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: 12425 (of which 1084 are Junior members). Number of Active Individual and Junior Members in the IAU Directory: 12090.


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Name▼ Location NCA adherence
Botticella, Maria Teresa Italy Italy
Bottorff, Mark C United States United States
Botzler, Christine S. Germany Germany
Boubert, Douglas (Junior Member) United Kingdom United Kingdom
Boucher, Claude France France
Bouchet, François R. France France
Bouchet, Patrice Jean Emmanuel France France
Bougeret, Jean-Louis Henry France France
Boula, Styliani (Junior Member) Poland Poland
Boulanger, Francois France France
Boulesteix, Jacques France France
Bouley, Sylvain France France
Boumis, Panayotis Greece Greece
Bounhir, Aziza Morocco Morocco
Bouquin, Alexandre Yuichiro Kléber (Junior Member) Spain Spain
Bourda, Geraldine France France
Bouret, Jean-Claude France France
Bourke, Tyler L. United Kingdom United Kingdom
Bouton, Ellen N United States United States
Bouvier, Jerôme France France
Bouwens, Rychard J Netherlands Netherlands
Bouwman, Jordy Netherlands Netherlands
Bouy, Hervé France France
Bouziani, Naceur Algeria Algeria
Bowell, Edward L.G. United States United States
Bowen, David V United States United States
Bower, Gary Allen United States United States
Bower, Geoffrey C. United States United States
Bowman, Dominic (Junior Member) Belgium Belgium
Boyajian, Tabetha Suzanne United States United States
Boyce, Peter B. United States United States
Boyd, David R. S. United Kingdom United Kingdom
Boyer, Martha L United States United States
Boyle, Brian J. Australia Australia
Boyle, Richard P. Vatican City State Vatican City State
Boyle, Stephen United Kingdom United Kingdom
Bozhilov, Vladimir Veselinov Bulgaria Bulgaria
Bozic, Hrvoje Croatia, the Republic of Croatia, the Republic of
Bozis, George Greece Greece
Bozkurt, Zeynep Turkey Turkey
Bozzo, Enrico (Junior Member) Switzerland Switzerland
Braatz, James A United States United States
Bracken, Colm Patrick Ireland Ireland
Bradac, Marusa United States United States
Bradley, Arthur J. United States United States
Bradley, Larry United States United States
Bradley, Paul A. United States United States
Bradley, Richard F United States United States
Bradstreet, David H. United States United States
Bradt, Hale V. United States United States
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