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 2014 and 2019 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 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 members:13675 (of which 534 Junior members). Number of Active Individual and Junior Members in the IAU Directory: 11126.


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Name▼ Location NCA adherence
Sanchez Doreste, Néstor Spain Spain
Sanchez-Lavega, Agustin Spain Spain
Sanchez-Portal, Miguel Spain Spain
Sánchez Ramírez, Rubén (Junior Member) Italy Italy
Sanchez-Saavedra, M. Luisa Spain Spain
Sanchez Sanchez, Sebastian Francisco Mexico Mexico
Sancisi, Renzo Netherlands Italy
Sandell, Göran H. L. United States United States
Sander, Andreas A. C. (Junior Member) Germany Germany
Sanders, David B. United States United States
Sanders, Gary H. United States United States
Sanders, Robert Netherlands Netherlands
Sanders, Walter L. United States United States
Sanders III, Wilton Turner United States United States
Sandin, Christer Germany Germany
Sándor, Zsolt M Hungary Hungary
Sandqvist, Aage Sweden Sweden
Sandrelli, Stefano Italy Italy
Sandu (Barbulete), Oana Germany Germany
Sanguansak, Nuanwan - Thailand Thailand
Saniga, Metod Slovakia Slovakia
Sankrit, Ravi United States United States
SANO, Hidetoshi Japan Japan
Sanroma, Manuel Spain Spain
Sansaturio, Maria Eugenia Spain Spain
Sansom, Anne E. United Kingdom United Kingdom
Sansom, Eleanor (Junior Member) Australia Australia
Santander, Juan Marcos United States United States
Santerne, Alexandre Portugal France
Santiago, Basilio Xavier Brazil Brazil
Santillán, Alfredo J. Mexico Mexico
Santini, Paola Italy Italy
Santos, Angela R. G. (Junior Member) United States Portugal
Santos, Filipe D. Portugal Portugal
Santos Agostinho, Rui J. Portugal Portugal
Santos Jr., Joao F. C. Brazil Brazil
Santos-Lleo, Maria Spain Spain
Santos-Sanz, Pablo Spain Spain
Sanwal, Basant Ballabh India India
Sanz, Jaume Spain Spain
Sapar, Arved Estonia Estonia
Sapar, Lili Estonia Estonia
Saracco, Paolo Italy Italy
Saraiva, Maria de Fatima Oliveira Brazil Brazil
Sarajedini, Ata United States United States
Sarajedini, Vicki United States United States
Sarasso, Maria Italy Italy
Sarazin, Craig L. United States United States
Sargent, Annelia I. United States United States
Sargent, Benjamin United States United States
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