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 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 Individual and Junior members: 14106 (of which 719 Junior members). Number of Active Individual and Junior Members in the IAU Directory: 11606.


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Name Location▼ NCA adherence
Sievers, Jonathan South Africa South Africa
Sorgho, Amidou (Junior Member) South Africa South Africa
Sickafoose, Amanda South Africa South Africa
Schroeder, Anja C. South Africa South Africa
Skillen, Ian Spain Spain
Sanchez Doreste, Néstor Spain Spain
Solano, Enrique Spain Spain
Simo, Carles Spain Spain
Simon-Diaz, Sergio Spain Spain
Schartel, Norbert Spain Spain
Sabau-Graziati, Lola Spain Spain
Sala, Ferran Spain Spain
Salvador-Sole, Eduardo Spain Spain
Sanahuja Parera, Blai Spain Spain
Sánchez, Francisco M. Spain Spain
Sánchez Almeida, Jorge Spain Spain
Sánchez-Blázquez, Patricia Spain Spain
Sánchez Contreras, Carmen Spain Spain
Sanchez-Lavega, Agustin Spain Spain
Sanchez Bejar, Victor Javier Spain Spain
Sanchez-Saavedra, M. Luisa Spain Spain
Sansaturio, Maria Eugenia Spain Spain
Sanroma, Manuel Spain Spain
Sanz, Jaume Spain Spain
Santos-Lleo, Maria Spain Spain
Schödel, Rainer Spain Spain
Sein-Echaluce, M. Luisa Spain Spain
Sequeiros, Juan Spain Spain
Serra Ricart, Miquel Spain Spain
Sevilla, Miguel J. Spain Spain
Shahbaz, Tariq Spain Spain
Socas-Navarro, Hector Spain Spain
Solanes, Josep M. Spain Spain
Suárez, Juan Carlos Spain Spain
Sulentic, Jack W. Spain Spain
Santos-Sanz, Pablo Spain Spain
Smirnova, Olesja Spain Latvia
Sanchez-Portal, Miguel Spain Spain
Santander-García, Miguel Spain Spain
Serenelli, Aldo M. Spain Spain
Suso Lopez, M. Julia Spain Spain
Sanchez-Conde, Miguel A Spain Spain
Scharmer, Goeran Bjarne Sweden Sweden
Stenberg Wieser, Gabriella Sweden Sweden
Soderhjelm, Staffan Sweden Sweden
Sahlen, Martin Sweden Sweden
Sandqvist, Aage Sweden Sweden
Stempels, Eric Sweden Sweden
Stenholm, Björn Sweden Sweden
Sundin, Maria I. Sweden Sweden
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