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
Said, Khaled (Junior Member) Australia Australia
Saifollahi, Teymoor (Junior Member) Netherlands Netherlands
SAIGO, Kazuya Japan Japan
Saikia, Dhruba Jyoti India India
Saikia, Gautam (Junior Member) India India
Saintonge, Amelie United Kingdom United Kingdom
SAIO, Hideyuki Japan Japan
SAITO, Masao Japan Japan
SAITOH, Takayuki Japan Japan
Saiz, Alejandro Thailand Thailand
Sakai, Shoko United States United States
SAKAI, Nami Japan Japan
SAKAI , Junichi Japan Japan
SAKAMOTO, Seiichi Japan Japan
SAKAMOTO, Tsuyoshi Japan Japan
Sakano, Masaaki United Kingdom United Kingdom
SAKAO, Taro Japan Japan
Sakari, Charli M. United States United States
Sakhibullin, Nail A. Russian Federation Russian Federation
SAKON, Itsuki Japan Japan
SAKURAI, Takashi Japan Japan
Sala, Ferran Spain Spain
SALAK, Dragan Japan Japan
Salama, Farid United States United States
Salaris, Maurizio United Kingdom United Kingdom
Salazar, Byron Patricio (Junior Member) Ecuador Ecuador
Saleh Almohammadi, Abdul-Rahman Hussian Iraq Iraq
Salim, Samir United States United States
Salimpour, Saeed (Junior Member) Australia Germany
Salinari, Piero Italy Italy
Salinas, Ricardo Chile Chile
Salītis, Antonijs Latvia Latvia
Salmi, Tuomo (Junior Member) Netherlands Netherlands
Salo, Heikki Finland Finland
Salomé, Philippe France France
Salstein, David A. United States United States
Salter, Christopher John United States United States
Salvador-Sole, Eduardo Spain Spain
Salvati, Marco Italy Italy
Salvato, Mara Germany Germany
Salviander, Sarah United States United States
Salyk, Colette V United States United States
Salzer, John Joseph United States United States
Samadi-Ghadim, Anya (Aunia) (Junior Member) Germany Germany
Samain, Denys Louis France France
Samal, Manash Ranjan India India
Samarasinha, Nalin H. United States United States
Samec, Ronald G. United States United States
Samodurov, Vladimir A. Russian Federation Russian Federation
Sampson, Russell Dean United States United States
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