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.

For gender statistics click here.

Total number of IAU Individual members: 11518.  Number of Active Individual Members in the IAU Directory: 11176.


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Name▼ Location NCA adherence
Cheung, Chi (Teddy) C United States United States
CHEUNG, Sze-leung Thailand Japan
Chevalier, Roger A. United States United States
Chevrel, Serge France France
Chian, Abraham Chian-Long Brazil Brazil
Chiang, Hsin Cynthia Canada South Africa
CHIANG, Lung-Yih China, Taipei China, Taipei
CHIANG, Yi-Kuan China, Taipei China, Taipei
Chiappetti, Lucio Italy Italy
Chiappini, Cristina Germany Germany
Chiar, Jean E United States United States
Chiavassa, Andrea France France
CHIBA, Masashi Japan Japan
CHIBA, Takeshi Japan Japan
Chibueze, James Okwe South Africa South Africa
Chies Santos, Ana L. Brazil Brazil
CHIHARA, Hiroki Japan Japan
CHIKADA, Yoshihiro Japan Japan
CHIKAWA, Michiyuki Japan Japan
CHIN, Yi-nan China, Taipei China, Taipei
Chinarova, Lidiia L. Ukraine Ukraine
Chincarini, Guido L. Italy Italy
Chini, Rolf Germany Germany
Chinnici, Ileana Italy Italy
Chintzoglou, Georgios United States United States
Chiosi, Cesare S. Italy Italy
Chiruta, Ciprian Romania Romania
Chisari, Nora Elisa Netherlands Netherlands
CHIUEH, Tzihong China, Taipei China, Taipei
Chizek Frouard, Malynda R United States United States
CHO, Jaeil Korea, Rep of Korea, Rep of
CHO, Jungyeon Korea, Rep of Korea, Rep of
CHO, Kyung Suk Korea, Rep of Korea, Rep of
CHO, Se Hyung Korea, Rep of Korea, Rep of
Chodas, Paul Winchester United States United States
Chodorowski, Michał Jacek Poland Poland
CHOE, Gwangson Korea, Rep of Korea, Rep of
CHOE, Seung-Urn Korea, Rep of Korea, Rep of
CHOI, Chul-Sung Korea, Rep of Korea, Rep of
CHOI, Ena Korea, Rep of Korea, Rep of
CHOI, Joon-Young Korea, Rep of Korea, Rep of
CHOI, Kyu Hong Korea, Rep of Korea, Rep of
CHOI, Minho Korea, Rep of Korea, Rep of
CHOI, Young-Jun Korea, Rep of Korea, Rep of
Chomiuk, Laura United States United States
Choquet, Elodie France France
Chornogor, Svitlana Ukraine Ukraine
CHOU, Dean-Yi China, Taipei China, Taipei
CHOU, Mei-Yin China, Taipei China, Taipei
CHOU, Yi China, Taipei China, Taipei
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