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: 12754 (of which 1224 are Junior members). Number of Active Individual and Junior Members in the IAU Directory: 12383.


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Name Location▼ NCA adherence
Renaud, Matthieu France France
Royer, Frédéric France France
Rambaux, Nicolas France France
Renaud, Florent France France
Robert, Vincent France France
Recio-Blanco, Alejandra France France
Rieutord, Michel France France
Renner, Stéfan France France
Richard, Olivier A. France France
Richard, Johan France France
Riazuelo, Alain France France
Roueff, Evelyne M.A. France France
Rodriguez, Sébastien France France
Robin, Annie C. France France
Rabbia, Yves France France
Roques, Françoise France France
Rouan, Daniel France France
Rogister, Yves J G France France
Roudier, Thierry France France
Reylé, Céline France France
Renard, Jean-Baptiste France France
Rozelot, Jean-Pierre France France
Rousselot, Philippe France France
Rocca-Volmerange, Brigitte France France
Roepke, Friedrich K. Germany Germany
Reiners, Ansgar Germany Germany
Rupprecht, Gero Germany Germany
Roemer, Max Germany Germany
Ramsay, Suzanne Katherine Germany Germany
Rafferty, David Germany Germany
Ramírez Tannus, María Claudia (Junior Member) Germany Germany
Romaniello, Martino Germany Germany
Roeser, Siegfried Germany Germany
Romano-Diaz, Emilio Germany Germany
Rab, Christian (Junior Member) Germany Netherlands
Ruediger, Guenther Germany Germany
Rauer, Heike Germany Germany
Ramos Ceja, Miriam Elizabeth Germany Germany
Richter, Philipp Germany Germany
Rauch, Thomas Germany Germany
Ritter, Hans Germany Germany
Ratzka, Thorsten Germany Germany
Rendtel, Juergen Germany Germany
Rappenglück, Michael A. Germany Germany
Rantala, Antti Germany Germany
Ramachandran, Varsha (Junior Member) Germany Germany
Reinsch, Klaus Germany Germany
Reiprich, Thomas H. Germany Germany
Rottmann, Helge Germany Germany
Ripken, Hartmut W. Germany Germany
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