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: 12769 (of which 1224 are Junior members). Number of Active Individual and Junior Members in the IAU Directory: 12399.


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Name Location NCA adherence▼
Cuesta Crespo, Luis Spain Spain
Caon, Nicola Spain Spain
Casares, Jorge Spain Spain
Carbonell, Marc Spain Spain
Ceballos Merino, Maria Teresa Spain Spain
Chacon-Tanarro, Ana (Junior Member) Spain Spain
Chaves-Montero, Jonás (Junior Member) Spain Spain
Campo Bagatin, Adriano Spain Spain
Cepa, Jordi Spain Spain
Colomer, Francisco Spain Spain
Cardesín Moinelo, Alejandro Spain Spain
Carnero Rosell, Aurelio Spain Spain
Collados, Manuel Spain Spain
Cumming, Robert J. Sweden Sweden
Church, Ross Peter Sweden Sweden
Carlile, Colin James Sweden Sweden
Carozzi, Tobia D. Sweden Sweden
Calvo, Flavio (Junior Member) Sweden Sweden
Conrad, Jan Sweden Sweden
Conway, John Sweden Sweden
Carlqvist, Per A. Sweden Sweden
Cosentino, Giuliana (Junior Member) Sweden Sweden
Chousinho Khouri Silva, Theo Sweden Sweden
Carlson, Per Sweden Sweden
Courbin, Frederic Y.M. Switzerland Switzerland
Courvoisier, Thierry J-L. Switzerland Switzerland
Cherchneff, Isabelle Switzerland Switzerland
Carollo, Marcella Switzerland Switzerland
Cava, Antonio Switzerland Switzerland
Channok, Chanruangrit Thailand Thailand
Chalermsongsak, Tara Thailand Thailand
Chanchaiworawit, Krittapas (Junior Member) Thailand Thailand
Chainakun, Poemwai (Junior Member) Thailand Thailand
Chantavat, Teeraparb Thailand Thailand
Chornogor, Svitlana Ukraine Ukraine
Chinarova, Lidiia L. Ukraine Ukraine
Chubko, Larysa Sergiivna Ukraine Ukraine
Chapman, Emma Olivia United Kingdom United Kingdom
Christou, Apostolos United Kingdom United Kingdom
Chapman, Sandra C. United Kingdom United Kingdom
Clube, Kim L. United Kingdom United Kingdom
Carswell, Robert F. United Kingdom United Kingdom
Culhane, John Leonard United Kingdom United Kingdom
Clowes, Roger G. United Kingdom United Kingdom
Cotter, Garret United Kingdom United Kingdom
Casewell, Sarah L United Kingdom United Kingdom
Czekala, Ian United Kingdom United Kingdom
Charles, Philip Allan United Kingdom United Kingdom
Cole, David Ronald United Kingdom United Kingdom
Crawford, Ian Andrew United Kingdom United Kingdom
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