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.

Total number of IAU Individual and Junior members: 11843 (of which 719 Junior members). Number of Active Individual and Junior Members in the IAU Directory: 11588.


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Name▼ Location NCA adherence
Bailer-Jones, Coryn A.L. Germany Germany
Bailes, Matthew Australia Australia
Bailey, Katherine Elizabeth United States United States
Bailey, Mark Edward United Kingdom United Kingdom
Bailin, Jeremy United States United States
BAILLIE, Kevin France France
Bailyn, Charles D. United States United States
Baines, Ellyn K. United States United States
Baird, Scott R. United States United States
Bajkova, Anisa T. Russian Federation Russian Federation
Bajtlik, Stanisław Poland Poland
Baker, Andrew J. United States United States
Baker, Deborah United Kingdom United Kingdom
Baker, Joanne C. United Kingdom United Kingdom
Baker, John G United States United States
Bakhtigaraev, Nail S. Russian Federation Russian Federation
Baki, Paul Kenya AA-Country unknown
BAKIS, Hicran Turkey Turkey
Bakker, Eric Johan Netherlands Netherlands
Baklanova, Dilyara (Junior Member) Russian Federation Russian Federation
Bąk-Stęślicka, Urszula Poland Poland
Balaguer-Nunez, Lola Spain Spain
Balanca, Christian France France
Balaram, Dhanya Mahalingam (Junior Member) India India
Balasis, Georgios Greece Greece
Balasubramaniam, K. S. United States United States
Balasubramanian, V. India India
Balasubramanyam, Ramesh India India
Balázs, Bela A. Hungary Hungary
Balazs, Lajos G. Hungary Hungary
Balbi, Amedeo Italy Italy
Balbinot, Eduardo (Junior Member) Netherlands Netherlands
Balbus, Steven A. United Kingdom United States
Balcells, Marc Spain Spain
Saavedra, Carla Austria Austria
Baldry, Ivan K. United Kingdom United Kingdom
Baldwin, Jack A. United States United States
Balega, Yurij Yu Russian Federation Russian Federation
Balick, Bruce United States United States
Balikhin, Michael United Kingdom United Kingdom
Baliyan, Kiran Singh India India
Balkowski, Chantal France France
Ball, Warrick Heinz United Kingdom United Kingdom
Balland, Christophe France France
Ballereau, Dominique France France
Ballester, Jose Luis Spain Spain
Ballester, Pascal Germany Germany
Ballesteros-Paredes, Javier Mexico Mexico
Ballot, Jérôme France France
Bally, John United States United States
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