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: 11257.  Number of Active Individual Members in the IAU Directory: 10967.


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Name▼ Location NCA adherence
Cersosimo, Juan Carlos United States United States
Cervino, Miguel Spain Spain
Cesarsky, Catherine Jeanne France France
Cescutti, Gabriele Italy Italy
Cesetti, Mary Italy Italy
CHA, Seung-Hoon United States United States
Chabab, Mohamed Morocco Morocco
Chaboyer, Brian C. United States United States
Chabrier, Gilles France France
Chadid, Merieme France France
CHAE, Jongchul Korea, Rep of Korea, Rep of
CHAE, Kyu-Hyun Korea, Rep of Korea, Rep of
Chaisson, Eric J. United States United States
Chakrabarti, Sandip Kumar India India
Chakrabarti, Supriya United States United States
Chakrabarty, Deepto United States United States
Chakraborty, Deo K. India India
Chalermsongsak, Tara Thailand Thailand
Chamaraux, Pierre France France
Chambers, John E. United States United States
Chambers, Kenneth C United States United States
Chambliss, Carlson R. United States United States
Chamcham, Khalil United Kingdom United Kingdom
Chamel, Nicolas Belgium Belgium
Champion, David John Germany Germany
Chan, Man Ho Hong Kong AA-Country unknown
Chan, Roberto Brazil Brazil
CHAN, Kwing Lam China, Nanjing China, Nanjing
Chance, Kelly V. United States United States
Chandler, Claire United States United States
Chandra, Poonam India India
Chandra, Ramesh India India
Chandra, Suresh India India
Chandrasekhar, Thyagarajan India India
CHANG, Chan-Kao China, Taipei China, Taipei
CHANG, Heon-Young Korea, Rep of Korea, Rep of
CHANG, Hong China, Nanjing China, Nanjing
CHANG, Hsiang-Kuang China, Taipei China, Taipei
CHANG, Kyongae Korea, Rep of Korea, Rep of
CHANG, Ruixiag China, Nanjing China, Nanjing
CHANG, Yu-Yen China, Taipei China, Taipei
Channok, Chanruangrit Thailand Thailand
Chantavat, Teeraparb Thailand Thailand
CHAO, Benjamin F. China, Taipei China, Taipei
Chapanov, Yavor Bulgaria Bulgaria
Chaparro, German Colombia Colombia
Chaplin, William James United Kingdom United Kingdom
Chapman, Clark R. United States United States
Chapman, Emma Olivia United Kingdom United Kingdom
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