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: 12755 (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
Barstow, Joanna K United Kingdom United Kingdom
Barstow, Martin Adrian United Kingdom United Kingdom
Barsukova, Elena Aleksandrovna Russian Federation Russian Federation
Barta, Miroslav Czech Republic Czech Republic
Bartali, Roberto (Junior Member) Mexico Mexico
Bartasiute, Stanislava Lithuania Lithuania
Bartczak, Przemysław Pawel Poland Poland
Bartel, Norbert Harald Canada Canada
Bartelmann, Matthias Germany Germany
Barth, Aaron J. United States United States
Barthel, Peter Netherlands Netherlands
Bartkevicius, Antanas Lithuania Lithuania
Bartkiewicz, Anna Poland Poland
Bartlett, Jennifer Lynn United States United States
Bartos, Imre United States United States
Bartosch Caminha, Gabriel (Junior Member) Netherlands Netherlands
Barucci, Maria A. France France
Baruch, John E.F. United Kingdom United Kingdom
Barway, Sudhashu India India
Barwig, Heinz Germany Germany
Bary, Jeffrey S. United States United States
Baryshev, Andrey M Netherlands Netherlands
Basa, Stephane France France
Basart, John P. United States United States
Bash, Frank N. United States United States
Bashi, Dolev (Junior Member) Israel Israel
Basilakos, Spyros Greece Greece
Baskill, Darren S. United Kingdom United Kingdom
Basri, Gibor B. United States United States
Bassa, Cornelis Gerrit Netherlands Netherlands
Bassett, Bruce A. South Africa South Africa
Bassez, Marie-Paule France France
Bassino, Lilia P. Argentina Argentina
Bastian, Nathan J. United Kingdom United Kingdom
Bastian, Timothy S. United States United States
Bastian, Ulrich Germany Germany
Bastien, Pierre Canada Canada
Bastieri, Denis Italy Italy
Basturk, Ozgur Turkey Turkey
Basu, Aritra (Junior Member) Germany Germany
Basu, Kaustuv Germany Germany
Basu, Sarbani United States United States
Basu, Shantanu Canada Canada
Batchelor, David Allen United States United States
Bates, Brian United Kingdom United Kingdom
Batmunkh, Damdin Mongolia Mongolia
Battaglia, Marina Switzerland Switzerland
Battaner, Eduardo Spain Spain
Batten, Alan H. Canada Canada
Battersby, Cara United States United States
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