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
cazaux, Stephanie Netherlands Netherlands
Cazenave, Anny Switzerland France
Cazzoli, Sara (Junior Member) Spain Spain
Ceballos Merino, Maria Teresa Spain Spain
Ceccarelli, Cecilia France France
Cecchi-Pestellini, Cesare Italy Italy
Cecconi, Baptiste France France
Cécere, Mariana Andrea Argentina Argentina
Cefola, Paul J. United States United States
Celebre, Cynthia P. Philippines Philippines
Celletti, Alessandra Italy Italy
Celli, Silvia (Junior Member) Italy Italy
Cellino, Alberto Italy Italy
Cellone, Sergio Aldo Argentina Argentina
Celotti, Anna Lisa Italy Italy
Cenarro, Javier Spain Spain
Cenko, Stephen Bradley United States United States
Centeno, Rebecca United States United States
Cepa, Jordi Spain Spain
Cernicharo, Jose Spain Spain
Cernis, Kazimieras Lithuania Lithuania
Cerqueira, Adriano Hoth Brazil Brazil
Cerroni, Priscilla Italy Italy
Cersosimo, Juan Carlos United States United States
Cervantes Sodi, Bernardo (Junior Member) Mexico Mexico
Cervino, Miguel Spain Spain
Cesarsky, Catherine Jeanne France France
Cescutti, Gabriele Italy Italy
Cesetti, Mary Italy Italy
CHA, Seung-Hoon United States United States
Chabab, Mohamed Morocco Morocco
Chabot, Nancy Lynne United States United States
Chaboyer, Brian C. United States United States
Chabrier, Gilles France France
Chacon-Tanarro, Ana (Junior Member) Spain Spain
Chadid, Merieme France France
CHAE, Jongchul Korea, Rep of Korea, Rep of
CHAE, Kyu-Hyun Korea, Rep of Korea, Rep of
Chagelishvili, George Georgia Georgia
Chainakun, Poemwai (Junior Member) Thailand Thailand
Chaisson, Eric J. United States United States
Chakrabarti, Supriya United States United States
Chakrabarty, Deepto United States United States
Chakraborty, Abhijit India India
Chakraborty, Chandrachur India India
Chakraborty, Deo K. India India
Chakraborty, Manoneeta India India
Chalermsongsak, Tara Thailand Thailand
Chamaraux, Pierre France France
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