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: 11078.  Number of Active Individual Members in the IAU Directory: 10770.


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Name▼ Location NCA adherence
CHUNG, Hyun-Soo Korea, Rep of Korea, Rep of
CHUNG, Sun-Ju Korea, Rep of Korea, Rep of
Chupina, Natalia Victorovna Russian Federation Russian Federation
Churazov, Eugene M. Russian Federation Russian Federation
Church, Ross Peter Sweden Sweden
Churchwell, Edward B. United States United States
Chyży, Krzysztof Tadeusz Poland Poland
Ciardi, Benedetta Germany Germany
Ciardi, David R. United States United States
Ciardullo, Robin United States United States
Cichowolski, Silvina Argentina Argentina
Cicone, Claudia Norway Norway
Cidale, Lydia Sonia Argentina Argentina
Cid Fernandes , Roberto Jr. Brazil Brazil
Cieza, Lucas A Chile Chile
Cignoni, Michele Italy Italy
Ciliegi, Paolo Italy Italy
Cimo', Giuseppe Netherlands Netherlands
Cincotta, Pablo M. Argentina Argentina
Cionco, Rodolfo Gustavo Argentina Argentina
Cioni, Maria-Rosa L. Germany Germany
Ciotti, Luca Italy Italy
Cirkovic, Milan M. Serbia, Republic of Serbia, Republic of
Ciroi, Stefano Italy Italy
Cisewski, Jessi United States United States
Civiš, Svatopluk Czech Republic Czech Republic
Claeskens, Jean-François Belgium Belgium
Claria, Juan Argentina Argentina
Clark, Barry G. United States United States
Clark, David M. Mexico Mexico
Clark, Frank Oliver United States United States
Clark, George W. United States United States
Clark, Thomas Alan Canada Canada
Clarke, David United Kingdom United Kingdom
Clarke, David A. Canada Canada
Clarke, John T. United States United States
Clarke, Tracy E. United States United States
Clarkson, Chris South Africa South Africa
Claudi, Riccardo U. Italy Italy
Claussen, Mark J. United States United States
Clavel, Jean Netherlands Netherlands
Clay, Roger Australia Australia
Clayton, Donald D. United States United States
Cleeves, Lauren Ilsedore United States United States
Clegg, Andrew W. United States United States
Clegg, Robin E.S. United Kingdom United Kingdom
Clem, James L. United States United States
Clemens, Dan P. United States United States
Clement, Christine Canada Canada
Clementini, Gisella Italy Italy
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