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: 12428 (of which 1084 are Junior members). Number of Active Individual and Junior Members in the IAU Directory: 12099.


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Name▼ Location NCA adherence
Bretones, Paulo Sergio Brazil Brazil
Breus, Vitalii V. Ukraine Ukraine
Brewer, John Michael (Junior Member) United States United States
Breysacher, Jacques France France
Briand, Carine France France
Briceño, Cesar Chile United States
Brickhouse, Nancy S. United States United States
Bridges, Terry J. Canada Canada
Bridle, Alan H. United States United States
Bridle, Sarah L. United Kingdom United Kingdom
Brienza, Marisa (Junior Member) Italy Italy
Brieva, Eduardo Colombia Colombia
Briggs, Franklin Australia Australia
Brinchmann, Jarle Portugal Portugal
Brink, Jeandrew South Africa South Africa
Brinkman, Bert C. Netherlands Netherlands
Brinks, Elias United Kingdom United Kingdom
Briot, Danielle France France
Briquet, Maryline Belgium Belgium
Britt, Daniel T. United States United States
Britzen, Silke H. Germany Germany
Brocato, Enzo Italy Italy
Broderick, Avery E Canada Canada
Broderick, Jess W Australia Australia
Broderick, John United States United States
Brodie, Jean P. United States United States
Broglia, Pietro Italy Italy
Bromage, Gordon Ernest United Kingdom United Kingdom
Bromberg, Omer Israel Israel
Bronfman, Leonardo Chile Chile
Brooke, John M. United Kingdom United Kingdom
Brooks, Kate J. Australia Australia
Brooks, Randall C. Canada Canada
Brosch, Noah Israel Israel
Brosche, Peter Germany Germany
Brosius, Jeffrey William United States United States
Brotherton, Michael United States United States
Brough, Sarah Australia Australia
Brouillet, Nathalie France France
Brouty, Marianne France France
Brouw, Willem N. Netherlands Netherlands
Brown, Alexander United States United States
Brown, Anthony G.A. Netherlands Netherlands
Brown, David A Vatican City State Vatican City State
Brown, Duncan A United States United States
Brown, Jo-Anne Catherine Canada Canada
Brown, Michael James Isles Australia Australia
Brown, Peter Gordon Canada Canada
Brown, Peter J United States United States
Brown, Robert Hamilton United States United States
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