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
Brady, Patrick Richard United States United States
Braes, Lucien L.E. Belgium Belgium
Braga, João Brazil Brazil
Braga da Costa Campos, L. M. Portugal Portugal
Bragaglia, Angela Italy Italy
Braga Ribas, Felipe Brazil Brazil
Braiding, Catherine R Australia Australia
Braine, Jonathan France France
Braithwaite, Jonathan Germany Germany
Brajša, Roman Croatia, the Republic of Croatia, the Republic of
Brammer, Gabriel Barnes Denmark United States
Branchesi, Marica Italy Italy
Brand, Jan Italy Italy
Brand, Peter J.W.L United Kingdom United Kingdom
Brandão, Isa M. Portugal Portugal
Brandeker, Alexis Sweden Sweden
Brandenburg, Axel Sweden Sweden
Brandi, Elisande E. Argentina Argentina
Brandl, Bernhard R. Netherlands Netherlands
Brandner, Wolfgang Germany Germany
Brandt, John C. United States United States
Brandt, Soeren K. Denmark Denmark
Brandt, William Nielsen United States United States
Branduardi-Raymont, Graziella United Kingdom United Kingdom
Branscomb, L. M. United States United States
Brassard, Pierre Canada Canada
Bratsolis, Emmanuel Greece Greece
Braun, Douglas Clifford United States United States
Braun, Robert United Kingdom Australia
Bravo, Eduardo Spain Spain
Bravo-Alfaro, Hector Mexico Mexico
Bray, Evan (Junior Member) United States United States
Bray, Justin United Kingdom United Kingdom
Brazhenko, Anatolii Ivanovich Ukraine Ukraine
Brecher, Aviva United States United States
Brecher, Kenneth United States United States
Breckinridge, James B. United States United States
Breda, Iris Pereira (Junior Member) Portugal Portugal
Breger, Michel United States United States
Bregman, Joel N. United States United States
Breiter, Sławomir Poland Poland
Breitschwerdt, Dieter Germany Germany
Brekke, Pål O.L. Norway Norway
Bremer, Malcolm N. United Kingdom United Kingdom
Brenneman, Laura W United States United States
Brentjens, Michiel A Netherlands Netherlands
Brescia, Massimo Italy Italy
Bresolin, Fabio United States United States
Bressan, Alessandro Italy Italy
Breton, Rene United Kingdom United Kingdom
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