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: 12140 (of which 891 are Junior members). Number of Active Individual and Junior Members in the IAU Directory: 11845.


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Name Location NCA adherence▼
Sandrelli, Stefano Italy Italy
Sidoli, Lara Italy Italy
Strafella, Francesco Italy Italy
Saggion, Antonio Italy Italy
Severino, Giuseppe Italy Italy
Setti, Giancarlo Italy Italy
Spinoglio, Luigi Italy Italy
Sánchez Ramírez, Rubén (Junior Member) Italy Italy
Smart, Richard Laurence Italy Italy
Sabbadin, Franco Italy Italy
Straus, Thomas Italy Italy
Selvelli, Pierluigi Italy Italy
Shore, Steven N. Italy Italy
Spagna, Alessandro Italy Italy
Sedmak, Giorgio Italy Italy
Silvotti, Roberto Italy Italy
Scuderi, Salvo Italy Italy
Stratta, Giulia Italy Italy
Scodeggio, Marco Italy Italy
Sciortino, Salvatore Italy Italy
Severgnini, Paola Italy Italy
Spadaro, Daniele Italy Italy
Spingola, Cristiana (Junior Member) Italy Italy
Scandariato, Gaetano Italy Italy
Scardia, Marco Italy Italy
Scaramella, Roberto Italy Italy
Strazzulla, Giovanni Italy Italy
Sasso, Clementina Italy Italy
Stanghellini, Carlo Italy Italy
Serra, Daniele (Junior Member) Italy Italy
Savaglio, Sandra Italy Italy
Sarasso, Maria Italy Italy
Sigismondi, Costantino Italy Italy
Saracco, Paolo Italy Italy
Stella, Luigi Italy Italy
Spartà, Roberta (Junior Member) Italy Italy
Stanga, Ruggero M. Italy Italy
Stirpe, Giovanna M. Italy Italy
Spitoni, Emanuele Denmark Italy
Santini, Paola Italy Italy
Schipani, Pietro Italy Italy
Silva, Laura Italy Italy
Salvati, Marco Italy Italy
SAWAI, Hidetomo Japan Japan
SOTANI, Hajime Japan Japan
SAITOH, Takayuki Japan Japan
SHIBASAKI, Kiyoto Japan Japan
SANO, Hidetoshi Japan Japan
SAKAO, Taro Japan Japan
SAITO, Masao Japan Japan
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