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 3 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.

For gender statistics click here.

Total number of IAU Individual and Junior members: 12754 (of which 1224 are Junior members). Number of Active Individual and Junior Members in the IAU Directory: 12383.


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Name▼ Location NCA adherence
Coffey, Deirdre Ireland Ireland
Coffey, Helen E. United States United States
Cohen, Ariel Israel Israel
Cohen, David H United States United States
Cohen, Judith United States United States
Cohen, Marshall H. United States United States
Cohen, Roger E United States United States
Colangeli, Luigi Netherlands Netherlands
Colas, François France France
Colazo, Marcelo Eduardo Argentina Argentina
Coldwell, Georgina Argentina Argentina
Cole, Andrew Alexander Australia Australia
Cole, David Ronald United Kingdom United Kingdom
Cole, Shaun M. United Kingdom United Kingdom
Coles, Peter Ireland Ireland
Colin, Jacques France France
Colina, Luis Spain Spain
Collados, Manuel Spain Spain
Colless, Matthew Australia Australia
Collet, Remo Denmark Australia
Collin, Suzy France France
Collinge, Matt United States United States
Colombi, Stephane France France
Colomer, Francisco Spain Spain
Colon, Knicole D. United States United States
Colpi, Monica Italy Italy
Colzi, Laura (Junior Member) Spain Spain
Comastri, Andrea Italy Italy
Combes, Françoise France France
Combi, Jorge A. Argentina Argentina
Combi, Michael R. United States United States
Comerón, Sébastien Finland Finland
Comins, Neil Francis United States United States
Commerçon, Benoît France France
Comte, Georges France France
Concepcion, Florence (Junior Member) United Kingdom United Kingdom
Condon, James J. United States United States
Congiu, Enrico (Junior Member) Chile Germany
Conklin, Edward K. United States United States
Connaughton, Valerie United States United States
Connes, Janine France France
Connolly, Leo P. United States United States
Connolly, Harold C. United States United States
Connors, Martin G. Canada Canada
Conrad, Albert R United States United States
Conrad, Jan Sweden Sweden
Conselice, Christopher J. United Kingdom United States
Consolmagno, Guy Joseph Vatican City State Vatican City State
Constantin, Diana-Rodica Gh. Romania Romania
Contadakis, Michael E. Greece Greece
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