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 2015 and 2020 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 and Junior 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 3 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.

For gender statistics click here.

Total number of IAU Individual and Junior members: 12737 (of which 1224 are Junior members). Number of Active Individual and Junior Members in the IAU Directory: 12372.


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Name Location NCA adherence▼
Akhlaghi, Mohammad (Junior Member) Spain Spain
Alberdi, Antonio Spain Spain
Alonso-Herrero, Almudena Spain Spain
Ascenzi, Stefano (Junior Member) Spain Spain
Alcolea, Javier Spain Spain
Altieri, Bruno G.M. Spain Spain
Azulay Romero, Rebecca (Junior Member) Spain Spain
Aparicio, Antonio Spain Spain
Agudo, Ivan Spain Spain
Ascasibar, Yago Spain Spain
Agertz, Oscar Sweden Sweden
Aalto, Susanne E. Sweden Sweden
Amanullah, Rahman Sweden Sweden
Ardeberg, Arne L. Sweden Sweden
Andrews, Holly M (Junior Member) Sweden Sweden
Adamo, Angela Sweden Sweden
Andersen, Torben E. Sweden Sweden
Amarsi, Anish Mayur Sweden Sweden
Arnadottir, Anna S. Sweden Sweden
Alibert, Yann Switzerland Switzerland
Audard, Marc Switzerland Switzerland
Afram, Nadine Switzerland Switzerland
Altwegg, Kathrin Switzerland Switzerland
Alsina Ballester, Ernest (Junior Member) Spain 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
Aungwerojwit, Amornrat Thailand Thailand
Asanok, Kitiyanee Thailand Thailand
Akan, Mustafa Can Turkey Turkey
Alis, Sinan Turkey Turkey
Akyuz, Aysun Turkey Turkey
AK, Tansel Turkey Turkey
Alpar, Mehmet Ali Turkey Turkey
Aktekin Çalışkan, Ebru Turkey Turkey
Aksaker, Nazım Turkey Turkey
AK, Serap Turkey Turkey
Ateş, Alper K. Turkey Turkey
Aslan, Zeki Turkey Turkey
AFŞAR, Melike Turkey Turkey
Atac, Tamer Turkey Turkey
Alexandrov, Alexander N. Ukraine Ukraine
Andrievsky, Sergei M. Ukraine Ukraine
Apunevych, Stepan Yevheniyovych Ukraine Ukraine
Akhmetov, Volodymyr Sabirdjanovich Ukraine Ukraine
Andronov, Ivan L. Ukraine Ukraine
Al-Naimiy, Hamid M.K. United Arab Emirates United Arab Emirates
Asa'd, Randa S. United Arab Emirates United Arab Emirates
Aarseth, Sverre J. United Kingdom United Kingdom
Anugu, Narsireddy (Junior Member) United States United Kingdom
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