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 10 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.

Total number of IAU Individual and Junior members: 13587 (of which 533 Junior members). Number of Active Individual and Junior Members in the IAU Directory: 11098.


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Name▼ Location NCA adherence
Casey, Morag M United Kingdom United Kingdom
Cash Jr, Webster C. United States United States
Casoli, Fabienne Pascale France France
Cassan, Arnaud France France
Cassano, Rossella Italy Italy
Cassaro, Pietro Antonio Italy Italy
Cassinelli, Joseph P. United States United States
Castañeda, Héctor Osvaldo Mexico Mexico
Castelaz, Michael W. United States United States
Castellano, Marco Italy Italy
Castelletti, Gabriela Argentina Argentina
Castillo Rosales, Yvelice Soraya (Junior Member) Honduras Honduras
Castor, John I. United States United States
Castro, Sandra Maria Germany Germany
Castro-Tirado, Alberto J. Spain Spain
Casu, Silvia Italy Italy
Catala, Claude France France
Catalano, Franco A. Italy Italy
Catalán-Torrecilla, Cristina (Junior Member) Spain Spain
Catanzaro, Giovanni Italy Italy
Catchpole, Robin M. United Kingdom United Kingdom
Catelan, Márcio Chile Chile
Catinella, Barbara Australia Australia
Caton, Daniel B. United States United States
Cattaneo, Andrea Germany France
Caux, Emmanuel France France
Cauzzi, Gianna United States Italy
Cava, Antonio Switzerland Switzerland
Cavaglia, Marco United States United States
Cavecchi, Yuri United Kingdom United Kingdom
Cavichia, Oscar Brazil Brazil
Cavuoti, Stefano (Junior Member) Italy Italy
Cayatte, Veronique France France
Cayrel, Roger France France
cazaux, Stephanie Netherlands Netherlands
Cazenave, Anny Switzerland France
Cazzoli, Sara (Junior Member) Spain Spain
Ceccarelli, Cecilia France France
Cecchi-Pestellini, Cesare Italy Italy
Cecconi, Baptiste France France
Cefola, Paul J. United States United States
Celebre, Cynthia P. Philippines Philippines
Celletti, Alessandra Italy Italy
Cellino, Alberto Italy Italy
Cellone, Sergio Aldo Argentina Argentina
Celotti, Anna Lisa Italy Italy
Cenko, Stephen Bradley United States United States
Centeno, Rebecca United States United States
Cepa, Jordi Spain Spain
Cernicharo, Jose Spain Spain
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