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
Schultz, David R. United States United States
Schulz, Norbert S. United States United States
Schulz, Rita M. Netherlands Germany
Schunker, Hannah Australia Germany
Schure, Klara M United Kingdom United Kingdom
Schüssler, Fabian France France
Schuster, William John Mexico Mexico
Schutz, Bernard F. United Kingdom Germany
Schwamb, Meg E. United Kingdom United Kingdom
Schwartz, Daniel A. United States United States
Schwartz, Pavol Czech Republic Czech Republic
Schwarz, Dominik J Germany Germany
Schwarzenberg-Czerny, Alex Poland Poland
Schweizer, François United States United States
Schwekendiek, Peter Germany Germany
Schwope, Axel Germany Germany
Sciortino, Salvatore Italy Italy
Scire, Carlotta Italy Italy
Scóccola, Claudia G. Argentina Argentina
Scodeggio, Marco Italy Italy
Scorza, Cecilia Germany Germany
Scott, Douglas Canada Canada
Scott, Nicholas Jon United States United States
Scott, Paul F. United Kingdom United Kingdom
Scott, William Canada Canada
Scoville, Nicholas Z. United States United States
Scowen, Paul A United States United States
Scribano, Yohann France France
Scuderi, Salvo Italy Italy
Scuflaire, Richard Belgium Belgium
Seaman, Rob United States United States
Seaquist, Ernest R. Canada Canada
Seaton, Daniel B. United States United States
Sebera, Josef Czech Republic Czech Republic
Secrest, Nathan United States United States
Sedmak, Giorgio Italy Italy
Seeds, Michael A. United States United States
Seethapuram Sridhar, Sarrvesh (Junior Member) Germany Germany
Sefako, Ramotholo R. South Africa South Africa
Šegan, Stevo D. Serbia, Republic of Serbia, Republic of
Seggewiss, Wilhelm Germany Germany
Seghouani, Nassim Algeria Algeria
Ségransan, Damien Switzerland Switzerland
Segura, Antigona Mexico Mexico
Seidel, Julia Victoria (Junior Member) Chile Germany
Seidelmann, P. Kenneth United States United States
Seielstad, George A. United States United States
Seifert, Walter Germany Germany
Seifina, Elena Russian Federation Russian Federation
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