sabirdjanovich Ukraine Ukraine
Asa'd, Randa S. United Arab Emirates United Arab Emirates
Al-Naimiy, Hamid M.K. United Arab Emirates United Arab Emirates
ANTOLIN, Patrick United Kingdom United Kingdom
Allan, Peter M. United Kingdom United Kingdom
Allison, James Richard United Kingdom United Kingdom
Aggarwal, Kanti M United Kingdom United Kingdom
Aragón-Salamanca, Alfonso United Kingdom United Kingdom
Ardavan, Houshang United Kingdom United Kingdom
Asher, David J. United Kingdom United Kingdom
Aarseth, Sverre J. United Kingdom United Kingdom
Avison, Adam Matthew United Kingdom United Kingdom
Argo, Megan United Kingdom United Kingdom
Aigrain, Suzanne United Kingdom United Kingdom
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