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.

Total number of IAU Individual and Junior members: 12167 (of which 892 are Junior members). Number of Active Individual and Junior Members in the IAU Directory: 11892.


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Name▼ Location NCA adherence
Deeg, Hans J Spain Spain
de Felice, Fernando Italy Italy
Defraigne, Pascale Belgium Belgium
Defrère, Denis Belgium Belgium
de Gasperin, Francesco Germany Germany
Degenaar, Nathalie D Netherlands Netherlands
Degenhardt, Detlev Germany Germany
de Gouveia Dal Pino, Elisabete M. Brazil Brazil
de Graauw, Mattheus Chile Chile
de Gregorio-Monsalvo, Itziar Chile Chile
de Greve, Jean-Pierre Belgium Belgium
de Grijs, Richard Australia Australia
De Groof, Anik Spain Spain
Dehant, Véronique Belgium Belgium
Deiss, Bruno M. Germany Germany
de Jager, Gerhard South Africa South Africa
Dejaiffe, Rene J. Belgium Belgium
de Jong, Roelof S. Germany Germany
de Jong, Teije Netherlands Netherlands
Dejonghe, Herwig B. Belgium Belgium
de Jorge Henriques, Vasco Manuel (Junior Member) Norway Norway
Dekel, Avishai Israel Israel
de Kertanguy, Amaury France France
De Keyser, Johan Belgium Belgium
de Koter, Alex Netherlands Netherlands
Delabrouille, Jacques H. France France
de la Cruz Rodríguez, Jaime Sweden Sweden
de la Fuente, Diego (Junior Member) Spain Spain
de la Fuente Acosta, Eduardo Mexico Mexico
de Lange, Gert Netherlands Netherlands
de La Noë, Jerome France France
de Lapparent, Valérie France France
de Laverny, Patrick France France
Delbo, Marco Italy Italy
Deleflie, Florent France France
DELEUIL, Magali A.-M. France France
Delgado, Antonio J. Spain Spain
Delgado-Correal, Camilo (Junior Member) Colombia Colombia
Delgado Inglada, Gloria I. Mexico Mexico
Delgado Mena, Elisa Portugal Portugal
Delhaize, Jacinta Claire Croatia, the Republic of Croatia, the Republic of
de Lima, José Ademir Sales Brazil Brazil
Deliyannis, Constantine P. United States United States
Deliyannis, John Greece Greece
Della Ceca, Roberto Italy Italy
Dell'Antonio, Ian P. United States United States
Della Valle, Massimo Italy Italy
Deller, Adam Travis Australia Australia
Delmas, Christian France France
Del Olmo, Ascension Spain Spain
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