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: 12776 (of which 1224 are Junior members). Number of Active Individual and Junior Members in the IAU Directory: 12403.


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Name Location NCA adherence▼
Cannon, Russell David Australia Australia
Caldu Primo, Anahi Austria Austria
Chatzichristou, Eleni Thomai Belgium Belgium
Clesse, Sébastien Belgium Belgium
Christiaens, Valentin (Junior Member) Belgium Belgium
Chamel, Nicolas Belgium Belgium
Claeskens, Jean-François Belgium Belgium
Callebaut, Dirk K. Belgium Belgium
Clette, Frederic Belgium Belgium
Campos, Fabiola United States Brazil
Corradi, Wagner J.B. Brazil Brazil
Cavichia, Oscar Brazil Brazil
Cherman, Alexandre Brazil Brazil
Cypriano, Eduardo Serra Brazil Brazil
Capelato, Hugo Vicente Brazil Brazil
Cerqueira, Adriano Hoth Brazil Brazil
Cypriano, Elysandra Figueredo Brazil Brazil
Carvano, Jorge M.F. Brazil Brazil
Charbonnier, Aldée Brazil Brazil
Costa, Joaquim Eduardo Rezende Brazil Brazil
Chian, Abraham Chian-Long Brazil Brazil
Callegari Jr., Nelson Brazil Brazil
Canto Martins, Bruno Leonardo Brazil Brazil
Caproni, Anderson Brazil Brazil
Carciofi, Alex C. Brazil Brazil
Carruba, Valerio Brazil Brazil
Chan, Roberto Brazil Brazil
Cid Fernandes , Roberto Jr. Brazil Brazil
Correia, Emilia Brazil Brazil
Cunha, Katia Brazil Brazil
Chies Santos, Ana L. Brazil Brazil
Chapanov, Yavor Bulgaria Bulgaria
Carlberg, Raymond Canada Canada
Clement, Christine Canada Canada
Cridland, Alexander J (Junior Member) Netherlands Canada
Côté, Stéphanie Canada Canada
Connors, Martin G. Canada Canada
Chastenay, Pierre Canada Canada
Charbonneau, Paul Canada Canada
Cowan, Nicolas B. Canada Canada
Clarke, David A. Canada Canada
Clark, Thomas Alan Canada Canada
Campbell-Brown, Margaret D. Canada Canada
Couchman, Hugh M.P. Canada Canada
Côte, Patrick Canada Canada
Crabtree, Dennis Canada Canada
Cannon, Wayne H. Canada Canada
Chown, Ryan (Junior Member) Canada Canada
Cannon, Kipp Canada Canada
Courteau, Stéphane J. Canada Canada
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