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: 12400.


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Name Location▼ NCA adherence
Campo Bagatin, Adriano Spain Spain
Cosentino, Rosario Spain Spain
Colzi, Laura (Junior Member) Spain Spain
Costantin, Luca (Junior Member) Spain Spain
Coti Zelati, Francesco (Junior Member) Spain Spain
Casares, Jorge Spain Spain
Carlile, Colin James Sweden Sweden
Carlson, Per Sweden Sweden
Chousinho Khouri Silva, Theo Sweden Sweden
Carozzi, Tobia D. Sweden Sweden
Carlqvist, Per A. Sweden Sweden
Cumming, Robert J. Sweden Sweden
Cosentino, Giuliana (Junior Member) Sweden Sweden
Conway, John Sweden Sweden
Calvo, Flavio (Junior Member) Sweden Sweden
Church, Ross Peter Sweden Sweden
Conrad, Jan Sweden Sweden
Cherchneff, Isabelle Switzerland Switzerland
Carollo, Marcella Switzerland Switzerland
Charbonnel, Corinne Switzerland France
Courvoisier, Thierry J-L. Switzerland Switzerland
Cava, Antonio Switzerland Switzerland
Courbin, Frederic Y.M. Switzerland Switzerland
Cazenave, Anny Switzerland France
CHEUNG, Sze-leung Thailand Japan
Chainakun, Poemwai (Junior Member) Thailand Thailand
Chantavat, Teeraparb Thailand Thailand
Channok, Chanruangrit Thailand Thailand
Chanchaiworawit, Krittapas (Junior Member) Thailand Thailand
Chalermsongsak, Tara Thailand Thailand
Chinarova, Lidiia L. Ukraine Ukraine
Chornogor, Svitlana Ukraine Ukraine
Chubko, Larysa Sergiivna Ukraine Ukraine
Calabrese, Erminia United Kingdom United Kingdom
Crawford, Carolin United Kingdom United Kingdom
Coates, Andrew J United Kingdom United Kingdom
Croston, Judith H. United Kingdom United Kingdom
Chen, Christopher United Kingdom United Kingdom
Chapman, Emma Olivia United Kingdom United Kingdom
Caleb, Manisha Pranati (Junior Member) United Kingdom United Kingdom
Copperwheat, Christopher Michael United Kingdom United Kingdom
Clowes, Roger G. United Kingdom United Kingdom
Carswell, Robert F. United Kingdom United Kingdom
Clements, David L United Kingdom United Kingdom
Culhane, John Leonard United Kingdom United Kingdom
Clube, Kim L. United Kingdom United Kingdom
Crawford, Ian Andrew United Kingdom United Kingdom
Corbett, Ian F. United Kingdom United Kingdom
Cappellari, Michele United Kingdom United Kingdom
Clegg, Robin E.S. United Kingdom United Kingdom
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