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: 12742 (of which 1224 are Junior members). Number of Active Individual and Junior Members in the IAU Directory: 12377.


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Name▼ Location NCA adherence
Pokrzywka, Bartłomiej Poland Poland
Poland, Arthur I. United States United States
Polatidis, Antonios Netherlands Netherlands
Poleski, Radosław Poland Poland
Poletto, Giannina Italy Italy
Polidan, Ronald S. United States United States
Polińska, Magdalena Maria Poland Poland
Polishook, David Israel Israel
Politi, Romolo Italy Italy
Poljančić Beljan, Ivana (Junior Member) Croatia, the Republic of Croatia, the Republic of
Pollacco, Don United Kingdom United Kingdom
Pollard, Karen New Zealand New Zealand
Pollas, Christian France France
Polletta, Maria del Carmen Italy Italy
Pollo, Agnieszka Maria Poland Poland
Pols, Onno R. Netherlands Netherlands
Polsterer, Kai Lars Germany Germany
Poluianov, Stepan Finland Finland
Polyachenko, Evgeny V. Russian Federation Russian Federation
Polyakhova, Elena N. Russian Federation Russian Federation
Polychroni, Danae Italy Italy
Poma, Angelo Italy Italy
Pomazan, Anton (Junior Member) Ukraine Ukraine
Pommier, Mamta France France
Pompea, Stephen Mark United States United States
Pompei, Emanuela Chile Chile
Pongkitivanichkul, Chakrit (Junior Member) Thailand Thailand
Pongracic, Helen Australia Australia
Ponman, Trevor United Kingdom United Kingdom
Ponomarenko, Vasyl Alexander Ukraine Ukraine
Ponti, Gabriele Italy Italy
Pontoppidan, Klaus M. United States United States
Pooley, David United States United States
Pop, Alexandru Viorel Romania Romania
Pop, Vasile Romania Romania
Popescu, Cristina Carmen United Kingdom United Kingdom
Popescu, Marcel M. Spain Spain
Popescu, Nedelia Antonia Romania Romania
Popescu, Petre P. Romania Romania
Popov, Sergey B. Russian Federation Russian Federation
Popova, Olga Russian Federation Russian Federation
Popović, Luka C. Serbia, Republic of Serbia, Republic of
Popping, Gergö Germany Germany
Porcas, Richard Germany Germany
Porceddu, Ignazio E.P. Italy Italy
Porcelli, Luca (Junior Member) Italy Italy
Poretti, Ennio Italy Italy
Porquet, Delphine France France
Porras Juárez, Bertha Alicia Mexico Mexico
Portegies Zwart, Simon F. Netherlands Netherlands
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