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: 12744 (of which 1224 are Junior members). Number of Active Individual and Junior Members in the IAU Directory: 12379.


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Name▼ Location NCA adherence
Carvano, Jorge M.F. Brazil Brazil
Casagrande, Luca Australia Australia
Casali, Giada (Junior Member) Italy Italy
Casandjian, Jean-Marc France France
Casares, Jorge Spain Spain
Casas Miranda, Rigoberto A. Colombia Colombia
Casasola, Viviana Italy Italy
casassus, simon Chile Chile
Casella, Piergiorgio Italy Italy
Caselli, Paola Germany Germany
Casetti, Dana Ioana United States United States
Casewell, Sarah L United Kingdom United Kingdom
Casey, Caitlin Meryl United States United States
Casey, Morag M United Kingdom United Kingdom
Cash Jr, Webster C. United States United States
Cashman, Frances H (Junior Member) United States United States
Casoli, Fabienne Pascale France France
Caspi, Amir United States United States
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
Castellanos-Ramírez, Antonio (Junior Member) Mexico Mexico
Castelletti, Gabriela Argentina Argentina
Castignani, Gianluca Italy Italy
Castillo Rosales, Yvelice Soraya (Junior Member) Honduras Honduras
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
Cataldi, Gianni Japan Japan
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 Spain Spain
Cavichia, Oscar Brazil Brazil
Cavuoti, Stefano (Junior Member) Italy Italy
Cayatte, Veronique France France
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