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 10 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: 14106 (of which 719 Junior members). Number of Active Individual and Junior Members in the IAU Directory: 11606.


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Name Location▼ NCA adherence
Sapar, Lili Estonia Estonia
Sapar, Arved Estonia Estonia
Schmidt, Juergen Finland Finland
Sillanpaa, Aimo Kalevi Finland Finland
Salo, Heikki Finland Finland
Savolainen, Tuomas Kalevi Finland Finland
Szopa, Cyril France France
Salomé, Philippe France France
Soucail, Geneviève France France
Stellmacher, Irène France France
Simon, Jean-Louis France France
Singh, Garima (Junior Member) France France
Souchay, Jean France France
Sivan, Jean-Pierre France France
Silk, Joseph I. France France
Signore, Monique France France
Strugarek, Antoine France France
Spite, François M. France France
SCRIBANO, yohann France France
Schultheis, Mathias France France
Sauty, Christophe France France
Sorce, Jenny G. (Junior Member) France France
Stehle, Chantal France France
Stellmacher, Götz France France
Slezak, Eric France France
Schneider, Jean France France
Suarez, Olga France France
Sol, Helene France France
Sicardy, Bruno France France
Spallicci di Filottrano, Alessandro D.A.M. France France
Schüssler, Fabian France France
Starck, Jean-Luc France France
Soubiran, Caroline France France
SHIMAJIRI, Yoshito France Japan
Sygnet, Jean-Francois France France
Sahal-Bréchot, Sylvie France France
Spite, Monique France France
Semelin, Benoit France France
Samain, Denys Louis France France
Schmieder, Brigitte France France
Siebert, Arnaud Nicolas France France
Stasinska, Grazyna France France
Sanchez, Norma G. France France
Stee, Philippe France France
Shvelidze, Teimuraz Georgia Georgia
Simonia, Irakli Georgia Georgia
Strong, Andrew W. Germany Germany
Strassmeier, Klaus G. Germany Germany
Stoehr, Felix Germany Germany
Schmidt, Robert W. Germany Germany
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