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
Petit, Veronique United States United States
Petitjean, Patrick France France
Petitpas, Glen R United States United States
Petkaki, Panagiota United Kingdom United Kingdom
Petre, Robert United States United States
Petr-Gotzens, Monika G. Germany Germany
Petriella, Alberto (Junior Member) Argentina Argentina
Petrignani, Annemieke Netherlands Netherlands
Petro, Larry David United States United States
Petrosian, Artaches R. Armenia Armenia
Petrosian, Vahe United States United States
Petrov, Alexander N Russian Federation Russian Federation
Petrov, Georgi Petrov Bulgaria Bulgaria
Petrov, Georgi Trendafilov Bulgaria Bulgaria
Petrov, Nikola Ivanov Bulgaria Bulgaria
Petrov, Peter P. Russian Federation Russian Federation
Petrov, Romain G. France France
Petrov, Sergey Dmitrievich Russian Federation Russian Federation
Petrovay, Kristof Hungary Hungary
Petrovic, Jelena Serbia, Republic of Serbia, Republic of
Petrucci, Romina Argentina Argentina
Petruk, Oleh Ukraine Ukraine
Petrukovich, Anatoli A Russian Federation Russian Federation
Petrushevska, Tanja (Junior Member) Slovenia, the Republic of Slovenia, the Republic of
Pettersen, Bjørn Ragnvald Norway Norway
Pettorino, Valeria Netherlands Netherlands
Petuchowski, Samuel J. United States United States
Pety, Jérôme France France
Pevtsov, Alexei A. United States United States
Pezzulli, Gabriele Netherlands Netherlands
Pfalzner, Susanne Germany Germany
Pfeiffer, Harald P Germany Canada
Pfeiffer, Raymond J. United States United States
Pfenniger, Daniel Switzerland Switzerland
Pham, Nhung Tuyet Vietnam Vietnam
Phạm, Tuan-Anh Vietnam Vietnam
PHAM, Diep Ngoc Vietnam Vietnam
PHAN, Dong Van Vietnam Vietnam
Phelps, Randy L. United States United States
Philipp-May, Sabine D. Germany Germany
Phillipps, Steven United Kingdom United Kingdom
Phillips, Christopher J. Australia Australia
Phillips, Kenneth J.H. United Kingdom United Kingdom
Phillips, Mark M. Chile Chile
Pian, Elena Italy Italy
Piatti, Andrés E. Argentina Argentina
Picazzio, Enos Brazil Brazil
Piccialli, Arianna Belgium Belgium
Piccinni, Ornella Juliana (Junior Member) Italy Italy
Piccioni, Giuseppe Italy Italy
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