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
Chaplin, William James United Kingdom United Kingdom
Chapman, Clark R. United States United States
Chapman, Emma Olivia United Kingdom United Kingdom
Chapman, Gary A. United States United States
Chapman, Jessica Mary Australia Australia
Chapman, Robert D. United States United States
Chapman, Sandra C. United Kingdom United Kingdom
Charalambous, Constantinos (Junior Member) United Kingdom Cyprus
Charbonneau, Paul Canada Canada
Charbonnel, Corinne Switzerland France
Charbonnier, Aldée Brazil Brazil
CHARDONNET, Pascal France France
Charles, Philip Allan United Kingdom United Kingdom
Charlot, Patrick France France
Charlot, Stephane France France
Charmandaris, Vassilis Greece Greece
Charpinet, Stéphane France France
Chartas, George United States United States
Chashei, Igor V. Russian Federation Russian Federation
CHASSANDE-MOTTIN, Eric France France
Chassefiere, Eric France France
Chastenay, Pierre Canada Canada
Chattopadhyay, Indranil India India
Chattopadhyay, Surajit India India
Chattopadhyay, Tanuka India India
Chaturvedi, Priyanka (Junior Member) India India
Chaty, Sylvain France France
Chatzichristou, Eleni Thomai France France
Chatzistergos, Theodosios (Junior Member) Germany Germany
Chaubey, Uma Shankar India India
Chauvin, Gael France France
Chauvineau, Bertrand France France
Chavarria-K, Carlos Mexico Mexico
Chavez-Dagostino, Miguel Mexico Mexico
Chavushyan, Vahram Mexico Mexico
Chechetkin, Valerij M. Russian Federation Russian Federation
Chelli, Alain France France
Chelliah Subramonian, Stalin India India
Chelouche, Doron Israel Israel
Chemin, Laurent Chile Chile
Chen, Andrew W South Africa South Africa
Chen, Bin United States United States
Chen, Christine H United States United States
CHEN, Alfred Bing-Chih China, Taipei China, Taipei
CHEN, An-Le China, Taipei China, Taipei
CHEN, DaMing China, Nanjing China, Nanjing
CHEN, Dongni China, Nanjing China, Nanjing
CHEN, Guoming China, Nanjing China, Nanjing
CHEN, Hsiao-Wen United States United States
CHEN, Huei-Ru Vivien China, Taipei China, Taipei
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