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▼
Apostolovska, Gordana Macedonia, Former Rep of Yugoslavia AA-Country unknown
Abdelatif, Toufik E Algeria Algeria
Althaus, Leandro Gabriel Argentina Argentina
Abrevaya, Ximena Argentina Argentina
Alonso, Maria Sol Argentina Argentina
Andruchow, Ileana Argentina Argentina
Arnal, Edmundo Marcelo Argentina Argentina
Ahumada, Javier Alejandro Argentina Argentina
Alonso, Maria V. Argentina Argentina
Agüero, María Paz Argentina Argentina
Abadi, Mario Gabriel Argentina Argentina
Argüelles, Carlos R. Argentina Argentina
Aidelman, Yael Judith Argentina Argentina
Ahumada, Andrea Verónica Argentina Argentina
Arias, Maria Laura Argentina Argentina
Andreasyan, Ruben Rafik Armenia Armenia
Ansarinejad, Behzad (Junior Member) Australia Australia
Ashley, Michael Australia Australia
Allingham, David Australia Australia
Asplund, Martin Australia Australia
Alves, João United States Austria
Asvarov, Abdul I. Azerbaijan, Republic of Azerbaijan, Republic of
Andries, Jesse Belgium Belgium
Arnould, Marcel L. Belgium Belgium
Absil, Olivier Belgium Belgium
Arpigny, Claude Belgium Belgium
Alvarez, Rodrigo Belgium Belgium
Acke, Bram Belgium Belgium
Aerts, Conny Belgium Belgium
AKRAS, STAVROS Greece Brazil
Araujo, Rosana A. N. Brazil Brazil
Abraham, Zulema Brazil Brazil
Amôres, Eduardo Brescansin de Brazil Brazil
Andrei, Alexandre Humberto Brazil Brazil
Assafin, Marcelo Brazil Brazil
Aguiar, Odylio Denys Brazil Brazil
Aleman, Isabel R. G. Brazil Brazil
Alves, Virgínia Mello Brazil Brazil
Alcaniz, Jailson Brazil Brazil
Alencar, Silvia H.P. Brazil Brazil
Alvarez Candal, Alvaro Augusto Brazil Brazil
Abreu, Everton M. Carvalho Brazil Brazil
Alves Brito, Alan Brazil Brazil
Antov, Alexandar Parvanov Bulgaria Bulgaria
Antonova, Antoaneta Emilova Bulgaria Bulgaria
Afshordi, Niayesh Canada Canada
Artigau, Etienne Canada Canada
Abraham, Roberto G. Canada Canada
Allart, Romain (Junior Member) Canada Canada
Aikman, G. Chris L. Canada Canada
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