Individual 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.

Individual 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.

For combined Individual and Junior Members click here

For the Working Rules pertaining to Individual membership click here.

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 members: 11275.  Number of Active Individual Members in the IAU Directory: 11004.


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Name Location▼ NCA adherence
Ireland, Michael James Australia Australia
Iro, Nicolas Austria Austria
Ismayilov, Nariman Zeynalabdi Azerbaijan, Republic of Azerbaijan, Republic of
Ivantsov, Anatoliy Belgium Belgium
Idiart, Thais E. Brazil Brazil
Izidoro Ferreira da Costa, André Brazil Brazil
Iliev, Ilian Khristov Bulgaria Bulgaria
Ivanova, Violeta Georgieva Bulgaria Bulgaria
Ibryamov, Sunay Bulgaria Bulgaria
Israel, Werner Canada Canada
Irwin, Judith Canada Canada
Irwin, Alan W. Canada Canada
Ivanova, Natalia Canada Canada
Infante, Leopoldo Chile Chile
Inoue, Makoto China, Taipei China, Taipei
IP, Wing-Huen China, Taipei China, Taipei
Izzo, Luca Denmark Denmark
Ibrahim, Makram Ibrahim Khalil Egypt Egypt
Ismail, Hamed Abdel-Hamid Egypt Egypt
Ismail, Mohamed Nader Egypt Egypt
Imbert, Maurice France France
Irigoyen, Maylis France France
Irbah, Abdanour 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
Iafrate, Giulia Italy Italy
Israel, Gian Luca Italy Italy
Iijima, Takashi Italy Italy
Iorio, Lorenzo Italy Italy
IGUCHI, Satoru Japan Japan
IKEUCHI , Satoru Japan Japan
IYE, Masanori Japan Japan
IGUCHI, Osamu Japan Japan
INOUE, Akio Japan Japan
ISHIHARA, Hideki Japan Japan
ISHIZUKA , Toshihisa Japan Japan
ISHII, Shun Japan Japan
ISHIHARA, Daisuke Japan Japan
ITOH, Yousuke Japan Japan
ISHIGURO, Masato Japan Japan
ITA, Yoshifusa Japan Japan
ITOH, Naoki Japan Japan
INOUE, Takeshi Japan Japan
ICHIMARU, Setsuo Japan Japan
IOKA , Kunihito Japan Japan
INOUE, Hajime Japan Japan
ICHIKAWA , Takashi Japan Japan
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