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: 14111 (of which 719 Junior members). Number of Active Individual and Junior Members in the IAU Directory: 11608.


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Name▼ Location NCA adherence
Marasco, Antonino (Junior Member) Netherlands Netherlands
Maravelias, Grigoris Greece Greece
Marcaide, Juan-Maria Spain Spain
Marcelin, Michel France France
Marceta, Dusan (Junior Member) Serbia, Republic of Serbia, Republic of
Marchetti, Lucia South Africa South Africa
Marchev, Dragomir V. Bulgaria Bulgaria
Marchi, Simone United States United States
Marchis, Franck United States United States
Marcialis, Robert L. United States United States
Marciniak, Anna Poland Poland
Marco, Amparo Spain Spain
Marco, Olivier France France
Marco Castillo, Francisco J Spain Spain
Marcolino, Wagner Luiz Ferreira Brazil Brazil
Marconi, Alessandro Italy Italy
Marconi, Marcella Italy Italy
Marcos-Arenal, Pablo Spain Spain
Marcote, Benito (Junior Member) Netherlands Netherlands
Marcowith, Alexandre France France
Marcu, Alexandru Romania Romania
Marcucci, Emma United States United States
Marcy, Geoffrey W. United States United States
Mardirossian, Fabio Italy Italy
Mardling, Rosemary A. Australia Australia
Mardones, Diego Chile Chile
Mardyshkin, Vyacheslav V. Russian Federation Russian Federation
Marecki, Andrzej Poland Poland
Marek, John United Kingdom United Kingdom
Marengo, Massimo United States United States
Maret, Sébastien France France
Margon, Bruce H. United States United States
Margot, Jean-Luc United States United States
Maričić, Darije Croatia, the Republic of Croatia, the Republic of
Marigo, Paola Italy Italy
Marilena, Mierla Romania Romania
Marilli, Ettore Italy Italy
Marin, Frederic Czech Republic France
Marín-Franch, Antonio Spain Spain
Marino, Antonietta Italy Italy
Maris, Georgeta Romania Romania
Maris, Michele Italy Italy
Mariska, John T. United States United States
Markkanen, Johannes Germany Finland
Markoff, Sera B. Netherlands Netherlands
Markov, Haralambi S. Bulgaria Bulgaria
Marková, Eva Czech Republic Czech Republic
Markova, Nevena Bulgaria Bulgaria
Markworth, Norman Lee United States United States
Marleau, Francine Austria Austria
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