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▼
SOMANAH, Radhakhrishna Mauritius AA-Country unknown
Simmons, John Francis L. Luxembourg AA-Country unknown
Seghouani, Nassim Algeria Algeria
Solivella, Gladys R. Argentina Argentina
Scóccola, Claudia G. Argentina Argentina
Suad, Laura Andrea Argentina Argentina
Supán, Jorge Leonardo (Junior Member) Argentina Argentina
Smith Castelli, Analia Viviana Argentina Argentina
Stasyszyn, Federico Andrés Argentina Argentina
Saffe, Carlos Argentina Argentina
Sesto, Leandro Alberto (Junior Member) Argentina Argentina
Sansom, Eleanor (Junior Member) Australia Australia
Shortridge, Keith Australia Australia
Seta, Amit (Junior Member) Australia Australia
Storey, John W.V. Australia Australia
Storey, Michelle C. Australia Australia
Shabala, Stanislav S. Australia Australia
Sackett, Penny Australia Australia
Spitler, Lee Australia Australia
Stello, Dennis Australia Australia
Stancliffe, Richard James Australia Australia
Smith, Rory J.E. Australia Australia
Sadler, Elaine M. Australia Australia
Said, Khaled (Junior Member) Australia Australia
Schinckel, Antony Edward Tuck Australia Australia
Sutherland, Ralph S. Australia Australia
Soria, Roberto China, Nanjing Australia
Sinha, Manodeep Australia Australia
Schmidt, Brian P. Australia Australia
Shelyag, Sergiy Australia Australia
Slagmolen, Bram J. J. Australia Australia
Shannon, Ryan M Australia Australia
Siellez, Karelle Australia Australia
Sobey, Charlotte A (Junior Member) Australia Australia
Seymour, Nicholas Australia Australia
Staveley-Smith, Lister Australia Australia
Smith, Craig H. Australia Australia
Sault, Robert J Australia Australia
Sood, Ravi Australia Australia
Sabha, Nadeen B. Austria Austria
Schober, Hans J. Austria Austria
Stift, Martin Johannes United Kingdom Austria
Schindler, Sabine Austria Austria
Sluse, Dominique Belgium Belgium
Sterken, Christiaan L. Belgium Belgium
Straatman, Caroline M. S. (Junior Member) Belgium Belgium
Smette, Alain Jacques Chile Belgium
Sundqvist, Jon O Belgium Belgium
Siess, Lionel Belgium Belgium
Sana, Hugues Belgium Belgium
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