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▼
Ioannou, Zacharias Oman AA-Country unknown
Iglesias, Francisco Andres (Junior Member) Argentina Argentina
Ireland, Michael James Australia Australia
Iro, Nicolas Austria Austria
Ismayilov, Nariman Zeynalabdi Azerbaijan, Republic of Azerbaijan, Republic of
Idiart, Thais E. Brazil Brazil
Izidoro Ferreira da Costa, André Brazil Brazil
Ivanova, Violeta Georgieva Bulgaria Bulgaria
Iliev, Ilian Khristov Bulgaria Bulgaria
Iliev, Lubomir (Junior Member) Bulgaria Bulgaria
Israel, Werner Canada Canada
Irwin, Judith Canada Canada
Ivanova, Natalia Canada Canada
Irwin, Alan W. Canada Canada
Infante, Leopoldo Chile Chile
INOUE, Makoto China, Taipei China, Taipei
IP, Wing-Huen China, Taipei China, Taipei
Ibrahim, Ahmed Hafez Mohammed (Junior Member) Egypt Egypt
Ibrahim, Makram Ibrahim Khalil Egypt Egypt
Ismail, Mohamed Nader Egypt Egypt
Irigoyen, Maylis France France
Irbah, Abdanour France France
Imbert, Maurice France France
Ibata, Rodrigo A France France
Irrgang, Andreas Germany Germany
Ilyin, Ilya V. Germany Germany
Isliker, Heinz Greece Greece
Iyer, Balasubramanian R. India India
Israelevich, Peter Israel Israel
Iorio, Lorenzo Italy Italy
Israel, Gian Luca Italy Italy
Iijima, Takashi Italy Italy
IEVA, SIMONE (Junior Member) Italy Italy
ITO, Takashi Japan Japan
ISHIHARA, Hideki Japan Japan
ISHII, Shun Japan Japan
ICHIMARU, Setsuo Japan Japan
ICHIKAWA , Takashi Japan Japan
INOUE, Akio Japan Japan
INUTSUKA, Shu-ichiro Japan Japan
IYE, Masanori Japan Japan
ISHIHARA, Daisuke Japan Japan
ISHIYAMA, Tomoaki Japan Japan
IMANISHI, Masatoshi Japan Japan
INOUE, Takeshi Japan Japan
IMAI, Hiroshi Japan Japan
ISHIGURO, Masato Japan Japan
INATANI , Junji Japan Japan
ISHII, Takako T. Japan Japan
IKOMA, Masahiro Japan Japan
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