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: 12425 (of which 1084 are Junior members). Number of Active Individual and Junior Members in the IAU Directory: 12090.


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Name Location▼ NCA adherence
Abdelatif, Toufik E Algeria Algeria
Alonso, Maria Sol Argentina Argentina
Aidelman, Yael Judith Argentina Argentina
Alonso, Maria V. Argentina Argentina
Ahumada, Andrea Verónica Argentina Argentina
Agüero, María Paz Argentina Argentina
Abadi, Mario Gabriel Argentina Argentina
Ahumada, Javier Alejandro Argentina Argentina
Andruchow, Ileana Argentina Argentina
Arias, Maria Laura Argentina Argentina
Althaus, Leandro Gabriel Argentina Argentina
Arnal, Edmundo Marcelo Argentina Argentina
Abrevaya, Ximena Argentina Argentina
Andreasyan, Ruben Rafik Armenia Armenia
Asplund, Martin Australia Australia
Ashley, Michael Australia Australia
Asvarov, Abdul I. Azerbaijan, Republic of Azerbaijan, Republic of
Absil, Olivier Belgium Belgium
Acke, Bram Belgium Belgium
Aerts, Conny Belgium Belgium
Arnould, Marcel L. Belgium Belgium
Andries, Jesse Belgium Belgium
Arpigny, Claude Belgium Belgium
Alvarez, Rodrigo Belgium Belgium
Alves Brito, Alan Brazil Brazil
Alvarez Candal, Alvaro Augusto Brazil Brazil
Andrei, Alexandre Humberto Brazil Brazil
Aguiar, Odylio Denys Brazil Brazil
Abreu, Everton M. Carvalho Brazil Brazil
Assafin, Marcelo Brazil Brazil
Abraham, Zulema Brazil Brazil
Amôres, Eduardo Brescansin de Brazil Brazil
Araujo, Rosana A. N. Brazil Brazil
Alencar, Silvia H.P. Brazil Brazil
Aleman, Isabel R. G. Brazil Brazil
Alves, Virgínia Mello Brazil Brazil
Alcaniz, Jailson Brazil Brazil
Antonova, Antoaneta Emilova Bulgaria Bulgaria
Antov, Alexandar Parvanov Bulgaria Bulgaria
Anderson, Jay Canada Canada
Artigau, Etienne Canada Canada
Allart, Romain (Junior Member) Canada Canada
Afshordi, Niayesh Canada Canada
Artymowicz, Pawel Canada Canada
Abraham, Roberto G. Canada Canada
Aikman, G. Chris L. Canada Canada
Albert, Justin E Canada Canada
Albert, Loïc Canada Canada
Alonso-García, Javier Chile Chile
Araya, Ignacio (Junior Member) Chile Chile
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