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: 13587 (of which 533 Junior members). Number of Active Individual and Junior Members in the IAU Directory: 11098.


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Name▼ Location NCA adherence
Penston, Margaret United Kingdom United Kingdom
Pentericci, Laura Italy Italy
Penttila, Antti Finland Finland
Penzias, Arno A. United States United States
Pepe, Francesco A. Switzerland Switzerland
Pepper, Joshua United States United States
Pequignot, Daniel France France
Perault, Michel France France
Percheron, Isabelle Germany Germany
Percy, John R. Canada Canada
Perea-Duarte, Jaime D. Spain Spain
Pereira, Claudio B. Brazil Brazil
Pereira, Tiago M. D. Norway Norway
Perek, Luboš Czech Republic Czech Republic
Perepelitsyna, Julia Alexandrovna (Junior Member) Russian Federation Russian Federation
Peres, Giovanni Italy Italy
Perets, Hagai Binyamin Israel Israel
Pérez, Enrique Spain Spain
Perez, Fournon Ismael Spain Spain
Perez, Laura M Chile Chile
Perez, Mario R. United States United States
Perez de los Heros, Carlos Sweden Sweden
Perez de Tejada, Hector A. Mexico Mexico
Pérez-Garrido, Antonio Spain Spain
Pérez-González, Pablo G. Spain Spain
Pérez Hernández, Fernando J. Spain Spain
Perez-Suarez, David United Kingdom United Kingdom
Pérez Torres, Miguel Angel Spain Spain
Perkins, Deborah Kala United States United States
Perley, Richard Alan United States United States
Perola, Giuseppe Cesare Italy Italy
Peroux, Céline France France
Perozzi, Ettore Italy Italy
Perraut, Karine France France
Perrin, Guy France France
Perrin, Marshall D United States United States
Perry, Peter M. United States United States
Persi, Paolo Italy Italy
Persides, Sotirios C. Greece Greece
Persson, Carina Margareta Sweden Sweden
Pesce, Joseph E United States United States
Pesch, Peter United States United States
Pešek, Ivan Czech Republic Czech Republic
Peter, Hardi Germany Germany
Peters, Geraldine Joan United States United States
Peters, William L.III United States United States
Petersen, J. Otzen Denmark Denmark
Peterson, Bradley Michael United States United States
Peterson, Bruce A. Australia Australia
Peterson, Charles John United States United States
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