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
Storrie-Lombardi, Lisa United States United States
Storrs, Alexander D. United States United States
Stott, John Philip United Kingdom United Kingdom
Stoyanov, Kiril Atanasov Bulgaria Bulgaria
Straatman, Caroline M. S. (Junior Member) Belgium Belgium
Strachan, Leonard United States United States
Strafella, Francesco Italy Italy
Strassmeier, Klaus G. Germany Germany
Stratta, Giulia Italy Italy
Straumann, Norbert Switzerland Switzerland
Straus, Thomas Italy Italy
Strauss, Michael A. United States United States
Strazzulla, Giovanni Italy Italy
Street, Rachel Amanda United States United States
Strelnitski, Vladimir United States United States
Strigachev, Anton Atanasov Bulgaria Bulgaria
Stringfellow, Guy S. United States United States
Strittmatter, Peter A. United States United States
Stritzinger, Maximilian D. Denmark Denmark
Strobel, Andrzej Poland Poland
Strobel, Darrell F. United States United States
Strohmayer, Tod E. United States United States
Strolger, Louis-Gregory United States United States
Strom, Richard G. Netherlands Netherlands
Strom, Robert G. United States United States
Strong, Andrew W. Germany Germany
Strong, Keith T. United States United States
Strubbe, Linda Elisabeth United States Canada
Struble, Mitchell F. United States United States
Struck, Curtis J. United States United States
Strugarek, Antoine France France
Strukov, Igor A. Russian Federation Russian Federation
Struminsky, Alexei Russian Federation Russian Federation
Stuardi, Chiara (Junior Member) Italy Italy
Stuchlík, Zdenek Czech Republic Czech Republic
Stuik, Remko Netherlands Netherlands
Sturrock, Peter A. United States United States
Stuver, Amber L United States United States
Su, Kate Y. L. United States United States
SU, Cang (Junior Member) China, Nanjing China, Nanjing
SU, Cheng-yue China, Nanjing China, Nanjing
SU, Ding-qiang China, Nanjing China, Nanjing
SU, Jie China, Nanjing China, Nanjing
SU, Yang (Junior Member) China, Nanjing China, Nanjing
SU, Yingna N/A (Junior Member) China, Nanjing China, Nanjing
Suad, Laura Andrea Argentina Argentina
Suarez, Olga France France
Suárez, Juan Carlos Spain Spain
SubbaRao, Mark Upadhyayula United States United States
Šubr, Ladislav Czech Republic Czech Republic
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