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
Petrovskaya, Margarita S. Russian Federation Russian Federation
Petruk, Oleh Ukraine Ukraine
Petrushevska, Tanja (Junior Member) Slovenia, the Republic of Slovenia, the Republic of
Pettengill, Gordon H. United States United States
Pettersen, Bjørn Ragnvald Norway Norway
Pettini, Marco Italy Italy
Petuchowski, Samuel J. United States United States
Pety, Jérôme France France
Pevtsov, Alexei A. United States United States
Peykov, Zvezdelin I. Bulgaria Bulgaria
Pfalzner, Susanne Germany Germany
Pfeiffer, Harald P Canada Canada
Pfeiffer, Raymond J. United States United States
Pfenniger, Daniel Switzerland Switzerland
Pfleiderer, Jorg Austria Austria
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
Phillips, Thomas Gould United States United States
Piacentini, Ruben Argentina Argentina
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
Pichardo, Barbara Mexico Mexico
Pick, Monique France France
Pickering, Juliet Clare United Kingdom United Kingdom
Pickles, Andrew John United States United States
Pidopryhora, Yurii Germany Germany
Pierre, Marguerite France France
Pietrukowicz, Paweł Poland Poland
Piétu, Vincent France France
Pigatto, Luisa Italy Italy
Pignata, Giuliano Chile Chile
Pignatale, Francesco Cristiano France France
Pigulski, Andrzej Poland Poland
Pihajoki, Pauli O. Finland Finland
Pihlström, Ylva United States United States
Piirola, Vilppu E. Finland Finland
Pijpers, Frank Peter Netherlands Netherlands
Pikichian, Hovhannes Vahram Armenia Armenia
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